HomeMy WebLinkAbout3598; MELROSE DRIVE EXTENSION; WETLAND DELINEATION REPORT; 1999-08-17- RECON NUMBER 3012B
AUGUST 17, 1999 -
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-- I I I¼AI LA LI IV, .JLJII LJ I / .- ____________________________ -
San Diego CA 92117-3653
61.9 / 270-5066 1fox 270-5414 '• • _______________
This document printed on recycled paper
TABLE OF CONTENTS
Summary of Findings 1
Introduction 1
Methods 1
Hydrophytic Vegetation 5
Hydric Soils 0 5
Wetland Hydrology 5
Jurisdictions 6
U.S. Army Corps of Engineers 6
California Department of Fish and Game 6
Results of Field Data 7
Hydrology 7
Soils 7
Vegetation 8
Project Impacts to Jurisdictional Waters 10
U.S. Army Corps of Engineers 10
California Department of Fish and Game 12
References Cited 12
FIGURES
Regional location of the project 2
Project location on U.S.G.S. map 3
Jurisdictional wetlands 11
TABLE
1: Impacts to CDFG and USACE Jurisdictional Wetlands 10
TABLE OF CONTENTS
PHOTOGRAPHS
Melrose Drive extension looking south 4
Southern willow scrub habitat looking southeast from Melrose Drive. 9
ATTACHMENT
1: Data sheets
Summary of Findings
A wetland delineation was conducted on the 17-acre Melrose Drive site within the city of
Carlsbad. Development of the proposed project will impact 0.50 acre of wetlands
according to U.S. Army Corps of Engineers (USACE) guidelines (1987). Impacts to 0.50
acre of streambed habitat (0.49 acre southern willow scrub and 0.01 acre freshwater
marsh) are also under California Department of Fish and Game (CDFG) jurisdiction. A
USACE 404 permit, Regional Water Quality Board 401 certification, and CDFG
streambed alteration agreement must be obtained prior to any impacts to streambeds or
jurisdictional wetlands.
Introduction
The Melrose Drive road alignment is located east of the intersection of El Camino Real
and Palomar Airport Road in the city of Carlsbad, California (Figures 1 and 2). The
project location lies along a tributary to Agua Hedionda Creek. The Carlsbad drag strip
lies to the east, Palomar Airport Road to the south, developed areas to the north, and open
space to the west.
The project involves constructing a road to connect Melrose Drive from Palomar Airport
Road to the existing portion of Melrose Drive located approximately one-quarter mile to
the north (Photograph 1). The road fill on the east side of Melrose Drive will slow the
water flow of the creek, creating a detention basin.
This report describes results from the wetland delineation conducted for the Melrose
Drive extension project. Wetland delineation methods, existing site conditions, and
impacts to jurisdictional waters for the Melrose Drive project are included in this report.
Methods
Methods for delineating wetlands follow the USACE Wetland Delineation Manual
(1987). Jurisdictional wetlands are delineated using three parameters: soils, hydrology,
and vegetation. According to the USACE method, positive indicators for the above-
mentioned parameters must be present to qualify as a wetland. Non-wetland
jurisdictional waters were also delineated and are identified by the presence of an
ordinary high water mark as defined by the USACE.
1
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FIGURE 1
Regional Location of the Project
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Map Source: U.S.G.S. 7.5 minute topographic maps, 4000 2000 FEET 0
San Marcos, Encinitas, Rancho Santa Fe,
and San Luis Rey quadrangles. FIG1JIRIE 2
Project Vicinity
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Hydrophytic Vegetation
The potential wetland areas were surveyed by walking the proposed project site and
making observations of those areas exhibiting characteristics of jurisdictional waters or
wetlands. Vegetation units with the potential to be wetlands were examined. The
dominant plant species for each vegetation stratum (i.e., tree, shrub, herb, and vine)
within each unit was determined, and the relative canopy cover of the species present was
visually estimated. The dominant species from each stratum were then recorded on a
summary data sheet along with the associated wetland indicator status of those species.
The wetland indicator status of each dominant species was determined by using the list of
wetland plants of California provided by the U.S. Fish and Wildlife Service (1997).
The hydrophytic vegetation criterion is considered fulfilled at a location if greater than 50
percent of all the dominant species present within the vegetation unit have a wetland
indicator status of obligate (OBL), facultative-wet (FACW), or facultative (FAQ
(USACE 1987). An OBL indicator status refers to plants that have a 99 percent
probability of occurring in wetlands under natural conditions. A FACW indicator status
refers to plants that occur in wetlands (67-99 percent probability) but are occasionally
found in non-wetlands. A FAC indicator status refers to plants that are equally likely to
occur in wetlands or non-wetlands (estimated probability 34-66 percent).
