Loading...
HomeMy WebLinkAbout2006-05-16; City Council; 18568; NPDES Stormwater Update California Coastal CommI vD OO C O•H O05 O PX O s cfl occfl "O O 01o •HOC o o< oo CITY OF CARLSBAD - AGENDA BILL AB# 18.568 MTG. 5/16/06 DEPT. PLN TITLE: NPDES STORMWATER UPDATE CALIFORNIA COASTAL COMMISSION SUGGESTED MODIFICATIONS ZCA 01-08(A)/LCPA 01-15(A) RECOMMENDED ACTION: That the City Council INTRODUCE Ordinance No. NS-801 APPROVING Zone Code Amendment ZCA 01 -08(A) and ADOPT Resolution No. 2006-130 APPROVING Local Coastal Program Amendment LCPA 01-15(A)) to ACCEPT and ADMINISTER the California Coastal Commission's suggested modifications. ITEM EXPLANATION: The purpose of this agenda bill is to request City Council approval of suggested modifications to the Local Coastal Program Amendment (LCPA 01-15), previously approved by the City Council, as required by the California Coastal Commission as part of its approval of the LCPA. On February 21, 2001, the San Diego Regional Water Quality Control Board (RWQCB) adopted National Pollutant Discharge Elimination System (NPDES) Permit (Order No. 2001-01). This Regional Storm Water Permit applies to all 18 San Diego cities (including Carlsbad), the County of San Diego, and the Port District, and mandates improved water quality within the San Diego area through the implementation of new/revised storm water protection policies, procedures, standards and ordinances to reduce discharges of pollutants and runoff flow resulting from existing and new development. Compliance with this Regional Permit required amendments to Carlsbad's Zoning Ordinance and Local Coastal Program.o00ICO On February 19, 2002, the City Council approved a Zone Code Amendment (ZCA 01-08) and Local Coastal Program Amendment (LCPA 01-15) to comply with the above-noted NPDES Permit. Since the Zoning Ordinance serves as the implementing ordinance in the City's Coastal Zone, approval of a Local Coastal Program Amendment is not final until approved by the California Coastal Commission. Coastal Commission Modifications At its February 9, 2006 hearing, the Coastal Commission approved the City's Local Coastal Program Amendment, LCPA 01-15, subject to modifications that generally: (1) add existing Carlsbad General Plan storm water protection policies into the City's Local Coastal Plans and (2) incorporate specific water quality standards into the Coastal Zone chapters of the City's Zoning Ordinance. Carlsbad is one of the first coastal cities in San Diego County to have their Clean Water regulations approved by the California Coastal Commission. The storm water regulations will require that all new development within the City include mitigation measures to reduce the flow rate and velocity of storm water runoff and the associated urban pollutants, soil erosion and sedimentation. As a part of this LCPA, the Coastal Commission agreed to delete the City's existing prohibition on winter grading activities in the Coastal Zone. Staff is recommending approval of the suggested modifications proposed by the Coastal Commission. In order for the amendment to become effective, the City must accept the modifications, the acceptance must be reported to the Coastal Commission and then the City must incorporate them into the appropriate segments of the Local Coastal Program, as well as other applicable City implementing plans and ordinances. The suggested modifications take the form of a Zone Code Amendment (ZCA 01-08(A)) and a Local Coastal Program Amendment (LCPA 01-15(A)). The Coastal Commission's suggested modifications are attached in a highlight/strikeout format as Attachments "A" and "B" to the City Council Ordinance and Resolution respectively. I PAGE 2 ENVIRONMENTAL: The Planning Director filed a Notice of Exemption for the original project because it is a regulatory action instituting policies, standards, requirements and procedures for the protection of the environment (Section 15308 of CEQA). This Exemption remains adequate to address the Coastal Commission suggested modifications, as they would not result in any new, potentially significant environmental effects. FISCAL IMPACT: The fiscal impact of this action is limited to the City's processing costs of the Coastal Commission's suggested modifications which are nominal and do not create budget issues. Fiscal impacts associated with implementing the revised ordinances and Coastal Zone storm water protection policies have already been considered with the City Council approval of February, 2002; those impacts are not increased nor modified by adoption of the Coastal Commission's suggested modifications. EXHIBITS: 1. City Council Ordinance No. NS-801 (Suggested Modifications to ZCA) 2. City Council Resolution No. 2006-130 (Suggested Modifications to LCPA) DEPARTMENT CONTACT: Chris DeCerbo (760) 602-4611, cdece@ci.carlsbad.ca.us 1 ORDINANCE NO. NS-801 2 AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF CARLSBAD, CALIFORNIA AMENDING VARIOUS SECTIONS OF 3 CHAPTERS 21.203 AND 21.205 OF TITLE 21 OF THE CARLSBAD MUNICIPAL CODE TO IMPLEMENT NEW STORM- 4 WATER PROTECTION REQUIREMENTS OF THE SAN DIEGO REGIONAL WATER QUALITY CONTROL BOARD SAN DIEGO 5 MUNICIPAL STORMWATER ORDER NO. 2001-01 INCORPORATING THE CALIFORNIA COASTAL 6 COMMISSION'S SUGGESTED MODIFICATIONS. CASE NAME: NPDES STORMWATER UPDATE 7 • CASE NO.: ZCA01-08(A) 8 The City Council of the City of Carlsbad, California, does ordain as follows: 9 WHEREAS, the Planning Commission on January 2, 2002, held a duly noticed 10 public hearing as prescribed by law to consider Zone Code Amendment ZCA 01-08 and Local 11 Coastal Program Amendment LCPA 01-15 and adopted Planning Commission Resolution Nos. 12 5130 and 5131 recommending to the City Council that they be approved; and 13 WHEREAS, the City Council on February 19, 2002, held a duly noticed public 14 hearing as prescribed by law to consider said ZCA and LCPA and adopted City Council !5 Resolution No.2002-061 and Ordinance NS-622 to approve the amendments; and 16 WHEREAS, the California Coastal Commission on February 9, 2006, held a duly 17 noticed public hearing as prescribed by law to consider an amendment to the Local Coastal 10 Program and acted to certify the amendment with suggested modifications. A strikeout/highlight 1Q version is attached as Attachment "A". 20 The City Council of the City of Carlsbad, California does hereby resolve as 21 follows: 22 SECTION 1: That Title 21, Chapter 21.203 of the Carlsbad Municipal Code is 23 amended by the amendment of Section 21.203.040(B)(3) to read as follows: 24 3. Areas West of I-5. For areas west of the existing Paseo del Norte, west of Interstate 5 and 25 along El Camino Real immediately upstream of the existing storm drains, the following policy shall apply: 26 a- All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with: (1) 27 the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, and as amended, and the Master 28 Drainage Plan dated 1994, as those documents are certified as part of the City's LCP; (2) the City's Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County 3 1 Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP, and (3) the additional requirements contained herein. Such mitigation shall become 2 an element of the project, and shall be installed prior to the initial grading. b. In addition, the following standards shall apply: 3 i. Priority projects identified in the SUSMP will incorporate structural Best Management Practices (BMP's) and submit a Water Quality Technical Report as 4 specified in the National Pollutant Discharge Elimination System (NPDES) permit and in the SUSMP. ii. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice Handbook, dated January 2003, or the current version of 7 that publication, and designed to infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. 8 iii. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, 9 adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 10 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. 11 iv. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. 12 v. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. 13 vi. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. vii. Projects within 200-feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. viii. Although residential developments of less than 10 units, including single 19 family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing 20 standard, if they are in, within 200-feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer 21 showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. 22 ix. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather 23 flow, if they are within 200-feet of an ESA, coastal bluffs or rocky intertidal areas. c. Mitigation shall require construction of all improvements shown in the master 24 drainage plan and any amendments to them for the area between the project site and the lagoon (including the debris basin), as well as revegetation of graded areas immediately after 25 grading; and a mechanism for permanent maintenance if the city declines to accept the responsibility. Construction of drainage improvements may be through formation of an assessment district, or through any similar arrangement that allocates costs among the various landowners in an equitable manner.27 28 SECTION 2: That Title 21, Chapter 21.203 of the Carlsbad Municipal Code is amended by the amendment of Section 21.203.040(6)(4) to read as follows: 4. All Other Areas in the Coastal Zone. a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with: (1) the requirements of the City's Grading Ordinance, Stormwater Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003 and as amended, and the Master Drainage Plan dated 1994, as those documents are certified as part of the City's LCP; (2) the City's Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP and (3) the additional requirements contained herein. Such mitigation shall become an element of the project and shall be installed prior to the initial grading. b. In addition, the following standards shall apply: i. Priority projects identified in the SUSMP will incorporate structural Best Management Practices (BMP's) and submit a Water Quality Technical Report as specified in the National Pollutant Discharge Elimination System (NPDES) permit and in the SUSMP. 11 ii. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater 12 Best Management Practice Handbook, dated January 2003, or the current version of that publication, and designed to infiltrate, filter or treat the runoff produced from each 13 storm event up to and including the 85th percentile 24-hour storm event. Priority projects will include projects increasing impervious area by more 14 than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the 15 City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the 16 SUSMP. iv. The City shall include requirements in all coastal development permit 17 approvals to inspect and maintain required BMP's for the life of the project. v. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. 19 vi. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas 20 (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil 21 stabilization BMP's on disturbed areas as soon as feasible. vii. Projects within 200-feet of the Pacific Ocean shall be dealt with as 22 "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they 23 create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. 24 viii. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, 25 they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200-feet of, or discharging directly to an ESA, including 26 the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry 27 weather nuisance flows, to the maximum extent practicable. 28 -3- 1 ix. