APPLICATION FOR APPROVAL AND CERTIFICATION OF ELECTRICAL TRANSMISSION LINE - AEP ...
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APPALACHIAN POWER COMPANY
BEFORE THE
VIRGINIA STATE CORPORATION COMMISSION
CASE NO. PUR-2021-00049
APPLICATION FOR APPROVAL AND CERTIFICATION OF
ELECTRICAL TRANSMISSION LINE
Reusens to New London
138 kV Rebuild Project
VOLUME 2 OF 2
Siting Memo & VDEQ Supplement
April 2021
POWER Engineers, Inc.
Reusens to New London 138 kV Rebuild Project
VDEQ Supplement
ATTACHMENT 2.D.1:
DESKTOP WETLAND AND STREAM DELINEATION REPORT
ATTACHMENT 2.D.1
April 5, 2021
APPALACHIAN POWER COMPANY
Reusens to New London 138 kV Rebuild Project
Bedford County and City of Lynchburg, Virginia
Virginia Department of Environmental Quality
Desktop Wetland and Stream Delineation Report
PROJECT NUMBER:
159298
PROJECT CONTACT:
Jason Cook
EMAIL:
Jason.Cook@powereng.com
PHONE:
804-964-1035
POWER Engineers, Inc.
Reusens to New London 138 kV Rebuild Project
Desktop Wetland and Stream Delineation Report
TABLE OF CONTENTS
1.0 INTRODUCTION ....................................................................................................... 1
2.0 METHODS ................................................................................................................ 2
2.1 DATA SOURCES AND BACKGROUND INFORMATION ................................................................ 2
2.2 WETLAND DEFINITIONS ................................................................................................... 2
2.3 STREAM DEFINITIONS ..................................................................................................... 4
2.4 WETLAND AND STREAM DATA INTERPRETATION ................................................................... 4
2.4.1 Aerial Imagery and Topographic Mapping ......................................................... 4
2.4.2 National Wetland Inventory Dataset ................................................................. 5
2.4.3 National Hydrography Dataset .......................................................................... 5
2.4.4 Local Stream Datasets ....................................................................................... 6
2.4.5 Federal Emergency Management Agency Floodplain Dataset........................... 6
2.4.6 Soil Survey Mapping .......................................................................................... 6
2.5 WETLAND AND STREAM DATA EVALUATION ........................................................................ 7
3.0 RESULTS AND DISCUSSION ...................................................................................... 8
3.1 REUSENS – ALTAVISTA 138 KV TRANSMISSION LINE PROPOSED ROUTE ..................................... 8
4.0 CONCLUSION ......................................................................................................... 10
5.0 REFERENCES .......................................................................................................... 12
TABLES:
TABLE 1 WETLAND EVALUATION CRITERIA............................................................... 7
TABLE 2 STREAM EVALUATION CRITERIA ................................................................. 7
TABLE 3 DESKTOP WETLAND DELINEATION RESULTS ............................................... 8
TABLE 4 DESKTOP STREAM DELINEATION RESULTS .................................................. 8
TABLE 5 SUMMARY OF DESKTOP WETLAND AND STREAM DELINEATIONS ............ 10
ATTACHMENTS:
ATTACHMENT A: DESKTOP DELINEATED FEATURES, ROW ROUTE MAPPING
CDC 198-0790 159298 (2021-04-06) JC PAGE i
POWER Engineers, Inc.
Reusens to New London 138 kV Rebuild Project
Desktop Wetland and Stream Delineation Report
ACRONYMS AND ABBREVIATIONS
CIR Color Infrared
Company Appalachian Power Company
CPCN Certificate of Convenience and Public Necessity
FEMA Federal Emergency Management Agency
GIS Geographic Information System
kV kilovolt
NHD National Hydrography Dataset
NRCS Natural Resources Conservation Service
NWI National Wetland Inventory
PEM Palustrine Emergent Wetland
PFO Palustrine Forested Wetland
POWER POWER Engineers, Inc.
Project Reusens to New London 138-kV Rebuild Project
PSS Palustrine Scrub-Shrub Wetland
PUB Palustrine Unconsolidated Bottom Wetland
ROW(s) Right(s)-of-way
SCC State Corporation Commission
USACE United States Army Corps of Engineers
USFWS United States Fish and Wildlife Service
USGS United States Geological Survey
VDEQ Virginia Department of Environmental Quality
VGIN Virginia Geographic Information Network
PAGE ii
POWER Engineers, Inc.
Reusens to New London 138 kV Rebuild Project
Desktop Wetland and Stream Delineation Report
1.0 INTRODUCTION
Appalachian Power Company (Company) is planning to rebuild an existing transmission line
due to the combination of risk, condition and performance of the infrastructure and to ensure
adequate and reliable electric service in Bedford County, the City of Lynchburg, and the
surrounding area. The Reusens to New London 138 kilovolt (kV) Rebuild Project (the Project)
involves rebuilding an 11.6-mile portion of the Company’s existing Reusens – Altavista 138 kV
Transmission Line between the Reusens, Boonsboro, Forest, and New London substations.
The Project has a double-circuit section (approximately 5.5 miles) between the Reusens
Substation, located off Old Trents Ferry Road in the City of Lynchburg, and existing structure
5-10, and a single-circuit section (approximately 6.1 miles) between existing structure 5-10
and the New London Substation, located off Thomas Jefferson Road in Bedford County. The
Project will be constructed largely within the existing 100-foot-wide right-of-way (ROW);
however, the Project includes minor deviations from the existing centerline to optimize the
design or avoid constraints. As part of the Project, a portion of the Company’s existing
Reusens – South Lynchburg 138 kV transmission line will be relocated where it crosses the
Reusens – Altavista 138 kV Transmission Line, and which is also where the Project transitions
from double-circuit to single-circuit. Lastly, the Company’s existing Brush Tavern Substation,
located in Campbell County, will be upgraded in its current location to accommodate the
future electrical upgrades. The Company’s application to the Virginia State Corporation
Commission (SCC), describes the overall need and necessity for the Project.