Hydric Soils
Sample points were selected within a particular vegetation unit where the apparent
boundary between wetland and upland was inferred based on changes in the composition
of the vegetation. Soil pits were dug to a depth of at least 18 inches, as necessary, to
determine soil color, evidence of soil saturation, depth to groundwater, and indicators of a
reducing soil environment (e.g., mottling, gleying, sulfidic odor).
The hydric soil criterion is considered fulfilled at a location if soils in the area could be
inferred to have a high groundwater table, evidence of prolonged soil saturation, or any
indicators suggesting a long-term reducing environment in the upper 18 inches of the soil
profile.
Wetland Hydrology
Hydrologic information for the sites was obtained by locating "blue-line" streams on U.S.
Geological Survey (U.S.G.S.) topographic maps, reviewing groundwater table elevation
information from soil surveys, and directly observing hydrology indicators in the field
(e.g., inundation, drift lines, sediment deposits, drainage patterns). Evidence of flows,
5
flooding, and ponding were recorded and the frequency and duration of these events were
inferred.
The wetland hydrology criterion is considered fulfilled at a location based upon the
conclusions inferred from the field observations which indicate that an area has a high
probability of being inundated or saturated (flooded or ponded) long enough during the
growing season to develop anaerobic conditions in the surface soil environment,
especially the root zone (USACE 1987).
Jurisdictions
USACE and CDFG differ on their use of the wetland criterion for delineating the
boundaries of wetlands within their jurisdiction. Federal and state guidelines are
described below.
U.S. Army Corps of Engineers
According to USACE, all three criteria (hydrophytic vegetation, hydric soils, and wetland
hydrology) must be fulfilled in order to consider an area a jurisdictional wetland.
Atypical wetland areas (disturbed wetlands) and problem area wetlands (e.g., seasonal
wetlands) may lack one or more of the three criteria but could still be considered
wetlands if background information on the previous condition of the area and field
observations indicate that the missing wetland criteria were present before the
disturbance and would occur at the site under normal circumstances.
The USACE also requires the delineation of non-wetland jurisdictional waters. These
waters must have strong hydrology indicators such as the presence of seasonal flows and
an ordinary high water mark. Areas delineated as non-wetland jurisdictional waters may
lack wetland vegetation or hydric soil characteristics. Hydric soil indicators may be
missing because topographic position precludes ponding and subsequent development of
hydric soils. Absence of wetland vegetation can result from frequent scouring due to
rapid water flow. These types of jurisdictional waters are delineated by the lateral and
upstream/downstream extent of the ordinary high water mark of the particular drainage or
depression.
California Department of Fish and Game
Under Sections 1600-1607 of the Fish and Game Code, CDFG regulates activities that
would alter streams, rivers, or lakes. CDFG also has jurisdiction over riparian habitats
(e.g., riparian woodland and southern willow scrub) associated with watercourses.
Jurisdictional waters are delineation by the outer edge of riparian vegetation or at the top
of the bank of streams or lakes, whichever is wider.
Results of Field Data
Field data for the Melrose Drive project were conducted by Carrie Stewart and Gerry
Scheid on March 19 and May 11, 1999. A description of the hydrology, soil types, and
vegetation observed in the field is given below. Copies of the data forms summarizing
information taken where the digging of soil pits were required are provided in
Attachment 1.
Hydrology
One U.S.G.S. blue-line stream enters the project area from the northeast. Water flows are
generally conveyed in a westerly direction. The drainage then exits the site through a 6-
foot-by-8-foot box culvert leading under the existing northern Melrose Drive stub-out.
Flows continue off-site a few miles until reaching Agua Hedionda Lagoon. Besides the
blue-line drainage there are no other watercourses on-site.
The eastern end of the blue-line stream on-site is relatively well-defined and the banks
are easily detected. The drainage is less-defined as flows continue through the site to the
west. Motorcycle racetracks cross through the drainage several times, which has altered
drainage patterns. Depressional areas that form long, shallow, branching drainages
originating from the main channel exist here. When the main channel floods during major
storm events, the water overflows the channel banks and spills into the adjacent
depressional areas and finger drainages. Water becomes trapped in these areas until it
filters through the soil or evaporates. Pockets of standing water were observed in these
depressions during both field visits.
Situated between the depressional areas and small drainages are low terraces. Evidence of
flow along these terraces included drift lines. Drift lines consisted of organic matter, leaf
litter, and broken branches deposited on the terraces during flood events. Although one
hydrology indicator was observed, it is unclear as to how long the water ponds along the
lower terraces.