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather 2 flow, if they are within 200-feet of an ESA, coastal bluffs or rocky intertidal areas. c. Mitigation shall also require construction of all improvements shown in the master 3 drainage plan and amendments to it. No subsequent amendments are a part of this zone unless certified by the Coastal Commission. The general provisions, procedures, standards, content of 4 plans and implementation contained with them are required conditions of development in addition to the provisions below. Approved development shall include the following conditions, 5 in addition to the requirements specified above: i. All offsite, downstream improvements (including debris basin and any other improvements recommended in the drainage plan) shall be constructed prior to the 7 issuance of a grading permit onsite. Improvements shall be inspected by city or county staff and certified as adequate and in compliance with the requirements of the drainage „ plan and the additional requirements of this zone. If the city or county declines to accept maintenance responsibility for the improvements, the developer shall maintain the improvements during construction of the onsite improvements. ii. If the offsite or onsite improvements are not to be accepted and 1Q maintained by a public agency, detailed maintenance agreements including provisions for financing the maintenance through bonding or other acceptable means shall be secured prior to issuance of the permit. Maintenance shall be addressed in the report required to be submitted with the permit application. The report shall discuss 12 maintenance costs and such costs shall be certified as a best effort at obtaining accurate figures. 13 iii. Construction of offsite grading improvements may use an assessment district or any other acceptable manner of financing. Such mechanisms shall be secured 14 by bonding or other acceptable means prior to issuance of a coastal development permit. 15 iv. If a public agency agrees to accept maintenance responsibilities, it shall inspect the facilities prior to onsite construction or grading and indicate if such facilities 16 assure continued maintenance. No onsite development may take place prior to acceptance of the drainage improvements. *' VT All areas disturbed by grading shall be planted within sixty days of initial disturbance and prior to October 1st with temporary or permanent (in the case of finished slopes) erosion control methods. vi. Storm drainage facilities in developed areas shall be improved and enlarged according to the Carlsbad master drainage plan, incorporating the changes 20 specified in this Section. Improvement districts shall be formed for presently undeveloped areas which are expected to urbanize in the future. The improvement districts shall implement the master drainage plan. Upstream areas in the coastal zone shall not be permitted to develop incrementally prior to installation of the storm drain 22 facilities downstream, in order to assure protection of coastal resources. New drainage facilities, required within the improvement districts shall be financed either by some form 23 of bond or from fees collected from developers on a cost-per-acre basis. vii. When earth changes are required and natural vegetation is removed, the 24 area and duration of exposure shall be kept at a minimum. viii. Soil erosion control practices shall be used against "onsite" soil erosion. 25 These include keeping soil covered with temporary or permanent vegetation or with mulch materials, special grading procedures, diversion structures to divert surface runoff 26 from exposed soils, and grade stabilization structures to control surface water. ix. Apply "sediment control" practices as a perimeter protection to prevent 27 offsite drainage. Preventing sediment from leaving the site should be accomplished by 28 -4- 1 such methods as diversion ditches, sediment traps, vegetative filters, and sediment basins. Preventing erosion is, of course, the most efficient way to control sediment 2 runoff. d. In addition the following shall apply to development within Kelly Ranch: 3 New development and significant redevelopment of private and publicly-owned properties, must incorporate design elements and/or best management practices (BMPs) which will effectively 4 prevent runoff contamination, and minimize runoff volume from the site in the developed condition, to the greatest extent feasible. At a minimum, the following specific requirements 5 shall be applied to development of type and/or intensity listed below: Residential Development. Development plans for, or which include, residential housing 6 development with greater than ten housing units shall include a drainage and pollution runoff control plan prepared by a licensed engineer, designed to infiltrate, filter or treat the volume of 7 runoff produced from each and every storm event up to and including the eighty-fifth percentile twenty-four hour runoff event, prior to conveying runoff in excess of this standard to the 8 stormwater conveyance system. The plan shall be reviewed and approved by the consulting soils engineer or engineering geologist to ensure the plan is in conformance with their 9 recommendations. The plan shall be designed in consideration of the following criteria, and approved prior to issuance of a coastal development permit: 10 i. Maximize the percentage of permeable surfaces and green space to allow more percolation of runoff into the ground and/or design site with the capacity to 11 convey or store peak runoff from a storm and release it at a slow rate so as to minimize the peak discharge into storm drains or receiving water bodies; ii. Use porous materials for or near walkways and driveways where feasible; iii. Incorporate design elements which will serve to reduce directly connected impervious area where feasible. Options include the use of alternative design features such as concrete grid driveways, and/or pavers for walkways. iv. Runoff from driveways, streets and other impervious surfaces shall be collected and directed through a system of vegetated and/or gravel filter strips or other 15 media devices, where feasible. Selected filter elements shall be designed to (1) trap sediment, particulates and other solids and (2) remove or mitigate contaminates through 16 infiltration and/or biological uptake. The drainage system shall also be designed to convey and discharge runoff from the building site in a non-erosive manner. 17 v. Selected BMPs shall be engineered and constructed in accordance with the design specifications and guidance contained in the California Stormwater Best Management Practices Handbook (Municipal). vi. The plan must include provisions for regular inspection and maintenance of structural BMPs, for the life of the project. Parking Lots. Development plans for, or which include parking lots greater than five thousand square feet in size and/or with twenty-five or more parking spaces, susceptible to stormwater, shall incorporate BMPs effective at removing or mitigating potential pollutants of concern such as oil, grease, hydrocarbons, heavy metals, and particulates from stormwater leaving the 22 developed site, prior to such runoff entering the stormwater conveyance system, or any receiving water body. Options to meet this requirement include the use of vegetative filter strips or other media filter devices, clarifiers, grassy swales or berms, vacuum devices or a combination of these. Selected BMPs shall be designed to collectively infiltrate, filter or treat the volume of runoff produced by each and every storm event up to and including the eighty-fifth percentile twenty-four-hour runoff event. BMPs shall be engineered and constructed in accordance with the guidance and specifications provided in the California Stormwater Best Management Handbooks (Commercial and Industrial). All Development. A public education program shall be designed to raise the level of awareness of water quality issues around the lagoon including such elements as catch basin stenciling and 27 public awareness signs. 28 -5- 1 A landscape management plan shall be created that includes herbicide/pesticide management. Such measures shall be incorporated into project design through a water quality/urban runoff 2 control plan and monitoring program to ensure the discharge from all proposed outlets is consistent with local and regional standards. Such measures shall be required as a condition of 3 coastal development permit approval at the subdivision stage. C. Landslides and Slope Instability. Developments within five hundred feet of areas 4 identified generally in the PRC Toups report, Figure 8, as containing soils of the La Jolla group (susceptible to accelerated erosion) or landslide prone areas shall be required to submit 5 additional geologic reports containing the additional information required in the coastal shoreline development overlay zone. 6 D. Seismic Hazards. Development in liquefaction-prone areas shall include site-specific investigations done addressing the liquefaction problem and suggesting mitigation measures. 7 New residential development in excess of four units, commercial, industrial, and public facilities shall have site-specific geologic investigations completed in known potential liquefaction areas. 8 E. Floodplain Development. Within the coastal zone, in the one hundred-year floodplain, no new or expanded permanent structures or fill shall be permitted. Only uses 9 compatible with periodic flooding shall be allowed. F. Reserved. 10 G. Within the Kelly Ranch, scenic public views from Interstate 5, Cannon Road and Agua Hedionda Lagoon shall be preserved, as feasible, through the following measures: 1. Landscaping and Setbacks. Use of trees or fire-retardant vegetation with substantial height as a landscape screen and/or setbacks from the ridgelines and open space 12 areas; 2. Building Colors. Exterior wall and roof colors shall be of low-intensity earth or 13 vegetative tones. Stucco with accent materials such as tile, natural stone, or other compatible natural building materials shall be preferred. Roof colors shall be low-intensity colors which blend with the environmental setting of the project; 3. Residential Building Height. Maximum height limits and variation in roof heights shall be utilized, as necessary, to minimize visibility of structures from scenic public roadways, public vista points and public trails. H. Within the Kelly Ranch, landscaping shall be utilized as a visual buffer and be compatible with the surrounding native vegetation and preserved open space by incorporation *' of the following measures: 1. All residential development shall be required to identify and implement a landscaping plan that provides for installation of plant species that are native or noninvasive and drought tolerant to the maximum extent feasible. Ornamental (noninvasive) vegetation shall be permitted in the interior of residential subdivisions only; 2ft 2. Approved landscaping shall be installed immediately upon completion of construction and maintained by the property owners in good growing condition for the life of the development; 3. Landscape screening of structures, including specimen trees and fire- 22 retardant vegetation of substantial height, shall be required to screen and soften the view of structures from I-5, Cannon Road, Agua Hedionda Lagoon, public trails and public vista points; 4. The landscape treatment shall cause the development to blend in with the natural setting and present a visually cohesive appearance as viewed from Agua Hedionda 24 Lagoon, Cannon Road and Interstate 5. 25 SECTION 3: That Title 21, Chapter 21.205 of the Carlsbad Municipal Code is amended by the amendment of Section 21.205.060 to read as follows: 27 21.205.060 Erosion sedimentation, drainage. 28 -6- 1 a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with: (1) 2 the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003 and as amended, and the Master 3 Drainage Plan dated 1994, as those documents are certified as part of the City's LCP; (2) the City's Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County 4 Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP, and (3) the additional requirements contained herein. Such mitigation shall become 5 an element of the project and shall be installed prior to the initial grading. b. In addition, the following standards shall apply: 6 i. Priority projects identified in the SUSMP will incorporate structural Best Management Practices (BMP's) and submit a Water Quality Technical Report as specified in the National Pollutant Discharge Elimination System (NPDES) permit and in the SUSMP. ii. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice Handbook, dated January 2003 or the current version of that publication, and designed to infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. 11 iii. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, 12 adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 13 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. 