NC0003468_3. DRSS CAP Part 2_Figures_FINAL_20160210

Figures

This page intentionally left blank
NOTES:
1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
2. WASTE BOUNDARY IS APPROXIMATE.
3. AS -BUILT MONITORING WELL LOCATIONS PROVIDED BY DUKE ENERGY.
4. COMPLIANCE SHALLOW MONITORING WELLS (S) ARE SCREENED ACROSS THE SURFICIAL WATER TABLE.
5. COMPLIANCE DEEP MONITORING WELLS (D) ARE SCREENED IN THE TRANSITION ZONE BETWEEN COMPETENT BEDROCK AND REGOLITH.
6. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE (DATED 2010)
7. AERIAL PHOTOGRAPHY WAS OBTAINED FROM WSP DATED APRIL 2014.
8. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0307 (a).
9. PROPOSED WELL LOCATIONS ARE APPROXIMATE AND MAY BE ADJUSTED BASED ON FIELD CONDITIONS.
10. SEEP SAMPLE LOCATIONS WERE OBTAINED BY HDR USING A TRIMBLE HANDHELD GPS UNIT.
11. HYDROGRAPHY WAS OBTAINED FROM THE PROVISIONAL JURISDICTIONAL WATERS MAP (USACE APPROVAL PENDING), PROVIDED BY AMEC
FOSTER WHEELER, DATED MAY 29, 2015.
SCALE (FEET)
150, 0 150, 300,
/' = 300,
F)l
LEGEND:
— — — — —
— DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH STORAGE AREA BOUNDARY
COMPLIANCE BOUNDARY
COMPLIANCE BOUNDARY COINCIDENT WITH DUKE PROPERTY
BOUNDARY
STREAM
WETLANDS
— _ _ _ _
— LANDFILL- LAND CLEARING & INERT DEBRIS (LCID)
TOPOGRAPHIC CONTOUR (4-FT INTERVAL)
ASH BASIN COMPLIANCE GROUNDWATER
®
MONITORING WELL LOCATIONS
ASH BASIN VOLUNTARY GROUNDWATER
Q
MONITORING WELL LOCATIONS
d
GROUNDWATER MONITORING WELL LOCATIONS
SOIL BORING LOCATIONS
SURFACE WATER AND SEDIMENT SAMPLE LOCATION
®
AREA OF WETNESS SAMPLE LOCATIONS
TEMPORARY GROUNDWATER ASSESSMENT LOCATIONS
--=
NCDEQ SAMPLE LOCATIONS
RIVER FLOW DIRECTION
SITE SAMPLING LOCATIONS
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
FEBRUARY 2016
FIGURE
21

D a n R i v e r
U U
N N
N N
A A
M M
E E
D D
S S
T T
R R
E E
A A
M M
UNNAMED STREAMUNNAMED STREAM
S
R
-
1
7
7
9
AB5SAB5S521.88521.88
AB10SAB10S520.04520.04
AB10SLAB10SL498.51498.51
AB25SAB25S495.48495.48
AB30SAB30S514.09514.09
BG5SBG5S507.26507.26
GWA1SGWA1S569.14569.14 GWA2SGWA2S562.48562.48
GWA3SGWA3S552.67552.67
GWA4SGWA4S506.09506.09
GWA6SGWA6S486.91486.91
GWA7SGWA7S525.58525.58
GWA8SGWA8S568.01568.01
GWA9SGWA9S580.3580.3
GWA10SGWA10S523.18523.18
GWA11SGWA11S540.04540.04
GWA12SGWA12S571.23571.23 GWA14SGWA14S490.97490.97
GWA15SGWA15SDRYDRY
MW10MW10DRYDRY
MW12MW12571.17571.17
MW20SMW20S555.74555.74
MW21SMW21S493.74493.74
MW22SMW22S484.3484.3MW9MW9DRYDRY
570'570'
560'560'
550'550'
540'540'
530'530'
520'520'
510'510'
500'500'
490'490'
580'580'
520'520'
510'510'
560'560'
500'500'
ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
FIGURE
FEBRUARY 2016
2-2
PAT
H
:

\
\
S
A
C
-
S
R
V

0
1
\
G
I
S
\
P
R
O
J
E
C
T
S
\
D
U

K
E
E
N
E
R
G
Y
\
A
S
H
B
A
S
I
N
\
M

A
P
_

D
O
C
S
\
D
A
N
R
I
V

E
R
\
C
A
P
_

I
I
\
R
E
P
O
R
T
_

D
A
N
R
V

_

A
N
S
I
B
_

G
W

_

C
O
N
T
O
U

R
_

S
_

W

E
L
L
_

C
O
N
T
O
U

R
S
.
M

X
D

-

U

S
E
R
:

G
P
O
P
U

L
I
S

-

D
A
T
E
:

1
2
/
1
8
/
2
0
1
5
LEGEND:
GROUNDWATER ASSESSMENT MONITORING WELL
COMPLIANCE GROUNDWATER MONITORING WELL
VOLUNTARY GROUNDWATER MONITORING WELL
GROUNDWATER CONTOUR LINE
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARYASH BASIN COMPLIANCE BOUNDARY COINCIDENTWITH DUKE ENERGY PROPERTY BOUNDARY
GW FLOW DIRECTION
Wetland 1
Stream 1
500 0 500 1,000
SCALE (FEET)
N
POTENTIOM ETRIC SU RFACE M AP – SHALLOW FLOW LAYER
DU KE ENERGY CAROLINAS, LLCDAN RIV ER STEAM STATION ASH BASIN
NOTES:1. HYDROGRAPHY W AS OBTAINED FROM THE PROV ISIONAL JU RISDICTIONAL W ATERS M AP (U SACE APPROV AL PENDING), PROV IDED BY AM EC FOSTER W HEELER, DATED DECEM BER 10, 2015.
D a n R i v e r
U U
N N
N N
A A
M M
E E
D D
S S
T T
R R
E E
A A
M M
UNNAMED STREAMUNNAMED STREAM
S
R
-
1
7
7
9
AB5DAB5D521.38521.38
AB10DAB10D492.1492.1
AB25DAB25D490.77490.77
AB30DAB30D490.52490.52
AS2DAS2D528.21528.21
AS4DAS4D544.15544.15
AS6DAS6D550.35550.35
AS8DAS8D544.66544.66
AS10DAS10D568.62568.62
AS12SAS12S548.16548.16
BG1DBG1D499.73499.73
BG5DBG5D479.3479.3
GWA1DGWA1D569.49569.49
GWA2DGWA2D558.87558.87
GWA3DGWA3D549.35549.35
GWA4DGWA4D500.15500.15
GWA6DGWA6D483.72483.72
GWA7DGWA7D524.87524.87
GWA8DGWA8D566.73566.73
GWA9DGWA9D579.15579.15
GWA10DGWA10D519.97519.97
GWA11DGWA11D540.13540.13
GWA12DGWA12D563.44563.44
GWA14DGWA14D493.83493.83
GWA15DGWA15D481.31481.31
MW318DMW318D536.49536.49
MW10DMW10D481.44481.44
MW11DMW11D493.13493.13
MW12DMW12D571.15571.15
MW20DMW20D557.13557.13
MW21DMW21D497.02497.02
MW22DMW22DNMNM
MW23DMW23D514.1514.1
MW9DMW9D492.8492.8
OW308DOW308D524.54524.54
OW315DOW315DNMNM
560'560'
550'550'
540'540'
530'530'
520'520'
510'510'
500'500'
490'490'
480'480'
560'560'
550'550'
530'530'
520'520'
500'500'
570'570'
490'490'
480'480'
500'500'
490'490'
540'540'
510'510'
490'490'
ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
FIGURE
FEBRUARY 2016
2-3
PAT
H
:

\
\
S
A
C
-
S
R
V

0
1
\
G
I
S
\
P
R
O
J
E
C
T
S
\
D
U

K
E
E
N
E
R
G
Y
\
A
S
H
B
A
S
I
N
\
M

A
P
_

D
O
C
S
\
D
A
N
R
I
V

E
R
\
C
A
P
_

I
I
\
R
E
P
O
R
T
_

D
A
N
R
V

_

A
N
S
I
B
_

G
W

_

C
O
N
T
O
U

R
_

D
_

W

E
L
L
_

C
O
N
T
O
U

R
S
.
M

X
D

-

U

S
E
R
:

G
P
O
P
U

L
I
S

-

D
A
T
E
:

1
2
/
1
8
/
2
0
1
5
LEGEND:
GROUNDWATER ASSESSMENT MONITORING WELL
CLOSURE OBSERVATION WELL
COMPLIANCE GROUNDWATER MONITORING WELL
VOLUNTARY GROUNDWATER MONITORING WELL
GROUNDWATER CONTOUR LINE
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARYASH BASIN COMPLIANCE BOUNDARY COINCIDENTWITH DUKE ENERGY PROPERTY BOUNDARY
GW FLOW DIRECTION
Stream 1
Wetland 1
500 0 500 1,000
SCALE (FEET)
N
POTENTIOM ETRIC SU RFACE M AP – DEEP FLOW LAYER
DU KE ENERGY CAROLINAS, LLCDAN RIV ER STEAM STATION ASH BASIN
NOTES:1. HYDROGRAPHY W AS OBTAINED FROM THE PROV ISIONAL JU RISDICTIONAL W ATERS M AP (U SACE APPROV AL PENDING), PROV IDED BY AM EC FOSTER W HEELER, DATED DECEM BER 10, 2015.
D a n R i v e r
U U
N N
N N
A A
M M
E E
D D
S S
T T
R R
E E
A A
M M
UNNAMED STREAMUNNAMED STREAM
S
R
-
1
7
7
9
550'550'
540'540'
530'530'
520'520'
500'500'
490'490'
560'560'
510'510'
AB25BRAB25BR485.85485.85
AB30BRAB30BR505.97505.97
AB35BRAB35BR509.53509.53
AS8BRAS8BR544.85544.85 GWA5BRGWA5BR496.62496.62
MW22BRMW22BR486.06486.06
MW23BRMW23BRArtesianArtesian
MW301BRMW301BR569.45569.45
MW303BRMW303BR557.63557.63
MW306BRMW306BR543.81543.81
MW308BRMW308BR521.24521.24
MW310BRMW310BR521.54521.54
MW311BRMW311BR495.51495.51MW314BRMW314BR510.08510.08
MW315BRMW315BR525.17525.17
MW317BRMW317BR547.58547.58
ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
FIGURE
FEBRUARY 2016
2-4
PAT
H
:

\
\
S
A
C
-
S
R
V

0
1
\
G
I
S
\
P
R
O
J
E
C
T
S
\
D
U
K
E
E
N

E
R
G
Y
\
A
S
H
B
A
S
I
N

\
M
A
P
_

D
O
C
S
\
D
A
N

R
I
V

E
R
\
C
A
P
_

I
I
\
R
E
P
O
R
T
_

D
A
N

R
V

_

A
N

S
I
B
_

G
W

_

C
O
N

T
O
U
R
_

B
R
_

W

E
L
L
_

C
O
N

T
O
U
R
S
.
M
X

D

-

U
S
E
R
:

G
P
O
P
U
L
I
S

-

D
A
T
E
:

1
2
/
1
8
/
2
0
1
5
LEGEND:
GROUNDWATER ASSESSMENT MONITORING WELL
GROUNDWATER CONTOUR LINE
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARYASH BASIN COMPLIANCE BOUNDARY COINCIDENTWITH DUKE ENERGY PROPERTY BOUNDARY
GW FLOW DIRECTION
Wetland 1
Stream 1
500 0 500 1,000
SCALE (FEET)
N
POTEN TIOMETRIC SURFACE MAP – BEDROCK FLOW LAYER
DUKE EN ERGY CAROLIN AS, LLCDAN RIV ER STEAM STATION ASH BASIN
N OTES:1. HYDROGRAPHY W AS OBTAIN ED FROM THE PROV ISION AL JURISDICTION AL W ATERS MAP (USACE APPROV AL PEN DIN G), PROV IDED BY AMEC FOSTER W HEELER, DATED DECEMBER 10, 2015.
&<
&<
&<
&<
j
j
D D a a n n R R i i v v e e r r
S R -1 7 4 7
S R -1 9 5 3
S
R-19
7
4
S R -1 9 6 2
S R -1 9 6 2
S
R
-
1
7
7
9
S R -1 7 7 9
ASHASHSTORAGE 1STORAGE 1
ASHASHSTORAGE 2STORAGE 2
DAN RIVERDAN RIVERCOMBINEDCOMBINEDCYCLE STATIONCYCLE STATION
SERVICE WATERSERVICE WATERSETTLING PONDSETTLING POND
DAN RIVERDAN RIVERSTEAMSTEAMSTATIONSTATION
ASH BASINASH BASINPRIMARYPRIMARYCELLCELL
LCIDLCIDLANDFILLLANDFILL(CLOSED)(CLOSED)
ASH BASINASH BASINSECONDARYSECONDARYCELLCELL
AREA OF EXCEEDANCES OF 2L STANDARDS OR IMACS
ROCKINGHAM COUNTY, NORTH CAROLINA
LEGEND:
GROUNDWATER FLOW DIRECTION
j
RIVER FLOW DIRECTION
AREA OF As, B, Co, Fe, Mn, SO4, TDSAND V EXCEEDANCES
&<REPORTED PRIVATE WATER SUPPLYWELL
ASH STORAGE
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENTWITH DUKE ENERGY PROPERTY BOUNDARY
UNNAMED STREAMS
DATE
FIGURE
FEBRUARY 2016
2-5
N
DUKE ENERGY CAROLINAS, LLCDAN RIVER STEAM STATION ASH BASIN
500 0 500 1,000
SCALE (FEET)
P A T H : \\S A C -S R V 0 1 \G I S \P R O J E C T S \D U K E E N E R G Y \A S H B A S I N \M A P _D O C S \D A N R I V E R \C A P _I I \R E P O R T _D A N R V _A N S I D _E X C E E D A N C E _A R E A _M A P _2 0 1 6 0 2 0 5 .M X D - U S E R : T L E O N A R D - D A T E : 2 /5 /2 0 1 6
NOTES:NC 2L GROUND WATER STANDARDS OR IMAC VALUES:Arsenic (As)s - 10 µg/LBoron (B) - 10 µg/LCobalt (Co) - 1 µg/LChromium (Cr) - 10 µg/LIron (Fe) - 300 µg/LManganese (Mn): - 50 µg/LSulfate (SO4) - 250,000 10 µg/LVanadium (V) - 0.3 µg/LTotal Dissolved Solids (TDS) - 500,000 µg/L
Concentrations of Co, Fe, Mn, and V that were detected above 2L standards or IMACand below typical background concentrations (i.e. PPBCs) were omitted as they weredetermined to be representative of naturally occurring conditions.
SUCK CR PROSPE
SI
T
E

C
O
N
C
E
P
T
U
A
L

M
O
D
E
L

-

3
D

R
E
P
R
E
S
E
N
T
A
T
I
O
N
DU
K
E

E
N
E
R
G
Y

C
A
R
O
L
I
N
A
S
,

L
L
C
DA
N

R
I
V
E
R

S
T
E
A
M

S
T
A
T
I
O
N
RO
C
K
I
N
G
H
A
M

C
O
U
N
T
Y
,

N
O
R
T
H

C
A
R
O
L
I
N
A
DATE FIGUREFEBRUARY 2016 3-1NFlowDirectionFlowDirectionNAsh Basin Secondary Cell Ash Basin Primary Cell
As
h