Soils
Information on the soil types sampled in the study area is summarized from the following
sources: Soil Survey for San Diego County (U.S. Department of Agriculture [USDA]
1973), Soil Taxonomy (USDA 1975), and the local hydric soil list obtained from the Soil
Conservation Service.
7
Soils in the drainage area are Visalia sandy loam (VaB). The Visalia series is in the
subgroup Pachic Haploxerolls and the order Mollisols. VaB soil is often found in
floodplains and drainage courses. This deep sandy loam is derived from granitic
alluvium. Due to the sandy nature of the soil, runoff is slow and permeability is rapid.
The soil has a weak structure and is naturally brownish gray in color. Thin strata or
inclusions of loamy sand and sand may be present throughout the soil.
Sandy soils on-site did not readily exhibit hydric indicators such as mottling and gleyed
soil color. This is typical of sandy soils since the soil contains large-sized particles that
are large enough to facilitate draining during flood events. Sandy soils rarely become
waterlogged; therefore, anaerobic conditions do not develop. Hydric soil indicators for
sandy soil include high organic content matter in the surface horizon, organic streaking
below the surface, and the presence of organic pans (USACE 1987).
Surface organic material and moderate organic streaking were observed at test pit 1,
which was dug in wetlands. Soil samples were not taken at test pits 3 and 4 because two
to four feet of water inundated the soil. In test pit 2 no organic material was observed at
the surface or subsurface layer. This delineated the boundary between upland and
wetland.
C. Vegetation
Areas with hydrophytic vegetation and areas without hydrophytic vegetation were
observed on the project site. Areas having hydrophytic vegetation, in general, were
considered potential wetland sites. Areas without hydrophytic vegetation were
considered upland, unless evidence suggested that a wetland or other jurisdictional water
might occur at the particular location.
Hydrophytic vegetation is found along the main drainage and overflow areas along the
banks of the drainage. Southern willow scrub is the dominant vegetation here and is
found near the eastern portion of the project site within the road footprint and detention
basin (Photograph 2). Red willows (Salix laevigata) and black willows (Salix
gooddingii), both obligate wetland plant species, form the broken riparian canopy. Blue
elderberry (Sambucus mexicana) shrubs and arroyo willow (Salix lasiolepis) trees form
the secondary riparian layer. The understory is weakly developed, consisting mostly of a
highly invasive non-native plant, pampas grass (Cortaderia jubata), and the native plant
western poison oak (Toxicodendron diversilobum). Other herbaceous species found in
low numbers include celery (Apium graveolens) and western ragweed (Ambrosia
psilostachya). Several coast live oak (Quercus agrfolia) trees were observed along the
fringe of the southern willow scrub habitat.
Two areas adjacent to the drainage supports freshwater -marsh habitat. This habitat is
composed almost entirely of cattails (Typha sp.)with lesser amounts of bulrush (Scirpus
sp.), both considered obligate wetland plant species.
Project Impacts to Jurisdictional Waters
Project plans include the construction of Melrose Drive, a 20-foot construction buffer,
and a detention basin (Figure 3). Jurisdictional waters, project boundary, and grading
limits are shown on Figure 3.
The total acres of jurisdictional waters and wetland habitat within the proposed alignment
of Melrose Drive (including the 20-foot buffer area) and the detention basin area were
calculated individually. Impacts to wetlands within the Melrose Drive extension will be
permanent, while there are no anticipated impacts to wetlands within the detention basin.
The detention basin will be inundated for a short period of time during an average rainfall
year. It is estimated that during peak flows (100-year flood), the detention basin will be
inundated for less than six hours. During average rainfall years, the maximum inundation
times will be less than one hour. Inundation events are also not likely to occur every year.
Therefore, total impact acreage is determined using the Melrose Drive alignment and the
20-foot construction buffer. Table 1 shows the impacts to wetlands.
TABLE 1
IMPACTS TO
CDFG AND USACE JURISDICTIONAL WETLANDS
Wetlands Impacted Total*
Southern willow scrub 0.49 2.38
Coastal and valley freshwater marsh .. 0.01 0.38
TOTAL 0.50 2.76
*Includes habitats within detention basin.
The project impacts to wetlands resulting from the grading of the project site are
discussed by jurisdictional agency.
A. U.S. Army Corps of Engineers
The location of jurisdictional wetlands within the Melrose Drive project site is shown on
Figure 3. The presence of hydrophytic vegetation, hydric soils, and wetland hydrology
indicates that the main drainage and associate depressional areas are wetlands. The low
10
M.