14 iv. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. 15 v. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. vi. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas17 (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. vii. Projects within 200-feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as 2Q defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. viii. Although residential developments of less than 10 units, including single 22 family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing 23 standard, if they are in, within 200-feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer 24 showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. 25 ix. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather 26 flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. c. Mitigation shall also require construction of all improvements shown in the master 27 drainage plan and amendments to it. No subsequent amendments are a part of this zone 28 1 unless certified by the Coastal Commission. The general provisions, procedures, standards, content of plans and implementation contained in them are required conditions of development 2 in addition to the provisions below. Approved development shall include the following conditions, in addition to the requirements specified above: 3 i. All offsite, downstream improvements (including debris basin and any other improvements recommended in the drainage plan) shall be constructed prior to the 4 issuance of a grading permit onsite. Improvements shall be inspected by city staff and certified as adequate and in compliance with the requirements of the drainage plan and the additional requirements of this zone. If the city declines to accept maintenance responsibility for the improvements, the developer shall maintain the improvements 6 during construction of the onsite improvements. . If the offsite or onsite improvements are not to be accepted and maintained by a public agency, detailed maintenance agreements including provisions „ for financing the maintenance through bonding or other acceptable means shall be secured prior to issuance of the permit. Maintenance shall be addressed in the report required to be submitted with the permit application. The report shall discuss maintenance costs and such costs shall be certified as a best effort at obtaining accurate figures. iii. Construction of offsite drainage improvements may use an assessment district or any other acceptable manner. Such mechanisms shall be secured by bonding or other acceptable means prior to issuance of a coastal development permit. 12 iv. If a public agency agrees to accept maintenance responsibilities, it shall inspect the facilities prior to onsite construction or grading and indicate if such facilities 13 assure continued maintenance. No onsite development may take place prior to acceptance of the drainage improvements. 14 v. All areas disturbed by grading shall be planted within sixty days of the initial disturbance and prior to October 1st with temporary or permanent (in the case of 15 finished slopes) erosion control methods. The use of temporary erosion control measures, such as berms, interceptor ditches, sandbagging, filtered inlets, debris basins 16 and silt traps, shall be utilized in conjunction with plantings to minimize soil loss from the construction site. Said planting shall be accomplished under the supervision of a 17 licensed landscape architect, and shall consist of seeding, mulching, fertilization and irrigation adequate to provide ninety percent coverage within ninety days. Planting shall be repeated if the required level of coverage is not established. This requirement shall apply to all disturbed soils including stockpiles. This requirement shall be a condition of the permit. 20 /// 21 /// 22 /// 23 /// 24 /// 25 /// 26 /// 27 /// 28 -8- 1 EFFECTIVE DATE: This ordinance shall be effective thirty days after its 2 adoption, and the City Clerk shall certify to the adoption of this ordinance and cause it to be 3 published at least once in a publication of general circulation in the City of Carlsbad within 4 fifteen days after its adoption. (Not withstanding the preceding, this ordinance shall not be 5 effective within the City's Coastal Zone until approved by the California Coastal Commission.) 6 INTRODUCED AND FIRST READ at a regular meeting of the Carlsbad City 7 Council on the 16th __ day of May , 2006, and thereafter. 8 PASSED AND ADOPTED at a regular meeting of the City Council of the City of 9 Carlsbad on the day of , 2006, by the following vote, to 10 wit: 11 AYES: 12 NOES: 13 ABSENT: 14 ABSTAIN: 15 16 APPROVED AS TO FORM AND LEGALITY 17 18 RONALD R. BALL, City Attorney 19 20 24 21 CLAUDE A. LEWIS, Mayor 22^ ATTEST: 23 LORRAINE M. WOOD, City Clerk 25" 26 <SEAL> 27 28 Attachment "A" ZCA01-08(A) COASTAL COMMISSION SUGGESTED MODIFICATIONS (bolded sections represent language to be added, strikeout sections represent language to be deleted) SECTION 1: That Title 21, Chapter 21.203 of the Carlsbad Municipal Code is amended by the amendment of Section 21.203.040(B)(3) to read as follows: 3. Areas West of I-5. For areas west of the existing Paseo del Norte, west of Interstate 5 and along El Camino Real immediately upstream of the existing storm drains, the following policy shall apply: a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with: (1) the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003 and as amended, Jurisdictional Urban Runoff Management Program (JURMP), and the Master Drainage Plan dated 1994, as those documents are certified as part of the City's LCP; (2) the City's Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP and (3) the additional requirements contained herein, any amendments to thorn. Such mitigation shall become an element of the project, and shall be installed prior to the initial grading. b. In addition, the following standards shall apply: i. Priority projects identified in the SUSMP will incorporate structural Best Management Practices (BMP's) and submit a Water Quality Technical Report as specified in the National Pollutant Discharge Elimination System (NPDES) permit and in the SUSMP. ii. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice Handbook, dated January 2003, or the current version of that publication, and designed to infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24- hour storm event. iii. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. iv. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. v. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. vi. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. vii. Projects within 200-feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. viii. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. ix. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200-feet of an ESA, coastal bluffs or rocky intertidal areas. c. Mitigation shall require construction of all improvements shown in the master drainage plan and any amendments to them for the area between the project site and the lagoon (including the debris basin), as well as revegetation of graded areas immediately after grading; and a mechanism for permanent maintenance if the city declines to accept the responsibility. Construction of drainage improvements may be through formation of an assessment district, or through any similar arrangement that allocates costs among the various landowners in an equitable manner. SECTION 2: That Title 21, Chapter 21.203 of the Carlsbad Municipal Code is amended by the amendment of Section 21.203.040(B)(4) to read as follows: 4. All Other Areas in the Coastal Zone. a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with: (1) the requirements of the City's Grading Ordinance, Stormwater Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003 and as amended, Jurisdictional Urban Runoff Management Program (JURMP), and the Master Drainage Plan dated 1994, as those documents are certified as part of the City's LCP; (2) the City's Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP and (3) the additional requirements contained herein, and amendments to thorn and the additional requirements enumerated in this Code Soction. b. In addition, the following standards shall apply: i. Priority projects identified in the SUSMP will incorporate structural Best Management Practices (BMP's) and submit a Water Quality Technical Report as specified in the National Pollutant Discharge Elimination System (NPDES) permit and in the SUSMP. ii. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice Handbook, dated January 2003 or the current version of that publication, and designed to infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24- hour storm event. iii. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan 13 (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. iv. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. v. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. vi. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. vii. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. viii. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. ix. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. c. Mitigation shall also require construction of all improvements shown in the master drainage plan and amendments to it. No subsequent amendments are a part of this zone unless certified by the Coastal Commission. The general provisions, procedures, standards, content of plans and implementation contained with them are required conditions of development in addition to the provisions below. Approved development shall include the following conditions, in addition to the requirements specified above: ai. All offsite, downstream improvements (including debris basin and any other improvements recommended in the drainage plan) shall be constructed prior to the issuance of a grading permit onsite. Improvements shall be inspected by city or county staff and certified as adequate and in compliance with the requirements of the drainage plan and the additional requirements of this zone. If the city or county declines to accept maintenance responsibility for the improvements, the developer shall maintain the improvements during construction of the onsite improvements. bii. If the offsite or onsite improvements are not to be accepted and maintained by a public agency, detailed maintenance agreements including provisions for financing the maintenance through bonding or other acceptable means shall be secured prior to issuance of the permit. Maintenance shall be addressed in the report required to be submitted with the permit application. The report shall discuss maintenance costs and such costs shall be certified as a best effort at obtaining accurate figures. eiii Construction of offsite grading improvements may use an assessment district or any other acceptable manner of financing. Such mechanisms shall be secured by bonding or other acceptable means prior to issuance of a coastal development permit. div If a public agency agrees to accept maintenance responsibilities, it shall inspect the facilities prior to onsite construction or grading and indicate if such facilities assure continued maintenance. No onsite development may take place prior to acceptance of the drainage improvements. ev All areas disturbed by grading shall be planted within sixty days of initial disturbance and prior to October 1st with temporary or permanent (in the case of finished slopes) erosion control methods. fvi Storm drainage facilities in developed areas shall be improved and enlarged according to the Carlsbad master drainage plan, incorporating the changes specified in this Section. Improvement districts shall be formed for presently undeveloped areas which are expected to urbanize in the future. The improvement districts shall implement the master drainage plan. Upstream areas in the coastal zone shall not be permitted to develop incrementally prior to installation of the storm drain facilities downstream, in order to assure protection of coastal resources. New drainage facilities, required within the improvement districts shall be financed either by some form of bond or from fees collected from developers on a cost-per-acre basis. §vii When earth changes are required and natural vegetation is removed, the area and duration