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HomeMy WebLinkAbout1990-08-21; City Council; 10817; Encina industrial pretreatment regulationsCITQOF CARLSBAD - AGENDQpILL AB# tot sv 7 MTG. R-71-90 DEPT. FNir.. APPROVAL OF ENCINA INDUSTRIAL PRETREATMENT REGULATIONS AND AMENDMENTS TO TITLE 13 OF THE MUNICIPAL CODE RECOMMENDED ACTION: Adopt Resolution No.^fl "3 3o approving Pretreatment Regulations and Procedures for Industrial Users of the Encina Water Pollution Control Facility. i9£f amending Title 13 of the Municipal Code.Introduce Ordinance No. ITEM EXPLANATION: The Federal Environmental Protection Agency requires publicly owned sewage treatment plants such as the Encina Water Pollution Control Facility (Encina) to adopt wastewater pretreatment standards. Such standards establish specific limits for all discharges into the public sewer system. Encina has developed pretreatment regulations (Exhibit 2) to meet the federal requirements and the City Engineer has found that they satisfy City needs. Council approval of the Encina regulations and adoption of the proposed ordinance (Exhibit 3) will provide the City with regulations which are consistent with other Encina member agencies. All Encina member agencies have adopted amendments to the Basic Agreement which allow for the centralized pretreatment program which is administered by Encina. The program operates under the Encina Pretreatment Regulations and requires that member agencies co- issue industrial wastewater discharge permits with Encina. The City provides application forms, guidance and necessary information to businesses requiring the permits. Encina staff will review permit applications and inspect appropriate industrial sites. The City also collects fees, co-signs and issues the permits. FISCAL IMPACT: NONE EXHIBITS: 1. 2. Resolution No. 3. 4. Pretreatment Ordinance and Procedures for Industrial Users of the Encina Water Pollution Control Facility is on file with the City Clerk. Ordinance No. Exhibit detailing changes to Title 13. 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 RESOLUTION NO. 90-338 A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF CARLSBAD, CALIFORNIA, APPROVING PRETREATMENT REGULATIONS AND PROCEDURES FOR INDUSTRIAL USERS OF THE ENCINA WATER POLLUTION CONTROL FACILITY. WHEREAS, the City of Carlsbad is a member of the Encina Administrative Agency (EAA); and WHEREAS, the EAA is authorized to adopt industrial pretreatment regulations that comply with federal and state pretreatment regulations and to implement all aspects of such regulations, including permitting, inspection, monitoring, reporting, and enforcement activities; and WHEREAS, under the EAA's pretreatment regulations it is contemplated that industrial pretreatment permits shall be jointly issued by the City of Carlsbad and the EAA; and WHEREAS, the adoption of regulations by the City of Carlsbad which are consistent with and supplemental to those adopted by EAA is necessary and desirable; NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of Carlsbad, California, as follows: 1. That the above recitations are true and correct. 2. That Pretreatment Regulations and Procedures adopted by EAA, which is on file with the City clerk and incorporated by this reference, is approved. PASSED, APPROVED AND ADOPTED at a regular meeting of the Carlsbad City Council held on the 4th day of SePt\ 1990 by the following vote, to wit: AYES: Council Members Lewis, Larson, Mamaux and Pettine NOES: None * /7 JLMdnbeiABSENT: ATTEST: S, 'Mayor ALETHA L. RAUTENKRANZ, City Clerl (SEAL) TITLE 13 REVISIONS 13.04.010 Definitions For the purpose of this chapter title the following words and phrases shall have the meaning ascribed to them by this section: (1) City Engineer or Engineer. "City Engineer" or "Engineer" means the City Engineer of the City or his authorized representatives. (2) Department. "Department" means the Engineering Department of the City; (3) District. "District" means the City of Carlsbad unless otherwise identified; (4) Garbage. "Garbage" means the animal and vegetable waste from the handling, preparation, cooking, and dispensing of food. (5) Grease. "Grease" means any material which is extractable from an acidified sample of a waste by hexane or other designated solvent and as determined by the appropriate procedure in Standard methods. "Grease" includes fats and oils. (6) Grease Interceptor. "Grease interceptor" means a pretreatment device designed and installed to separate fats, oils and grease from wastewater. (7) Industrial waste. "Industrial waste" means solid, liquid or gaseous substances discharged or flowing from an industrial, manufacturing or commercial premises resulting from manufacturing, processing, treating, recovery or development of natural or artificial resources of whatever nature. (8) Industrial Wastewater. "Industrial wastewater" means all