The Company contracted POWER Engineers, Inc. (POWER) to prepare this Desktop Wetland
and Stream Delineation Report for inclusion in the Project’s Application for a Certificate of
Public Convenience and Necessity (CPCN), which will be filed with the Virginia SCC, which
approves or denies such applications.
The purpose of the Desktop Wetland and Stream Delineation Report is to identify potential
federally regulated waters of the United States and state-regulated waters within the 100-
foot-wide ROWs for portions of the Reusens – Altavista and Reusens – South Lynchburg 138
kV transmission lines to be rebuilt and relocated, respectively. The improvements at the
Brush Tavern Substation will be located within the existing station fence and thus no
expansion areas are required for the Project. This report includes a description of the
methodologies POWER used to determine the location and size of potential regulated waters
within the proposed ROW and guidance regarding probability of encountering the identified
features during a field verification.
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POWER Engineers, Inc.
Reusens to New London 138 kV Rebuild Project
Desktop Wetland and Stream Delineation Report
2.0 METHODS
2.1 Data Sources and Background Information
POWER reviewed various mapping sources and Geographic Information System (GIS) data in
order to identify areas where wetlands or streams could potentially be located within the
proposed ROW of the Reusens to New London 138 kV Rebuild Project. The GIS data and
mapping sources are included in the following:
• United States Geological Survey (USGS), National Geographic Society, i-cubed,
topographic mapping (USGS 2011).
• Virginia Geographic Information Network (VGIN) orthoimagery collected in spring
2017, 2018, and 2019 (whichever was most recent).
• Color Infrared (CIR) aerial imagery and orthophotography (Virginia Base Mapping
Program 2018).
• Google Earth color aerial photography, including historical aerial data (Google Earth,
imagery dates vary by location).
• National Hydrography Dataset (NHD) stream and river data (USGS 2021).
• Bedford County Streams viewed on the USGS National Map viewer (Bedford County
2018).
• City of Lynchburg Streams viewed on the USGS National Map viewer (City of
Lynchburg 2018).
• United States Fish and Wildlife Service (USFWS) National Wetland Inventory (NWI)
mapping (USFWS 2020).
• Natural Resources Conservation Service (NRCS) Soil Survey of Bedford County,
Virginia (NRCS 1989).
• NRCS Soil Survey of Campbell County and the City of Lynchburg, Virginia (NRCS
1977).
• NRCS Web Soil Survey for Bedford County, Virginia, and Campbell County and the
City of Lynchburg, Virginia (NRCS 2020).
• Federal Emergency Management Agency (FEMA) Riverine Mapping and Floodplain
Boundaries Guidance (FEMA 2020).
2.2 Wetland Definitions
Federal regulations define wetlands as “those areas that are inundated or saturated by
surface or groundwater at a frequency and duration sufficient to support, and that under
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Desktop Wetland and Stream Delineation Report
normal circumstances do support, a prevalence of vegetation, typically adapted for life in
saturated soil conditions” (United States Environmental Protection Agency 2020).
Under normal circumstances, three parameters must be present for an area to be considered
a wetland: hydrophytic vegetation, wetland hydrology, and hydric soils. Applicable technical
guidance that defines these parameters and provides criteria for the evaluation of associated
data and field indicators is provided in the 1987 Wetland Delineation Manual (Environmental
Laboratory 1987) and the Regional Supplement to the United States Army Corps of Engineers
(USACE) Wetland Delineation Manual, Eastern Mountains and Piedmont Region (USACE
2012).
Using the data sources outlined above, POWER identified areas that could potentially meet
the three parameters required to meet the definition of a wetland provided by the USACE.
Aerial imagery and NWI mapping for the Project was used to determine potential habitat type
of the desktop delineated wetlands. NWI maps use the Classification of Wetlands and
Deepwater Habitats of the United States to classify wetland habitat types (Cowardin et al.
1979). This classification system is hierarchical and defines five major systems – Marine,
Estuarine, Riverine, Lacustrine, and Palustrine. The Palustrine system is the only type of
wetland system likely to be present within the study area and is defined as including all
nontidal wetlands dominated by trees, shrubs, persistent emergent herbaceous plants,
emergent mosses or lichens, and all such wetlands that occur in tidal areas where salinity due
to ocean driven-derived salts is below 0.5 percent (Cowardin et al. 1979). Cowardin wetland
types likely to be encountered along the proposed ROW fall into the following four
classifications:
• Palustrine Emergent (PEM) Wetlands. Emergent wetlands are typically characterized
by erect, rooted, herbaceous hydrophytes, excluding mosses and lichens. This
vegetation is usually present for most of the growing season in most years.
• Palustrine Scrub-Shrub (PSS) Wetlands. Scrub-shrub wetlands are typically
characterized by woody vegetation less than 20 feet tall. The species include true
shrubs, young trees, and trees or shrubs that are small or stunted because of
environmental conditions.
• Palustrine Forested (PFO) Wetlands. Forested wetlands are usually characterized by
woody vegetation that is 20 feet tall or taller. These wetlands typically possess an
overstory of trees, an understory of young trees or shrubs, and an herbaceous layer.
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• Palustrine Unconsolidated Bottom (PUB) Wetlands. Unconsolidated bottom
wetlands include all wetland and deepwater habitats with at least 25 percent cover
of particles smaller than stones and a vegetative cover less than 30 percent.
2.3 Stream Definitions
Streams are described by the United States Environmental Protection Agency as channels
that are natural or artificial open areas that connect two bodies of water and may have water
flowing in them continuously or periodically. They are further placed into three general
stream habitat types:
• Perennial Streams. These channels typically have water throughout the year except
during extreme drought. Most of the water comes from smaller upstream waters or
groundwater while runoff from rainfall or other precipitation is supplemental.
• Intermittent Streams. These channels flow a considerable portion of the time but
cease to flow occasionally or seasonally.
• Ephemeral Streams. These channels have flowing water only during and for a short
duration after precipitation events in a typical year. Ephemeral streambeds are
located above the ground water table year-round and are often described as
headwater streams
POWER used aerial imagery, topographic mapping, NHD datasets, and local stream datasets
to determine the location of potential streams. Stream habitat types were not identified
during this desktop delineation.
