BCSS_WSW and Receptor Survey Report_Final_9-30-14

BELEWS CREEK STEAM STATION ASH
BASIN
Drinking Water Supply Well
and Receptor Survey
NPDES Permit NC0024406

September 30, 2014

Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
REPORT VERIFICATION

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Report Verification

PROJECT: DRINKING WATER SUPPLY WELL AND RECEPTOR SURVEY
BELEWS CREEK STEAM STATION ASH BASIN
NPDES PERMIT NC0024406

This document has been reviewed for accuracy and quality commensurate with the intended
application.

Prepared by:__________________________________ Date:___________________

Checked by:__________________________________ Date:___________________

Approved by:_________________________________ Date:___________________

Project Manager: Brooke Ahrens, PE

Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
TABLE OF CONTENTS

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Table of Contents
Page
Report Verification ....................................................................................................................... i
Table of Contents ........................................................................................................................ ii
Section 1 - Introduction .............................................................................................................. 1
Section 2 - Background .............................................................................................................. 3
2.1 Plant and Ash Basin Description .................................................................................. 3
2.2 Description of Surrounding Properties .......................................................................... 4
Section 3 – Drinking Water Supply Well and Receptor Survey Activities and Findings ............... 5
3.1 NCDENR Records Review ........................................................................................... 5
3.2 Local/Regional Water Agency Records Review ........................................................... 5
3.3 Stokes County Records Review ................................................................................... 6
3.4 Utility Department Records Review .............................................................................. 6
3.5 HDR Field Survey ........................................................................................................ 6
3.6 Additional Survey Activities .......................................................................................... 7
3.7 USGS Hydrography Review ......................................................................................... 8
Section 4 - Site Geology and Hydrogeology ............................................................................... 9
4.1 Generalized Site Hydrogeologic Conceptual Model ..................................................... 9
4.2 Site Geology and Hydrogeology ..................................................................................10
4.3 Groundwater Flow Directions ......................................................................................11
Section 5 - Summary of Findings ..............................................................................................14
Section 6 - References ..............................................................................................................15

Figures
Figure 1 Site Location Map
Figure 2 Site Layout
Figure 3 Drinking Water Supply Well and Receptor Survey Map

Tables
Table 1 Water Supply Well Information

Appendices
Appendix A EDR GeoCheck Report
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 1 - INTRODUCTION

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Section 1 - Introduction
Duke Energy Carolinas, LLC (Duke Energy), owns and operates Belews Creek Steam Station
(BCSS), located on Belews Lake in Stokes County at 3195 Pine Hall Road, Belews Creek,
North Carolina (see Figure 1). BCSS began operation in 1974 as a coal-fired generating station
and currently operates two coal-fired units. The coal ash residue from BCSS’s coal combustion
process has historically been disposed in the station’s ash basin located across Pine Hall Road
to the northwest of the station. The discharge from the ash basin is permitted by the North
Carolina Department of Environment and Natural Resources (NCDENR) Division of Water
Resources (DWR) under the National Pollutant Discharge Elimination System (NPDES) Permit
NC0022406.
The Coal Ash Management Act 2014 – General Assembly of North Carolina Senate Bill 729
Ratified Bill (Session 2013) (SB 729) revised North Carolina General Statute 130A-309.209(c)
to require:
No later than October 1, 2014, the owner of a coal residuals surface
impoundment shall conduct a Drinking Water Supply Well Survey that identifies
all drinking water supply wells within one-half mile down-gradient from the
established compliance boundary of the impoundment and submit the Survey to
the Department.
On August 13, 2014, Duke Energy received a Notice of Regulatory Requirements (NORR) for
the 14 Coal Ash Facilities owned by Duke Energy in North Carolina. The NORR states:
No later than October 14th, 2014 as authorized pursuant to 15A NCAC 02L
.0106(g), the DWR is requesting that Duke perform a receptor survey at each of
the subject facilities and submitted to the DWR. The receptor survey is required
by 15A NCAC 02L .0106(g) and shall include identification of all receptors within
a radius of 2,640 feet (one-half mile) from the established compliance boundary
identified in the respective National Pollutant Discharge Elimination System
(NPDES) permits. Receptors shall include, but shall not be limited to, public and
private water supply wells (including irrigation wells and unused or abandoned
wells) and surface water features within one-half mile of the facility compliance
boundary. For those facilities for which Duke has already submitted a receptor
survey, please update your submittals to ensure they meet the requirements
stated in this letter and referenced attachments and submit them with the others.
If they do not meet these requirements, you must modify and resubmit the plans.
The results of the receptor survey shall be presented on a sufficiently scaled
map. The map shall show the coal ash facility location, the facility property
boundary, the waste and compliance boundaries, and all monitoring wells listed
in the respective NPDES permits. Any identified water supply wells shall be
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 1 - INTRODUCTION

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located on the map and shall have the well owner's name and location address
listed on a separate table that can be matched to its location on the map.

HDR has completed this Drinking Water Supply Well and Receptor Survey (Survey) to satisfy
the requirements outlined in SB 729 and the NORR. The scope of this Survey includes
identification of all receptors within a 0.5-mile radius (2,640 feet) of the BCSS ash basin
compliance boundary based on the requirements set forth in 15A NCAC 02L .0106(g). The
receptors include public and private water supply wells (including irrigation wells and unused or
abandoned wells) and surface water features within a 0.5-mile radius of the BCSS ash basin
compliance boundary. HDR also identified public water supplies and wellhead protection areas
(if present) within a 0.5-mile radius of the BCSS ash basin compliance boundary. The
compliance boundary for groundwater quality in relation to the ash basin is defined in
accordance with 15A NCAC 02L .0107(a) as being established at either 500 f eet from the waste
boundary or at the property boundary, whichever is closer to the source. The Survey activities
performed and the findings of those activities are presented in Section 3 and on Figure 3. Table
1 includes the well owner’s name and location address with an identifier which corresponds to
the water supply well identifier on Figure 3. A potential area of interest with respect to the
BCSS ash basin groundwater flow has been delineated on Figure 3. This area is considered to
be potentially downgradient of the BCSS ash basin, based on available information.

Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 2 - BACKGROUND

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Section 2 - Background
2.1 Plant and Ash Basin Description
BCSS is a two-unit, coal-fired, electric generating plant with a capacity of 2,240 megawatts
located on the west bank of Belews Lake in Stokes County, Belews Creek, North Carolina. The
site is located at 3195 Pine Hall Road and is generally situated between undeveloped land,
residential properties, and Belews Lake (Figure 1). The station’s ash basin is located across
Pine Hall Road to the northwest of the station and is generally bounded by an earthen dike and
a natural ridge to the north, Middleton Loop Road to the west, and Pine Hall Road to the south
and east (see Figure 2). Middleton Loop Road and Pine Hall Road are located along
topographic divides. Topography to the west of Middleton Loop Road and north of the earthen
dike and natural ridge generally slopes downward toward the Dan River. Topography to the
south and east of Pine Hall Road generally slopes downward toward Belews Lake.
The station’s ash basin consists of a single cell impounded by an earthen dike located on the
north end of the ash basin. The ash basin system was constructed from 1970 to 1972 and is
located approximately 3,200 feet northwest of the station. The area contained within the ash
basin waste boundary, which is shown on Figures 2 and 3, is approximately 283 acres in area.
The full pond elevation for the BCSS ash basin is approximately 750 feet. The normal pond
elevation of Belews Lake is approximately 725 feet.
The ash basin is operated as an integral part of the station’s wastewater treatment system,
which receives flows from the ash removal system, BCSS power house and yard holding
sumps, chemical holding pond, coal yard sumps, stormwater, landfill leachate from constructed
wetlands, and treated flue gas desulfurization (FGD) wastewater. During station operations,
inflows to the ash basin are highly variable due to the cyclical nature of station operations.
Inflows from the station to the ash basin are discharged into the southeast portion of the ash
basin.
The discharge from the ash basin is through a concrete discharge tower located in the
northwest portion of the ash basin. The concrete discharge tower drains through a 24-inch-
diameter SDR 17 HDPE conduit for approximately 1,600 feet and then discharges into a
concrete flume box. The ash basin pond elevation is controlled by the use of concrete stop logs
in the discharge tower. The discharge is to an un-named tributary that flows northward to the
Dan River.
Note there is one permitted closed landfill located adjacent to and southwest of the ash basin.
The approximate boundary of the closed Pine Hall Road Ash Landfill (Permit No. 8503) is
shown on Figures 2 and 3.
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 2 - BACKGROUND

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2.2 Description of Surrounding Properties
Properties located within the 0.5-mile radius of the BCSS ash basin compliance boundary
generally consist of residential properties located to the southwest and residential farm land
northeast, north, and west. Duke Energy property is located to the north, northwest, south and
east with Belews Lake beyond to the south and east.
Figure 3 depicts these properties surrounding BCSS.

Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 3 – DRINKING WATER SUPPLY WELL AND RECEPTOR SURVEY ACTIVITIES AND FINDINGS

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Section 3 – Drinking Water Supply Well and
Receptor Survey Activities and Findings
3.1 NCDENR Records Review
On April 17, 2014, HDR reviewed the NCDENR Division of Water Resources (DWR) Source
Water Assessment Program (SWAP) online database for public water supply sources to identify
wells located within a 0.5-mile radius of the ash basin compliance boundary, to confirm the
location of wells included in the Public Water Supply Water Sources GIS point data set, and to
identify wellhead protection areas located within a 0.5-mile radius of the ash basin compliance
boundary. The NCDENR SWAP database provides detailed assessments of all public drinking
water intakes and wellhead protection areas in North Carolina. The website address is:
(http://swap.ncwater.org/website/swap/viewer.htm).
On May 27, 2014, Mr. Chad Hearn with HDR contacted Mr. Sean McGuire, GIS Specialist with
the NCDENR PWSS, by telephone. Mr. McGuire stated that as of May 27, 2014, the data
contained in the Public Water Supply Water Sources GIS point data set obtained from the NC
OneMap GeoSpatial Portal was current through November 18, 2009, and that it is the most
current GIS data set of public water supply locations available from North Carolina state
agencies. The GIS point data for the public water supply wells includes but is not limited to
information such as public water supply (PWS) system identification numbers, ownership
information, PWS source type, well depth, and well yield.
One public water supply well was identified in the Public Water Supply Water Sources GIS point
data set (obtained from NC OneMap GeoSpatial Portal) and on the NCDENR SWAP online
database within a 0.5-mile radius of the ash basin compliance boundary. This well is identified
with PWS preceding the Public Water Supply System ID Number (PWS: NC0285432). The
location of the well is identified on Figure 3. Available information for the well is provided in
Table 1.
No wellhead protection areas were identified on the NCDENR SWAP online database within a
0.5-mile radius of the ash basin compliance boundary.
3.2 Local/Regional Water Agency Records Review
HDR contracted EDR to conduct a local/regional water agency records review for water supply
wells within a 1.5-mile radius of the BCSS ash basin. A copy of the EDR Geocheck Report
(Inquiry Number 4074371.1s) dated September 22, 2014 is provided in Appendix A.
The EDR report identified two wells within the 1.5-mile search radius for the BCSS ash basin
compliance boundary that are listed on the United States Geological Survey (USGS) database.
HDR contacted the USGS to obtain information on these identified wells. On September 23,
2014, Mr. Tom Yanoschak with HDR contacted Mr. Doug Smith with the USGS. Mr. Smith
reported that the identified wells primary use of water was listed as “industrial” in the USGS
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 3 – DRINKING WATER SUPPLY WELL AND RECEPTOR SURVEY ACTIVITIES AND FINDINGS

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database. He provided latitude and longitude coordinates for the wells, and available well depth
information for the wells.
Based on the coordinates provided by Mr. Smith, the two wells identified in the USGS database
are located outside of the 0.5-mile radius of the ash basin compliance boundary. The locations
of these wells are not included on Figure 3 and information pertaining to these wells is not
included on Table 1.
The EDR report identified two wells that are listed on the Federal Reporting Data System
(FRDS) Public Water Supply System database as PWS ID: NC0285432 (Withers Chapel UMC)
and PWS: NC0285495 (Duke Power – Belews Creek Steam) within the 0.5-mile radius of the
BCSS ash basin compliance boundary. One of these wells (PWS: NC0285432) was already
identified during the NCDENR records review and its location is shown on Figure 3 and
information pertaining to the well is included on Table 1. The other well (PWS: NC0285495) is
located at the BCSS, however, Duke Energy personnel indicated that no active water supply
wells are present on the property. The location of this well is not included on Figure 3 and
information pertaining to this well is not included on Table 1.
3.3 Stokes County Records Review
HDR contacted the Stokes County Environmental Health Department to inquire about the
location and details (if available) for recorded private water supply wells located in Stokes
County within a 0.5-mile radius of the ash basin compliance boundary. On May 28, 2014, Mr.
Chad Hearn of HDR contacted Ms. Leslie Easter with the Stokes County Environmental Health
Department. Ms. Easter indicated that Stokes County began collecting well record information
for private water supply wells in September 2000.
The Stokes County Environmental Health Department has record of eight private water supply
wells located within a 0.5-mile radius of the ash basin compliance boundary. These wells are
identified sequentially and referenced to available well information provided in Table 1. The
approximate locations of these wells are identified on Figure 3 as “recorded” private water
supply wells.
3.4 Utility Department Records Review
HDR contacted the Town of Walnut Cove Water & Sewer Department to inquire about the
availability of municipal water supply to properties located in Stokes County within a 0.5-mile
radius of the ash basin compliance boundary. On April 22, 2014, Mr. Chad Hearn of HDR
spoke with Ms. Brandy of the Town of Walnut Cove Water & Sewer Department, by telephone.
Ms. Brandy indicated that the Town of Walnut Cove does not provide municipal water supply to
properties located within a 0.5-mile radius of the ash basin compliance boundary.
3.5 HDR Field Survey
HDR personnel performed a field reconnaissance on April 18, 2014 to identify water supply
wells and surface waters located within a 0.5-mile radius of the ash basin compliance boundary.
A windshield survey was conducted from public roadways to identify water meters, valves, and
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 3 – DRINKING WATER SUPPLY WELL AND RECEPTOR SURVEY ACTIVITIES AND FINDINGS

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potential well heads/well houses. Prior to conducting the field reconnaissance, HDR personnel
reviewed orthophotography obtained from NC OneMap GeoSpatial portal (dated 2010) to
identify potential well heads/well houses and surface waters within a 0.5-mile radius of the ash
basin compliance boundary.
In addition, HDR personnel contacted Duke Energy site personnel to identify water supply wells
located on Duke Energy property.
During the field reconnaissance, HDR field personnel identified 28 private water supply wells at
properties located within a 0.5-mile radius of the ash basin compliance boundary. The wells are
included on Figure 3 as “field identified” private water supply wells.
Stokes County had records for 4 of the 28 wells identified during the field reconnaissance. The
other 4 wells Stokes County had records for were not able to be confirmed in the field. The 8
wells that Stokes County had records for are included on Figure 3 as “recorded” private water
supply wells and general well and property information is included in Table 1.
The location of the one public water supply well included in NCDENR’s records and located
within a 0.5-mile radius of the BCSS ash basin compliance boundary was confirmed in the field.
For properties where the structures and potential wells were not visible from a public right-of-
way and Stokes County did not have records for water supply wells, HDR was not able to
confirm the location or presence of a well. Based on the lack of municipal water supply in the
area, it is assumed these properties contain private water supply wells. Approximate locations
based on structures identified during the field reconnaissance and/or orthophotography review
are included on Figure 3 as “assumed” private water supply wells. A total of 14 assumed
private water supply wells are located within a 0.5-mile radius of the ash basin compliance
boundary. Two of the identified private water supply wells (Well 43 and Well 44) are located
within the BCSS ash basin potential area of interest.
Duke Energy personnel indicated that no active water supply wells are present on Duke
Energy’s property. The City of Winston Salem provides municipal water supply to the station,
which is piped from south of the plant along Craig Road to the main powerhouse building.
From the public roadway, HDR personnel did not identify indications of municipal water supply
for the properties located within a 0.5-mile radius of the ash basin compliance boundary.
Several surface water bodies were identified and/or confirmed during HDR’s field
reconnaissance. The surface water bodies located within a 0.5-mile radius of the ash basin
compliance boundary generally flow toward Belews Lake to the east and the Dan River to the
north, south, and west.
3.6 Additional Survey Activities
HDR is in the process of mailing water supply well survey questionnaires to property owners
within a 0.5-mile radius of the BCSS ash basin compliance boundary requesting information on
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 3 – DRINKING WATER SUPPLY WELL AND RECEPTOR SURVEY ACTIVITIES AND FINDINGS

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the presence of water supply wells and well usage for the properties. The results of the well
survey questionnaires will be submitted to NCDENR by November 7, 2014.
3.7 USGS Hydrography Review
HDR reviewed the USGS National Hydrography Dataset (NHD) obtained from the USGS
National Map Viewer (http://viewer.nationalmap.gov/viewer/) to identify any surface waters
features within a 0.5-mile radius of the ash basin compliance boundary. Hydrography data
obtained from the USGS NHD is included on Figure 3.
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 4 - SITE GEOLOGY AND HYDROGEOLOGY