water-carried wastes and wastewater of the community excluding domestic wastewater and unoontaminated water; "Industrial wastewater" includes and including all wastewater from any industrial production, manufacturing, processing, commercial, agricultural, or other operation. These may also include wastes of human origin similar to domestic wastewater. (9) Joint Sewer System. "Joint sewer system" means the sewer system constructed jointly by the Vista Sanitation District, the City and the Buena Sanitation District pursuant to that certain contract entitled "Basic Agreement between Vista Sanitation District and the City of Carlsbad for the Acquisition and Construction of a Joint Sewer System" (County Contract No. 1858-2129E) and all amendments and supplements thereto and as such sewer system is specifically delineated on that certain map entitled "Map of Joint Sewer System-City of Carlsbad. Vista Sanitation District and Buena Sanitation District" on file in the office of the clerk of the board of supervisors of the Buena Sanitation District as Document No. 381247. (10) Operator "Operator" means the Encina Administrative Agency. (11) Owner. "Owner" includes a holder in fee, life tenant, executer, administrator, trustee, guardian or other fiduciary, lessee or licensee holding under any government lease or license of real property. (12) Person. "Person" means any person, firm, company, association, corporation, political subdivision, municipal corporation, district, the state, the United States of America or any department or agency of any thereof. (13) pH. "pH" means the reciprocal of the logarithm of the hydrogen ion concentration. It indicates the intensity of acidity and alkalinity on a pH scale running from 0 to 14. A pH value of 7.0, the midpoint of scale, represents neutrality. Values above 7.0 indicate alkalinity and those below 7.0 indicate acidity. (14) Premises. "Premises" means any lot, piece or parcel of land, building or establishment. (15) Sewage. "Sewage" means the waterborae wastes derived from ordinary human living -1- processes and of such character as to permit satisfactory disposal, without special treatment, into the public sewer, a private sewer, or by means of household septic tank systems and individual household aerobic units. (16) Sewer, Building or House. "Building or house sewer" means that portion of a pipe or conduit carrying sanitary sewage and/or industrial wastes from a building to the public sewer or a common sewer. (17) Sewer, Private. "Private sewer" refers to a privately owned sewer which is not directly controlled by the City. (18) Sewer, public. "Public sewer" means a Publicly Owned Treatment Works (POTW) which is owned in this instance by Encina Joint Powers and its member agencies. This definition includes any sewers that convey wastewater to the POTW plant, but does not include pipes, sewers, or other conveyances not connected to the facility providing treatment. "Public sewer" shall also include any sewers that convey wastewater to the POTW from persons outside the Cities of Carlsbad and Vista, the Vallecitios Water District, the Leucadia Water District, the Buena Sanitation District, and the Encinitas Sanitary District, who are, by contract or agreement with said Cities and/or Districts, users of the Encina Water Pollution Control Facility. (19) Sewer System. "Sewer system" means system of piping, with appurtenances, for collecting and conveying sewage from source to discharge all construction and appurtenant equipment utilized in the collection, transportation, pumping, treatment and final disposal of sewage within the district. (20) Slug. "Slug" means any discharge of water, sewage or industrial wastes which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than fifteen minutes more than five times the average twenty-four-hour concentration of flows during normal operation. (21) Standard Methods. "Standard methods" means the current edition of Standard Methods for the Examination of Water and Wastewater as published by the American Public Health Association, and Water Pollution Control Federation. (22) Suspended Solids "Suspended solids" or "SS" means solids that either float on the surface of, or are in suspension in water, sewage or other liquids; and which are largely removable by laboratory filtering and as determined by the appropriate procedure in Standard methods. (23) Toxic Substances. "Toxic substances" means any substance whether gaseous, liquid or solid, which when discharged to the sewer system in sufficient quantities may tend to interfere with any sewage treatment process, or to constitute a hazard to human beings or animals, or to inhabit aquatic life or create a hazard to recreation in the receiving waters of the effluent from the sewage treatment plan. (24) Wastewater. "Wastewater" means any liquid waste of any kind, whether treated or not, and whether animal, mineral or vegetable including sewage, agricultural, industrial and thermal wastes, which are discharged into or permitted to enter a public sewer. 