2.4 Wetland and Stream Data Interpretation
In order to assess the probability for streams and wetlands to occur along the transmission
line route, POWER biologists utilized available desktop data for this report.
2.4.1 Aerial Imagery and Topographic Mapping
The CIR aerial imagery (Virginia Base Mapping Program 2018), current and historical aerial
photography (Google Earth, various dates), VGIN orthoimagery from spring 2017, 2018, and
2019 (VGIN 2021), and USGS topographic data (USGS 2011) were used to help determine the
location and size of potential wetland and stream resources within the proposed ROW. The
USGS topographic contour lines were used to identify potential drainage areas ranging from
small headwater streams to larger perennial streams. The contour lines were also used to
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POWER Engineers, Inc.
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Desktop Wetland and Stream Delineation Report
determine areas of flat or depressed terrain where water is more likely to pool for sufficient
duration that allows development of the three required wetland parameters.
Several years of aerial imagery were reviewed for signs of potential wetland and stream
resources such as apparent drainage lines, areas with changes in vegetation, and areas with
apparent water ponding. CIR aerial imagery was also reviewed, which provides a higher level
of contrast compared to traditional aerial photography since it renders the scene in colors
not normally seen by the human eye. Open water and saturated areas are typically depicted
as black or dark blue since they do not reflect much light in the infrared spectrum (Minnesota
IT Services ND). Areas with a shift in vegetation (as observed between wetland and upland
boundaries) are more apparent on CIR aerial imagery as areas with dead or stressed
vegetation appear in lighter shades of red and pink, and areas with actively photosynthesizing
vegetation appear bright red. Aerial imagery was also used to estimate the desktop
delineated wetland’s Cowardin et al. (1979) classification. The CIR aerial imagery is used on
the Desktop Wetland and Stream Delineation figures included in Attachment A of this report.
2.4.2 National Wetland Inventory Dataset
POWER reviewed NWI mapping to help identify potential wetland areas. NWI maps were
published by the USFWS and depict probable wetland areas based on stereoscopic analysis
of high-altitude aerial photographs and analysis of infrared bands from remotely sensed
imagery. Therefore, NWI mapping reflects conditions during the specific year and season the
data was acquired and should not be considered precise, field-verified wetlands (USFWS
2020). NWI mapping was also used to estimate the desktop delineated wetland’s Cowardin
classification (Cowardin et al. 1979). NWI mapping is included on the Desktop Wetland and
Stream Delineation figures included in Attachment A of this report.
2.4.3 National Hydrography Dataset
The USGS NHD (USGS 2021) was used to identify potential and known streams within the
Project ROW. The USGS NHD is a comprehensive set of digital spatial data representing
surface waters, including common features such as lakes, ponds, streams, rivers, canals, and
oceans (Simley and Carswell 2009). Although not field verified, the USGS NHD shows the
locations of streams, rivers, and open waters, and provides insight into the general location
of waters (USGS 2021). NHD mapping is included on the Desktop Wetland and Stream
Delineation figures included in Attachment A of this report.
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2.4.4 Local Stream Datasets
The Bedford County Streams dataset (Bedford County 2018) and City of Lynchburg Streams
dataset (City of Lynchburg 2018) were reviewed on the USGS National Map viewer and were
used to identify potential streams within the Project ROW. These datasets are a compilation
of records, information and data obtained from various sources and do not represent verified
surveys and are not intended to be used as such. Although not field verified, the local stream
datasets used in conjunction with aerial imagery, topographic maps, and the NHD layer
provides insight into the general location of waters.
2.4.5 Federal Emergency Management Agency Floodplain Dataset
The FEMA floodplain dataset was reviewed to identify floodplains within the Project ROW.
The FEMA Riverine Mapping and Floodplain Boundaries Guidance (FEMA 2020) provides
digital spatial data representing floodplains associated with recorded streams (see Section
2.4.3 on USGS NHD streams) as well as riverine mapping. Floodplain boundaries are divided
into flood insurance rate zones that are rated between 100-year and 500-year floodplains.
Both 100-year and 500-year floodplains are considered areas of moderate flood hazard. All
remaining areas fall under the terms of minimal flood hazard (FEMA 2020). Floodplain
mapping is included on the Desktop Wetland and Stream Delineation figures included in
Attachment A of this report.
2.4.6 Soil Survey Mapping
NRCS digital soil survey data for Bedford County and the City of Lynchburg, Virginia were used
to locate areas of hydric soils, which are typically found in wetlands (NRCS 1977, 1989, and
2020). Areas that contain hydric map units have a greater probability of supporting wetlands
relative to those mapped as non-hydric soil units. Soil map units rated as hydric in the digital
soil survey data that fall within the Project ROW are identified on the map sheets included in
Attachment A of this report.
PAGE 6POWER Engineers, Inc.
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Desktop Wetland and Stream Delineation Report
2.5 Wetland and Stream Data Evaluation
Potential streams and wetlands were assigned a probability of low, moderate, or high
potential of being a regulated resource if a field verification were to be done. Tables 1 and 2
show the criteria POWER used to assign this probability of the identified features within the
proposed Project ROW.
TABLE 1 WETLAND EVALUATION CRITERIA
WETLAND
ASSESSMENT CRITERIA
PROBABILITY
• Aerial imagery (color and CIR) and/or topography combined with two other
High indicators such as NWI wetlands, NHD streams, hydric soils, or a regulated
floodplain.
• Aerial imagery (color and CIR) and/or topography combined with one other
Moderate indicator such as NWI wetlands, NHD streams, hydric soils, or a regulated
floodplain.
Low • Areas identified as wetland with topography and aerial photography only.
TABLE 2 STREAM EVALUATION CRITERIA
STREAM
ASSESSMENT CRITERIA
PROBABILITY
High • Streams identified with NHD and aerial imagery (color and CIR).
• Streams identified with aerial imagery (color and CIR) and/or topography
Moderate combined with one other indicator such as NWI wetlands, county or city
stream data, or hydric soils.
Low • Areas identified as streams with topography and aerial photography only.
PAGE 7POWER Engineers, Inc.