S
t
o
r
a
g
e

1
As
h

S
t
o
r
a
g
e

2
Fo
r
m
e
r

D
r
e
d
g
e

P
o
n
d
S
e
r
v
i
c
e

W
a
t
e
r

S
e
t
t
l
i
n
g

P
o
n
d
Evaporation/Precipitation
Fra
c
t
u
r
e
d

B
e
d
r
o
c
k
/
Bed
r
o
c
k

F
l
o
w

L
a
y
e
r
Reg
o
l
i
t
h
/
S
h
a
l
l
o
w

a
n
d

D
e
e
p

F
l
o
w

L
a
y
e
r
s
Dan River
LE
G
E
N
D
Ap
p
r
o
x
i
m
a
t
e

P
o
n
d
/
R
i
v
e
r

E
x
t
e
n
t
Un
n
a
m
e
d

T
r
i
b
u
t
a
r
y

w
i
t
h

F
l
o
w

D
i
r
e
c
t
i
o
n
*V
I
S
U
A
L

A
I
D

O
N
L
Y

-

D
e
p
i
c
t
i
o
n

N
O
T

t
o

S
c
a
l
e
*
Gr
o
u
n
d
w
a
t
e
r

F
l
o
w

D
i
r
e
c
t
i
o
n
Fr
a
c
t
u
r
e
d

B
e
d
r
o
c
k

(
B
e
d
r
o
c
k

F
l
o
w

L
a
y
e
r
)
Re
g
o
l
i
t
h

(
S
h
a
l
l
o
w

a
n
d

D
e
e
p

F
l
o
w

L
a
y
e
r
s
)
So
u
r
c
e

A
r
e
a
s
Ar
e
a
s

o
f

a
r
s
e
n
i
c
,

b
o
r
o
n
,

c
h
r
o
m
i
u
m
,

s
u
l
f
a
t
e
an
d

t
o
t
a
l

d
i
s
s
o
l
v
e
d

s
o
l
i
d
s

(
T
D
S
)

2
L

E
x
c
e
e
d
a
n
c
e
s

Cr
o
s
s

S
e
c
t
i
o
n

L
o
c
a
t
i
o
n

A
-
A
’
No
t
e
s
:
NC

2
L

o
r

I
M
A
C

G
r
o
u
n
d
w
a
t
e
r

E
x
c
e
e
d
a
n
c
e
s
Ar
s
e
n
i
c

(
A
s
)

-

1
0

u
g
/
l

(
m
i
c
r
o
g
r
a
m
s

p
e
r

l
i
t
e
r
)
Bo
r
o
n

(
B
)

-

7
0
0

u
g
/
l
Co
b
a
l
t

(
C
o
)

-

1

u
g
/
l
Ir
o
n

(
F
e
)

-

3
0
0

u
g
/
l
Ma
n
g
a
n
e
s
e

(
M
n
)

-

5
0

u
g
/
l
Su
l
f
a
t
e

-

2
5
0
,
0
0
0

u
g
/
l
TD
S

-

5
0
0
,
0
0

u
g
/
l
Va
n
a
d
i
u
m

(
V
)