13.04.050 Restrictions relating to use of public sewers (a) No person shall discharge or cause to be discharged any stormwater, surface water, groundwater, unpolluted industrial process water, roof runoff, subsurface drainage or any waters from an uncontaminated cooling system., swimming pool, decorative fountain or pond, into any public sewer or any private sewer which is connected to the public sewer without written permission in conformance with adopted regulations. (b) No person shall enter, obstruct, uncover or tamper with any portion of the public sewer, or connect to it, or dispose anything into any sewer and/or sewer manhole without the written permission of the City Engineer. -2- U. (c) No person or party shall remove or demolish any building or structures with plumbing fixtures connected directly or indirectly to the public sewer without first notifying the City Engineer of such intention. All openings in or leading to the public sewer line or lines caused by such work shall be sealed watertight and inspected by the City Engineer before being backfilled. (d) No person shall fill or backfill over, or cause to cover, or obstruct access to, any sewer manhole. (e) No person shall erect any improvements, structures, or buildings over public sewers without the written permission of the City Engineer. (f) Except as hereinafter provided in this section, no person shall discharge or cause to be discharged any of the following described substances, waters or wastes into any public sewers: (1) Liquid or vapor having a temperature higher than one hundred fifty-/0n?y degrees fahrenheit; (2) Water or waste which may contain more than-400 200 mg/1 concentration of fats, oils or grease or more than thirteen pounds of such substances per day after pretreatment by a grease interceptor, whichever is less, or containing substances which may solidify or become viscous at temperatures between thirty-two degrees and one hundred fifty degree fahrenheit: (3) Gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid or gas; (4) Toxic, noxious or malodorous liquid, solid, or gas deemed a public hazard and nuisance; (5) Garbage that has not been properly shredded to a size of one-fourth inch or less so that all particles will be carried freely under normal flow conditions in the public sewers; (6) Ashes, cinders, sand, mud, straw, shavings, metal, glass rags, feathers, tar, plastics, wood, paunch, manure, paper substances or normally dry, solid wastes capable of causing obstruction to the flow in or damage to sewers or other interference with the proper operation of the sewerage works; (7) Water or wastes having a pH lower than 5.5 or higher than 9.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the sewerage works; (8) Water or wastes containing any substance in sufficient quantity to discolor, injure, disrupt or interfere with the normal operation of any sewage treatment process, constitute a hazard to human or animal life, create a public nuisance, or significantly lower the quality of the receiving waters; (9) Water or wastes containing suspended solids of such character or quantity that unusual attention or expense is required to handle and such materials at a sewage treatment plant; (10) Any unusual volume of flow or concentration of wastes constituting "slugs" as defined in subsection (43) (21) of Section 13.04.010; (11) Radioactive wastes or isotopes of such half-life or concentration that may exceed limits establish by the City Engineer in compliance with applicable state or federal regulations; (12) Water added for the purpose of diluting wastes which would otherwise exceed applicable maximum concentration limitations; (13) Unreasonalby large amounts of dissolved solids; (14) Water or wastes continuing heavy metals 2.0 mg/1 for a twenty four hour composite sample, or 5.0 mg/1 maximum for a gray sample; and (13) Water or waste containing substances which are not amenable to treatment or reduction by the treatment process employed, or are amenable to treatment only to such degree that: 3- V-1 (A) The resulting effluent cannot meet the waste discharge requirements of the regional water quality control board or other agencies having jurisdiction over the quality and protection of the receiving waters, or (B) The resulting sludge cannot meet limits for the chosen disposal method, (g) No person shall discharge or cause to be discharged any fats and greases to the sewer system if their concentration and physical dispersion results in separation and adherence to sewer structures and appurtenances. If there is evidence of adherence of such materials to said structures, or if such materials cause blockage in the sewer system, then the wastewater carrying such materials