;
Jurisdictional Wetlands '
-
Southern willow scrub
Coastal and valley frshwater marsh
__ L
- I I Melrose Drive extension
I I 20' Construction buffer
Detention basin: Inundation line
for 100-year flood event
Test pit locations
1)
FIGURE 3 -
0 Location of -
-
Jurisdictional Wetlands*
360 ,. - 180 FEET 0
terrace areas, which exhibit weak wetland hydrology and soils indicators but do support
obligate hydrophytic vegetation, are also considered jurisdictional wetlands. Therefore,
total impacts to jurisdictional wetlands are 0.50 acre.
B. California Department of Fish and Game
Portions of the drainages supporting wetland plant communities (i.e., southern willow
scrub and freshwater marsh) and areas with evidence of water flow are considered
jurisdictional streams by CDFG. The lateral extent of the streambed habitat (southern
willow scrub habitat) was measured from the edges of the willow canopy. The extension
of Melrose Drive will impact 0.50 acre of streambed habitat.
References Cited
U.S. Army Corps of Engineers (USACE)
1987 Corps of Engineers Wetlands Delineation Manual. Technical Report Y-87-1,
Department of the Army. January.
U.S. Department of Agriculture (USDA)
1973 Soil Survey, San Diego Area, California. Edited by Roy H. Bowman. Soil
Conservation Service and Forest Service.
1975 Soil Taxonomy: A Basic System of Soil Classification for Making and
Interpreting Soil Surveys. Agriculture Handbook No. 436.
U.S. Fish and Wildlife Service
1997 National List of Vascular Plant Species that Occur in Wetlands: 1996 National
Summary. Ecology Section - National Wetlands Inventory. March 3, 1997.
12
ATTACHMENT 1
DATA FORM
ROUTINE ON-SITE DETERMINATION METHOD
Project/Site: Melrose Drive Date: 3-19-99
Applicant/Owner: County: San Diego
Investigator(s): C. Stewart State: CA
Do Normal Circumstances exist on the site? 0 Yes 0 No Community ID: SWS
Is the site significantly disturbed (Atypical Situation)? 0 Yes 0 No Transect ID: 1
Is the area a potential Problem Area? 0 Yes No Plot ID:
(if needed, explain on reverse or attach separate sheet.)
VEGETATION
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Salix laevigata tree OBL 9.
2. Baccharispilularis shrub UPL 10.
3. Toxicodendron diversilobum vine UPL 11
4. 12.
5. 13.
6. 14.
7.
B.
Percent of Dominant Species that are OBL, FACW, or FAC (excluding FAC-) 33%
Remarks:
Assume presence of wetland vegetation? Yes No
Rooted emergent vegetation present? fl Yes 0 No
HYDROLOGY
Recorded Data (Describe in Remarks):
Stream, Lake or Tide Gauge
Aerial Photographs
Other
No Recorded Data Available -
Wetland Hydrology Indicators:
Primary Indicators:
0 Inundated
Saturated in: 0 Upper 12" 0 13-18"
Water Marks
Drift Lines
Sediment Deposits
Drainage Patterns in Wetlands
Secondary Indicators (2 or more required): Field Observations:
Depth of Surface Water: -- (in.) Oxidized Root Channels in: Upper 12"
Depth to Water in Pit: -- (in.) 13-18"
Depth to Saturated Soil: j. (in.) 0 Water-Stained Leaves
Local Soil Survey Data
FAC-Neutral Test
Other (Explain in Remarks)
Observations and Remarks: 1-2 inches of orgaic matter on soil surface.
Filamentous or sheet forming algae present? 0 Yes 0 No
Slope: 0 0-2%; or 0 >2%
Oxidized rhizospheres: 0 new roots only; 0 old roots only; 0 new and old roots, 0 none
Flooding: 0 none, flooding not probable; 0 rare, unlikely but possible under unusual weather conditions;
occasional, occurs on an average of once or less in 2 years; or 0 frequent, occurs on an average of more than once in
2 years.
Duration: 0 very brief, if <2 days; Z brief, if 2-7 days, or 0 long, if >7 days
Site ponds water? 0 Yes 0 No
SOILS
Map Unit Name Drainage Class: ---
(Series and Phase):,., .Visaliasandy.loam(VaB)..... .JermeabiJity: moderate-rapid
• Runoff: slow
Taxonomy (Subgroup): Pachic.Haploxerolis Field Observations:
Confirm Mapped Type? 0 Yes 0 No
Profile Description: •. .•
. -
Depth Matrix Color Mottle Colors Mottle Abundance! Texture, Concretions,
(inches) Horizon (Munsell Moist) (Munsell Moist) Contrast Structures, etc.