Reusens to New London 138 kV Rebuild Project
Desktop Wetland and Stream Delineation Report
3.0 RESULTS AND DISCUSSION
The results of the Desktop Wetland and Stream Delineation Report are presented in Tables 3
and 4. Figures showing the location of desktop delineated wetlands and streams are included
as Attachment A of this report. The desktop delineation assumed a 100-foot-wide ROW to
assess potential acreage and linear feet of wetlands and streams, respectively. Due to
limitations in aerial photography and available data, the probability and estimated number
of occurrences provided below are for planning purposes and likely do not represent the full
extent of potentially jurisdictional aquatic resources that may be identified during a field
study. No desktop delineated wetlands were identified in the ROW of the portion of the
Reusens – South Lynchburg 138 kV transmission line to be relocated where it crosses the
Reusens – Altavista 138 kV transmission line; however one low probability stream totaling
175 linear feet was identified and will likely be spanned if present (Map Tile 13, Attachment
A).
TABLE 3 DESKTOP WETLAND DELINEATION RESULTS
ESTIMATED
WETLAND POTENTIAL WETLAND ESTIMATED NUMBER OF
ACREAGE WITHIN
PROBABILITY CLASSIFICATION* WETLAND OCCURRENCES
ROW
PEM/PSS/PFO 7 2.69
High
PUB 3 1.42
Moderate PEM/PSS/PFO 4 1.15
Low PEM/PSS/PFO 6 1.18
Wetlands Total 20 6.44
* The potential wetland classifications within the ROW are likely PEM or PSS; however, PFO conditions may have developed if the ROW
has not been maintained. Field verification would be required to confirm wetland classifications.
TABLE 4 DESKTOP STREAM DELINEATION RESULTS
ESTIMATED NUMBER OF ESTIMATED LINEAR FEET WITHIN
STREAM PROBABILITY
OCCURRENCES ROW
High 24 3,678
Moderate 9 1,349
Low 7 1,081
Streams Total 40 6,108
3.1 Reusens – Altavista 138 kV Transmission Line Proposed Route
The Proposed Route is 11.6 miles long and includes a double-circuit and single-circuit section
that crosses the City of Lynchburg and Bedford County, respectively. The majority of the
Proposed Route is on the centerline of the existing 100-foot-wide ROW. Alternative routes
PAGE 8POWER Engineers, Inc.
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Desktop Wetland and Stream Delineation Report
were not considered for the Project given the opportunity to use existing ROW; however, the
Proposed Route includes two minor deviations from the existing centerline to optimize the
design or avoid constraints for the rebuilt line. The minor deviations occur where the Reusens
– Altavista and Reusens – South Lynchburg 138 kV transmission lines cross (between
proposed structures 4-30A and 4-32A) and between proposed structures 4-41A and 4-47A in
Bedford County (Attachment A).
High Probability
Ten high probability wetlands, totaling 4.11 acres, were identified within the ROW of the
Proposed Route. Three of the high probability wetlands were determined to be probable PUB
wetlands, totaling 1.42 acres (Map Tiles 13 and 14), and seven were determined to likely be
PEM, PSS, or PFO wetlands totaling 2.69 acres (Map Tiles 3, 4, 5, 13, 14, and 19). Given the
Project will be rebuilt largely in existing ROW, impacts to high probability PFO wetlands are
minimal as the ROW has previously been cleared; however, field verification would be
necessary to confirm that forested conditions have not developed. A total of 24 high
probability streams were identified (approximately 3,678 linear feet) within the ROW of the
Proposed Route. Cheese Creek and Ivy Creek were identified as high probability streams
crossed by the Project ROW (Map Tiles 10, 11, 12, and 13). Ivy Creek is crossed multiple times
by the Project ROW. It is likely all streams can be spanned by the transmission line and avoid
impacts.
Moderate Probability
Four moderate probability wetlands, totaling 1.15 acres, were identified within the ROW of
the Proposed Route (Map Tiles 3, 7, 9, and 10). Given the Project will be rebuilt largely in
existing ROW, impacts to moderate probability PFO wetlands are minimal as the ROW has
previously been cleared; however, field verification would be necessary to confirm that
forested conditions have not developed. A total of nine moderate probability streams were
identified (approximately 1,349 linear feet) within the ROW of the Proposed Route.
Low Probability
Six low probability wetlands, totaling 1.18 acres, were identified within the ROW of the
Proposed Route (Map Tiles 1, 2, 11, 16, 17, and 20). Given the Project will be rebuilt largely
in existing ROW, impacts to low probability PFO wetlands are minimal as the ROW has
previously been cleared; however, field verification would be necessary to confirm that
forested conditions have not developed. A total of seven low probability streams
(approximately 1,081 linear feet) were identified within the ROW of the Proposed Route.
PAGE 9POWER Engineers, Inc.
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Desktop Wetland and Stream Delineation Report
4.0 CONCLUSION
A summary of the desktop wetland and stream resources identified for the Reusens to New
London 138 kV Rebuild Project is provided below in Table 5. A total of 20 potential wetlands
(totaling 6.44 acres) and 40 potential streams (approximately 6,108 linear feet) were
identified within the ROW of the Proposed Route for the section of the Reusens – Altavista
138-kV Transmission Line to be rebuilt using the resources described above. Based on the
most recent aerial imagery available for the Project area (Virginia Base Mapping Program
2018), determining the Cowardin et al. (1979) classification for most of the identified wetland
types would not be accurate. Three potential PUB wetlands were identified within the
proposed ROW and appear to be within maintained manmade ponds and are unlikely to have
a change in Cowardin et al. (1979) classification (Map Tiles 13 and 14). The remaining 17
wetlands identified within the proposed ROW appeared to be either PEM and/or PSS
wetlands (Virginia Base Mapping Program 2018). No desktop delineated wetlands were
identified in the ROW of the portion of the Reusens – South Lynchburg 138-kV transmission
line to be relocated where it crosses the Reusens – Altavista 138-kV line; however one low
probability stream totaling 175 linear feet was identified and will likely be spanned if present
(Map Tile 13, Attachment A). The improvements at the Brush Tavern Substation will be
located within the existing station fence and thus no expansion areas are required for the
Project.
