Carter Phase 1-SY 980401 Wetland Evaluation
for a parcel known as the
Carter Addition
Coppell, Dallas County, Texas
Prepared for
Wendy Lopez and Associates, Inc.
1825 Market Center Boulevard
Suite 510
Dallas, Texas 75207
Prepared by:
Kimley -Horn and Associates, Inc.
12700 Park Central Drive
Suite 1800
Dallas, Texas
March 1998
L: \063359 \00 \Wetleval.Doc
C • Kimley -Horn
and Associates, Inc.
Engineering, Planning, and Environmental Consultants
Robert L. Wright. P.E. Tel: 214-357-2981
Senior Vice President Fax: 214-357-2985
E-mail: NEEDHA M ~.cyberramp.net
April 1. 1998
Job No. 93-442-01
Mr. Ken Griffin. P.E.
City of Coppell
255 Parkway Boulevard
2nd Floor
Coppell. IX 75019
RE: Carter Addition - Phase II
Dear Ken:
Enclosed is a copy of the Wetlands Evaluation for the above referenced tract. As indicated in the
report, the proposed project will not require a Section 404 permit.
If vou have any questions or require an}' additional information, please do not hesitate to call.
Sincerely.
Robert L. Wright, P.E.
Senior Vice President
RLW:km
Enclosure
10290 MONROE DRIVE, SUITE 101 / DALLAS, TEXAS 75229
Wetland Evaluation
for a parcel known as the
Carter Addition
Coppell, Dallas County, Texas
Prepared for
Wendy Lopez and Associates, Inc.
1825 Market Center Boulevard
Suite 510
Dallas, Texas 75207
Prepared by:
Kimley-Horn and Associates, Inc.
12700 Park Central Drive
Suite 1800
Dallas, Texas
March 1998
Introduction
Kimley-Horn and Associates, Inc. was contracted by Wendy Lopez and Associates, Inc. to
conduct a wetland evaluation on a parcel of land called the Carter Addition located in the
northwest quadrant of the intersection of Moore Road and Belt Line Road in the City of Coppell,
Dallas County, Texas (See Figure 1). The review included a review of background information
to identify the potential presence of Section 404 jurisdictional areas (including wetlands), field
reconnaissance to determine onsite conditions and collection of necessary onsite field data.
Figure 1 illustrates the general location of the Canner Addition site, Figure 2 contains an aerial
photograph of the study parcel and surrounding area, Figure 3 is a copy of the Dallas Count, soil
survey for the site and the accompanying site plan illustrates the identified jurisdictional areas,
data points and boundaries of the study area.
Methodology
Jurisdictional areas, which include wetlands, open waters and channels are regulated under
Section 404 and 401 of the Clean Water Act. The U.S. Army Corps of Engineers (Corps) has the
lead role in determining Section 404 jurisdictionality of these areas and coordinates with the
Environmental Protection Agency (EPA) and other resource agencies, such as the Texas Natural
Resource Conservation Committee (TNRCC) in authorizing activities in jurisdictional areas.
The Carter Addition site is within the geographic area under the jurisdiction of the Fort Worth
District of the Corps.
The Corps is currently utilizing the 1987 Wetland Delineation Manual when certifying
boundaries for Section 404 jurisdictional areas. The manual outlines the criteria used to
determine if the three parameters for wetland identification; soils, vegetation and hydrology are
present at a specific site. The methodology outlined in the 1987 manual was utilized in the
evaluation of this parcel. The analysis included a review of the soil, hydrologic and vegetation
conditions on the parcel. Various data points were developed, conditions analyzed and the
results documented on the attached Corps approved data sheets.
The approximate boundaries of the jurisdictional areas identified on the parcel are noted on the
accompanying site plan titled, Wetland Evaluation of the parcel known as Carter Addition,
Coppell, Dallas County, Texas. The locations of the various data points used in determining the
status of the parcel are also noted on the site plan. The results of the evaluation for the three
parameters associated with identification of wetland areas is briefly detailed in the results
section of this memorandum and further summarized on the accompanying data sheets.
Study Area Description
The site (See Figure 2) is a w'ooded parcel that is bordered to the north by Carter Drive, to the
east by Moore Road and to the south by Belt line Road and a railroad track right-of-way (ROW).
The western boundary is adjacent to additional wooded land, that may be pasture. General
development in the area is primarily residential sites, some with apparent horse pastures.
Residential densities increase significantly to the north. North Lake and a Texas Utilities
electrical generation plant are located to the south of the site. The site is located within a tree
covered parcel associated with Grapevine Creek.