-

0
.
3

u
g
/
l
-
R
o
u
n
d

1

a
n
d

R
o
u
n
d

2

d
a
t
a

w
e
r
e

e
v
a
l
u
a
t
e
d

a
n
d
ex
c
e
e
d
a
n
c
e
s

a
r
e

r
e
p
r
e
s
e
n
t
a
t
i
v
e

o
f

b
o
t
h

s
a
m
p
l
i
n
g

e
v
e
n
t
s
.
-
C
o
n
c
e
n
t
r
a
t
i
o
n
s

o
f

c
o
b
a
l
t
,

i
r
o
n
,

m
a
n
g
a
n
e
s
e
,

a
n
d
va
n
a
d
i
u
m

t
h
a
t

w
e
r
e

d
e
t
e
c
t
e
d

a
b
o
v
e

2
L

S
t
a
n
d
a
r
d
s

o
r

I
M
A
C
an
d

b
e
l
o
w

t
y
p
i
c
a
l

b
a
c
k
g
r
o
u
n
d

c
o
n
c
e
n
t
r
a
t
i
o
n
s

(
i
.
e
.
,

P
P
B
C
s
)
we
r
e

o
m
i
t
t
e
d

a
s

t
h
e
y

w
e
r
e

d
e
t
e
r
m
i
n
e
d

t
o

b
e

r
e
p
r
e
s
e
n
t
a
t
i
v
e
of

n
a
t
u
r
a
l
l
y
-
o
c
c
u
r
r
i
n
g

c
o
n
d
i
t
i
o
n
s
.
A
A’
Fl
ow
Di
re
c
t
io
n
Fl
o
w
Di
r
e
c
t
i
o
n
1 I 2 I 3 I 4 I 5 I 6 I 7
I
650
WE
550
z
0 500
a
w
J
W
450
400 L
0
200
HDR Engineering, Inc. of the Carolinas
N.C.B.E.L.S. License Number: F-0116
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
704.338.6700
400 600 800 1000 1200
DISTANCE (ft)
ISSUE DATE DESCRIPTION
SECTION
A
SCALE: HORIZ 1 "=100' -
VERT 1 "=25'
PROJECT MANAGER B. COSTNER
DRAWN BY:
-
DESIGNED BY:
-
CHECKED BY:
-
APPROVED BY:
-
PROJECT NUMBER
000000000266731
1400 1600
NOT FOR
CONSTRUCTION
:We
2000
2200
DUKE ENERGY CAROLINASILIC
,f DUKE
•%.y ENERGY,
DAN RIVER STEAM STATION
ROCKINGHAM COUNTY
NORTH CAROLINA
650
550
500
450
400
2400
NOTES:
1. CONCEPTUAL DRAWING FOR DEMONSTRATION
PURPOSES ONLY.
2. BEDROCK FRACTURES DEPICTED ON SECTION
DO NOT REPRESENT ACTUAL FRACTURE
FREQUENCY OR ORIENTATION.
D
LEGEND:
WATER TABLE SURFACE (JUNE 2015)
FI LL
ASH
REGOLITH
BEDROCK (FRACTURED)
LEACHATE
GROUNDWATER FLOW PATH
SITE CONCEPTUAL MODEL CROSS SECTIONAL
0 1" 2"
FILENAME FIGURE 3-2.DWG SHEET
SCALE AS NOTED FIGURE 3-2
C
10
vi

DAN RIVERSTEAM STATION
DAN RIVERCOMBINED CYCLE STATION
ASHSTORAGE 2
ASHSTORAGE 1
LCID LANDFILL(CLOSED)
ASH BASINPRIMARY CELL
ASH BASINSECONDARYCELL
MAPL
E
W
O
O
D

D
R
HARRIS
P
L
B
R
I
A
R
W
O
O
D

D
R
G
A
L
L
A
G
H
E
R
S

W
Y
BERMUD
A

D
R
B
E
N
T

G
R
A
S
S

L
N
PAL
M
E
R

C
T
ROSEWOO
D

D
R
CAMELLIA

L
N
MEADOWG
R
E
E
N

V
I
L
L
A
G
E

D
R
ED
G
E
W
O
O
D

R
D
N
E
W

S
T
1
4
3
2
RECEPTOR MAP - AERIAL BASEDUKE ENERGY CAROLINAS, LLCDAN RIVER STEAM STATION ASH BASINNPDES PERMIT #NC0003468ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
FIGURE
AUG015
-2
PA
T
H
:

G
:
\
P
R
O
J
E
C
T
S
\
D
U
K
E
_
E
N
E
R
G
Y
\
A
S
H
_
B
A
S
I
N
_
W
E
L
L
S
_
R
E
C
E
P
T
O
R
S
\
D
A
N
_
R
I
V
E
R
\
M
X
D
\
D
R
S
S
_
F
I
G
_
4
_
2
_
2
0
1
5
0
7
2
2
_
V
1
0
_
2
_
N
E
W
.
M
X
D