Transmission line ROWs are typically maintained, which would support one of these
classifications. However, PFO wetlands may have developed in aerials with surrounding forest
if the ROW has not been maintained since the date the imagery was taken. The wetlands may
also have a PFO component on the outer edges of the ROW. A field delineation would verify
wetland habitat types. Given the Project will largely rebuild within existing ROW, impacts to
potential wetlands and streams are minimal as the area has already been disturbed.
TABLE 5 SUMMARY OF DESKTOP WETLAND AND STREAM DELINEATIONS
ESTIMATED NUMBER ESTIMATED ACREAGE/LINEAR FOOTAGE WITHIN
STREAM TYPE
OF OCCURRENCES PROPOSED ROW
Wetland Total 20 6.44 acres
Stream Total 40 6,108 feet
In general, temporary and permanent impacts to wetlands and streams during construction
of transmission lines can be avoided through strategic placement of transmission
structures/foundations to minimize impacts to regulated resources. In most cases, wetlands
and streams can be spanned entirely by a transmission line. Where avoidance is not possible,
PAGE 10POWER Engineers, Inc.
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Desktop Wetland and Stream Delineation Report
impacts to wetlands and streams are generally minimal due to the relatively small footprint
of transmission line structure foundations.
Typically, impacts to wetlands from access roads, which are required to construct the
transmission lines, can be minimized through the use of timber mats to reduce disturbance
of the ground surface within wetland areas. In some cases, timber mat bridges can also be
used to span stream channels. Impacts from access roads are often temporary in nature, as
access roads are often restored to pre-construction conditions at the end of construction.
The results of this desktop wetland and stream delineation are intended solely for use as an
indication of probable wetlands and streams within the proposed ROW for the portion of the
Reusens – Altavista 138 kV Transmission Line to be rebuilt. This analysis is designed for
planning purposes only and does not represent the results of an on-the-ground, wetland and
stream field delineation. Accurate determination of regulated resource boundaries is only
possible through field delineations of wetlands and streams utilizing the USACE wetland
delineation manual (Environmental Laboratory 1987), the applicable regional supplement
(USACE 2012), and other appropriate regulatory guidance.
PAGE 11POWER Engineers, Inc.
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Desktop Wetland and Stream Delineation Report
5.0 REFERENCES
Bedford County. 2018. Virginia Streams. Viewed on the USGS National Map viewer
(https://apps.nationalmap.gov/viewer/). Available at:
https://usgs.maps.arcgis.com/home/item.html?id=939ba3d5d5504cd29fecec8b95c
584b6. Accessed February 8, 2021.
Cowardin, L.M., F.C. Golet, and E.T. LaRoe. 1979. Classification of Wetlands and Deepwater
Habitats of the United States. Office of Biological Services, Fish and Wildlife Service,
U.S. Department of the Interior, Washington, DC. 103 p.
Environmental Laboratory. 1987. U.S. Army Corps of Engineers Wetlands Delineation
Manual, Technical Report Y-87-1. U.S. Army Engineer Waterways Experiment
Station, Vicksburg, Mississippi. 100 p, plus appendices.
Federal Emergency Management Agency (FEMA). 2020. Guidance for Flood Risk Analysis
and Mappings; Guidance Document 85 - Riverine Mapping and Floodplain
Boundaries Guidance. Available at: http://www.fema.gov/guidelines-and-standards-
flood-risk-analysis-and-mapping. Accessed February 8, 2021.
Google Earth. (Various Dates). Imagery dates vary by location. Google Earth Pro, Version
7.3.3.7786. Available at: https://www.google.com/earth/. Accessed February 4,
2021.
City of Lynchburg. 2018. GIS Stream Centerline Layer viewed on the USGS National Map
viewer (https://apps.nationalmap.gov/viewer/ ). Available at:
https://usgs.maps.arcgis.com/home/item.html?id=8d7af50e18a146309bcd9effd4fa
8ac2. Accessed February 8, 2021.
Minnesota IT Services. ND. Geospatial Information Office: Color Infrared (CIR) Imagery.
http://www.mngeo.state.mn.us/chouse/airphoto/cir.html. Accessed February 8,
2021.
Natural Resource Conservation Service (NRCS). 1977. Soil Survey of Campbell County and
City of Lynchburg, Virginia. Available at:
https://www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/virginia/campbelllcVA1977
/campbelllcVA1977.pdf. Accessed February 8, 2021.
_____. 1989. NRCS Soil Survey Geographic for Bedford County, Virginia. U.S. Department of
Agriculture. Available at:
https://www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/virginia/bedfordVA1989/b
edfordVA1989.pdf. Accessed February 8, 2021.
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_____. 2020. Web Soil Survey Bedford County, Virginia, and Campbell County and the City
of Lynchburg, Virginia.
https://websoilsurvey.sc.egov.usda.gov/App/WebSoilSurvey.aspx. Accessed
February 8, 2021.
Simley, J.D. and W.J. Carswell, Jr. 2009. The National Map - Hydrography: US Geological
Survey Fact Sheet 2009-3054, 4 pp.
United States Army Corps of Engineers (USACE). 2012. Regional Supplement to the Corps of
Engineers Wetland Delineation Manual: Eastern Mountains and Piedmont Region,
Version 2.0. Eds: J.F. Berkowitz, J.S. Wakeley, R.W. Lichvar, and C.V. Noble. ERDC/EL
TR-12-9. Vicksburg, MS: U.S. Army Engineer Research and Development Center. 147
pp, plus appendices.
United States Environmental Protection Agency. 2020. Section 404 of the Clean Water Act:
How Wetlands are Defined and Identified. https://www.epa.gov/cwa-404/section-
404-clean-water-act-how-wetlands-are-defined-and-identified. Accessed February 8,
2021.
United States Fish and Wildlife Service (USFWS). 2020. National Wetlands Inventory (NWI)
by state. Available at: http://www.fws.gov/wetlands/data/State-Downloads.html.
Accessed February 8, 2021.
United States Geological Survey (USGS). 2021. National Hydrography Dataset (NHD).
Available at: https://www.usgs.gov/core-science-systems/ngp/national-
hydrography/national-hydrography-dataset?qt-
science_support_page_related_con=0#qt-science_support_page_related_con.