must be effectively pretreated by a process or device to effect removal from the flow before its discharge to sewer system. Grease, oil and sand interceptors shall be provided when deemed necessary by the City Engineer for the proper handling of liquid wastes containing grease in excessive amounts, and flammable materials, sand and other harmful ingredients. All interceptors shall be of a type and capacity acceptable to the City Engineer and shall be located as to be readily accessible for cleaning and inspection: (1) Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. They shall be of substantial construction, watertight and equipped with easily removable covers which when bolted in place shall be gastight and watertight; (2) All grease, oil, and sand interceptors shall be maintained in continuously efficient operation at all times by the owner at his expenses. In the maintaining of these interceptors, the owner shall be responsible for the proper removal and disposed by appropriate means of the captured material and shall maintain records of the dates, amounts, and means of disposal which are subject to review by the City Engineer. (h) Any person who discharges or causes to be discharged into the public sewers any water or wastes having more than 300 300 mg/1 of suspended solids shall be obligated to pay a surcharge, occasioned by the extent to which such water or waste contains an excess over the foregoing limitation of concentration. (i) Where preliminary treatment facilities are provided for any wastewater as a condition of its acceptance, they shall be maintained continuously in satisfactory and effective operation by the owner at his expense. (j) When required by the City Engineer, the owner of any property served by a building sewer carrying industrial wastewater shall install monitoring and recording equipment, and a suitable control access hole in the building sewer to facilitate observation, sampling and measurement of the wastes. Such access hole shall be readily accessible and safely located, and shall be constructed in accordance with plans by the City Engineer. The access hole shall be installed and maintained by the owner at his expense. (k) All measurements, tests, analyses of the characteristics of water and wastewater to which reference is made in subsections (f), (g), and (h) of this section shall be determined in accordance with the latest edition of the American Public Health Associations, Standard Methods of Examination of Water Sewage and Industrial Wastes and shall be made at the control access hole provided for in subsection (j) of this section, or upon suitable samples taken at said control access hole. If no special access hole is available, the sampling location shall be determined by the City Engineer. (1) It shall be unlawful to install or replace any plumbing equipment, including any automatic or self regenerating water softener unit, the operation of which may result in the discharge of saline waste into the sewerage facilities in the Lake Calavera Hills Drainage Basin, or the discharge of such wastes that might pollute any surface or underground stream, watercourse, lake or any body of water, including any underground, natural or artificial storage reservoir, or which might impair or -4- contribute to the impairment of the usefulness of such waters for human or animal consumption, or domestic agricultural, industrial, or recreational purposes or for any other useful purpose. 13.16.030 13.16.020 Establishment of rules and regulations The Engineer is authorized and empowered to adopt such rules and regulations as may be deemed reasonably necessary to protect the sewer system and the joint sewer system, to control and regulate the proper use thereof and to provide for the issuance of permit; provided, however, that the terms and provision of such rules and regulations shall be promulgated in a manner best directed to result in the uniform control and use of the joint sewer system by the parties to the basic agreement referred to in Section 13.0<1.02013.04.010 or any amendments or supplements thereto, and provided further that such rules and regulations shall be not become effective until approved by the City Council, and a copy of such rules and regulation is filed with City Clerk. The more restrictive regulations shall apply in the event of any inconsistencies between Joint Sewer System regulations approved by City Council and other regulations adopted by the City of Carlsbad. 