The Carter Addition parcel is bisected in an east-west direction by the meandering channel of
Grapevine Creek. The creek channel is incised several feet or more throughout the parcel.
Surface elevations, outside of the creek channel, range from approximately 454 feet mean sea
level (MSL) along the creek to approximately 480 feet (MSL) in the northeastern corner of the
parcel. In general, the parcel is fiat to gently sloping except around the channel and in the
extreme northern portion of the site. The majority of the site appears to be an upper level terrace
of Grapevine Creek.
Grapevine Creek is an apparent perennial stream that flows from the west across the central
portion of the site before crossing under Moore Road. A small channeled drainage crosses under
the railroad track approximately 300 feet west of Moore road and discharges to the creek. The
area on the northern side of the creek channel has several small buildings or structures scattered
through-out the site. A pedestrian bridge crosses Grapevine Creek in the western portion of the
study area. The majority of the site is tree-covered with primarily mature hardwoods. There is
minimal secondary growxh and the herbaceous cover is primarily grass. The majority of this
area appears to be maintained and may be used as a campgrounds or for other large-group
outdoor activities.
The area on the southern side of the creek is more heavily wooded and contains a significant
understudy growth. Canopy cover is tighter, although the species are similar. Understory is
thicker and consist primarily of low brush, vines and sapling trees. No significant growth of
herbaceous species, ~vith the exception of isolated stands of graminoid and ruderal vegetation
was noted.
Results of Jurisdictional Evaluation
A brief description of each of the three parameters evaluated is presented below and further
summarized on the accompanying data sheets. It should be noted that because of the similarity
of the area on the south side of the creek Data Sheet NL4 refers to two points -- one on the west
end of the parcel and one on the east end of the parcel.
So//~
The parcel is mapped as containing Frio silt5' clay in the northern portion of the site and
Silawa fine sandy loam to the south of the creek near the railroad tracks (See Figure 3).
The Frio series is a dark gray/brown silty clay formed on level to nearly level floodplains
that experience infrequent inundation. The soil is deep and well-drained. The Silawa
soil is a neutral brown colored loam formed in upland areas on gentle to moderate
slopes. It too is a well-drained deep soil. Neither soil is noted on the National List as a
hydric soil.
Field observations revealed soil profiles consistent with the typical profiles for the two
mapped soils. The southern wooded portion of the site appears to contain the Silawa
loam and the terrace areas adjacent to the stream channel contain the Frio clay. No field
indicators of hydric soils were noted during the evaluation
Hydrology
The majority of the parcel is at least four feet above the water level of the stream. No
visible indications of frequent inundation or soil saturation were noted. The depth to high
water table in this area is reported to be greater than six feet. The field evaluation was
conducted within 36 hours of a significant precipitation event and while all soil samples
were wet in the upper portions several were dry at approximately six to ten inches.
While several small areas of standing water were noted, they appeared to be in response
to the recent precipitation. No indication of prolonged inundation or saturation was
noted. It does not appear that the areas are inundated or saturated for a sufficient
duration to meet the 12 percent of the growing season parameter required for wetland
hydrology.
Vegetation
The majority of the site is vegetated with a relatively mature gro~xh of hardwood trees
including several species of elm (Uhnus spp.), ash (Fraxinus spp.), and an occasional
pecan (Carya spp.) and oak (Quercus spp.). The northern side of the creek is mowed
and maintained as a camp or equestrian area and contains minimal secondary growth.
The southern side of the creek is not maintained and contains a higher content of
secondary growth including sapling trees and numerous woody shrubs. The creek
channel is not vegetated and the steep banks are barren. No areas of dominate
hydrophytic vegetation were identified during the field reconnaissance.
No wetlands were identified ~vithin the Carter Addition parcel. The channel of Grapevine Creek,
below the "ordinary high water mark" is considered a jurisdictional area (a "water of the US").
This area is depicted on the plan -sized graphic titled Wetland Evaluation of the parcel known as
the Carter Addition, Coppeli, Dallas County, Texas included with this technical memorandum..
The plan also locates the data points described in the attached data sheets, the parcel boundary
and the proposed activity.
Summary
The Grapevine Creek channel is considered a water of the US and is therefore subject to
regulation by the U.S. Army Corps of Engineers and Texas Natural Resource Conservation
Committee under Sections 404 and 401 of the Clean Water Act.. No other jurisdictional areas
(wetlands, channels or special aquatic sites) were identified during the field reconnaissance.