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Section 4 - Site Geology and Hydrogeology
4.1 Generalized Site Hydrogeologic Conceptual Model
North Carolina is divided into distinct regions by portions of three physiographic provinces: the
Atlantic Coastal Plain, Piedmont, and Blue Ridge (Fenneman, 1938). BCSS is located in the
Milton terrane within the Piedmont province. The Piedmont province is bounded to the east and
southeast by the Atlantic Coastal Plain and to the west by the escarpment of the Blue Ridge
Mountains, covering a distance of 150 to 225 miles (LeGrand, 2004).
The topography of the Piedmont region is characterized by low, rounded hills and long, rolling,
northeast-southwest trending ridges (Heath, 1984). Stream valley to ridge relief in most areas
ranges from 75 feet to 200 feet. Along the Coastal Plain boundary, the Piedmont region rises
from an elevation of 300 feet above mean sea level, to the base of the Blue Ridge Mountains at
an elevation of 1,500 feet (LeGrand, 2004).
The Piedmont region is underlain by bedrock of Precambrian and Paleozoic age comprised of
igneous and metamorphosed igneous and sedimentary rocks (Heath, 1984). The predominant
rock types are gneisses, schists, and metamorphosed granitic rocks (LeGrand, 2004) with
undeformed, unmetamorphosed plutonic rocks also present throughout the Piedmont. These
formations are oriented with the regional geologic structure in parallel belts trending northeast-
southwest. Throughout the Piedmont, the bedrock is overlain by a variably thick regolith that
can consist of any or all of the following horizons: the residual soil, in-situ, clay-rich weathered
rock referred to as saprolite, and alluvial deposits (Heath, 1984).
The rocks of the Milton terrane were formed during the Precambrian era and metamorphosed
during the early to late Paleozoic era (Butler and Secor 1991). The Milton terrane bedrock is
characterized by strongly foliated gneiss and schist, commonly with distinct compositional
layering and having felsic composition – quartzite, calc-silicate gneiss, and marble are minor
units (Carpenter 1982).
The soils that overlie the bedrock in the area have generally formed from the in-place
weathering of the parent bedrock. The fractured bedrock is overlain by a mantle of
unconsolidated material known as regolith. The regolith, where present, includes the soil zone;
a zone of weathered, decomposed bedrock known as saprolite; and alluvium. Saprolite, the
product of chemical and mechanical weathering of the underlying bedrock, is typically
composed of silt and coarser granular material up to boulder size and may reflect the texture of
the rock from which it was formed. The weathering products of felsic rocks may be sandy-
textured and rich in quartz content while mafic rocks form a more clayey saprolite (LeGrand
2004).
A transition zone may occur at the base of the regolith between the soil-saprolite and the
unweathered bedrock. This transition zone of partially weathered rock is a zone of relatively
high permeability compared to the overlying soil-saprolite and the underlying bedrock (LeGrand
2004).
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 4 - SITE GEOLOGY AND HYDROGEOLOGY

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Groundwater flow paths in the Piedmont are almost invariably restricted to the zone underlying
the topographic slope extending from a topographic divide to an adjacent stream. LeGrand
describes this as the local slope aquifer system. Under natural conditions, the general direction
of groundwater flow can be approximated from the surface topography (LeGrand 2004).
Groundwater recharge in the Piedmont is derived entirely from infiltration of local precipitation.
Groundwater recharge occurs in areas of higher topography (i.e., hilltops) and groundwater
discharge occurs in lowland areas bordering surface water bodies, marshes, and floodplains
(LeGrand 2004).
4.2 Site Geology and Hydrogeology
Based on a review of soil boring and monitoring well installation logs provided by Duke Energy,
subsurface stratigraphy consists of the following material types: fill, ash, residuum, alluvium,
saprolite, partially weathered rock (PWR), and bedrock. In general, residuum, saprolite, PWR,
and bedrock were encountered on most areas of the site. Alluvium was restricted to the area
north of the ash basin dike. Based on historic USGS topographic maps, alluvium is also
expected to be present in areas of historical drainage features (i.e., beneath the central and
northern portion of the ash basin). Bedrock was encountered across the site ranging in depth
from approximately 11 feet below ground surface (bgs) north of the ash basin dike to
approximately 80 feet bgs on the western and southern extents of the site. The general
stratigraphic units, in sequence from the ground surface down to boring termination, are defined
as follows:
 Fill – Fill material generally consists of re-worked silts and clays that were borrowed from
one area of the site and re-distributed to other areas. Fill was used in the construction of
embankments such as the ash basin dike.
 Ash – Although previous exploration activities, for which Duke Energy provided boring logs,
did not evaluate BCSS ash management areas, coal ash is expected to be present within
the ash basin.
 Alluvium – Alluvium is unconsolidated soil and sediment that has been eroded and
redeposited by streams and rivers. Alluvium may consist of a variety of materials ranging
from silts and clays to sands and gravels. Alluvium was encountered in one boring located
at the compliance boundary north of the ash basin dike, which is adjacent to a historical
drainage feature in this portion of the site, and consisted of yellowish brown clayey sand
with some organics and little gravel.
 Residuum – Residuum is the in-place weathered soil that generally consists of white,
yellow, red, brown, gray, or olive sandy clay to silty sand. This unit was encountered in
various thicknesses across the site.
 Saprolite – Saprolite is soil developed by in-place weathering of rock similar to the bedrock
that consists of brown, tan, or green silty sand with trace mica. The primary distinction from
residuum is that saprolite typically retains some structure (e.g., mineral banding) from the
parent rock. This unit was found in areas across the site and was generally described as
brown, reddish brown, yellow, and yellowish brown micaceous silty sand with relict rock
structure.
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 4 - SITE GEOLOGY AND HYDROGEOLOGY

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 Partially Weathered Rock (PWR) – PWR occurs between the saprolite and bedrock and
contains saprolite and rock remnants. This unit was described as brown and gray with
micaceous and gneissic rock fragments.
 Bedrock – Bedrock was encountered in borings completed around the western, northern,
and eastern extents of the ash basin, and further south of the basin near Belews Lake.
Depth to top of bedrock ranged from 11 feet to 80 feet bgs. Bedrock was described as
biotite gneiss, biotite quartz gneiss, mica gneiss, and mica schist.

4.3 Groundwater Flow Directions
In 2011, Duke Energy provided Altamont Environmental, Inc. (Altamont) information on the
groundwater monitoring wells installed at the ash basin and information on the water levels in
the ash basin. Altamont utilized this information along with consideration of adjacent bodies of
water and site topography to develop generalized groundwater direction flow arrows for the
areas adjacent to the ash basins. This information was presented in the report titled
Generalized Groundwater Flow Direction Maps for Ash Basins, Duke Energy Carolinas, LLC,
Fossil Stations, December 12, 2011. The report contained figures with similar generalized
groundwater flow arrows for all seven of the Duke Energy Carolinas fossil station ash basins.
The information from that report is used with the permission of Duke Energy.
As stated in Section 3.0 of the Altamont report:
The purpose of the Generalized Ash Basin Groundwater Flow Direction Maps,
Figures 1 through 7, is to provide Duke with an interpretation of the generalized
groundwater flow directions in the areas surrounding the ash basins. The maps
were developed utilizing existing data that were readily available and with data
collected as part of on-going monitoring at the ash basins. No additional field
investigation was conducted as part of the development of the maps.
The maps are not intended to provide absolute groundwater flow direction data at
a specific location. Rather, they are an interpretation of the generalized
groundwater flow direction for the shallow water table based on readily available
data.
As described in the following sections (Section 4.0, Section 5.0, and Section 6.0),
there may be hydrogeologic conditions present at the ash basins that cause
groundwater flow conditions to differ from the generalized groundwater flow
directions shown on Figures 1 through 7.
The generalized groundwater flow directions were determined based on a consideration of the
information described above, most notably that the sites are located in the Piedmont
physiographic province. In addition, the generalizations of typical Piedmont hydrogeology found
in A Master Conceptual Model for Hydrogeological Site Characterization in the Piedmont and
Mountain Region of North Carolina (LeGrand 2004) apply to these sites.
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 4 - SITE GEOLOGY AND HYDROGEOLOGY

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As stated in Section 5.0 of the Altamont report, the possible effects of pumping from adjacent
water supply wells were not considered in the development of the generalized groundwater flow
direction arrows.
The groundwater elevations used in development of the generalized groundwater direction flow
arrows were from the compliance groundwater monitoring wells (compliance wells) monitored in
association with the NPDES permits and from groundwater monitoring wells voluntarily
(voluntary wells) installed by Duke Energy. No groundwater elevation data readings were
performed on the voluntary wells after January 2012. The compliance wells were installed in
2010 and 2011.
Section 7.0 of the Altamont report discusses the development of the generalized groundwater
flow direction arrows and the relative level of confidence in the interpretation of the generalized
flow direction as follows:
Groundwater flow direction arrows are used to depict the interpreted direction of
generalized groundwater flow. Three different colors of arrows were used to
indicate the relative level of confidence in the interpretation of the generalized
groundwater flow direction.
The relative level of confidence in the interpretation of flow direction was
determined by:
 The distance from groundwater monitoring wells or surface water elevation
data
 The number of groundwater data elevation points utilized
 Consideration of the surface topography
Descriptions of the relative confidence levels indicated by groundwater flow
direction arrow colors are as follows:
 Black arrows represent high confidence in the groundwater flow direction
interpretation. The black arrows were used in areas in which there were
several known groundwater or surface water elevation data points and the
surface topography supported the interpretation of groundwater flow
characteristic of typical Piedmont groundwater flow.
 Gray arrows represent moderate confidence in the groundwater flow direction
interpretation. The gray arrows were used in areas where at least one
groundwater or surface water elevation point was known or in areas where
there was strong surface topographic data to support the groundwater flow
direction interpretation.
Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 4 - SITE GEOLOGY AND HYDROGEOLOGY