-

U
S
E
R
:

M
M
U
R
C
H
I
S

-

D
A
T
E
:

7
/
2
2
/
2
0
1
5
NOTES:1. ASH BASIN WASTE BOUNDARIES AND ASH STORAGE AREA BOUNDARIES ARE APPROXIMATE.2. PRIVATE WELLS LOCATIONS ARE APPROXIMATE.3. ORTHOPHOTOGRAPHY IS FROM NC ONEMAP GIS ONLINE SERVICE.4. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107(a).5. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS SOUTHEAST EDEN, NC AND NORTHEAST EDEN, NC-VA.6. DUKE ENERGY PROPERTY BOUNDARY WAS SUPPLIED BY DUKE ENERGY REAL ESTATE.7. PROPERTY BOUNDARIES WERE SUPPLIED BY THE ROCKINGHAM COUNTY GIS OFFICE.
Legend
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARYCOINCIDENT WITH DUKE ENERGYPROPERTY BOUNDARY
0.5 MILE OFFSET FROM ASH BASINCOMPLIANCE BOUNDARY
STREAM
PROPERTY LINES
REPORTED PRIVATE WATER SUPPLY WELL
N
500 0 500 1,000SCALE (FEET)
NOTES:
1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
2. WASTE BOUNDARY IS APPROXIMATE,
3. AS -BUILT MONITORING WELL LOCATIONS PROVIDED BY DUKE ENERGY.
4. COMPLIANCE SHALLOW MONITORING WELLS (S) ARE SCREENED ACROSS THE SURFICIAL WATER TABLE.
5. COMPLIANCE DEEP MONITORING WELLS (D) ARE SCREENED IN THE TRANSITION ZONE BETWEEN COMPETENT BEDROCK AND REGOLITH.
6. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE (DATED 2010)
]. AERIAL PHOTOGRAPHY WAS OBTAINED FROM WSP DATED APRIL 2014.
8. THE COMPLIANCE BOUNDARY 15 ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107 (a).
9. PROPOSED WELL LOCATIONS ARE APPROXIMATE AND MAYBE ADJUSTED BASED ON FIELD CONDITIONS.
10. SEEP SAMPLE LOCATIONS WERE OBTAINED BY HDR USING ATRIMBLE HANDHELD GPS UNIT.
11. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS SOUTHEAST EDEN, NC AND NORTHEAST EDEN, NC -VA.
LEGEND:
— — — — —
— DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH STORAGE AREA BOUNDARY
.. COMPLIANCE BOUNDARY
— — _ _
_ COMPLIANCE BOUNDARY COINCIDENT WITH DUKE PROPERTY
BOUNDARY
STREAM
— — — — —
— LANDFILL - LAND CLEARING & INERT DEBRIS
TOPOGRAPHIC CONTOUR(4-FT INTERVAL)
PARCEL BOUNDARY
vw
ASH BASIN COMPLIANCE GROUNDWATER
MONITORING WELL (RED)
0
ASH BASIN VOLUNTARY GROUNDWATER
MONITORING WELL (BLACK)
t
SOIL BORING/GROUNDWATER
MONITORING WELL LOCATION
SURFACE WATER AND SEDIMENT SAMPLE LOCATION
SEEP AND SEDIMENT SAMPLE LOCATION
GRAB SAMPLE
PROPOSED DATA GAP WELL LOCATIONS
•
REPORTED PRIVATE WATER SUPPLY WELL
REPORTED PRIVATE WATER SUPPLY SPRING
ABANDONED PRIVATE WATER SUPPLY WELL
RIVER FLOW DIRECTION
ADDITIONAL ASSESSMENT WELL LOCATIONS DATE
zsoSCAoLE (EE oo, DUKE ENERGY CAROLINAS, LLC FFBRUARY 1111
F),
"-500, DAN RIVER STEAM STATION ASH BASIN
FIGURE
ROCKINGHAM COUNTY, NORTH CAROLINA 8-1