0-18 A 1OYR 311'- .. --- Loam w/sand inclusions
Hydric Soil Indicators: .
Histosol 0 Concretions
Histic Epipedon 0 High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor . 0 Organic Streaking in Sandy Soils
Aquic Moisture Regime 0 Listed on Local Hydric Soils List
Reducing Conditions 0 Listed on National Hydric Soils List
Gleyed or Low-Chroma Colors 0 Other (Explain in Remarks)
Oberservations and Remarks: Sandy soil precludes development of primary hydric soil indicators.
Smell: Neutral; 0 Slightly fresh; or 0 Freshly plowed field smell
Site: 0 Irrigated; 0 Land leveled; 0 Ditch drained; 0 Pumped; 0 Graded to drain via slope
Soils: do 0 do not become frequently ponded or saturated for long (>7 days) to very long durations
(>30 days) during the growing season
VYtILAPlU Ur- ltllMll'IR!IUP1
Hydrophytic. Vegetation Present? 0 Yes 0 No Is this Sampling Point within a Wetland? 0 Yes 0 No
Wetland Hydrology Present? Yes 0 No
Hydric Soils Present? J@ Yes , 0 No
Remarks:
Possibly water of the U.S.? 0 Yes 0 No
Possibly exempt from Corps/EPA Regulation? 0 Yes No (If yes, check item(s) below.)
0 Non-tidal drainage and irrigation ditches excavated on dry land
0 Artifically irrigated areas which would revert to upland if the irrigation ceased.
0 Artificial lakes or ponds created by excavating and/or diking dry land to collect and retain water and which are used
exclusively for such purposes as stock watering, irrigation, settling basins, or rice growing.
0 Artifical reflecting or swimming pools or other small ornamental bodies of water created by excavating and/or diking dry
land to retain water for primarily aesthic reasons. -
0 Waterfilled depressions created in dry land incidental to construction activity and pits excavated in dry land for the
purpose of obtaining fill, sand, or gravel unless and until the construction or excavation operation is abandoned and the
resulting body of water meets the definition of waters of the United States (see 33 CFR 328.d1'a)).
Approved by HQUSACE 3/92
Additional Comments/Remarks: -
DATA FORM
ROUTINE ON-SiTE DETERMINATIbNMEflD
10! ,..!
.....
Project/Site: Melrose Drive 0 Date: 5-11-99
Applicant/Owner: County:Sãn Digh)
Investigator(s): C. Stewart .• •..r••'J State: CA
Do Normal Circumstances exist on the site? Yes 0 No Community ID: SWS.
Is the site significantly disturbed (Atypical Situation)? 0 Yes 0 No . Transect ID: 2
Is the area a potential Problem Area? 0 Yes Z. No Plot ID:
(if needed, explain on reverse or attach separate sheet.)
VEGETATION 0
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Salix laevigata tree OBL 9.
2. Toxicodendron diversilobum shrub UPL 10.
3. Cortaderiajubala shrub UPL 11.
4. Bromusrubens herb UPL 12.
5. 13.
6. • 14.
7. 15.
8. 16.
Percent of Dominant Species that are OBL, FACW, or FAC (excluding FAC-) 25%
0
Remarks: 0
Assume presence of wetland vegetation? El Yes 0 No
Rooted emergent vegetation present? 0 0 Yes Z No
HYDROLOGY
Recorded Data (Describe in Remarks): Wetland Hydrology Indicators:
Stream, Lake or Tide Gauge ' Primary Indicators: 0 ' ....
Aerial Photographs 0 Inundated 0•
Other 0 Saturated in: 0 Upper 12" •D 13-18"
0 Water Marks
0 No Recorded Data Available 0 Drift Lines
0 Sediment Deposits •. : ' -
Drainage Patterns in Wetlands . .
- Secondary Indicators (2 or mare required): • Field Observations: 0
Depth of Surface Water: --- (in.) 0 Oxidized Root Channels in: 0 Upper 12"
Depth to Water in Pit: (in.) 0 0 0 0 0 • • 0 13-1 8" .: 0
Depth to Saturated Soil: --- (in.) 0 ):. 0 Water-Stained Leaves •
•0
0 Local Soil Survey Data "' 0
0 FAC-Neutral Test •0 •0
0
0 Other (Explain iRemárks) • • •
Observations and Remarks: . .• . •.
Filamentous or sheet forming algae present? 0 Yes 0 No......................0 0 .. ........