Accessed February 8, 2021.
_____. 2011. The National Map, National Geographic Society, i-cubed. Available at:
https://www.arcgis.com/home/item.html?id=99cd5fbd98934028802b4f797c4b1732
. Accessed February 8, 2021.
Virginia Base Mapping Program. 2018. CIR Imagery and Orthophotography. Available at:
https://gismaps.vdem.virginia.gov/arcgis/rest/services/VBMP_Imagery/VBMP2018_I
nfrared_WGS/MapServer. Accessed February 8, 2021.
Virginia Geographic Information Network (VGIN). 2021. Orthoimagery collected in spring
2017, 2018, and 2019 (whichever was most recent). Available at:
https://vgin.maps.arcgis.com/apps/Viewer/index.html?appid=cbe6a0c1b2c440168e
228ee33b89cb38#. Accessed February 8, 2021.
PAGE 13POWER Engineers, Inc.
Reusens to New London 138 kV Rebuild Project
Desktop Wetland and Stream Delineation Report
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# Existing AEP Substation 100-year Floodplain City of Lynchburg, Desktop Wetland and Stream Delineation
Highways
Proposed Route Municipality Virginia Reusens to New London 138 kV Rebuild Project
Railroad Date: 4/6/2021; Author: ckunde; Project: 159298
Existing AEP Transmission Line Colonial Hills Golf Club
(69 kV or lower) City/County Boundary 0 1.25 2.5
Existing AEP Transmission Line NHD River
! Miles
(115-230 kV)
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725'
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Existing AEP Transmission Line (69 kV
Existing AEP Substation Low Probability Wetland
or lower) Amherst County and Map 1 of 21
" Proposed 138 kV Structure NHD Stream Existing AEP Transmission Line City of Lynchburg, Desktop Wetland and Stream Delineation
!
Reusens - Altavista 138 kV (115-230 kV)
NWI Wetlands Virginia Reusens to New London 138 kV Rebuild Project
Transmission Line Proposed Route Index Contour (25')
100-year Floodplain
Right-of-Way (100') Intermediate Contour (5')
Road 0 200 400
Moderate Probability Stream Map Tile
Railroad Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298700'
675'
725'
70
0'
675'
! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
725'
! ! !
Reusens - Roan
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! ! ! ! ! ! ! ! ! !
750
! ! !
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!
750
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! ! !
72
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700'
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Existing AEP Transmission Line
" Proposed 138 kV Structure Moderate Probability Stream !
(115-230 kV) Amherst County and Map 2 of 21
Reusens - Altavista 138 kV Low Probability Wetland
Transmission Line Proposed Route Index Contour (25') City of Lynchburg, Desktop Wetland and Stream Delineation
Right-of-Way (100')
NHD Stream
Intermediate Contour (5') Virginia Reusens to New London 138 kV Rebuild Project
NWI Wetlands
High Probability Stream Map Tile
Road 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298!
!
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75
0' !
75
0'
775
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0'
Fieldale Rd
70
Map 4
4-7A
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4-10A " 4-8A
Old Sp
ring Way "
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725'
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750' 750
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750'
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5'
77
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5'
77
Glenoak
77
775'
5'
Existing AEP Transmission Line
" Proposed 138 kV Structure High Probability Wetland !
(115-230 kV) Amherst County and Map 3 of 21
Reusens - Altavista 138 kV Moderate Probability Wetland
City of Lynchburg, Desktop Wetland and Stream Delineation
I
Transmission Line Proposed Route Index Contour (25')
Right-of-Way (100')
NHD Stream
Intermediate Contour (5') Virginia Reusens to New London 138 kV Rebuild Project
NWI Wetlands
High Probability Stream Map Tile
Road 0 200 400
Moderate Probability Stream
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 15929877
5'
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dg
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oo
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800'
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'
0'
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4-14A
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" "
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Boonsb
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0'
75
72
5'
5'
77
750'
775'
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ion
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Map 5 rm
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775'
" Proposed 138 kV Structure
Reusens - Altavista 138 kV
Transmission Line Proposed Route
Right-of-Way (100')
High Probability Wetland
NHD Stream
NWI Wetlands
Highway
Index Contour (25')
Intermediate Contour (5')
I Amherst County and
City of Lynchburg,
Virginia
Map 4 of 21
Desktop Wetland and Stream Delineation
Reusens to New London 138 kV Rebuild Project
Road Map Tile
High Probability Stream
0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298Cambridge Pl
800'
775'
Rd
od
wo
dge
We
W
im
bl
ed
on
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y
0'
80
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ng