of exposure shall be kept at a minimum. bviii Soil erosion control practices shall be used against "onsite" soil erosion. These include keeping soil covered with temporary or permanent vegetation or with mulch materials, special grading procedures, diversion structures to divert surface runoff from exposed soils, and grade stabilization structures to control surface water. Jix Apply "sediment control" practices as a perimeter protection to prevent offsite drainage. Preventing sediment from leaving the site should be accomplished by such methods as diversion ditches, sediment traps, vegetative filters, and sediment basins. Preventing erosion is, of course, the most efficient way to control sediment runoff. d. In addition the following shall apply to development within Kelly Ranch: New development and significant redevelopment of private and publicly-owned properties, must incorporate design elements and/or best management practices (BMPs) which will effectively prevent runoff contamination, and minimize runoff volume from the site in the developed condition, to the greatest extent feasible. At a minimum, the following specific requirements shall be applied to development of type and/or intensity listed below: Residential Development. Development plans for, or which include, residential housing development with greater than ten housing units shall include a drainage and pollution runoff control plan prepared by a licensed engineer, designed to infiltrate, filter or treat the volume of runoff produced from each and every storm event up to and including the eighty-fifth percentile twenty-four hour runoff event, prior to conveying runoff in excess of this standard to the stormwater conveyance system. The plan shall be reviewed and approved by the consulting soils engineer or engineering geologist to ensure the plan is in conformance with their recommendations. The plan shall be designed in consideration of the following criteria, and approved prior to issuance of a coastal development permit: i. Maximize the percentage of permeable surfaces and green space to allow more percolation of runoff into the ground and/or design site with the capacity to convey or store peak runoff from a storm and release it at a slow rate so as to minimize the peak discharge into storm drains or receiving water bodies; ii. Use porous materials for or near walkways and driveways where feasible; iii. Incorporate design elements which will serve to reduce directly connected impervious area where feasible. Options include the use of alternative design features such as concrete grid driveways, and/or pavers for walkways. iv. Runoff from driveways, streets and other impervious surfaces shall be collected and directed through a system of vegetated and/or gravel filter strips or other media devices, where feasible. Selected filter elements shall be designed to (1) trap sediment, particulates and other solids and (2) remove or mitigate contaminates through infiltration and/or biological uptake. The drainage system shall also be designed to convey and discharge runoff from the building site in a non-erosive manner. v. Selected BMPs shall be engineered and constructed in accordance with the design specifications and guidance contained in the California Stormwater Best Management Practices Handbook (Municipal). vi. The plan must include provisions for regular inspection and maintenance of structural BMPs, for the life of the project. Parking Lots. Development plans for, or which include parking lots greater than five thousand square feet in size and/or with twenty-five or more parking spaces, susceptible to stormwater, shall incorporate BMPs effective at removing or mitigating potential pollutants of concern such as oil, grease, hydrocarbons, heavy metals, and particulates from stormwater leaving the developed site, prior to such runoff entering the stormwater conveyance system, or any receiving water body. Options to meet this requirement include the use of vegetative filter strips or other media filter devices, clarifiers, grassy swales or berms, vacuum devices or a combination of these. Selected BMPs shall be designed to collectively infiltrate, filter or treat the volume of runoff produced by each and every storm event up to and including the eighty-fifth percentile twenty-four-hour runoff event. BMPs shall be engineered and constructed in accordance with the guidance and specifications provided in the California Stormwater Best Management Handbooks (Commercial and Industrial). All Development. A public education program shall be designed to raise the level of awareness of water quality issues around the lagoon including such elements as catch basin stenciling and public awareness signs. A landscape management plan shall be created that includes herbicide/pesticide management. Such measures shall be incorporated into project design through a water quality/urban runoff control plan and monitoring program to ensure the discharge from all proposed outlets is consistent with local and regional standards. Such measures shall be required as a condition of coastal development permit approval at the subdivision stage. C. Landslides and Slope Instability. Developments within five hundred feet of areas identified generally in the PRC Toups report, Figure 8, as containing soils of the La Jolla group (susceptible to accelerated erosion) or landslide prone areas shall be required to submit additional geologic reports containing the additional information required in the coastal shoreline development overlay zone. D. Seismic Hazards. Development in liquefaction-prone areas shall include site-specific investigations done addressing the liquefaction problem and suggesting mitigation measures. New residential development in excess of four units, commercial, industrial, and public facilities shall have site-specific geologic investigations completed in known potential liquefaction areas. E. Floodplain Development. Within the coastal zone, in the one hundred-year floodplain, no new or expanded permanent structures or fill shall be permitted. Only uses compatible with periodic flooding shall be allowed. F. Reserved. G. Within the Kelly Ranch, scenic public views from Interstate 5, Cannon Road and Agua Hedionda Lagoon shall be preserved, as feasible, through the following measures: 1. Landscaping and Setbacks. Use of trees or fire-retardant vegetation with substantial height as a landscape screen and/or setbacks from the ridgelines and open space areas; 2. Building Colors. Exterior wall and roof colors shall be of low-intensity earth or vegetative tones. Stucco with accent materials such as tile, natural stone, or other compatible natural building materials shall be preferred. Roof colors shall be low-intensity colors which blend with the environmental setting of the project; 3. Residential Building Height. Maximum height limits and variation in roof heights shall be utilized, as necessary, to minimize visibility of structures from scenic public roadways, public vista points and public trails. H. Within the Kelly Ranch, landscaping shall be utilized as a visual buffer and be compatible with the surrounding native vegetation and preserved open space by incorporation of the following measures: 1. All residential development shall be required to identify and implement a landscaping plan that provides for installation of plant species that are native or noninvasive and drought tolerant to the maximum extent feasible. Ornamental (noninvasive) vegetation shall be permitted in the interior of residential subdivisions only; 2. Approved landscaping shall be installed immediately upon completion of construction and maintained by the property owners in good growing condition for the life of the development; 3. Landscape screening of structures, including specimen trees and fire- retardant vegetation of substantial height, shall be required to screen and soften the view of structures from 1-5, Cannon Road, Agua Hedionda Lagoon, public trails and public vista points; 4. The landscape treatment shall cause the development to blend in with the natural setting and present a visually cohesive appearance as viewed from Agua Hedionda Lagoon, Cannon Road and Interstate 5. SECTION 3: That Title 21, Chapter 21.205 of the Carlsbad Municipal Code is amended by the amendment of Section 21.205.060 to read as follows: 21.205.060 Erosion sedimentation, drainage. a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with: (1) the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003 and as amended, Jurisdictional Urban Runoff Managomont Program (JURMP), and the Master Drainage Plan dated 1994, as those documents are certified as part of the City's LCP; (2) the City's Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP and (3) the additional requirements contained herein, and the additional requirements enumerated in this Section. b. In addition, the following standards shall apply: i. Priority projects identified in the SUSMP will incorporate structural Best Management Practices (BMP's) and submit a Water Quality Technical Report as specified in the National Pollutant Discharge Elimination System (NPDES) permit and in the SUSMP. ii. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice Handbook, dated January 2003 or the current version of that publication, and designed to infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24- hour storm event. iii. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. iv. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. v. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. vi. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. vii. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. viii. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. ix. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. c. Mitigation shall also require construction of all improvements shown in the master drainage plan and amendments to it. No subsequent amendments are a part of this zone unless certified by the Coastal Commission. The general provisions, procedures, standards, content of plans and implementation contained in them are required conditions of development in addition to the provisions below. Approved development shall include the following conditions, in addition to the requirements specified above: i. All offsite, downstream improvements (including debris basin and any other improvements recommended in the drainage plan) shall be constructed prior to the issuance of a grading permit onsite. Improvements shall be inspected by city staff and certified as adequate and in compliance with the requirements of the drainage plan and the additional requirements of this zone. If the city declines to accept maintenance responsibility for the improvements, the developer shall maintain the improvements during construction of the onsite improvements. ii. If the offsite or onsite improvements are not to be accepted and maintained by a public agency, detailed maintenance agreements including provisions for financing the maintenance through bonding or other acceptable means shall be secured prior to issuance of the permit. Maintenance shall be addressed in the report required to be submitted with the permit application. The report shall discuss maintenance costs and such costs shall be certified as a best effort at obtaining accurate figures. iii. Construction of offsite drainage improvements may use an assessment district or any other acceptable manner. Such mechanisms shall be secured by bonding or other acceptable means prior to issuance of a coastal development permit. iv. If a public agency agrees to accept maintenance responsibilities, it shall inspect the facilities prior to onsite construction or grading and indicate if such facilities assure continued maintenance. No onsite development may take place prior to acceptance of the drainage improvements. v. All areas disturbed by grading shall be planted within sixty days of the initial disturbance and prior to October 1st with temporary or permanent (in the case of finished slopes) erosion control methods. The use of temporary erosion control measures, such as berms, interceptor ditches, sandbagging, filtered inlets, debris basins and silt traps, shall be utilized in conjunction with plantings to minimize soil loss from the construction site. Said planting shall be accomplished under the supervision of a licensed landscape architect, and shall consist of seeding, mulching, fertilization and irrigation adequate to provide ninety percent coverage within ninety days. Planting shall be repeated if the required level of coverage is not established. This requirement shall apply to all disturbed soils including stockpiles. This requirement shall be a condition of the permit. 