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 White arrows represent estimated groundwater flow direction interpretation.
The white arrows were used in areas where there was little or no
groundwater or surface water elevation data and there was not conclusive
surface topographic data to support a gray arrow.
Since limited groundwater elevation data readings were performed on the voluntary wells after
January 2012, HDR reviewed the historic groundwater level data available from the compliance
groundwater monitoring wells in conjunction with the current approximate ash basin pond
elevation data.
HDR found the generalized groundwater flow direction arrows presented in the Altamont report
to generally represent the probable direction of groundwater flow for the shallow water table
aquifer based on available data. As stated in the Altamont report, the generalized groundwater
flow direction arrows present an interpretation of flow direction based on data from the shallow
water table aquifer and do not consider the possible effects of pumping from adjacent water
supply wells.
The generalized groundwater flow directions for the area adjacent to the BCSS ash basin are
provided in Figure 3.
Based on the site generalized hydrogeological conceptual model by LeGrand, groundwater
levels measured in the site monitoring wells and the generalized groundwater flow direction
arrows, a potential area of interest with respect to the BCSS ash basin groundwater flow has
been delineated on Figure 3. This area is considered to be potentially downgradient of the
BCSS ash basin, based on available information. The groundwater flow direction on the south
side of the area of interest is inferred due to lack of groundwater data and/or strong topographic
data. Due to the topography surrounding the ash basin, groundwater flow is predominantly
inward toward the basin with the exception of the area in the immediate vicinity of the basin dam
to the north where the flow direction is locally away from the basin. The creek that originates at
the base of the dam is expected to be the groundwater discharge region for groundwater flow
from this area and is considered to be a hydrologic boundary for groundwater flow between the
ash basin and the properties to the north of the property owned by Duke Energy. With the
exception of the private property located northeast of the ash basin, all of the property within the
potential area of interest is owned by Duke Energy.
Duke Energy will be installing additional groundwater monitoring wells onsite as part of a BCSS
ash basin comprehensive site assessment. The groundwater flow across the site will be
reviewed after the new groundwater elevation data from these monitoring wells are available.

Duke Energy Carolinas, LLC | Belews Creek Steam Station Ash Basin
Drinking Water Supply Well and Receptor Survey
SECTION 5 - SUMMARY OF FINDINGS

14
Section 5 - Summary of Findings
A summary of the receptor survey findings is provided below. The identified water supply wells
(including irrigation wells and unused or abandoned wells) are shown on Figure 3. Available
property and well information for the identified wells is provided in Table 1.
 A total of 32 private water supply wells were identified within a 0.5-mile radius of the ash
basin compliance boundary. The Stokes County Environmental Health Department had
records for 8 of the 32 private water supply wells.
 Two of the identified private water supply wells (Well 43 and Well 44) are located within
the BCSS ash basin potential area of interest.
 Fourteen additional private water supply wells are assumed at residences located within
a 0.5-mile radius of the ash basin compliance boundary.
 One public water supply well was identified within a 0.5-mile radius of the ash basin
compliance boundary.
 No wellhead protection areas were identified within a 0.5-mile radius of the ash basin
compliance boundary.
 Several surface water bodies that flow from the topographic divide along Middleton Loop
toward the Dan River were identified within a 0.5-mile radius of the ash basin.
 A report with the results from the water supply well questionnaire mailings will be sent to
NCDENR by November 7, 2014.

Section 6 - References
Altamont Environmental, Inc. Generalized Groundwater Flow Direction Maps for Ash Basins,
Duke Energy Carolinas, LLC, Fossil Stations, December 12, 2011.
Butler, J. R. and Secor, D. T. 1991. The Central Piedmont, p. 59-78, in Horton, J. W., Jr., and
Zullo, V. A., eds., The Geology of the Carolinas: The University of Tennessee Press,
Knoxville, Tennessee, 406p.
Carpenter, P. A., III. 1982. Geologic map of Region G, North Carolina: North Carolina
Department of Natural Resources and Community Development, Geological Survey
Section, Regional Geology Series 2, Scale 1:125,000.
Fenneman, Nevin Melancthon. “Physiography of eastern United States.” McGraw-Hill. 1938.
Harned, D. A. and Daniel, C. C., III. 1992. The transition zone between bedrock and regolith:
Conduit for contamination?, p. 336-348, in Daniel, C. C., III, White, R. K., and Stone, P.
A., eds., Groundwater in the Piedmont: Proceedings of a Conference on Ground Water
in the Piedmont of the Eastern United States, October 16-18, 1989, Clemson University,
693p.
Heath, R.C., 1984, “Ground-water regions of the United States.” U.S. Geological Survey Water-
Supply Paper 2242, 78 p.
LeGrand, Harry, Sr. 2004. A Master Conceptual Model for Hydrogeological Site
Characterization in the Piedmont and Mountain Region of North Carolina, North Carolina
Department of Environment and Natural Resources.