13.16.050 13.16.040 Issuance of permit Industrial waste permits shall be co-issued by the City of Carlsbad and the Encina Water Pollution Control Facility according to Carlsbad Municipal Code and Encina Water Pollution Control Facility Regulations approved by City Council and filed with the City Clerk. No permit shall be issued to any person to discharge industrial waste into the sewer system of the district or the joint sewer system if such discharge will be hazard or danger to the health or safety of any person or to the property of any person or if such discharge will result in a danger to the capacity, construction, use or property performance or utilization of the sewer system or joint sewer system or be otherwise detrimental or injurious to such systems or either of them, and unless the applicant has complied with all state, federal and local laws and with all provision of this article and with all the applicable rules and regulations adopted as provided for this chapter. 13.16.06013.16.090 Permit expiration revocation or suspension. Any permit issued in accordance with the provision of this chapter shall be valid for a period of three years specified on the permit, or if no term is specified, for one year and are not transferable unless such permit is revoked or suspended as provided in this title and in the rules and regulations adopted pursuant thereto. -5- 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 ORDINANCE NO. NS-129 AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF CARLSBAD, CALIFORNIA, AMENDING TITLE 13, CHAPTER 13.04 AND 13.16 OF THE CARLSBAD MUNICIPAL CODE BY DELETING SECTION 13.16.020 AND REVISING SECTIONS 13.04.010, 13.04.050,13.16.030,13.16.050 AND 13.16.060 TO INCORPORATE ENCINA WATER POLLUTION CONTROL FACILITY INDUSTRIAL WASTEWATER PRETREATMENT REGULATIONS AND PROCEDURES. The City Council of the City of Carlsbad, California, does ordain as follows: SECTION 1. That Title 13, Section 13.04.010 is amended to read as follows: 13.04.010 Definitions For the purpose of this title the following words and phrases shall have the meaning ascribed to them by this section: (1) City Engineer or Engineer. "City Engineer" or "Engineer" means the City Engineer of the City or his authorized representatives. (2) Department. "Department" means the Engineering Department of the City; (3) District. "District" means the City of Carlsbad unless otherwise identified; (4) Garbage. "Garbage" means the animal and vegetable waste from the handling, preparation, cooking, and dispensing of food. (5) Grease. "Grease" means any material which is extractable from an acidified sample of a waste by hexane or other designated solvent and as determined by the appropriate procedure in Standard methods. "Grease" includes fats and oils. (6) Grease Interceptor. "Grease interceptor" means a pretreatment device designed and installed to separate fats, oils and grease from wastewater. (7) Industrial waste. "Industrial waste" means solid, liquid or gaseous substances discharged or flowing from an industrial, manufacturing or commercial premises resulting from manufacturing, processing, treating, recovery or development of natural or artificial resources of whatever nature. (8) Industrial Wastewater. "Industrial wastewater" means all water-carried wastes and wastewater of the community excluding domestic wastewater and including all wastewater from any industrial production, manufacturing, processing, commercial, agricultural, or other operation. These may also include wastes of human origin similar to domestic wastewater. (9) Joint Sewer System. "Joint sewer system" means the sewer system constructed jointly by the Vista Sanitation District, the City and the Buena Sanitation District pursuant to that certain contract entitled "Basic Agreement between Vista Sanitation District and the City of Carlsbad for the Acquisition and Construction of a Joint Sewer System" (County Contract No. 1858-2129E) and all amendments and supplements thereto and as such sewer system is specifically delineated on that certain map entitled "Map of Joint Sewer System-City of Carlsbad. Vista Sanitation District and Buena Sanitation District" on file in the office of the clerk of the board of supervisors of the Buena Sanitation District as Document No. 381247. (10) Operator "Operator" means the Encina Administrative Agency. (11) Owner. "Owner" includes a holder in fee, life tenant, executer, administrator, trustee, - 1 - 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 guardian or other fiduciary, lessee or licensee holding under any government lease or license of real property. (12) Person. "Person" means any person, firm, company, association, corporation, political subdivision, municipal corporation, district, die state, the United States of America or any department or agency of any thereof. (13) pH. "pH" means the reciprocal of the logarithm of the hydrogen ion concentration. It indicates the intensity of acidity and alkalinity on a pH scale running from 0 to 14. A pH value of 7.0, the midpoint of scale, represents neutrality. Values above 7.0 indicate alkalinity and those below 7.0 indicate acidity. (14) Premises. "Premises" means any lot, piece or parcel of land, building or establishment. (15) Sewage. "Sewage" means the waterbome