77 wo
Rd
5' 5' od
77
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Rd
Bon
75
0'
Map 6
Map 4
4-16A
775'
"
"
725'
4-17A
4-15A
"
"
"
4-18A
" "
4-14A
Earls Ct
Hickory Hill Dr
Rd
idge
t Br
Burn
'
725
Padding
ton Ct
700'
700' 0'
75
" Proposed 138 kV Structure Moderate Probability Stream Hydric Soils
Amherst County and Map 5 of 21
Reusens - Altavista 138 kV Low Probability Stream Road City of Lynchburg, Desktop Wetland and Stream Delineation
I
Transmission Line Proposed Route
Right-of-Way (100')
High Probability Wetland Index Contour (25') Virginia Reusens to New London 138 kV Rebuild Project
NHD Stream Intermediate Contour (5')
High Probability Stream
NWI Wetlands Map Tile 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298Chees
e Cre
Cheese
Creek ek
s Ct
ng
sti
Ha
0'
80
Cheese Creek
775'
Fairfax Ct
ay
70
W
0'
72
Rd
5'
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75
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675'
0'
mb
Spr
Wi
Boonsboro
New Br
on
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Substation 77
5
700' '
Irvi
'
800
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#
4-20A 4-18A
" " "
" "
4-21A 4-19A
Map 7
Map 5
Earls Ct
W
ish
mo
re
5'
Ln
77
0'
0'
75
75
'
675 750'
5'
72
700'
Paddington C
t
5'
70
72
0'
750'
0'
70
# Existing AEP Substation Right-of-Way (100') Road
Amherst County and Map 6 of 21
" Proposed 138 kV Structure Low Probability Stream Index Contour (25') City of Lynchburg, Desktop Wetland and Stream Delineation
I
Reusens - Altavista 138 kV NHD Stream Intermediate Contour (5') Virginia Reusens to New London 138 kV Rebuild Project
Transmission Line Proposed Route
100-year Floodplain Map Tile
0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298725'
700'
750'
700'
67
5'
750
725' '
725'
Che
ese
72
Cree
5'
k
675'
Schothum St
4-23A 4-22A 4-21A
" "
" "
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ay
Map 8
Map 6
750
ssw
'
pre
Ex
725
st
'
we
rth
675'
No
700'
775'
reekC
Cheese
700'
725'
'
650
5'
67
650'
" Proposed 138 kV Structure Moderate Probability Wetland Highway
Amherst County and Map 7 of 21
Reusens - Altavista 138 kV NHD Stream Index Contour (25') City of Lynchburg, Desktop Wetland and Stream Delineation
I
Transmission Line Proposed Route
Right-of-Way (100')
NWI Wetlands Intermediate Contour (5') Virginia Reusens to New London 138 kV Rebuild Project
100-year Floodplain Map Tile
High Probability Stream
Road 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298700' 700
'
725'
Greenbri
ar Dr
'
725
'
700
CIT
775
YO
Rd
'
arm
F LY
nF
75
li
Map 9
nk
0'
Fra
NCH
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725'
5'
77
ging
BUR
0'
ton
75
G
BEDFORD COUNTY
Rd
4-25A 4-24A
" " "
4-26A
Map 7
St
um
hoth
Sc
675'
0'
70
'
750
70
0'
725'
Saturn St
750'
" Proposed 138 kV Structure Low Probability Stream Road
Amherst County and Map 8 of 21
Reusens - Altavista 138 kV NHD Stream Index Contour (25') City of Lynchburg, Desktop Wetland and Stream Delineation
I
Transmission Line Proposed Route
Right-of-Way (100')
NWI Wetlands Intermediate Contour (5') Virginia Reusens to New London 138 kV Rebuild Project
Hydric Soils Map Tile
High Probability Stream
City/County Boundary 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298'
725
0'
70
675'
'
675
Mill Acres Dr
700'
'
d
725
gs R
Nicko
las B
'
erten
700
Kin
Way
700'
Map 8
Map 10
BEDFORD COUNTY 750'
4-29A
CITY OF LYNCHBURG
" " "
4-28A 4-27A
'
675
Iv y
Cr
ee
k
0'
70
675'
'
700
5'
67
700' 675'
0'
70
" Proposed 138 kV Structure Moderate Probability Wetland City/County Boundary
Amherst County and Map 9 of 21
Reusens - Altavista 138 kV NHD Stream Road City of Lynchburg, Desktop Wetland and Stream Delineation
I
Transmission Line Proposed Route
Right-of-Way (100')
NWI Wetlands Index Contour (25') Virginia Reusens to New London 138 kV Rebuild Project
100-year Floodplain Intermediate Contour (5')
High Probability Stream
Hydric Soils Map Tile 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298!
725'
!
70
0'
!
675'
es Dr
!
Mill Acr
67
!
5'
D D
700'
Ivy Cre
D
ek
0'
D
70
" 5-9C
D
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700'
D
D
700'
Map 9
D
675'
5'
72
D
BEDFORD COUNTY
D
4-32A 4-30A
"
D
D 4-31A "
"
D
"
D D D D D
D D D
4-29A
D
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D D D
D
D D D D D
D D D D
D D D D
D D D D
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5-10
D
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Map 11
0'
75
DD D
D
CITY OF LYNCHBURG
D
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Ivy Cr
D
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D
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775'
D
D
! D
D
D
D
D
!
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750
!
Existing AEP Transmission Line
" Map 10 of 21
!
Proposed 138 kV Structure Low Probability Stream !
(115-230 kV) Amherst County and
Existing AEP Transmission Line (To Be Moderate Probability Wetland City of Lynchburg, Desktop Wetland and Stream Delineation
I
D D Existing AEP Structure
!
Retired)
Reusens - Altavista 138 kV NHD Stream
Index Contour (25')
Virginia Reusens to New London 138 kV Rebuild Project
Transmission Line Proposed Route
!
100-year Floodplain
Reusens - South Lynchburg 138 kV Intermediate Contour (5')
Hydric Soils 0 200 400
Line Relocation
!
Map Tile
Right-of-Way (100') City/County Boundary Feet
!