Activities undertaken ~vithin the boundaries of the creek channel will require authorization from
the Corps and TNRCC. Activities outside of the depicted boundaries are not subject to
authorization by the Corps under Section 404 of the Clean Water Act and require no Section 404
permit action. Based on the plans provided and verbal descriptions in the field it appears that the
proposed activity (construction of a swale and filling of the apparent 100-year floodplain)will
not require a Section 404 permit authorization.
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and Associates, Inc. Environmental Services
DATA FORM
ROUTINE WETLAND DETERMINATION
- (1987 COE Wetlands Delineation Manual)
Project/Site: North Lake Site Date: March 17, 1998
Applicant/Owner: Wendv Lol~ez & Associates County: Dallas
Investigator: Kimlev-Horn & Associates, Inc. State: Texas
Do normal circumstances exist on the site? []Yes [~ No Community ID: NLI
Is the site significantly disturbed (atypical situation)? [] Yes [] No Transect ID:
Is the area a potential problem area? [] Yes [] No Plot ID::
(If needed, explain on reverse)
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Ulmus Rubra Canopy Fac 9.
2. Ulmus Crassifolia Canopy Fac 10.
3. Carya SI313 Ca~o~v --- 11.
4. Quercus S1~13 Canopy ._. 12.
5. 13.
6. Poa SI~p Herb ._. 14.
7. l'halaris SDD Herb Fac 15.
8. Enchinochloa Cruscalli Herb Fac 16.
Percent of dominant species that are OBL, FACW, or FAC
(excluding FAC-) 65%
Remarks:
Typical floodplain overstory. Herbaceous cover maintained by mowing.
Recorded data (Describe in remarks): Wetland Hydrology Indicators:
Stream, lake, or tide gauge Primary Indicators:
X Aerial photographs Inundated
Other Saturated in upper 12 inches
No recorded data available Water marks
Drift lines
Sediment deposits
Field Observations: Drainage patterns in wetlands
Secondary Indicators (2 or more required):
Depth of Sur[ace Water: (in.) Oxidized root channels in upper 12 inches
Water-stained leaves
Depth of Free Water in Pit: (in.) __Local soil survey data
FAC-neutral test
__Other (Explain in remarks)
Depth to Saturated Soil: >12 (in.) "U.S. Water" Determination
__Defined Channel
__Hydrologic Regime
Remarks:
No hydrologic indicators.
H.~EVE RYON EWVILCOX~DATAN LAK DO C
and Associa~s, Inc. Environmental Services
Map Unit Name
(Series and Phase): Frio SilW Clay Drainage Class: Well drained
Field Observations
Taxonomy (Subgroup): Confirm Mapped Type? [] Yes n No
Profile Description:
- Depth Matrix Color Mottle Colors Mottle Texture, Concretions,
(inches) Horizon (Munsell Moist) (Munsell Moist) Abundance/Contrast Structure, Etc.
0-12 H 10 yr 4/2 N/A None Tight silts clay
Hydric Soil Indicators:
Histosol Concretions
Histic Epipedon High organic content in surface layer in sandy soils
Sulfidic odor Organic streaking in sandy soils
Aquic moisture regime Listed on local hyddc soils list
Reducing conditions Listed on national hydric soils list
Glayed or Iow-chorma colors Other (Explain in remarks)
Remarks:
Soils show no indication of P, edox condition.
Hydrophytic vegetation present? [] Yes [3 No Is this sampling point within a wetland? [3 Yes [] No
Wetland hydrology present? [3 Yes [] No Is this sampling point within
-- Hydric soils present? [3 Yes [] No a "Water of the U.S."? [] Yes [] No
Is the "Water of the U.S." an
ephemeralwater? [] Yes [3 No
Remarks:
This area is on upper terrace of Grape Vine Creek.
H:~EVE RYON E~WILCOX~DATANLAK. DOC
~lll ~ Kimley-Hom
and Associal~s, Inc. Environmental Services
DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual)
Project/Site: North Lake Site Date: March 17. 1998
Applicant/Owner: Wend¥ Louez & Associates County: Dallas
Investigator: Kimle¥-Hom & Associates. Inc. State: Texas
Do normal circumstances exist on the site? []Yes El No Community ID: NL2
Is the site significantly disturbed (atypical situation)? El Yes [] No Transect ID'.
Is the area a potential problem area? El Yes [] No Plot ID::
(If needed, explain on reverse)
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Ulmus Rubra Canopy Fac 9.