Slope: 0 0-2%; or 0 >2%
Oxidized rhizospheres: 0 new roots only; 0 old roots only; 0 new and old roots, none •• .. .....• • Flooding: 0 none, flooding not probable; 0 rare, unlikely but possible under unusual weather conditions;
occasional, occurs on an average of once or less in 2 years; or 0 frequent, occurs on an average of more than once in
2 years.
Duration: 0 very brief, if <2 days; 0 brief, if 2-7 days, or 0 long, if >7 days
Site ponds water? 0 Yes 0 No
Map Unit Name Drainage Class:
(Seriesand Phase):,.,.. Vi alia sandy loan(VaB)., , fermeablity. moderate-rapid
Runoff: slow
Taxonomy (Subgroup): - Pachic Haploxerbils Field Observations:
Confirm Mapped Type? Z Yes 0 No
Profile Description... .. -
Depth Matrix Color Mottle Colors Mottle Abundance/ Texture, Concretions,
(inches) Horizon (Munsell Moist) (Munsell Moist) Contrast Structures, etc.
0-12 A 10YR 5/3 --- --- sandy loam
12-20 B .. 10YR 4/1 . . --- silty loam
Hydric Soil Indicators:
Histosol - 0 Concretions
Histic Epipedon 0 High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor 0 Organic Streaking in Sandy Soils
Aquic Moisture Regime 0 Listed on Local Hydric Soils List
Reducing Conditions , 0 Listed on National Hydric Soils List
Gleyed or Low-Chroma Colors 0 Other (Explain in Remarks)
Oberservations and Remarks:
Smell: Neutral; 0 Slightly fresh; or [:]Freshly plowed field smell
Site: 0 Irrigated; 0 Land leveled; 0 Ditch drained; 0 Pumped; 0 Graded to drain via slope
Soils: 0 do 0 do not become frequently ponded or saturated for long (>7 days) to very long durations
(>30 days) during the growing season
WETLAND DETERMINATION
Hydrophytic Vegetation Present? 0 Yes No Is this Sampling Point within a Wetland? 0 Yes No
Wetland Hydrology Present? 0 Yes No
Hydric Soils Present? ., - 0 yes No
Remarks: This point is at the transition between wetland and upland.
Possibly water of the U.S.? 0 Yes. 0 No
Possibly exempt from Corps/EPA Regulation? 0 Yes No (If yes, check item(s) below.)
0 Non-tidal drainage and irrigation ditches excavated on dry land
0 Artifically irrigated areas which would revert to upland if the irrigation ceased.
0 Artificial lakes or ponds created by excavating and/or diking dry land to collect and retain water and which are used
exclusively for such purposes as stock watering, irrigation, sewing basins, or rice growing.
0 Artifical reflecting or swimming pools or other small ornamental bodies of water created by excavating and/or diking dry
land to retain water for primarily aesthic reasons.
0 Waterfilled depressions created in dry land incidental to construction activity and pits excavated in dry land for the
pc,rpose of obtaining fill, sand, or gravel unless àñd until the construction or excavation operation is abandoned and the -
resulting body of water meets the definition of waters of the United States (see 33 CFR 328.3(a)).
Approved by HQUSACE 3/92
- Additional Comments/Remarks:
DATA FORM
ROUTINE ON-SITE DETERMINATFON 'METHOD .............. - '
thI!
Project/Site: Melrose Drive .; . Date: 5-11-99
Applicant/Owner: County:Sn D'igó "
Investigator(s): C. Stewart H' State: CA
Do Normal Circumstances exist on the site? . , es , 0 No Comrnunity!D:FWM -
Is the site significantly disturbed (Atypical Situation)? [],.Yes No Transect ID: 3
Is the area a potential Problem Area? 0 Yes No ,•. Plot ID: .
(if needed, explain on reverse or attach separate sheet.).........................
VEGETATION
Dominant Plant Species Stratum - Indicator Dominant Plant Species Stratum Indicator
1. Typhasp. shrub OBL 9.
2. Scirpussp. shrub OBL 10.
3. . it.
4 12.
5. ' 13.
6. . . 14.
7. 15.
8. ___________ 16.
Percent of Dominant Species that are OBL, FACW, or FAC (excluding FAC-) 100%
Remarks:
Assume presence of wetland vegetation?. 0 Yes Z No
Rooted emergent vegetation present? 0 Yes 0 No
HYDROLOGY
Recorded Data (Describe in Remarks): Wetland Hydrology Indicators:
Stream, Lake or Tide Gauge Primary Indicators: .......Y
Aerial Photographs '' Z Inundated
'
Other 0 Saturated in: 0 Upper 12" '0 13-18"
D WaterMarks -
•' .