High Probability Stream Road
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298
!5'
72
67
5'
72
'5
700'
eek
Ivy Cr
675' 675'
Ivyle
a Dr
700'
725'
'
750
ek
Cre
Ivy
0'
70
725
'
70
0'
Map 12
Map 10
Ivy Creek
4-35A
"
D
" "
" "
4-36A 4-34A 4-33A
d
ll R
n Rd
Mi
Cott ontow
ins
wk
Ha
0'
75
Rid
gev
725'
iew
D r
725'
775'
700'
Saxon Rd
800'
5'
77
" Proposed 138 kV Structure Moderate Probability Stream Hydric Soils
Amherst County and Map 11 of 21
Reusens - Altavista 138 kV Low Probability Stream Road City of Lynchburg, Desktop Wetland and Stream Delineation
I
Transmission Line Proposed Route
Right-of-Way (100')
Low Probability Wetland Index Contour (25') Virginia Reusens to New London 138 kV Rebuild Project
NHD Stream Intermediate Contour (5')
High Probability Stream
100-year Floodplain Map Tile 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 15929875
0'
Ivylea
Dr
77
5'
5'
77
Iv y
Cott ontow
n Rd
Cre
ek
700'
'
750
Map 13
5 '
72
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Ivy Cre
4-40A
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D D D "
D D D 4-39A
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4-37A
Map 11
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700
Ivy C
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700'
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725
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725'
750'
750' Dr
n
Swa
tling
Whis
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Proposed 138 kV Structure
Existing AEP Transmission Line (To Be
Retired)
Reusens - Altavista 138 kV
High Probability Stream
NHD Stream
100-year Floodplain
Road
Index Contour (25')
Intermediate Contour (5')
I Amherst County and
City of Lynchburg,
Virginia
Map 12 of 21
Desktop Wetland and Stream Delineation
Reusens to New London 138 kV Rebuild Project
Transmission Line Proposed Route Hydric Soils Map Tile
Right-of-Way (100') 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 15929870
0'
800'
Ivy
Cre
ek
775'
725'
750'
725'
n
olf L
700'
W
Ivy
725'
PUB
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D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D
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4-42A 4-41A
4-44A 4-43A
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700
Map
725'
14
Map 12
750'
775'
e Rd
Gumtre
0'
75
0'
75
" Proposed 138 kV Structure Low Probability Stream Hydric Soils
Amherst County and Map 13 of 21
Existing AEP Transmission Line (To Be High Probability Wetland Road
D D City of Lynchburg, Desktop Wetland and Stream Delineation
I
Retired)
Reusens - Altavista 138 kV NHD Stream Index Contour (25') Virginia Reusens to New London 138 kV Rebuild Project
Transmission Line Proposed Route NWI Wetlands Intermediate Contour (5')
Right-of-Way (100') 0 200 400
100-year Floodplain Map Tile
High Probability Stream
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298'
775
775'
800' 800'
775'
725'
0'
75
750'
725'
4-45A
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Map 1
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D '
D D D
4-46A D
D 700
D D
13
D D D
D D D
Map
D D
D D 775' D
D
D D D
D D D
D D
D D D
D D D
D PUB
D D D
D D
D D D
D
" D
D
4-47A "
" D
D
D
4-44A D
D
' 750'
5
82
800'
'
800
775'
775'
" Proposed 138 kV Structure High Probability Stream 100-year Floodplain
Amherst County and Map 14 of 21
Existing AEP Transmission Line (To Be
I
D D High Probability Wetland Hydric Soils City of Lynchburg, Desktop Wetland and Stream Delineation
Retired)
Reusens - Altavista 138 kV NHD Stream Index Contour (25') Virginia Reusens to New London 138 kV Rebuild Project
Transmission Line Proposed Route NWI Wetlands Intermediate Contour (5')
Right-of-Way (100') 0 200 400
Map Tile
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298800'
775'
800'
825'
D
D
D
4-51A 4-50A 4-49A 4-48A D
D
" " " " D "
4-47A
Map 1
0'
Map 16
4
85
825'
5'
82
'
800
825' 775'
" Proposed 138 kV Structure NHD Stream
Amherst County and Map 15 of 21
Existing AEP Transmission Line (To Be NWI Wetlands
D D City of Lynchburg, Desktop Wetland and Stream Delineation
I
Retired)
Reusens - Altavista 138 kV Index Contour (25') Virginia Reusens to New London 138 kV Rebuild Project
Transmission Line Proposed Route Intermediate Contour (5')
Right-of-Way (100') 0 200 400
Map Tile
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 1592985'
77
£
¤
221
80
0'
5'
87
Map 17
0'
85
Map 15
82
5'
4-55A
"
4-53A
" "
" "
4-54A "
4-56A 4-52A 4-51A
Forest Rd
'0
80
85
0'
Rd
e
bridg
875'
Burn
" Proposed 138 kV Structure Moderate Probability Stream Road
Amherst County and Map 16 of 21
Reusens - Altavista 138 kV Low Probability Wetland Highway
City of Lynchburg, Desktop Wetland and Stream Delineation
I
Transmission Line Proposed Route
Right-of-Way (100')
NHD Stream Index Contour (25') Virginia Reusens to New London 138 kV Rebuild Project
NWI Wetlands Intermediate Contour (5')
High Probability Stream
100-year Floodplain Map Tile 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 1592985'
87
0 '
£
¤
221
80
0'
85
Woodbrook Ln
Map
18
4-55A
5' Forest "
82
Substation
"
# 4-56A
"
4-57A
Forest R
"
850'
4-58A
d
825'
"
4-59A
"
"
Map 16
4-59A
825'
0'
85
Burnbridge Rd
Nor
folk
Sou
ther
n
Rail
ro a d
5'
87
# Existing AEP Substation High Probability Stream Railroad
Amherst County and Map 17 of 21
" Proposed 138 kV Structure Low Probability Wetland Index Contour (25') City of Lynchburg, Desktop Wetland and Stream Delineation
I
Reusens - Altavista 138 kV NHD Stream Intermediate Contour (5') Virginia Reusens to New London 138 kV Rebuild Project
Transmission Line Proposed Route
Road Map Tile
Right-of-Way (100')
Highway 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298825'
Otterview
Rd
825'
800'
n L
brook
'
875
Wood
825'
4-62A 4-61A 4-60A
"
" " "
" "
4-63A
Map 19
"
900'
4-59A
Ln
y
or
ck
Hi
Old
5'
87
17
Map
0'
85
850'
925'
W
ine
wo
od
Rd
" Proposed 138 kV Structure NHD Stream
Amherst County and Map 18 of 21
I
Reusens - Altavista 138 kV Road
Transmission Line Proposed Route
City of Lynchburg, Desktop Wetland and Stream Delineation
Right-of-Way (100')
Index Contour (25') Virginia Reusens to New London 138 kV Rebuild Project
Intermediate Contour (5')
High Probability Stream
Map Tile 0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298850'
87
5'
825'
900'
Map 20
Ev
ere
tt
Rd
4-68A 4-67A 4-66A 4-65A 4-64A 4-63A
"
" "
" "
" "
" "
" "
"
Map 18
800'
925'
875'
850' Rd
ew
e r vi
Ott
825'
" Proposed 138 kV Structure High Probability Wetland Index Contour (25')
Amherst County and Map 19 of 21
I
Reusens - Altavista 138 kV NHD Stream Intermediate Contour (5')
Transmission Line Proposed Route
City of Lynchburg, Desktop Wetland and Stream Delineation
Right-of-Way (100')
NWI Wetlands Map Tile Virginia Reusens to New London 138 kV Rebuild Project
Road
0 200 400
Feet
1" = 200' Date: 4/6/2021; Author: ckunde; Project: 159298You can also read