2. Ulmus Crassifolia Canopv Fac 10.
3. Carya SDD Canopy 11.
4. Quercus Spp Canopy 12.
5. 13.
6. Poa SDp Herb ._. 14.
7. Phalaris SUp Herb Fac 15.
8. Enchinochloa Cruscalli Herb Fac 16.
Percent of dominant species that are OBL, FACW, or FAC
(excluding FAC-) 45%
Remarks:
Maintained understory 20%. Canopy cover dominated by mature specimens.
Recorded data (Describe in remarks): Wetland Hydrology Indicators:
·. Stream, lake, or tide gauge Pdmary Indicators:
X Aerial photographs Inundated
Other Saturated in upper 12 inches
No recorded data available Water marks
Drift lines
Sediment deposits
Field Observations: Drainage patterns in wetlands
Secondary Indicators (2 or more required):
Depth of Surface Water: N/A (in.) Oxidized root channels in upper 12 inches
Water-stained leaves
Local soil survey data
Depth of Free Water in Pit: (in.) FAC-neutral test
Other (Explain in remarks)
Depth to Saturated Soil: >12 (in.) "U. S. Water" Determination
Defined Channel
Hydrologic Regime
Remarks:
No evidence of sustained hydrology.
H:\EVERYO N EW~LC OX~DATANLAK.DOC
a~d Associa'es, Inc. Environmental Services
Map Unit Name
(Series and Phase): Frio $ilW Clay Drainage Class: Well drained
Field Observations
Taxonomy (Subgroup): Confirm Mapped Type? [] Yes n No
Profile Description:
Depth Matrix Color Mottle Colors Mottle Texture. Concretions,
(inches) Horizon (Munsell Moist) (Munsell Moist) Abundance/Contrast Structure, Etc.
0-16 l 0 yr 4/2 N/A None Ti~oht silts clav
Hydric Soil Indicators:
Histosol Concretions
Histic Epipedon High organic content in surface layer in sandy soils
Sulfidic odor Organic streaking in sandy soils
Aquic moisture regime Listed on local hydric soils list
__Reducing conditions Listed on national hydric soils list
Glayed or Iow-chorma colors Other (Explain in remarks)
Remarks:
No hydric indicators,
Hydrophytic vegetation present? E3 Yes [] No Is this sampling point within a wetland? n Yes [] No
Wetland hydrology present? E3 Yes [] No Is this sampling point within
Hydric soils present? g~ Yes [] No a "Water of the U.S."? n Yes [] No
Is the "Water of the U.S." an
ephemeral water? Q Yes [] No
Remarks:
Upper terrace of Grapevine Creek.
H:~EVERYONEWVILCOX~DATANLAK DOC
~i~ Kimley-Hom
~nd Associnles, Inc. Environmentnl Services
DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual)
Project/Site: North Lake Site Date: March 17, 1998
Applicant/Owner: Wend¥ Lopez & Associates County: Dallas
Investigator: Kimle¥-Horn & Associates, Inc. State: Texas
Do normal circumstances exist on the site? []Yes El No Community ID: NL3
Is the site significantly disturbed (atypical situation)? El Yes [] No Transect ID:
Is the area a potential problem area? El Yes [] No Plot ID::
(If needed, explain on reverse)
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. 9.
2. 10.
3. 11.
4. 12.
5. 13.
6. 14.
7. 15.
8. 16.
Percent of dominant species that are OBL, FACW, or FAC
(excluding FAC-)
Remarks:
Within Creek Channel, no vegetation.
Recorded data (Describe in remarks): Wetland Hydrology Indicators:
Stream, lake, or tide gauge Primary Indicators:
X Aerial photographs × Inundated
Other Saturated in upper 12 inches
No recorded data available X Water marks
X Drift lines
X._~_Sediment deposits
Field Observations: __Drainage patterns in wetlands
Secondary Indicators (2 or more required):
Depth of Surface Water: (in.) __Oxidized root channels in upper 12 inches
~Water-stained leaves
Depth of Free Water in Pit: (in.) ~Local soil survey data
FAC-neutral test
__Other (Explain in remarks)
Depth to Saturated Soil: (in.)
"U.S. Water" Determination
X.~_Deflned Channel
__Hydrologic Regime Perennial
Remarks:
Within defined banks of Grapevine Creek Channel.
H:~EVE RYONE~WILCOX'~DATANLAK. DOC
~n~! Associ~$, Inc. £nvironmentnl Service~
Map Unit Name
(Series and Phase): Drainage Class:
Field Observations
Taxonomy (Subgroup): Confirm Mapped Type? I-I Yes E3 No
Profile Description:
Depth Matrix Color Mottle Colors Mottle Texture, Concretions,
(inches) Horizon (Munsell Moist) (Munsell Moist) Abundance/Contrast Structure, Etc.