Figures

Tables

Table 1
Public and Private Water Supply Wells
Within 0.5-Mile Radius of Belews Creek Ash Basin Compliance Boundary
Duke Energy Carolinas, LLC/Belews Creek Steam Station
Well ID
(shown on Figure 3)
Public Water
System Name Well Owner/ User Property Address
(well location)Parcel ID Number Reported Well
Use
Approximate
Distance from Ash
Basin Compliance
Boundary (ft)
Direction
from Ash
Basin
Well
Depth
(ft-bgs)
Well
Casing
Depth
(ft-bgs)
Well
Yield
(gpm)
PWS: NC0285432 Withers Chapel UMC Withers Chapel UMC 285432 2793 Pine Hall Rd
Belews Creek, NC 27009 6982-00-79-8715 Transient,
Non-Community 1,350 NE N/A N/A 40
8 N/A Derick L. Cooper 3939 Pine Hall Road
Walnut Cove, NC 27052 6972-00-92-9441 Assumed Domestic 1,520 SW N/A N/A N/A
9 N/A Dry Hollow Primitive Baptist Church 4067 Pine Hall Road
Walnut Cove, NC 27052 6972-00-92-5008 Assumed Domestic 1,680 SW N/A N/A N/A
10 N/A Kevin E. Norman 1320 Old Plantation Road
Walnut Cove, NC 27052 6972-00-84-3844 Assumed Domestic 2,600 W-SW N/A N/A N/A
11 N/A Jena F. Oliver 1180 Old Plantation Road
Walnut Cove, NC 27052 6972-00-94-4178 Assumed Domestic 1,600 W-SW N/A N/A N/A
12 N/A Avery T. Clowney 1190 Old Plantation Road
Walnut Cove, NC 27052 6972-00-84-8281 Assumed Domestic 2,080 W-SW N/A N/A N/A
13 N/A Jeffrey Allen Shortell 1235 Old Plantation Road
Walnut Cove, NC 27052 6972-00-84-3161 Assumed Domestic 2,600 W-SW N/A N/A N/A
14 N/A James T. Hairston 3906 Pine Hall Road
Walnut Cove, NC 27052 6982-00-03-5785 Assumed Domestic 960 SW N/A N/A N/A
15 N/A Herman L. Moore 3965 Pine Hall Road
Walnut Cove, NC 27052 6972-00-92-7363 Assumed Domestic 1,640 SW N/A N/A N/A
16 N/A Herman Willard Moore 3981 Pine Hall Road
Walnut Cove, NC 27052 6972-00-92-6311 Assumed Domestic 1,910 SW N/A N/A N/A
17 N/A William Henry Brown 2588 Martin Luther King Jr. Road
Walnut Cove, NC 27052 6972-00-81-9891 Assumed Domestic 2,600 SW N/A N/A N/A
18 N/A Leslie R. Brathwaite 3857 Pine Hall Road
Walnut Cove, NC 27052 6982-00-02-7581 Assumed Domestic 960 SW N/A N/A N/A
19 N/A Leslie R. Brathwaite 3857 Pine Hall Road
Walnut Cove, NC 27052 6982-00-02-7581 Assumed Domestic 970 SW N/A N/A N/A
20 N/A James B. Dalton Jr.1020 Old Plantation Road
Walnut Cove, NC 27052 6972-00-92-4437 Assumed Domestic 1,760 SW N/A N/A N/A
21 N/A Nannie D. Martin 4011 Pine Hall Road
Walnut Cove, NC 27052 6972-00-91-4415 Assumed Domestic 2,520 SW N/A N/A N/A
22 N/A David Wayne Broadus 1085 Old Plantation Road
Walnut Cove, NC 27052 6972-00-93-1098 Assumed Domestic 16,800 SW N/A N/A N/A
23 N/A Tony L. Ratliff 1115 Old Plantation Road
Walnut Cove, NC 27052 6972-00-93-0491 Assumed Domestic 1,920 SW N/A N/A N/A
24 N/A Georgia Willie Dalton Estate 3881 Pine Hall Road
Walnut Cove, NC 27052 6982-00-02-3366 Assumed Domestic 1,080 SW N/A N/A N/A
32 N/A Darrell T. Westmoreland Revocable
Trust
1245 Middleton Loop
Walnut Cove, NC 27052 6982-00-14-2869 Assumed Domestic 400 W N/A N/A N/A
40 N/A William B. Hairston 2241 Middleton Loop
Walnut Cove, NC 27052 6983-00-40-2365 Assumed Domestic 1,000 N N/A N/A N/A
41 N/A Corey R. Paris 2832 Pine Hall Road
Belews Creek, NC 27009 6982-00-79-2781 Assumed Domestic 920 NE N/A N/A N/A
Public Water Supply Wells
Field Identified Private Supply Wells
Page 1 of 3
Table 1
Public and Private Water Supply Wells
Within 0.5-Mile Radius of Belews Creek Ash Basin Compliance Boundary
Duke Energy Carolinas, LLC/Belews Creek Steam Station
Well ID
(shown on Figure 3)
Public Water
System Name Well Owner/ User Property Address
(well location)Parcel ID Number Reported Well
Use
Approximate
Distance from Ash
Basin Compliance
Boundary (ft)
Direction
from Ash
Basin
Well
Depth
(ft-bgs)
Well
Casing
Depth
(ft-bgs)
Well
Yield
(gpm)
42 N/A Earl Coy Goolsby 2451 Middleton Loop
Walnut Cove, NC 27052 6982-00-69-1695 Assumed Domestic 310 N-NE N/A N/A N/A
43 N/A J. H. Hairston 2481 Middleton Loop
Walnut Cove, NC 27052 6983-00-62-7082 Assumed Domestic 160 NE N/A N/A N/A
44 N/A J. H. Hairston 2481 Middleton Loop
Walnut Cove, NC 27052 6983-00-62-7082 Assumed Domestic 240 NE N/A N/A N/A
45 N/A Keith Goolsby 2461 Middleton Loop
Walnut Cove, NC 27052 6983-00-60-1271 Assumed Domestic 920 N-NE N/A N/A N/A
46 N/A Mark C. Durrett
Across street from Withers Chapel UMC
2816 Pine Hall Rd
Belews Creek, NC 27009
6982-00-79-4809 Domestic 1,180 NE N/A N/A N/A
34 N/A Dan T. and Karen A. Westmoreland 1413 Middleton Loop Rd
Walnut Cove, NC 27052 6982-00-06-5073 Domestic 160 W 185 40 50
27 N/A James Michael Byrd 1184 Old Plantation Rd
Walnut Cove, NC 27052 6972-00-94-8482 Domestic 1,210 SW N/A N/A N/A
26 N/A Toney Gray Wilson 1140 Old Plantation Rd
Walnut Cove, NC 27052 6972-00-93-3833 Domestic 1,580 SW N/A N/A N/A
28 N/A Frank O. Sechrest 1051 Old Plantation Rd
Walnut Cove, NC 27052 6972-00-83-5098 Domestic 2,170 SW 825 82 2
25 N/A LCW Associates LLC 3946 Pine Hall Rd
Walnut Cove, NC 27052 6972-00-93-5203 Domestic 1,550 SW 305 115 15
29 N/A Jessica C. Baker 3951 Pine Hall Rd
Walnut Cove, NC 27052 6972-00-92-8374 Domestic 1,520 SW 205 75 2
30 N/A James T. Hairston 3854 Pine Hall Rd
Walnut Cove, NC 27052 6982-00-03-5785 Domestic 630 SW 205 85 15
1 N/A Bruce A. Delgarbino 1220 Old Plantation Rd
Walnut Cove, NC 27052 6972-00-94-2658 Private, Unknown 2,400 W-SW N/A N/A N/A
2 N/A Felicia Denise C. Lowe Steele 3921 Pine Hall Road
Walnut Cove, NC 27052 6982-00-02-0498 Private, Unknown 1,360 SW N/A N/A N/A
3 N/A Frank O. Sechrest 1051 Old Plantation Rd
Walnut Cove, NC 27052 6972-00-83-5098 Private, Unknown 1,880 SW N/A N/A N/A
4 N/A George William Dalton 1050 Georgia Road
Walnut Cove, NC 27052 6982-00-01-4573 Private, Unknown 1,560 SW N/A N/A N/A
5 N/A Laura Jane Williams 3942 Pine Hall Road
Walnut Cove, NC 27052 6972-00-93-8159 Private, Unknown 1,280 SW N/A N/A N/A
6 N/A Harry W. Wilson III 1045 Old Plantation Road
Walnut Cove, NC 27052 6972-00-72-6478 Private, Unknown 2,000 SW N/A N/A N/A
7 N/A Georgia Willie Dalton Estate 3881 Pine Hall Road
Walnut Cove, NC 27042 6982-00-02-3366 Private, Unknown 1,240 SW N/A N/A N/A
31 N/A Dan T. and Karen A. Westmoreland 1397 Middleton Loop
Walnut Cove, NC 27052 6982-00-06-5073 Private, Unknown 1,000 W N/A N/A N/A
33 N/A Howard Leon Gibson III 2766 Pine Hall Road
Belews Creek, NC 27009 6983-00-70-8158 Private, Unknown 1,600 NE N/A N/A N/A
Reported Water Supply Wells
Assumed Water Supply Wells
Page 2 of 3
Table 1
Public and Private Water Supply Wells
Within 0.5-Mile Radius of Belews Creek Ash Basin Compliance Boundary
Duke Energy Carolinas, LLC/Belews Creek Steam Station
Well ID
(shown on Figure 3)
Public Water
System Name Well Owner/ User Property Address
(well location)Parcel ID Number Reported Well
Use
Approximate
Distance from Ash
Basin Compliance
Boundary (ft)
Direction
from Ash
Basin
Well
Depth
(ft-bgs)
Well
Casing
Depth
(ft-bgs)
Well
Yield
(gpm)
35 N/A Donald H. Gibson
Shared drive with 2465 Middleton Loop
Middleton Loop
Walnut Cove, NC 27052
6983-00-51-8097 Private, Unknown 1,680 N-NE N/A N/A N/A
36 N/A J. H. Hairston 2481 Middleton Loop
Walnut Cove, NC 27052 6983-00-62-7082 Private, Unknown 320 N-NE N/A N/A N/A
37 N/A Mark C. Durrett 2690 Pine Hall Rd
Belews Creek, NC 27009 6983-00-80-3799 Private, Unknown 2,480 NE N/A N/A N/A
38 N/A Ruth Goolsby Dalton 2465 Middleton Loop
Walnut Cove, NC 27052 6983-00-50-8497 Private, Unknown 1,080 N-NE N/A N/A N/A
39 N/A Mark C. Durrett
Shared drive with 2690 Pine Hall Road
Pine Hall Road
Belews Creek, NC 27009
6983-00-72-6607 Private, Unknown 1,880 NE N/A N/A N/A
Notes:
1. Well locations are shown on Figure 3.
4. N/A indicates not available.
6. (gpm) indicates gallons per minute.
5. (ft-bgs) indicates feet below ground surface.
3. Distances between water supply wells and the ash basin compliance boundary are approximate.
2. Owner and property address information for water supply wells obtained from the Stokes County online database.
Page 3 of 3

Appendix A
EDR GeoCheck Report
Belews Creek Steam Station
3195 Pine Hall Road, Walnut Grove, NC
Inquiry Number: 4074371.1s
September 22, 2014