1 RESOLUTION NO. 2006-130 2 A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF CARLSBAD, CALIFORNIA, APPROVING A LOCAL COASTAL 3 PROGRAM AMENDMENT, TO ACKNOWLEDGE AND ADOPT THE CALIFORNIA COASTAL COMMISSION'S SUGGESTED 4 MODIFICATIONS FOR LCPA 01-15. CASE NAME: NPDES STORMWATER UPDATE 5 CASE NO.: LCPA01-15(A) 6 The City Council of the City of Carlsbad, California, does hereby resolve as 7 follows: 8 WHEREAS, the Planning Commission on January 2, 2002, held a duly noticed 9 public hearing as prescribed by law to consider Zone Code Amendment ZCA 01-08 and Local 10 Coastal Program Amendment LCPA 01-15 and adopted Planning Commission Resolutions No. 11 5130 and 5131 recommending to the City Council that they be approved; and 12 WHEREAS, the City Council on February 19, 2002, held a duly noticed public 13 hearing as prescribed by law to consider said ZCA and LCPA and adopted City Council 14 Resolution No.2002-061 and Ordinance NS-622 to approve the amendments; and 15 WHEREAS, the California Coastal Commission on February 9, 2006, held a duly 16 noticed public hearing as prescribed by law to consider an amendment to the Local Coastal 17 Program and acted to certify the amendment with suggested modifications. 18 WHEREAS, the City Council on the 16th day of May t 2006, i g (1) acknowledged receipt of the Coastal Commission's resolution of certification, including the 20 suggested modifications, and (2) held a duly noticed public hearing as prescribed by law to 21 consider the suggested modifications, which constitute an amendment to the Local Coastal 22 Program and the Zoning Ordinance. 23 WHEREAS, acceptance of the California Coastal Commission's suggested 24 modifications, as set forth in this resolution, is necessary to comply with the California Coastal 25 Act; ^)f\ The City Council of the City of Carlsbad, California does hereby resolve as 27 follows: 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1.That the above recitations are true and correct. 2. That the suggested modifications will meet the requirements and conform with the policies of Chapter 3 (commencing with Section 30200) of the California Coastal Act to the extent necessary to achieve the basic state goals specified in Section 30001.5 of the Coastal Act. 3. That approval of the suggested modifications is necessary to maintain consistency between the City's Zoning Ordinance and the Local Coastal Program. 4. That the suggested modifications to Local Coastal Program Amendment LCPA 01-15, are approved as shown in Attachment "B" on file in the Planning Department and attached hereto. 5. That staff is directed to initiate all actions required to satisfy and implement the suggested modifications to LCPA 01-15. PASSED AND ADOPTED at a regular meeting of the City Council of the City of Carlsbad on the 16th day of May 2006, by the following vote, to wit: AYES: Council Members Lewis, Hall, Kulchin, Packard, Sigafoose NOES: None ABSENT: None CLAD ATTEST: LORRAINE M. WOOD, City Clerk (SEAL) -2- Land Use - Mello I Chapter II-l Attachment "B" LCPA 01-15(A) COASTAL COMMISSION SUGGESTED MODIFICATIONS (bolded sections represent language to be added, strikeout sections represent language to be deleted) II-l Mello I Segment - Land Use Policies (AB 462) (Now PRC 30170) Certified 9/80 Amended 10/85 1. Standard Pacific Policy 3 - Drainage, Erosion Control a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the additional requirements contained herein. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. A site specific report prepared by a qualified professional shall be required to provide the necessary mitigation for increased runoff and sedimentation. The report shall be subject to the requirements of the Model Erosion Control Ordinance contained in the Appendix to the June 1980 Carlsbad Master Drainage Plan and the additional requirements contained herein. Such mitigation shall become an element of the project and shall be installed prior to the initial grading. At a minimum, such mitigation shall require construction of all improvements shown in the Master Drainage Plan between the project site and the lagoon (including the debris basin), restriction of grading activities to the months of April through September, revegetation of all graded areas immediately after grading, and mechanism for permanent maintenance if the City declines to accept the responsibility. Construction of drainage improvements may be through formation of an assessment district or through any similar arrangement that allots costs among the various landowners in an equitable manner. b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. Land Use - Mello I Chapter II-l c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off-site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. Land Use - Mello I Chapter II-l g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to =33 Land Use - Mello I Chapter II-l be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. 2. Occidental Land Inc. Policy 2 - Drainage, Erosion Control In the event of commercial and/or residential development pursuant to a Coastal Development Permit, a site specific report prepared by a qualified professional shall be required to provide tho necessary mitigation for increased runoff and sedimentation. The report shall be subject to the requirements of the Model Erosion Control Ordinance contained in the Appendix to the June 1980 Carlsbad Master Drainage Plan and the additional requirements contained herein. Such mitigation shall become an element of the project and shall be installed prior to initial grading. At a minimum, such mitigation shall require construction of all improvements shown in the Master Drainage Plan between the project site and the lagoon, restriction of grading activities to the months of April through September, revegetation of all graded areas immediately after grading, and a mechanism for permanent maintenance if the City declines to accept responsibility. The offsite drainage improvements shall be reimbursable to Occidental by use of assessment districts, development agreements or other appropriate means acceptable to the City. a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the additional requirements contained herein. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. Such mitigation shall become an element of the project and shall be installed prior to initial grading. Mitigation shall also require construction of all improvements shown in the Master Drainage Plan and amendments thereto between the project site and the lagoon (including the debris basin), revegetation of all graded areas immediately after grading, and a mechanism for permanent maintenance if the City declines to accept Land Use - Mello I Chapter II-l responsibility. The offsite drainage improvements shall be reimbursable to Occidental by use of assessment districts, development agreements or other appropriate means acceptable to the City. b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. Land Use - Mello I Chapter II-l 8. Incorporate roof or awning covers over trash storage areas to prevent off-site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or Land Use - Mello I Chapter II-l discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. 3. Rancho La Costa (Hunt Property) Policy 3 - Drainage and Erosion Control (6) a. A site specific technical report shall be required addressing the cumulative effects of developing each subwatershed and recommending measures to mitigate both increased runoff and sedimentation.—It shall be reviewed and prepared according to the Model Erosion Control Ordinance contained in the Master Drainage Plan All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, with the additions and changes adopted herein, such that a natural drainage system is generally preserved for the eastern undeveloped watersheds, but that storm drains are allowed for those western portions of the watershed which have already been incrementally developed. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements =37 Land Use - Mello I Chapter II-l are not inconsistent with any policies of the LCP. b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: i. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. ii. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. iii. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. iv. Provide development-free buffer zones for natural water bodies. v. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. vi. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. vii. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. viii.Incorporate roof or awning covers over trash storage areas to prevent off-site transport of trash and other pollutants from entering the storm water conveyance system. Land Use - Mello I Chapter II-l ix. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. x. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. Land Use - Mello I Chapter II-1 n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. (7) Mitigation measures tailored to project impacts and consistent with the control of cumulative development shall be implemented prior to development in accordance with the following additional criteria: (a) Submittal of a runoff control plan designed by a licensed engineer qualified in hydrology and hydraulics, which would assure no increase in peak runoff rate from the developed site over the greatest discharge expected from the existing undeveloped site as a result of a 10-year frequency storm. Runoff control shall be accomplished by a variety of measures, including, but not limited to, onsite catchment basins, detention basins, siltation traps and energy dissipators and shall not be concentrated in one area or a few locations. (b) Detailed maintenance arrangements and various alternatives for providing the ongoing repair and maintenance of any approved drainage and erosion control facilities. (c) All permanent runoff and erosion control devices shall be developed and installed prior to or concurrent with any onsite grading activities. (d) All grading activities shall be prohibited within the period from October 1st to March 31st of each year. (e) All areas disturbed by grading, but not completed during the construction period, including graded pads, shall be planted and stabilized prior to Land Use - Mello I Chapter II-l October 1st with temporary or permanent (in the case of finished slopes) erosion control measures and native vegetation. The use of temporary erosion control measures, such as berms, interceptor ditches, sandbagging, filtered inlets, debris basins and silt traps, shall be utilized in conjunction with plantings to minimize soil loss from the construction site. Said planting shall be accomplished under the supervision of a licensed landscaped architect and shall consist of seeding, mulching, fertilization and irrigation adequate to provide 90 percent coverage within 90 days. Planting shall be repeated, if the required level of coverage is not established. This requirement shall apply to all disturbed soils, including stockpiles. 31 Land Use - Mello I Chapter II-l II-2 MELLO II POLICY 3-4 GRADING, AND LANDSCAPING REQUIREMENTS In addition to the requirements of the model grading ordinance in the Carlsbad Master Drainage Plan, permitted new development shall also comply with the following requirements: a. Grading activity areas shall be prohibited during the rainy season:—from October l^-te April 1st of each year. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the following additional requirements. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. b. All graded areas shall be landscaped prior to October 1st of each year with either temporary or permanent landscaping materials, to reduce erosion potential. Such landscaping shall be maintained and replanted if not well-established by December 1st following the initial planting. c. The October 1st grading season deadline may be extended with the approval of the City Engineer subject to implementation by October 1st of special erosion control measures designed to prohibit discharge of sediments off site during and after the grading operation. Extension beyond November 15th may be allowed in areas of very low risk of impact to sensitive coastal resources and may be approved either as part of the original coastal development permit or as an amendment to on existing coastal development permit. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. d. If any of the responsible resource agencies prohibit grading operations during the summer grading period in order to protect endangered or rare species or sensitive environmental resources, then grading activities may be allowed during the winter by a coastal development permit or permit amendment, provided that appropriate best management practices (BMPs) are incorporated to limit potential adverse impacts from winter grading activities. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. Land Use - Mello I Chapter 11-1 e. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. f. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off- site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. g. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. h. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. i. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. 33 Land Use - Mello I Chapter II-l j. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. k. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. 1. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. m. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. n. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. o. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. p. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. q. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is Land Use - Mello I Chapter II-1 necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. POLICY 3-5 KELLY POINT/MACARIO CANYON AREA (i) Water Quality: a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the following additional requirements. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. All new development, substantial rehabilitation, redevelopment or related activity, shall be designed and conducted in compliance with all applicable local ordinances including Chapter 15.12 of the Carlsbad Municipal Code Stormwater Management and Discharge Control Ordinance, the Standard Specifications for Public Works Construction when performing public work, and applicable provisions of the NPDES General Permit for Storm Water Discharges Associated with Construction Activity issued by the State Water Resources Control Board (State Board Order No. 92 08 DWQ), and any subsequent amendments, and the San Diego NPDES Municipal Storm Water Permit issued to San Diego County and cities by the California Regional Water Quality Control Board (Regional Board Order No. 90 42) and any amendment, revision or re issuance thereof. b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: Land Use - Mello I Chapter II-l 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off- site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. Land Use - Mello I Chapter II-l k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. POLICY 4-1 COASTAL EROSION I. Development Along Shoreline Land Use - Mello I Chapter II-l a. For all new development along the shoreline, including additions to existing development, a site-specific geologic investigation and analysis similar to that required by the Coastal Commission's Geologic Stability and Bluff top Guidelines shall be required; for permitted development, this report must demonstrate bluff stability for 75 years, or the expected lifetime of the structure, whichever is greater. Additionally, permitted development shall incorporate, where feasible, sub-drainage systems to remove groundwater from the bluffs, and shall use drought-resistant vegetation in landscaping. A waiver of public liability shall be required for any permitted development for which an assurance of structural stability cannot be provided. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the following additional requirements. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 38 Land Use - Mello I Chapter II-l 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off- site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. Land Use - Mello I Chapter II-l m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. II. Beach Sand Erosion Pursue mitigation measures which address the causes of beach sand erosion; sand dredging and use of the Longard Tube to reduce wave energy are two such measures which have been suggested. The City should continue to participate in the Regional Coastal Erosion Committee's studies of the causes and cures for shoreline erosion. III. Shoreline Structures Revetments, breakwaters, groins, harbor channels, seawalls, cliff retaining walls, and other such construction that alters natural shoreline processes shall be permitted with required to serve coastal- dependent uses or to protect existing structures or public beaches in danger from erosion, and when designed to eliminate or mitigate adverse impacts on local shoreline sand supply. As a condition of coastal development permit approval, permitted shoreline structures may be required to replenish the beach with imported sand. Provisions for the maintenance of any permitted seawalls shall be included as a condition of project approval. 4o Land Use - Mello I Chapter II-1 Projects which create spoils shall be required to deposit such spoils on the beaches if the material is suitable for sand replenishment. IV. Undevelopable Shoreline Features No development shall be permitted on any sand or rock beach or on the face of any ocean bluff, with the exception of accessways to provide public beach access and of limited public recreation facilities. POLICY 4-2 LANDSLIDES AND SLOPE INSTABILITY The soil investigations now required as part of the land subdivision process are adequate to identify with specificity areas of landslide and instability. However, these investigations will need to be particularly thorough in those areas with La Jolla Group soils which have been identified for potential future development. Currently, soils investigations are only required for subdivisions. In the future, any development proposed for areas known to be prone to landslide shall include a geologic investigation identifying appropriate mitigation measures, and such geologic report shall be substantially as has been required by the Coastal Commission's Geologic Stability and Blufftop Development Guidelines. POLICY 4-3 ACCELERATED SOIL EROSION Areas West of 1-5 and the Existing Paseo del Norte and Along El Camino Real Upstream of Existing Storm Drains For areas west of the existing Paseo del Norte, west of Interstate 5 and along El Camino Real immediately upstream of the existing storm drains, the following policy shall apply: a. A site specific report prepared by a qualified professional shall be required for all proposed development, identifying mitigation measures needed to avoid increased runoff and soil erosion. The report shall be subject to the model erosion control ordinance contained in the Appendix to the Carlsbad Master Drainage Plan (June 1986), and to the additional requirements contained herein. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the additional requirements contained herein. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. Such mitigation shall become an element of the project and shall be installed prior to the initial grading. Mitigation shall also require construction of all improvements shown in the Master Drainage Plan and amendments thereto between the project site and the lagoon (including the debris basin), revegetation of all graded areas immediately after grading, and mechanism for permanent maintenance if the City declines to accept the responsibility. Construction of drainage improvements may be through formation of an assessment district or through any similar arrangement that allots costs among the various landowners in an equitable manner. 41 Land Use - Mello I Chapter II-l b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off- site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. Land Use - Mello I Chapter II-1 g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or Land Use - Mello I _ Chapter II-l categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. (b) All Other Areas O - Required Runoff Control Plan: No development shall be permitted except pursuant to submittal of a runoff control plan prepared by a licensed engineer qualified in hydrology and hydraulics; such approved plans shall assure that there would be no increase in peak runoff rate from the developed site over the greatest discharge expected from the existing undeveloped site as a result of a 10 year frequency storm. Runoff control shall be accomplished by a variety of measures, including, but not limited to, onsite catchment basins, detention basins, siltation traps, and energy dissipators, and shall not be concentrated in one area. (3) Drainage and Erosion Control a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the additional requirements contained herein. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and Land Use - Mello I Chapter II-l pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off- site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. Land Use - Mello I Chapter II-l i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall Land Use - Mello I Chapter II-1 contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. POLICY 4-5 SOIL EROSION CONTROL PRACTICES a. Soil erosion control practices shall be used against "onsite" soil erosion. These include keeping soil covered with temporary or permanent vegetation or with mulch materials, special grading procedures, diversion structures to divert surface runoff from exposed soils, and grade stabilization structures to control surface water. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the following additional requirements. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. Land Use - Mello I Chapter II-l 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off-site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. Land Use - Mello I Chapter II-l m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. POLICY 4-6 "SEDIMENT CONTROL" PRACTICES a. Apply "sediment control" practices as a perimeter protection to prevent off-site drainage. Preventing sediment from leaving the site should be accomplished by such methods as diversion ditches, sediment traps, vegetative filters, and sediment basins. Preventing erosion is of course the most efficient way to control sediment runoff. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the following additional requirements. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best Land Use - Mello I Chapter II-1 management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off-site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. Land Use - Mello I Chapter II-1 h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. Land Use - Mello I Chapter II-1 p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. II-3. WEST BATIQUITOS LAGOON/SAMMIS PROPERTIES LAND USE Background: Local Coastal Program Amendment West Batiquitos Lagoon Segment C. GRADING AND EROSION CONTROL a. Because the area is located close to environmentally sensitive habitats, all development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the following additional requirements. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. development shall conform to the following grading and erosion standards: b. Drainage and runoff shall be controlled so as not to exceed the capacity of the downstream drainage facilities or to produce erosive velocities and appropriate measures shall be taken on and/or off the site to prevent the siltation of the Batiquitos Lagoon and other environmentally sensitive areas. 2r.