No Recorded Data Available . ' '0 •Drift-Lines .......-
Sediment Deposit
Drainage Patterns in Wetlands '
Field Observations: .. -' " Secondary Indicators (2 or more required):
Depth of Surface Water: 36-48 (in.) 0 Oxidized Root Channels in: •D Upper 12"'
Depth to Water in Pit: - (in.) - : :..o :13..18 -
Depth to Saturated Soil: --- (in.) . '' ' 0 Water-Stained Lèaves
Local Soil Survey Data
0 FAC-Neutral Test •'
Other (Explain in Remarks) '
Observations and Remarks: This data point was in the pond area which,,was inundated. 3-4 feet,
Filamentous or sheet forming algae present? 0 Yes 0 No , , ,, ............ , .. ....
Slope: 0 0-2%; or 0 >2%
Oxidized rhizospheres: 0 new roots only; 0 old roots only; 0 new and old roots, 0 none
Flooding: 0 none, flooding not probable; 0 rare, unlikely but possible under unusual weather conditions;
occasional, occurs on an average of once or less in 2 years; or 0 frequent, occurs on an average of more than once in
2 years.
Duration: 0 very brief, if <2 days; 0 brief, if 2-7 days, or 0 long, if >7 days
Site ponds water? 0 Yes 0 No
SOILS
Map Unit Name Drainage Class:
yisalia sandyloam. (V .,,ermeabi!ty:. . moderate-rapid
Li Runoff: slow
Taxonomy (Subgroup): Pachic Haploxerolls Field Observations:
Confirm Mapped Type? 0 Yes 0 No
Profile Description:
Depth Matrix Color 'Mottle Colors Mottle Abundance/ Texture, Concretions,
(inches) Horizon (Munsell Moist) '(Munsell Moist) Contrast - Structures, etc.
Hydric Soil Indicators: . - ..
Histosol 0 Concretions
Histic Epipedon 0 High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor 0 Organic Streaking in Sandy Soils
Aquic Moisture Regime 0 Listed on Local Hydric Soils List
Reducing Conditions S 0 Listed on National Hydric Soils List
Gleyed or Low-Chroma Colors 0 Other (Explain in Remarks)
Oberseivations and Remarks:
Smell: 0 Neutral; 0 Slightly fresh; or 0 Freshly plowed field smell
Site: 0 Irrigated; 0 Land leveled; 0 Ditch drained; 0 Pumped; 0 Graded to drain via slope
Soils: do 0 do not become frequently ponded or saturated for long (>7 days) to very long durations
(>30 days) during the growing season - -
WETLAND D1 hKIIIIIIIINA11 iui'i -:
Hydrophytic Vegetation Present? Eg Yes 0 No Is this Sampling Point within a Wetland? 0 Yes 0 No
Wetland Hydrology Present? JR Yes 0 No
Hydric Soils Present? ,. -.10 Yes 0 No
Remarks: No test pit was dug due to inundation- Hydric soils are assumed.
Possibly water of the U.S.?. to Yes 0 No
Possibly exempt from Corps/EPA Regulation? 0 Yes Z No (If yes, check item(s) below.)
0 Non-tidal drainage and irrigation ditches excavated on dry land
0 Artificaily irrigated areas which would revert to upland if the irrigation ceased.
0 Artificial lakes or ponds created by excavating and/or diking dry land to collect and retain water and which are used
exclusively for such purposes as stock watering, irrigation, settling basins, or rice growing.
0 Artifical reflecting or swimming pools or other small ornamental bodies of water created by excavating and/or diking dry
land to retain water for primarily aesthic reasons.
0 Waterfilled depressions created in dry land incidental to construction activity and pits excavated in dry land for the
purposi of obthining fill, sand, or gravel unless ard-6ntil the construction or excavation operation is abandoned and the
resulting body of water meets the definition of waters of the United States (see 33 CFR 328.3(a)).
Approved by HOUSACE 3/92
Additional Comments/Remarks:
. S -
DATA FORM
ROUTINE ON-SiTE DETERMINATION METHOD
''-1 I S..' . •l.''t r."
ProjectJSite: Melrose Drive . Date: 5-11-99
Applicant/Owner: CôUjnfy:Sn Diëd ,;
Investigator(s): C. Stewart .... .. ' State: CA
Do Normal Circumstances exist on the site Yes - []..No Community ID SWS -
Is the site significantly disturbed (Atypical Situation)? ,D .Yes 0 No Transect ID: 4
Is the area a potential Problem Area? :0 Yes 0 No.,. .. Plot ID:
(if needed, explain on reverse or attach separate sheet.) -. .. .. . . - : ---. .................