wastes derived from ordinary human living processes and of such character as to permit satisfactory disposal, without special treatment, into the public sewer, a private sewer, or by means of household septic tank systems and individual household aerobic units. (16) Sewer, Building or House. "Building or house sewer" means that portion of a pipe or conduit carrying sanitary sewage and/or industrial wastes from a building to the public sewer or a common sewer. (17) Sewer, Private. "Private sewer" refers to a privately owned sewer which is not directly controlled by the City. (18) Sewer, public. "Public sewer" means a Publicly Owned Treatment Works (POTW) which is owned in this instance by Encina Joint Powers and its member agencies. This definition includes any sewers that convey wastewater to the POTW plant, but does not include pipes, sewers, or other conveyances not connected to the facility providing treatment. "Public sewer" shall also include any sewers that convey wastewater to the POTW from persons outside the Cities of Carlsbad and Vista, the Vallecitios Water District, the Leucadia Water District, the Buena Sanitation District, and the Encinitas Sanitary District, who are, by contract or agreement with said Cities and/or Districts, users of the Encina Water Pollution Control Facility. (19) Sewer System. "Sewer system" means all construction and appurtenant equipment utilized in the collection, transportation, pumping, treatment and final disposal of sewage within the district. (20) Slug. "Slug" means any discharge of water, sewage or industrial wastes which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than fifteen minutes more than five times the average twenty-four-hour concentration of flows during normal operation. (21) Standard Methods. "Standard methods" means the current edition of Standard Methods for the Examination of Water and Wastewater as published by the American Public Health Association, and Water Pollution Control Federation. (22) Suspended Solids "Suspended solids" or "SS" means solids that either float on the surface of, or are in suspension in water, sewage or other liquids; and which are largely removable by laboratory filtering and as determined by the appropriate procedure in Standard methods. (23) Toxic Substances. "Toxic substances" means any substance whether gaseous, liquid or solid, which when discharged to the sewer system in sufficient quantities may tend to interfere with any sewage treatment process, or to constitute a hazard to human beings or animals, or to inhabit aquatic life or create a hazard to recreation in the receiving waters of the effluent from the sewage treatment plan. (24) Wastewater. "Wastewater" means any liquid waste of any kind, whether treated or not, and whether animal, mineral or vegetable including sewage, agricultural, industrial and thermal wastes, which are discharged into or permitted to enter a public sewer. 28 -2- 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 SECTION 2: That Title 13, Section 13.04.050 is amended to read as follows: 13.04.050 Restrictions relating to use of public sewers (a) No person shall discharge or cause to be discharged any stormwater, surface water, groundwater, unpolluted industrial process water, roof runoff, subsurface drainage or any waters from an uncontaminated cooling system., swimming pool, decorative fountain or pond, into any public sewer or any private sewer which is connected to the public sewer without written permission in conformance with adopted regulations. (b) No person shall enter, obstruct, uncover or tamper with any portion of the public sewer, or connect to it, or dispose anything into any sewer and/or sewer manhole without the written permission of the City Engineer. (c) No person or party shall remove or demolish any building or structures with plumbing fixtures connected directly or indirectly to the public sewer without first notifying the City Engineer of such intention. All openings in or leading to the public sewer line or lines caused by such work shall be sealed watertight and inspected by the City Engineer before being backfilled. (d) No person shall fill or backfill over, or cause to cover, or obstruct access to, any sewer manhole. (e) No person shall erect any improvements, structures, or buildings over public sewers without the written permission of the City Engineer. (f) Except as hereinafter provided in this-section, no person shall discharge or cause to be discharged any of the following described substances, waters or wastes into any public sewers: (1) Liquid or vapor having a temperature higher than one hundred forty degrees fahrenheit; (2) Water or waste which may contain more than 200 mg/1 concentration of fats, oils or grease or more than thirteen pounds of such substances per day after pretreatment by a grease interceptor, whichever is less, or containing substances