—Grading activity shall be prohibited during the rainy season from October 1st to April 1st of any year. Grading during this period may occur with the approval of both the City Engineer and the California Coastal Commission. c.3. All graded areas shall be hydroseeded prior to October 1st with either temporary or permanent materials. Landscaping shall be maintained and replanted if not established by December 1st. c. 4r Grading plans shall indicate staking or fencing of open space areas during construction and shall specifically prohibit running or parking earth-moving equipment, stockpiling or earthwork material, or other disturbances within the open space areas. d. 5.Any necessary temporary or permanent erosion control devices required for the development of a specific planning area, such as desilting basins, shall be developed and installed prior to any on, or off, site grading activities within the specific planning area requiring the mitigation, or, concurrent with the grading, provided all devices required for that planning area are installed and operating prior to October 1st, and installation is assured through bonding or Land Use - Mello I Chapter II-1 other acceptable means. e. 6.The developer must provide for the long-term maintenance of drainage improvements and erosion control devices. f. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. g. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. h. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. i. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off-site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. Land Use - Mello I Chapter II-l j. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. k. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. 1. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. m. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. n. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. o. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. p. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. q. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. r. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. s. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: Land Use - Mello I Chapter 11-1 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. t. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. Land Use - Mello I Chapter II-l II-4. East Batiquitos Lagoon / Hunt Properties B. Land Use Policies 4. Grading, Drainage and Erosion Control (1) Batiquitos Lagoon is the primary coastal resource within the subject area and warrants stringent controls on upstream development activities. Downstream impacts of possible erosion and sedimentation due to development must be limited to insignificant levels. Many slope areas on the property contain sensitive vegetation and support a variety of wildlife species. Slope areas also pose possible geologic hazards and require close development review. (3) Under the Master Plan requirements, any development shall conform to the following additional standards: (f) A site specific technical report shall be required addressing the cumulative effects of developing each—sub watershed—and—recommending—measures—te—mitigate—beth—increased—runoff and sedimentation. It shall be reviewed and prepared according to the Model Erosion Control Ordinance contained in the Master Drainage Plan, with the additions and changes adopted herein. (g) Mitigation measures tailored to project impacts and consistent with the control of cumulative development shall be implemented prior to development in accordance with the following additional criteria: 1) Submittal of a runoff control plan designated by a licensed engineer qualified in hydrology and hydraulics, which would assure no increase in peak runoff rate from the developed site over the greatest discharge expected from the existing undeveloped site as a result of a 10 year frequency storm. Runoff control shall be accomplished by a variety of measures, including, but not limited to, onsite catchment basins, detention basins, siltation traps, and energy dissipators and shall not be concentrated in one area or a few locations. 2) Detailed maintenance arrangements and various alternatives for providing the ongoing repair and maintenance of any approved drainage and erosion control facilities. 3) All permanent runoff and erosion control devices shall be developed and installed prior to or concurrent with any onsite grading activities. 4) All grading activities shall be prohibited within the period from October 1st to March 31st of each year. 4 §) All areas disturbed by grading, but not completed during the construction period, including graded pads, shall be planted and stabilized prior to October 1st with temporary or permanent (in the case of finished slopes) erosion control measures and native vegetation. The use of temporary erosion control measures, such as berms, interceptor ditches, sandbagging, filtered inlets, debris basins, and silt traps shall be utilized in conjunction with plantings to minimize soil loss from the construction site. Said plantings shall be accomplished under the supervision of a licensed landscape architect and shall consist of seeding, mulching, fertilization, and irrigation adequate to provide 90% coverage within 90 days. Planning shall be Land Use - Mello I Chapter II-l repeated, if the required level of coverage is not established. This requirement shall apply to all disturbed soils, including stockpiles. 5) All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the following additional requirements. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. 6) Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. 7) Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. 8) Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. 9) Development projects should be designed to comply with the following site design principles: a. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. b. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. c. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. d. Provide development-free buffer zones for natural water bodies. e. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. f. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. Land Use - Mello I Chapter II-1 g. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. h. Incorporate roof or awning covers over trash storage areas to prevent off- site transport of trash and other pollutants from entering the storm water conveyance system. i. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. j. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. 10. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. 11. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event. 12. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. 13. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. 14. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. 15. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 16. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. 17. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Land Use - Mello I Chapter ll-l Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. 18. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. 19. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: a. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). b. Addition of new development categories as Priority Projects. c. Addition of new coastal waters to the map of Environmentally Sensitive Areas. d. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. 20. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. Land Use - Mello I Chapter II-1 Agua HediondaLand Use Plan 4.1 All grading and land alteration activities shall be subject to the requirements of the Carlsbad Grading and Excavation Ordinance and the provisions of the Master Drainage Plan. 4.1 a. All development must include mitigation measures for the control of urban runoff flow rates and velocities, urban pollutants, erosion and sedimentation in accordance with the requirements of the City's Grading Ordinance, Storm Water Ordinance, Standard Urban Storm Water Mitigation Plan (SUSMP), Master Drainage Plan, and the following additional requirements. The SUSMP, dated April 2003 and as amended, and the Master Drainage Plan (1994) are hereby incorporated into the LCP by reference. Development must also comply with the requirements of the Jurisdictional Urban Runoff Management Program (JURMP) and the San Diego County Hydrology Manual to the extent that these requirements are not inconsistent with any policies of the LCP. b. Prior to making land use decisions, the City shall utilize methods available to estimate increases in pollutant loads and flows resulting from proposed future development. The City shall require developments to incorporate structural and non-structural best management practices (BMP's) to mitigate the projected increases in pollutant loads and minimize any increases in peak runoff rate. c. Water pollution prevention methods shall be implemented to the maximum extent practicable, and supplemented by pollutant source controls and treatment. Small collection strategies located at, or as close as possible to, the source (i.e., the point where water initially meets the ground) to minimize the transport of urban runoff and pollutants offsite and into a municipal separate storm sewer system (MS4) shall be utilized. d. Post-development runoff from a site shall not contain pollutant loads which cause or contribute to an exceedance of receiving water quality objectives or which have not been reduced to the maximum extent practicable. e. Development projects should be designed to comply with the following site design principles: 1. Protect slopes and channels to decrease the potential for slopes and/or channels from eroding and impacting storm water runoff. 2. To the extent practicable, cluster development on the least environmentally sensitive portions of a site while leaving the remaining land in a natural undisturbed condition. 3. Preserve, and where possible, create or restore areas that provide important water quality benefits, such as riparian corridors, wetlands and buffer zones. Land acquisition of such areas shall be encouraged. 4. Provide development-free buffer zones for natural water bodies. 5. Minimize the amount of impervious surfaces and directly connected impervious surfaces in areas of new development and redevelopment. 6. Where feasible implement site design/landscape features to slow runoff and maximize on-site infiltration of runoff. Land Use - Mello I Chapter II-l 7. Properly design outdoor material storage areas (including the use of roof or awning covers) to minimize the opportunity for toxic compounds, oil and grease, heavy metals, nutrients, suspended solids and other pollutants from entering the storm water conveyance system. 8. Incorporate roof or awning covers over trash storage areas to prevent off- site transport of trash and other pollutants from entering the storm water conveyance system. 9. Limit disturbances of natural water bodies and natural drainage systems caused by development including roads, highways and bridges. 10. Design streets and circulation systems to reduce pollutants associated with vehicles and traffic resulting from development. f. Priority projects identified in the SUSMP will incorporate structural BMP's and submit a Water Quality Technical Report as specified in the NPDES permit and in the SUSMP. g. Structural BMP's used to meet SUSMP requirements for priority projects shall be based on the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice (BMP) Handbook, dated January 2003 or the current version of that publication, and designed to meet, infiltrate, filter or treat the runoff produced from each storm event up to and including the 85th percentile 24-hour storm event h. Priority projects will include projects increasing impervious area by more than 2,500 square feet or by more than 10% of existing impervious area, that are in, adjacent to or drain directly to Environmentally Sensitive Areas (ESA), identified in the City of Carlsbad Standard Urban Storm Water Mitigation Plan (SUSMP) dated April 2003, using the definitions of "adjacent to" and "draining directly to" that are found in the SUSMP. i. The City shall include requirements in all coastal development permit approvals to inspect and maintain required BMP's for the life of the project. j. The City will encourage and support public outreach and education regarding the potential water quality impacts of development. k. Development shall minimize land disturbance activities during construction (e.g., clearing, grading and cut-and-fill), especially in erosive areas (including steep slopes, unstable areas and erosive soils), to minimize impacts on water quality of excessive erosion and sedimentation. Development shall incorporate soil stabilization BMP's on disturbed areas as soon as feasible. 