FORM-NULL-SPM
tropeR ®kcehCoeG RDE ehT
6 Armstrong Road, 4th floor
Shelton, CT 06484
Toll Free: 800.352.0050
www.edrnet.com
Belews Creek Steam Station
3195 PINE HALL RD
Walnut Cove, NC 27052
Inquiry Number: 4074371.1s
September 22, 2014
SECTION PAGE
GEOCHECK ADDENDUM
Physical Setting Source Addendum A-1
Physical Setting Source Summary A-2
Physical Setting Source Map A-8
Physical Setting Source Map Findings A-9
Physical Setting Source Records Searched PSGR-1
TC4074371.1s Page 1
Thank you for your business.
Please contact EDR at 1-800-352-0050
with any questions or comments.
Disclaimer - Copyright and Trademark Notice
This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data
Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from
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TABLE OF CONTENTS
TC4074371.1s Page 1
geologic strata.
of the soil, and nearby wells. Groundwater flow velocity is generally impacted by the nature of the
Groundwater flow direction may be impacted by surface topography, hydrology, hydrogeology, characteristics
2. Groundwater flow velocity.
1. Groundwater flow direction, and
Assessment of the impact of contaminant migration generally has two principal investigative components:
forming an opinion about the impact of potential contaminant migration.
EDR’s GeoCheck Physical Setting Source Addendum is provided to assist the environmental professional in
2000Most Recent Revision:
36080-C1 BELEWS LAKE, NCTarget Property Map:
USGS TOPOGRAPHIC MAP
761 ft. above sea levelElevation:
4016522.5UTM Y (Meters):
583233.4UTM X (Meters):
Zone 17Universal Tranverse Mercator:
80.0731 - 80˚ 4’ 23.16’’Longitude (West):
36.2919 - 36˚ 17’ 30.84’’Latitude (North):
TARGET PROPERTY COORDINATES
WALNUT COVE, NC 27052
3195 PINE HALL RD
BELEWS CREEK STEAM STATION
TARGET PROPERTY ADDRESS
®GEOCHECK - PHYSICAL SETTING SOURCE REPORT ®
TC4074371.1s Page 2
should be field verified.
on a relative (not an absolute) basis. Relative elevation information between sites of close proximity
Source: Topography has been determined from the USGS 7.5’ Digital Elevation Model and should be evaluated
SURROUNDING TOPOGRAPHY: ELEVATION PROFILES
Elevation (ft)Elevation (ft)TP
TP
0 1/2 1 Miles✩Target Property Elevation: 761 ft.
North South
West East778826848864854792761761761761761761761709723726719671657741734766789791760773761761761761762776809799768789723731General WestGeneral Topographic Gradient:
TARGET PROPERTY TOPOGRAPHY
should contamination exist on the target property, what downgradient sites might be impacted.
assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or,
Surface topography may be indicative of the direction of surficial groundwater flow. This information can be used to
TOPOGRAPHIC INFORMATION
collected on nearby properties, and regional groundwater flow information (from deep aquifers).
sources of information, such as surface topographic information, hydrologic information, hydrogeologic data
using site-specific well data. If such data is not reasonably ascertainable, it may be necessary to rely on other
Groundwater flow direction for a particular site is best determined by a qualified environmental professional
GROUNDWATER FLOW DIRECTION INFORMATION
®GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY®
TC4074371.1s Page 3
Not Reported
GENERAL DIRECTIONLOCATION
GROUNDWATER FLOWFROM TPMAP ID
hydrogeologically, and the depth to water table.
authorities at select sites and has extracted the date of the report, groundwater flow direction as determined
flow at specific points. EDR has reviewed reports submitted by environmental professionals to regulatory
EDR has developed the AQUIFLOW Information System to provide data on the general direction of groundwater
AQUIFLOW®
Search Radius: 1.000 Mile.
contamination exist on the target property, what downgradient sites might be impacted.
environmental professional in forming an opinion about the impact of nearby contaminated properties or, should
of groundwater flow direction in the immediate area. Such hydrogeologic information can be used to assist the
Hydrogeologic information obtained by installation of wells on a specific site can often be an indicator
HYDROGEOLOGIC INFORMATION
YES - refer to the Overview Map and Detail MapBELEWS LAKE
NATIONAL WETLAND INVENTORY
NWI Electronic
Data CoverageNWI Quad at Target Property
Not ReportedAdditional Panels in search area:
37169C - FEMA DFIRM Flood dataFlood Plain Panel at Target Property:
YES - refer to the Overview Map and Detail MapSTOKES, NC
FEMA FLOOD ZONE
FEMA Flood
Electronic DataTarget Property County
and bodies of water).
Refer to the Physical Setting Source Map following this summary for hydrologic information (major waterways
contamination exist on the target property, what downgradient sites might be impacted.
the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should
Surface water can act as a hydrologic barrier to groundwater flow. Such hydrologic information can be used to assist
HYDROLOGIC INFORMATION
®GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY®
TC4074371.1s Page 4