which may solidify or become viscous at temperatures between thirty-two degrees and one hundred fifty degree fahrenheit: (3) Gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid or gas; (4) Toxic, noxious or malodorous liquid, solid, or gas deemed a public hazard and nuisance; (5) Garbage that has not been properly shredded to a size of one-fourth inch or less so that all particles will be carried freely under normal flow conditions in the public sewers; (6) Ashes, cinders, sand, mud, straw, shavings, metal, glass rags, feathers, tar, plastics, wood, paunch, manure, paper substances or normally dry, solid wastes capable of causing obstruction to the flow in or damage to sewers or other interference with the proper operation of the sewerage works; (7) Water or wastes having a pH lower than 5.5 or higher than 9.5 or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the sewerage works; (8) Water or wastes containing any substance in sufficient quantity to discolor, injure, disrupt or interfere with the normal operation of any sewage treatment process, constitute a hazard to human or animal life, create a public nuisance, or significantly lower the quality of the receiving waters; (9) Water or wastes containing suspended solids of such character or quantity that unusual attention or expense is required to handle and such materials at a sewage treatment plant; (10) Any unusual volume of flow or concentration of wastes constituting "slugs" as defined in subsection (21) of Section 13.04.010; (11) Radioactive wastes or isotopes of such half-life or concentration that may exceed limits establish by the City Engineer in compliance with applicable state or federal 28 -3- 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 regulations; (12) Water added for the purpose of diluting wastes which would otherwise exceed applicable maximum concentration limitations; (13) Water or waste containing substances which are not amenable to treatment or reduction by the treatment process employed, or are amenable to treatment only to such degree that: (A) The resulting effluent cannot meet the waste discharge requirements of the regional water quality control board or other agencies having jurisdiction over the quality and protection of the receiving waters, or (B) The resulting sludge cannot meet limits for the chosen disposal method, (g) No person shall discharge or cause to be discharged any fats and greases to the sewer system if their concentration and physical dispersion results in separation and adherence to sewer structures and appurtenances. If there is evidence of adherence of such materials to said structures, or if such materials cause blockage in the sewer system, then the wastewater carrying such materials must be effectively pretreated by a process or device to effect removal from the flow before its discharge to sewer system. Grease, oil and sand interceptors shall be provided when deemed necessary by the City Engineer for the proper handling of liquid wastes containing grease in excessive amounts, and flammable materials, sand and other harmful ingredients. All interceptors shall be of a type and capacity acceptable to the City Engineer and shall be located as to be readily accessible for cleaning and inspection: (1) Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. They shall be of substantial construction, watertight and equipped with easily removable covers which when bolted in place shall be gastight and watertight; (2) All grease, oil, and sand interceptors shall be maintained in continuously efficient operation at all times by the owner at his expenses. In the maintaining of these interceptors, the owner shall be responsible for the proper removal and disposed by appropriate means of the captured material and shall maintain records of the dates, amounts, and means of disposal which are subject to review by the City Engineer. (h) Any person who discharges or causes to be discharged into the public sewers any water or wastes having more than 300 mg/1 of suspended solids shall be obligated to pay a surcharge, occasioned by the extent to which such water or waste contains an excess over the foregoing limitation of concentration. (i) Where preliminary treatment facilities are provided for any wastewater as a condition of its acceptance, they shall be maintained continuously in satisfactory and effective operation by the owner at his expense. (j) When required by the City Engineer, the owner of any property served by a building sewer carrying industrial wastewater shall install monitoring and recording equipment, and a suitable control access hole in the building sewer to facilitate observation, sampling and measurement of the wastes. Such access hole shall be readily accessible and safely located, and shall be constructed in accordance with plans by the City Engineer. The access hole shall be installed and maintained by the owner at his expense. (k) All measurements, tests, analyses of the characteristics of water and wastewater to which reference is made in subsections (f), (g), and (h) of this section shall be determined in accordance with the latest edition of the American Public Health Associations, Standard Methods of Examination of Water Sewage and Industrial Wastes and shall be made at the control access hole provided for in subsection (j) of this section, or upon suitable samples taken at said control access hole. If no special access hole is available, the sampling location shall be determined by the City Engineer. 