1. Projects within 200 feet of the Pacific Ocean shall be dealt with as "Projects Discharging to Receiving Waters within Environmentally Sensitive Areas" as defined in Appendix I of the SUSMP, including being treated as a priority project if they create more than 2,500 square feet of impermeable surface or increase the impermeable surface on the property by more than 10%. m. Although residential developments of less than 10 units, including single family residences, are generally exempt from the SUSMP priority project requirements, they shall meet those requirements, including achievement of the numerical sizing standard, if they are in, within 200 feet of, or discharging directly to an ESA, including the Pacific Land Use - Mello I Chapter II-l Ocean; or shall provide a written report signed by a licensed civil engineer showing that as the project is designed they are mitigating polluted runoff, including dry weather nuisance flows, to the maximum extent practicable. n. Detached residential homes shall be required to use efficient irrigation systems and landscape designs or other methods to minimize or eliminate dry weather flow, if they are within 200 feet of an ESA, coastal bluffs or rocky intertidal areas. o. The following minor revisions may occur to the Carlsbad SUSMP Storm Water Standards dated April 2003 without an LCP amendment: 1. Addition of new Best Management Practices (BMP's) found to be more protective of water quality than current BMP's or removal of BMP's found to be ineffective. (This does not include removal of BMP's or categories of BMP's on the basis that the City finds them to be infeasible of impractical). 2. Addition of new development categories as Priority Projects. 3. Addition of new coastal waters to the map of Environmentally Sensitive Areas. 4. Reductions in the area of impervious surfaces used to designate a specific category of Priority Project. p. Any minor changes made pursuant to the above list shall be accompanied by a finding that the changes will improve and better protect coastal water quality. The City Engineer or Planning Director shall notify the Executive Director in writing of any of the above listed changes. For any changes not included in the above list, the City shall contact the Executive Director to determine whether an LCP amendment is necessary, and if necessary, shall subsequently apply for an LCP amendment for the changes. 4.2 Additionally, grading permits in the plan area shall include the following mitigation measures: •—Coordination of grading activities with the local precipitation pattern; grading restricted during rainy season. PROOF OF PUBLICATION (2010 & 2011 C.C.P.) This space is for the County Clerk's Filing Stamp STATE OF CALIFORNIA County of San Diego I am a citizen of the United States and a resident of the County aforesaid: I am over the age of eighteen years and not a party to or interested in the above- entitled matter. I am the principal clerk of the printer of North County Times Formerly known as the Blade-Citizen and The Times-Advocate and which newspapers have been adjudicated newspapers of general circulation by the Superior Court of the County of San Diego, State of California, for the City of Oceanside and the City of Escondido, Court Decree number 171349, for the County of San Diego, that the notice of which the annexed is a printed copy (set in type not smaller than nonpariel), has been published in each regular and entire issue of said newspaper and not in any supplement thereof on the following dates, to-wit: thMay 06 ,2006 I certify (or declare) under penalty of perjury that the foregoing is true and correct. Dated at SAN MARCOS California Proof of Publication of PUBLIC HEAMMQ Those persons wishing to speaK on this proposalare cordialry Invited t? attend the public bearing,"lies of tne agenda bill witTbe available on artel If you diaflenge the Zone Code Amendment and/orLocal Coastal Program Amendment In court, you the CASE FILE: ZCA 01 -08(A)/LCPA 01 -15(A) This 08th Day of May, 2006 Signature Jane Allshouse NORTH COUNTY TIMES Legal Advertising NOTICE OF PUBLIC HEARING NOTICE IS HEREBY GIVEN that the City Council of the City of Carlsbad will hold a public hearing at the Council Chambers, 1200 Carlsbad Village Drive, Carlsbad, California, at 6:00 p.m. on Tuesday, May 16, 2006, to consider approval of a Zone Code Amendment and Local Coastal Program Amendment to incorporate the Coastal Commission suggested modifications to various sections of Chapters 21.203 and 21.205 of Title 21 of the Carlsbad Municipal Code and the city's Local Coastal Program, to implement citywide, the new stormwater protection requirements of the San Diego Municipal Stormwater Quality Control Board San Diego Municipal Stormwater Order No. 2001-01. Those persons wishing to speak on this proposal are cordially invited to attend the public hearing. Copies of the agenda bill will be available on and after May 12, 2006. If you have any questions, please call Chris DeCerbo in the Planning Department at (760) 602-4611. If you challenge the Zone Code Amendment and/or Local Coastal Program Amendment in court, you may be limited to raising only those issues you or someone else raised at the public hearing described in this notice or in written correspondence delivered to the City of Carlsbad, Attn: City Clerk, 1200 Carlsbad Village Drive, Carlsbad, CA 92008 at or prior to the public hearing. CASE FILE: ZCA 01-08(A)/LCPA 01-15(A) CASE NAME: NPDES STORMWATER UPDATE CALIFORNIA COASTAL COMMISSION SUGGESTED MODIFICATIONS PUBLISH: May 6, 2006 CITY OF CARLSBAD CITY COUNCIL Jdiii cm vi .viiiutf^v rim riiiiiuivj Use Avery® TEMPLATE 5160° www.civery.com 1-800-GO-AVERY AVERY® CARLSBAD UNIF SCHOOL DIST 6225 EL CAMINO REAL CARLSBAD CA 92011 SAN MARCOS SCHOOL DIST 1 CIVIC CENTER DR SAN MARCOS CA 92069 ENCINITAS SCHOOL DIST 101 RANCHO SANTA FE RD ENCINITAS CA 92024 SAN DIEGUITO SCHOOL DIST 701 ENCINITAS BLVD ENCINITAS CA 92024 LEUCADIA WASTE WATER DIST TIM JOCHEN 1960 LA COSTA AVE CARLSBAD CA 92009 OLIVENHAIN WATER DIST 1966OLIVENHAINRD ENCINITAS CA 92024 CITY OF ENCINITAS 505 S VULCAN AVE ENCINITAS CA 92024 CITY OF SAN MARCOS 1 CIVIC CENTER DR SAN MARCOS CA 92069-2949 CITY OF OCEANSIDE 300 NORTH COAST HWY OCEANSIDE CA 92054 CITY OF VISTA 600 EUCALYPTUS AVE VISTA CA 92084 VALLECITOS WATER DIST 201 VALLECITOS DE ORO SAN MARCOS CA 92069 I.P.U.A. SCHOOL OF PUBLIC ADMIN AND URBAN STUDIES SAN DIEGO STATE UNIVERSITY SAN DIEGO CA 92182-4505 CALIF DEPT OF FISH & GAME 4949VIEWRIDGEAVE SAN DIEGO CA 92123 REGIONAL WATER QUALITY STE 100 9174 SKY PARK CT SAN DIEGO CA 92123-4340 SD COUNTY PLANNING STEB 5201 RUFFIN RD SAN DIEGO CA 92123 LAFCO 1600 PACIFIC HWY SAN DIEGO CA 92101 U.S. FISH & WILDLIFE 6010 HIDDEN VALLEY RD CARLSBAD CA 92011 SCOTT MALLOY - BIASD STE 110 9201 SPECTRUM CENTER BLVD SAN DIEGO CA 92123-1407 AIR POLLUTION CNTRL DIST 9150 CHESAPEAKE DR SAN DIEGO CA 92123 CA COASTAL COMMISSION STE 103 7575 METROPOLITAN DR SAN DIEGO CA 92108-4402 CITY OF CARLSBAD RECREATION SANDAG STE 800 401 B STREET SAN DIEGO CA 92101 ATTN TEDANASIS SAN DIEGO COUNTY AIRPORT AUTHORITY PO BOX 82776 SAN DIEGO CA 92138-2776 CITY OF CARLSBAD PUBLIC WORKS/ENGINEERING DEPT- PROJECT ENGINEER CITY OF CARLSBAD PROJECT PLANNER CHRIS DECERBO 04/17/2006 AM3AV-OD-008-1 e ia 36ejjnoqi}ue uoissaidui| Jam and Smudge Free Printing Use Avery® TEMPLATE 5160® www.avery.com 1-800-GO-AVERY AVERY® 5160* CITY OF ENCINITAS COMM DEV DEPT 505 S VULOCAN AVE ENCINITAS CA 92024 FED AVIATION ADMIN WESTERN REG PO BOX 92007 LOS ANGELES CA BUREAU OF INDIAN AFFAIRS 2800 COTTAGE WAY SACRAMENTO CA 95825 BUSINESS, TRANS & HSG AGENCY STE 2450 980 NINTH ST SACRAMENTO CA 95814 CA COASTAL COMMISSION STE 103 7575 MTROPOLITAN DR SAN DIEGO CA 921084402 CANNEL ISLANDS NATL PARK SUPERINTENDENT'S OFFICE 1901 SPINNAKER DR SAN GUENA VENTURA CA 93001 DEPT OF DEFENSE LOS ANGELES DIST ENG PO BOX 2711 LOSANGELESCA 90053 DEPT OF ENERGY STE 400 611 RYANPLZDR ARLINGTON TX 760114005 DEPT OF ENERGY STE 350 901 MARKET ST SAN FRANCISCO CA 94103 DEPT OF FISH & GAME ENV SERV DIV PO BOX 944246 SACRAMENTO CA 942442460 DEPT OF FOOD & AGRICULTURE AGRICULTURAL RESOURSES RM100 1220 N ST SACRAMENTO CA 95814 DEPT OF FORESTRY ENV COORD PO BOX 944246 SACRAMENTO CA 942442460 DEPT OF HOUSING & URBAN DEV REG ADMIN 450 GOLDEN GATE AVE SAN FRANCISCO CA 94102 DEPT OF JUSTICE DEPT OF ATTY GEN RM700 110 WEST AST SAN DIEGO CA 92101 DEPT OF TRANSPORTATION RM 5504 1120NST SACRAMENTO CA 95814 MARINE RESOURCES REG DR & G ENV SERVICES SPR STEJ 4665 LAMPSON AVE LOS ALAMITOS CA 907205139 OFF OF PLANNING & RESEARCH OFF OF LOCAL GOV ARRAIRS PO BOX 3044 SACRAMENTO CA 958123044 SAN FRANCISCO BAY CONSERV & DEV COM STE 2600 50 CALIFORNIA ST SAN FRANCISCO CA 941114704 STATE LANDS COMMISSION STE 1005 100 HOWE AVE SACRAMENTO CA 958258202 SANDAG EXEC DIRECTOR STE 800 1STINTLPLZ401 B ST SAN DIEGO CA 92101 US BUREAU OF LAND MGMT STE RM W 2800 COTTAGE WY SACRAMENTO CA 95825 US BUREAU OF RECLAMATION MID PACIFIC REG 2800 COTTAGE WY SACRAMENTO CA 95825 US ARMY CORPS OF ENGINEER STE 702 333 MARKET ST SAN FRANCISCO CA 941052197 USDA RURAL DEVELOPMENT DEPT 4169 430 G ST DA VIS CA 95616 WATER RESOURCES CONTROL BOARD PO BOX 100 SACRAMENTO CA 95801 SDGE 8315 CENTURY PARK CT SAN DIEGO CA 92123 STATE LANDS COMMISSION STE 1 DOS 100 HOWE AVE SAN DIEGO CA 92123 COUNJTY OF SD SUPERVISOR RM335 1600 PACIFIC SAN DIEGO ca 92101 SD COUNTY PLANNING & LAND USE DEPT STE B-5 5201 RUFFIN RD SAN DIEGO CA 92123 COASTAL CONSERVANCY STE 1100 1330 BROADWAY OAKLAND CA 94612 AU1AV-OD-008-1 Jam and Smudge Free Printing Use Avery® TEMPLATE 5160® www.avery.com 1-800-GO-AVERY AVERY® 5160® US FISH & WILDLIFE SERVICES 2800 COTTAGE WAY STE W-2605 SACRAMENTO CA 958251888 ®(ms AMiAV-OD-008-l apideu 36eij3es e ;e aBejjnoqiiue uotssajduii NPDESNPDESStorm Water Update Storm Water Update CCC Suggested ModificationsCCC Suggested Modifications„„ZCA 01ZCA 01--08(A)/LCPA 0108(A)/LCPA 01--15(A)15(A) Project BackgroundProject Background„„February 2001February 2001--RWQCB adopted RWQCB adopted NPDES municipal storm water permit NPDES municipal storm water permit (Order No. 2001(Order No. 2001--01) for San Diego 01) for San Diego County.County.„„Mandates new/revised policies and Mandates new/revised policies and ordinances to reduce pollutants in ordinances to reduce pollutants in storm water runoff. storm water runoff. ZCA 01ZCA 01--08/LCPA 0108/LCPA 01--1515Public HearingsPublic Hearings„„January 2002 Planning Commission January 2002 Planning Commission „„February 2002 City Council February 2002 City Council „„February 2006 Coastal Commission February 2006 Coastal Commission Coastal Commission Coastal Commission Suggested ModificationsSuggested Modifications„„Incorporate Incorporate existingexistingGeneral Plan General Plan storm water protection policies into storm water protection policies into the Citythe City’’s Local Coastal Plans.s Local Coastal Plans.„„Incorporate Incorporate existingexistingCity SUSMP water City SUSMP water quality standards into the Coastal quality standards into the Coastal Zone Chapters of the CityZone Chapters of the City’’s Zoning s Zoning Ordinance.Ordinance. AchievementsAchievements„„In exchange, the Coastal Commission In exchange, the Coastal Commission agreed to delete the Cityagreed to delete the City’’s existing s existing prohibition on winter grading activities prohibition on winter grading activities ––(Oct. (Oct. ––March) in the Coastal Zone. March) in the Coastal Zone. „„Carlsbad is one of the first coastal cities in Carlsbad is one of the first coastal cities in San Diego County to have their Storm San Diego County to have their Storm Water regulations approved by the Water regulations approved by the California Coastal Commission. California Coastal Commission. RecommendationRecommendation„„That the City Council introduce the That the City Council introduce the ordinance approving ZCA 01ordinance approving ZCA 01--08(A) and 08(A) and adopt the resolution approving LCPA adopt the resolution approving LCPA 0101--15(A) to accept and administer the 15(A) to accept and administer the California Coastal CommissionCalifornia Coastal Commission’’s s suggested modifications.suggested modifications.