> 60 inchesDepth to Bedrock Max:
> 60 inchesDepth to Bedrock Min:
HIGH Corrosion Potential - Uncoated Steel:
Hydric Status: Soil does not meet the requirements for a hydric soil.
water table is more than 6 feet.
Well drained. Soils have intermediate water holding capacity. Depth toSoil Drainage Class:
textures.
moderately well and well drained soils with moderately coarse
Class B - Moderate infiltration rates. Deep and moderately deep,Hydrologic Group:
fine sandy loamSoil Surface Texture:
PACOLET Soil Component Name:
The following information is based on Soil Conservation Service STATSGO data.
in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed (SSURGO) soil survey maps.
for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns
Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information
The U.S. Department of Agriculture’s (USDA) Soil Conservation Service (SCS) leads the National Cooperative Soil
DOMINANT SOIL COMPOSITION IN GENERAL AREA OF TARGET PROPERTY
Map, USGS Digital Data Series DDS - 11 (1994).
of the Conterminous U.S. at 1:2,500,000 Scale - a digital representation of the 1974 P.B. King and H.M. Beikman
Geologic Age and Rock Stratigraphic Unit Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology
ROCK STRATIGRAPHIC UNIT GEOLOGIC AGE IDENTIFICATION
Metamorphic RocksCategory:PaleozoicEra:
PennsylvanianSystem:
Felsic paragneiss and schistSeries:
mm1Code: (decoded above as Era, System & Series)
at which contaminant migration may be occurring.
Geologic information can be used by the environmental professional in forming an opinion about the relative speed
GEOLOGIC INFORMATION IN GENERAL AREA OF TARGET PROPERTY
move more quickly through sandy-gravelly types of soils than silty-clayey types of soils.
characteristics data collected on nearby properties and regional soil information. In general, contaminant plumes
to rely on other sources of information, including geologic age identification, rock stratigraphic unit and soil
using site specific geologic and soil strata data. If such data are not reasonably ascertainable, it may be necessary
Groundwater flow velocity information for a particular site is best determined by a qualified environmental professional
GROUNDWATER FLOW VELOCITY INFORMATION
®GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY®
TC4074371.1s Page 5
weathered bedrock
fine sandy loamDeeper Soil Types:
silty clay loam
clay loam
silt loam
sandy clay loam
clayShallow Soil Types:
loam
sandy loam
gravelly - sandy loam
clay loamSurficial Soil Types:
loam
sandy loam
gravelly - sandy loam
clay loamSoil Surface Textures:
appear within the general area of target property.
Based on Soil Conservation Service STATSGO data, the following additional subordinant soil types may
OTHER SOIL TYPES IN AREA
Min: 4.50
Max: 6.00
Min: 0.60
Max: 2.00
Silty Sand.
Sands with fines,
SOILS, Sands,
COARSE-GRAINED
Soils.
200), Silty
passing No.
than 35 pct.
Materials (more
Silt-Claysandy loam70 inches52 inches 4
Min: 4.50
Max: 6.00
Min: 0.60
Max: 2.00
50%), Lean Clay
limit less than
Clays (liquid
SOILS, Silts and
FINE-GRAINED
and Sand.
Clayey Gravel
200), Silty, or
passing No.
pct. or less
materials (35
Granularclay loam52 inches29 inches 3
Min: 4.50
Max: 6.00
Min: 0.60
Max: 2.00
50%), silt.
limit less than
Clays (liquid
SOILS, Silts and
FINE-GRAINED
Soils.
200), Clayey
passing No.
than 35 pct.
Materials (more
Silt-Claysandy clay29 inches 3 inches 2
Min: 4.50
Max: 6.50
Min: 2.00
Max: 6.00
Silty Sand.
Sands with fines,
SOILS, Sands,
COARSE-GRAINED
and Sand.
Clayey Gravel
200), Silty, or
passing No.
pct. or less
materials (35
Granularfine sandy loam 3 inches 0 inches 1
Soil Layer Information
Boundary Classification
Permeability
Rate (in/hr)
Layer Upper Lower Soil Texture Class AASHTO Group Unified Soil Soil Reaction
(pH)
®GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY®
TC4074371.1s Page 6
Natural Community Occurrence NC50015119
Natural Community Occurrence NC50011331
Animal NC50003670
Natural Community Occurrence NC50002274
_________ ___
Class ID
NORTH CAROLINA NATURAL HERITAGE ELEMENT OCCURRENCES
OTHER STATE DATABASE INFORMATION
1/2 - 1 Mile NENC2000000009110 1
STATE DATABASE WELL INFORMATION
LOCATION
FROM TPWELL IDMAP ID
Note: PWS System location is not always the same as well location.
1 - 2 Miles SENC0285495 4
FEDERAL FRDS PUBLIC WATER SUPPLY SYSTEM INFORMATION
LOCATION
FROM TPWELL IDMAP ID
1 - 2 Miles NNWUSGS40000896441 3
1 - 2 Miles NNWUSGS40000896423 2
FEDERAL USGS WELL INFORMATION
LOCATION
FROM TPWELL IDMAP ID
1.500State Database
1.500Federal FRDS PWS
1.500Federal USGS
WELL SEARCH DISTANCE INFORMATION
SEARCH DISTANCE (miles)DATABASE
opinion about the impact of contaminant migration on nearby drinking water wells.
professional in assessing sources that may impact ground water flow direction, and in forming an
EDR Local/Regional Water Agency records provide water well information to assist the environmental
LOCAL / REGIONAL WATER AGENCY RECORDS
®GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY®
TC4074371.1s Page 7
DAN RIVER (STOKES) AQUATIC HABITAT NC10003359
TOWN FORK CREEK BOTTOMLANDS NC10000155
_________ ___
Name ID
NORTH CAROLINA SIGNIFICANT NATURAL HERITAGE AREAS DATABASE:
Natural Community Occurrence NC50018706
_________ ___
Class ID
NORTH CAROLINA NATURAL HERITAGE ELEMENT OCCURRENCES
GEOCHECK - PHYSICAL SETTING SOURCE SUMMARY
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68
64060 0
640600 760680680600
680600640 6 00
8 40
6 0 0 6 0 0680
6 8 0
68 0640 6406 4 0
680 600
840840600680
760
64064064040
80 0 808008008
0
0
6 4 0600600 600
6006 0 0
600
6 0 0
60 0
600600
0 760 760760640
6 4 0
6
4
0
640 6406 4 072720
7 2800
7607208008 0 0
76080
07
609 2 0
8408000 8 40800
760840
840760 8 0 0
8 8 0880
8 8 0
840
6 8 0
680
680680
6 8 0
6806 80
6 806 80680
8008408 4 0
8408408 00840
8 4 0
8 40
84 0800
840760800 7
2084
0800840 72
7 2 0
720
720720720
7 2 0
7 2 0720720
7 2 0
720
840840008008 0
8
8008
00800
800 7 6 0 7607 6
76 07 60
760
7607
6084 0
840840 8
4
0
840
840840
8 40840
840
408 008 0 0
8 0 0 80080 0
80 0
8 0 0 8008 0 0
8 00
8 00
8008008008
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7 60760 76 0
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7 6 0
7 6 0760 76 0767 60
7 6 0
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760
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60760408007760 NC
TC4074371.1s Page 9
Ground-water levels, Number of Measurements: 0
Not ReportedWellholedepth units:
Not ReportedWellholedepth:ftWelldepth units:
45Welldepth:Not ReportedConstruction date:
Not ReportedAquifer type:
Triassic Sedimentary RocksFormation type:
Early Mesozoic basin aquifersAquifername:
USCountrycode:Not ReportedVert coord refsys:
Not ReportedVertcollection method:
Not ReportedVert accmeasure units:
Not ReportedVertacc measure val:Not ReportedVert measure units:
Not ReportedVert measure val:NAD83Horiz coord refsys:
Interpolated from mapHoriz Collection method:
secondsHoriz Acc measure units:1Horiz Acc measure:
Not ReportedSourcemap scale:-80.0850435Longitude:
36.3070814Latitude:Not ReportedContrib drainagearea units:
Not ReportedContrib drainagearea:Not ReportedDrainagearea Units:
Not ReportedDrainagearea value:Not ReportedHuc code:
Not ReportedMonloc desc:
WellMonloc type:
SO-110Monloc name:
USGS-361825080050701Monloc Identifier:
USGS North Carolina Water Science CenterFormal name:
USGS-NCOrg. Identifier:
2
NNW
1 - 2 Miles
Lower
USGS40000896423FED USGS
NC2000000009110Site id:
WITHERS CHAPEL UMC_285432Owner name:
Not ReportedWell dep 1:
0Well depth:
AAvailavili:
-80.058751Longitude :
36.300304Latitude m:
W01Facility a:
WELL #1Facility n:
GWWater type:
GWPrimary so:
PINE HALLCity:
STOKESCounty:
NCPws type:
WITHERS CHAPEL UMCSystem nam:
NC0285432Pwsidentif:
1
NE
1/2 - 1 Mile
Higher
NC2000000009110NC WELLS
Map ID
Direction
Distance
Elevation EDR ID NumberDatabase
®GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS®
TC4074371.1s Page 10
28078Contact zip:
HUNTEVILLEContact city:
1339 HAGERS FAIRVIEW RDContact address2:
Not ReportedContact address1:Not ReportedContact phone:
Not ReportedOriginal name:
RODNEY WIKEContact name:
disinfectionTreatment objective:
gaseous chlorination, postTreatment process:Treatment_plantFacility type:
TREATMENT ROOMFacility name:
10936Facility id:
PrivateOwner type:ClosedStatus:
NTNCWSPws type:
GroundwaterPWS Source:
9Pwssvcconn:179Population Served:
DUKE POWER-BELEWS CREEK STEAMPws name:
StokesCounty:NCState:
04Epa region:NC0285495Pwsid:
4
SE
1 - 2 Miles
Higher
NC0285495FRDS PWS
Ground-water levels, Number of Measurements: 0
Not ReportedWellholedepth units:
Not ReportedWellholedepth:ftWelldepth units:
95Welldepth:Not ReportedConstruction date:
Not ReportedAquifer type:
Triassic Sedimentary RocksFormation type:
Early Mesozoic basin aquifersAquifername:
USCountrycode:Not ReportedVert coord refsys:
Not ReportedVertcollection method:
Not ReportedVert accmeasure units:
Not ReportedVertacc measure val:Not ReportedVert measure units:
Not ReportedVert measure val:NAD83Horiz coord refsys:
Interpolated from mapHoriz Collection method:
secondsHoriz Acc measure units:1Horiz Acc measure:
Not ReportedSourcemap scale:-80.0839324Longitude:
36.3093036Latitude:Not ReportedContrib drainagearea units:
Not ReportedContrib drainagearea:Not ReportedDrainagearea Units:
Not ReportedDrainagearea value:Not ReportedHuc code:
Not ReportedMonloc desc:
WellMonloc type:
SO-109Monloc name:
USGS-361833080050301Monloc Identifier:
USGS North Carolina Water Science CenterFormal name:
USGS-NCOrg. Identifier:
3
NNW
1 - 2 Miles
Lower
USGS40000896441FED USGS
Map ID
Direction
Distance
Elevation EDR ID NumberDatabase
®GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS®
TC4074371.1s Page 11
State Formal NOV IssuedEnf. Action:2000-02-04Enforcement Date:
0004090Violation ID:
1999-10-01 - 1999-12-31Compliance Period:
COLIFORM (TCR)Contaminant:
Monitoring, Routine Major (TCR)Violation Type:
DUKE POWER-BELEWS CREEK STSystem Name:
ENFORCEMENT INFORMATION:
111593Vio. Awareness Date:
COLIFORM (TCR)Contaminant:
Monitoring, Routine Major (TCR)Violation Type:
Not ReportedAnalysis Method:
Not ReportedMaximum Contaminant Level:Not ReportedAnalysis Result:
Not ReportedNumber of Samples Taken:Not ReportedNum required Samples:
001 MonthsVio. Period:10/31/93Vio. end Date:10/01/93Vio. beginning Date:
Not ReportedPWS Phone:000Source ID:9400419Violation ID:
061594Vio. Awareness Date:
NITRATEContaminant:
Monitoring, RegularViolation Type:
Not ReportedAnalysis Method:
Not ReportedMaximum Contaminant Level:Not ReportedAnalysis Result:
000Number of Samples Taken:000Num required Samples:
003 MonthsVio. Period:12/31/93Vio. end Date:10/01/93Vio. beginning Date:
Not ReportedPWS Phone:Not ReportedSource ID:9408781Violation ID:
VIOLATIONS INFORMATION:
YESPWS currently has or had major violation(s) or enforcement:
00000181Population:TreatedTreatment Class:
WALNUT COVECity Served:
080 03 34Facility Longitude:36 16 31Facility Latitude:
HUNTERSVILLE, NC 28078
13339 HAGERS FERRY RD
DUKE POWER COMPANY
System Owner/Responsible PartyAddressee / Facility:
WALNUT COVE, NC 27052
PO BOX 557
JIM BURNETTE OR MANAGER NOW
System Owner/Responsible PartyAddressee / Facility:
WALNUT COVE, NC 27052
DUKE POWER-BELEWS CREEK STEAMPWS Name:
Not ReportedDate Deactivated:7706Date Initiated:
NC0285495PWS ID:
disinfectionTreatment objective:
gaseous chlorination, postTreatment process:WellFacility type:
WELL #2Facility name:
23887Facility id:
disinfectionTreatment objective:
gaseous chlorination, postTreatment process:WellFacility type:
WELL #1Facility name:
23886Facility id:
®GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS®
TC4074371.1s Page 12
State Public Notif RequestedEnf. Action:2000-02-04Enforcement Date:
0004090Violation ID:
1999-10-01 - 1999-12-31Compliance Period:
COLIFORM (TCR)Contaminant:
Monitoring, Routine Major (TCR)Violation Type:
DUKE POWER-BELEWS CREEK STSystem Name:
ENFORCEMENT INFORMATION:
®GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS®
TC4074371.1s Page 13
NC10003359NC_SNHA
102.56Acres per Polygon:
Not ReportedQuality:
TOWN FORK CREEK BOTTOMLANDSSite Name:
NC10000155NC_SNHA
ExtantOccurrence Status:
Natural Community OccurrenceClassification by Type:
43007GIS ID:
NC50018706NC_NHEO
ExtantOccurrence Status:
Natural Community OccurrenceClassification by Type:
91640GIS ID:
NC50015119NC_NHEO
ExtantOccurrence Status:
Natural Community OccurrenceClassification by Type:
461126GIS ID:
NC50011331NC_NHEO
ExtantOccurrence Status:
AnimalClassification by Type:
92548GIS ID:
NC50003670NC_NHEO
ExtantOccurrence Status:
Natural Community OccurrenceClassification by Type:
62321GIS ID:
NC50002274NC_NHEO
Map ID
Direction
Distance EDR ID NumberDatabase
®GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS®
TC4074371.1s Page 14
567.8Acres per Polygon:
Not ReportedQuality:
DAN RIVER (STOKES) AQUATIC HABITATSite Name:
North Carolina - Significant Natural Heritage Areas:
®GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS®
TC4074371.1s Page 15
Not ReportedNot ReportedNot ReportedNot ReportedBasement
Not ReportedNot ReportedNot ReportedNot ReportedLiving Area - 2nd Floor
0%0%100%0.400 pCi/LLiving Area - 1st Floor
% >20 pCi/L% 4-20 pCi/L% <4 pCi/LAverage ActivityArea
Number of sites tested: 2
Federal Area Radon Information for Zip Code: 27052
: Zone 3 indoor average level < 2 pCi/L.
: Zone 2 indoor average level >= 2 pCi/L and <= 4 pCi/L.
Note: Zone 1 indoor average level > 4 pCi/L.
Federal EPA Radon Zone for STOKES County: 2
2.32.32.301
1.50.50.834
__________________________________
Max pCi/LMin pCi/LAvg pCi/LNum Results
Radon Test Results
State Database: NC Radon
AREA RADON INFORMATION
®GEOCHECK - PHYSICAL SETTING SOURCE MAP FINDINGS
RADON
®
TOPOGRAPHIC INFORMATION
USGS 7.5’ Digital Elevation Model (DEM)
Source: United States Geologic Survey
EDR acquired the USGS 7.5’ Digital Elevation Model in 2002 and updated it in 2006. The 7.5 minute DEM corresponds
to the USGS 1:24,000- and 1:25,000-scale topographic quadrangle maps. The DEM provides elevation data
with consistent elevation units and projection.
HYDROLOGIC INFORMATION
Flood Zone Data: This data, available in select counties across the country, was obtained by EDR in 2003 & 2011 from the Federal
Emergency Management Agency (FEMA). Data depicts 100-year and 500-year flood zones as defined by FEMA.
NWI: National Wetlands Inventory. This data, available in select counties across the country, was obtained by EDR
in 2002, 2005 and 2010 from the U.S. Fish and Wildlife Service.
State Wetlands Data: Wetlands Inventory
Source: Department of Environment & Natural Resources
Telephone: [phone]
HYDROGEOLOGIC INFORMATION
AQUIFLOW Information SystemR
Source: EDR proprietary database of groundwater flow information
EDR has developed the AQUIFLOW Information System (AIS) to provide data on the general direction of groundwater
flow at specific points. EDR has reviewed reports submitted to regulatory authorities at select sites and has
extracted the date of the report, hydrogeologically determined groundwater flow direction and depth to water table
information.
GEOLOGIC INFORMATION
Geologic Age and Rock Stratigraphic Unit
Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology of the Conterminous U.S. at 1:2,500,000 Scale - A digital
representation of the 1974 P.B. King and H.M. Beikman Map, USGS Digital Data Series DDS - 11 (1994).
STATSGO: State Soil Geographic Database
Source: Department of Agriculture, Natural Resources Conservation Services
The U.S. Department of Agriculture’s (USDA) Natural Resources Conservation Service (NRCS) leads the national
Conservation Soil Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil
survey information for privately owned lands in the United States. A soil map in a soil survey is a representation
of soil patterns in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed (SSURGO)
soil survey maps.
SSURGO: Soil Survey Geographic Database
Source: Department of Agriculture, Natural Resources Conservation Services (NRCS)
Telephone: [phone]
SSURGO is the most detailed level of mapping done by the Natural Resources Conservation Services, mapping
scales generally range from 1:12,000 to 1:63,360. Field mapping methods using national standards are used to
construct the soil maps in the Soil Survey Geographic (SSURGO) database. SSURGO digitizing duplicates the
original soil survey maps. This level of mapping is designed for use by landowners, townships and county
natural resource planning and management.
TC4074371.1s Page PSGR-1
PHYSICAL SETTING SOURCE RECORDS SEARCHED
LOCAL / REGIONAL WATER AGENCY RECORDS
FEDERAL WATER WELLS
PWS: Public Water Systems
Source: EPA/Office of Drinking Water
Telephone: [phone]
Public Water System data from the Federal Reporting Data System. A PWS is any water system which provides water to at
least 25 people for at least 60 days annually. PWSs provide water from wells, rivers and other sources.
PWS ENF: Public Water Systems Violation and Enforcement Data
Source: EPA/Office of Drinking Water
Telephone: [phone]
Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System (SDWIS) after
August 1995. Prior to August 1995, the data came from the Federal Reporting Data System (FRDS).
USGS Water Wells: USGS National Water Inventory System (NWIS)
This database contains descriptive information on sites where the USGS collects or has collected data on surface
water and/or groundwater. The groundwater data includes information on wells, springs, and other sources of groundwater.
STATE RECORDS
North Carolina Public Water Supply Wells
Source: Department of Environmental Health
Telephone: [phone]
OTHER STATE DATABASE INFORMATION
NC Natural Areas: Significant Natural Heritage Areas
Source: Center for Geographic Information and Analysis
Telephone: [phone]
A polygon converage identifying sites (terrestrial or aquatic that have particular biodiversity significance.
A site’s significance may be due to the presenceof rare species, rare or hight quality natural communities, or
other important ecological features.
NC Game Lands: Wildlife Resources Commission Game Lands
Source: Center for Geographic Information and Analysis
Telephone: [phone]
All publicly owned game lands managed by the North Carolina Wildlife Resources Commission and as listed in Hunting
and Fishing Maps.
NC Natural Heritage Sites: Natural Heritage Element Occurrence Sites
Source: Center for Geographic Information and Analysis
Telephone: [phone]
A point coverage identifying locations of rare and endangered species, occurrences of exemplary or unique natural
ecosystems (terrestrial or aquatic), and special animal habitats (e.g., colonial waterbird nesting sites).
RADON
State Database: NC Radon
Source: Department of Environment & Natural Resources
Telephone: [phone]
Radon Statistical and Non Statiscal Data
Area Radon Information
Source: USGS
Telephone: [phone]
The National Radon Database has been developed by the U.S. Environmental Protection Agency
(USEPA) and is a compilation of the EPA/State Residential Radon Survey and the National Residential Radon Survey.
The study covers the years 1986 - 1992. Where necessary data has been supplemented by information collected at
private sources such as universities and research institutions.
TC4074371.1s Page PSGR-2
PHYSICAL SETTING SOURCE RECORDS SEARCHED
EPA Radon Zones
Source: EPA
Telephone: [phone]
Sections 307 & 309 of IRAA directed EPA to list and identify areas of U.S. with the potential for elevated indoor
radon levels.
OTHER
Airport Landing Facilities: Private and public use landing facilities
Source: Federal Aviation Administration, 800-457-6656
Epicenters: World earthquake epicenters, Richter 5 or greater
Source: Department of Commerce, National Oceanic and Atmospheric Administration
Earthquake Fault Lines: The fault lines displayed on EDR’s Topographic map are digitized quaternary faultlines, prepared
in 1975 by the United State Geological Survey
STREET AND ADDRESS INFORMATION
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and other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subject
to the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material.
TC4074371.1s Page PSGR-3
PHYSICAL SETTING SOURCE RECORDS SEARCHED