28 -4- 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) It shall be unlawful to install or replace any plumbing equipment, including any automatic or self regenerating water softener unit, the operation of which may result in the discharge of saline waste into the sewerage facilities in the Lake Calavera Hills Drainage Basin, or the discharge of such wastes that might pollute any surface or underground stream, watercourse, lake or any body of water, including any underground, natural or artificial storage reservoir, or which might impair or contribute to the impairment of die usefulness of such waters for human or animal consumption, or domestic agricultural, industrial, or recreational purposes or for any other useful purpose. SECTION 3. That Tide 13, Chapter 13.16 is amended by the deletion of Section 13.16.020. SECTION 4. That Tide 13, Section 13.16.030 is amended to read as follows: 13.16.020 Establishment of rules and regulations The Engineer is audiorized and empowered to adopt such rules and regulations as may be deemed reasonably necessary to protect the sewer system and die joint sewer system, to control and regulate the proper use thereof and to provide for die issuance of permit; provided, however, that die terms and provision of such rules and regulations shall be promulgated in a manner best directed to result in the uniform control and use of the joint sewer system by the parties to die basic agreement referred to in Section 13.04.101 or any amendments or supplements thereto, and provided further that such rules and regulations shall be not become effective until approved by the City Council, and a copy of such rules and regulation is filed widi City Clerk. The more restrictive regulations shall apply in die event of any inconsistencies between Joint Sewer System regulations approved by City Council and other regulations adopted by die City of Carlsbad. SECTION 5. That Tide 13, Section 13.16.050 is amended to read as follows: 13.16.040 Issuance of permit Industrial waste permits shall be co-issued by the City of Carlsbad and the Encina Water Pollution Control Facility according to Carlsbad Municipal Code and Encina Water Pollution Control Facility Regulations approved by City Council and filed with die City Clerk. No permit shall be issued to any person to discharge industrial waste into the sewer system of die district or die joint sewer system if such discharge will be hazard or danger to die healdi or safety of any person or to the property of any person or if such discharge will result in a danger to die capacity, construction, use or property performance or utilization of the sewer system or joint sewer system or be otherwise detrimental or injurious to such systems or eidier of diem, and unless die applicant has complied with all state, federal and local laws and witii all provision of this article and widi all die applicable rules and regulations adopted as provided for this chapter. -5- 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 SECTION 5. That Tide 13, Section 13.16.60 is amended to read as follows: 13.16.090 Permit expiration revocation or suspension. Any permit issued in accordance with the provision of this chapter shall be valid for a period specified on the permit, or if no term is specified, for one year, and are not transferable unless such permit is revoked or suspended as provided in this title and in the rules and regulations adopted pursuant thereto. EFFECTIVE DATE: This ordinance shall be effective thirty (30) days after its adoption, and the City Clerk shall certify to the adoption of this ordinance and cause it to be published at least once in the Carlsbad Journal within fifteen (15) days after its adoption. INTRODUCED AND FIRST READ at a regular meeting of the Carlsbad City Council held on the 4th day of Sept. 1990, and thereafter, PASSED, APPROVED AND ADOPTED at a regular meeting of the Carlsbad City Council held on the 18thdav of Sept. i 1990 by the following vote, to wit: AYES: Council Members Lewis, Larson, Mamaux and Pettine NOES: None ABSENT: None ABSTAINED: Kulchin ATTEST: :LAUDE A. LEWIS, Mayor JZ, City Clerk (SEAL) KAREN R. KUNDTZ, Assistant City Clerk APPROVED AS TO FORM AND LEGALITY: Vincent F. Biondo, Jr., City Atto: -6-