Hydric Soil Indicators:
Histosol Concretions
Histic Epipedon High organic content in sur[ace layer in sandy soils
Sulfidic odor Organic streaking in sandy soils
Aquic moisture regime Listed on local hydric soils list
Reducing conditions Listed on national hydric soils list
Glayed or Iow-¢horma colors Other (Explain in remarks)
Remarks:
No soil sample taken within channel.
Hydrophytic vegetation present? [3 Yes [] No Is this sampling point within a wetland? El Yes [] No
Wetland hydrology present? [] Yes El No Is this sampling point within
Hydric soils present? [] Yes El No a "Water of the U.S."? [] Yes El No
(probable) is the "Water of the U.S." an
ephemeral water?. El Yes [] No
Remarks:
The area within the defined banks of Grapevine Creek is a water of the U.S.
H '~EVE RYO N EWVILC OX~DATAN LAK. DOC
and Associates, Inc. Environmental Services
DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual)
Project/Site: North Lake Site Date: March 17, 1998
Applicant/Owner: Wendv Lopez & Associates County: Dallas
Investigator: Kimlev-Horn & Associates, Inc. State: Texas
Do normal circumstances exist on the site? []Yes I~ No Community ID: NL4
Is the site significantly disturbed (atypical situation)? n Yes [] No
Is the area a potential problem area? I~ Yes [] No Transect ID:
(If needed, explain on reverse) Plot ID::
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Ulmus Rubra Canopy Fac 9. Smilax Vine
2. Ulmus Crassifolia Canopy Fac 10.
3. Quemus SpD Canopy --- 11.
4. FraxinusAmericana Canopy Facu 12.
5. 13.
6. Phalaris Spl~ Herb _._ 14.
7. Echinochloa Cruslzalli I Icrb 15.
8. Rucus Spp Shrub 16.
Percent of dominant species that are OBL, FACW, or FAC
(excluding FAC-) 25%
Remarks:
Heavily wooded area.
Recorded data (Describe in remarks): Wetland Hydrology Indicators:
Stream, lake, or tide gauge Pdmary Indicators:
X Aerial photographs Inundated
Other Saturated in upper 12 inches
__No recorded data available Water marks
Drift lines
Sediment deposits
Field Observations: Drainage patterns in wetlands
Secondary Indicators (2 or more required):
Depth of Surface Water: (in.) Oxidized root channels in upper 12 inches
Water-stained leaves
Depth of Free Water in Pit: (in.) Local soil survey data
FAC-neutral test
Other (Explain in remarks)
Depth to Saturated Soil: >12 (in.) "U.S. Water" Determination
Defined Channel
Hydrologic Regime
Remarks:
Datapoint NL4 ~ 10' above stream
H:~EVE RYONE~WlLC OX~DATAN LAK. DOC
and Associates, Inc. Environmental Services
Map Unit Name
(Series and Phase): Silawa Fine Sandy Loam Drainage Class: Well drained
Field Observations
Taxonomy (Subgroup): Confirm Mapped Type? [] Yes [~ No
Profile Description:
Depth Matrix Color Mottle Colors Mottle Texture, Concretions,
(inches) Horizon (Munsell Moist) (Munsell Moist) Abundance/Contrast Structure, Etc.
0-18 H 10 yr 4/2 N/A None Sandy loam
Hydric Soil Indicators:
Histosol Concretions
Histic Epipedon __High organic content in surface layer in sandy soils
Sulfidic odor Organic streaking in sandy soils
Aquic moisture regime Listed on local hydric soils list
Reducing conditions Listed on national hydric soils list
Glayed or Iow-chorma colors Other (Explain in remarks)
Remarks:
No hydric indicators. Noted lens of silty mateiral at ~ 10-12 inches, samples taken trend towards greater clay content
near Creek Channel.
Hydmphytic vegetation present? [3 Yes [] No Is this sampling point within a wetland? n Yes [] No
Wetland hydrology present? [3 Yes [] No Is this sampling point within
Hydric soils present? ~ Yes [] No a "Water of the U.S."? n Yes [] No
Is the "Water of the U.S." an
ephemeral water? Q Yes n No
Remarks:
Upper terrace of Grapevine Creek.
H ~EVE RYO N ~WILC OX~DATAN LAK. DOC