VEGETATION
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Salix laeviga:a tree OBL
2. Salix lasiolepis shrub OBL 10.
3. Rorippagambelii herb OBL .. 11.
4. Anbrosiapsilostachya herb FAC .12.
5.
.9 ..
13.
6. . .. 14.
7. 15.
8. 16.
Percent of Dominant Species that are OBL, FACW, or FAC (excluding FAC-) 100%
Remarks:
Assume presence of wetland vegetation? E Yes No
Rooted emergent vegetation present? Yes 0 No '•
HYDROLOGY .
Recorded Data (Describe in Remarks): . Wetland Hydrology Indicators:
Stream, Lake or Tide Gauge Primary Indicators:
Aerial Photographs Inundated :
Other . ' 0 Saturated in: 0 upper 12....0 13-18"
0 Water Markd"
No Recorded Data Available 0 Drift Lines
Sediment Deposits . . . .
Drainage Patterns in-Wetlands'::
Secondary Indicators (2 or more required): Field Observations: .
Depth of Surface Water: 24 (in.) : . 0 Oxidized Root ChanneIsin: 0 Upper 12".'
Depth to Water in Pit: (in.) . U.' 0 13-18"
Depth to Saturated Soil: --- (in.) ' 0 Water-Stained Leaves
0 Local Sail Survey Data
FAC-Neutral Tes "
0 Other (Explain in Remarks)
Observations and Remarks: few drift lines .. . . •. ., .......
Filamentous or sheet forming algae present? 0 Yes 0 No. . ........., .. ....
Slope: 0 0-2%; or 0 >2%
Oxidized rhizospheres: 0 new roots only; 0 old roots only; 0 new and old roots, 0 none
Flooding: 0 none, flooding not probable; 0 rare, unlikely but possible under unusual weather conditions;•
0 occasional, occurs on an average of once or less in 2 years; or 0 frequent, occurs on an average of more than once in
2 years.
Duration: 0 very brief, if <2 days; 0 brief, if 2-7 days, or 0 long, if >7 days
Site ponds water? 0 Yes 0 No
0
SOILS
Map Unit Name Drainage Class:
(Series and Phase): Visalia sandy loam (VaB) - Permeability: . moderate-rapid
Runoff: slow
Taxonomy (Subgroup): Pachic Haploxerolls Field Observations:
Confirm Mapped Type? 0 Yes 0 No
Profile Description:
Depth Matrix Color Mottle Colors Mottle Abundance/ Texture, Concretions,
(inches) Horizon - (Munsell Moist) (Munsell Moist) Contrast Structures, etc.
Hydric Soil Indicators:
Histosol 0 Concretions
Histic Epipedon - 0 High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor 0 Organic Streaking in Sandy Soils
Aquic Moisture Regime 0 Listed on Local Hydric Soils List
Reducing Conditions - 0 Listed on National Hydric Soils List
Gleyed or Low-Chroma Colors 0 Other (Explain in Remarks)
Oberservations and Remarks: No hole dug due to inundation- hydric soils assumed
Smell: 0 Neutral; 0 Slightly fresh; or 0 Freshly plowed field smell
Site: 0 Irrigated; 0 Land leveled; 0 Ditch drained; 0 Pumped; 0 Graded to drain via slope
Soils: do 0 do not become frequently ponded or saturated for long (>7 days) to very long durations
(>30 days) during the growing season9
VYt I LRNLI Ur- I tIIIVIINA I IUN
Hydrophytic Vegetation Present? 10 Yes 0 No Is this Sampling Point within a Wetland? 0 Yes 0 No
Wetland Hydrology Present? Yes 0 No
Hydric Soils Present? Yes 0 No
Remarks: -
Possibly water of the U.S.? 10 Yes 0 No -
Possibly exempt from Corps/EPA Regulation? 0 Yes 0 No (If yes, check item(s) below.)
0 Non-tidal drainage and irrigation ditches excavated on dry land -
0 Artifically irrigated areas which would revert to upland if the irrigation ceased.
0 Artificial lakes or ponds created by excavating and/or diking dry land to collect and retain water and which are used
exclusively for such purposes as stock watering, irrigation, sewing basins, or rice growing.
0 Artifical reflecting or swimming pools or other small ornamental bodies of water created by excavating and/or diking dry
land to retain water for primarily aesthic reasons.
0 Waterfilled depressions created in dry land incidental to construction activity and pits excavated in dry land for the
purpose of obtaining fill, sand, or gravel unless and until the construction or excavation operation is abandoned and the
resulting body of water meets the definition of waters of the United States (see 33 CFR 328.3(a)).
Approved by HQUSACE 3/92
Additional Comments/Remarks: