NCS000571_Renewal Application_20200326

XE
AERGY,
March 26, 2020
Suzanne McCoy
NCDEMLR Stormwater Program
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
Subject: Duke Erjeigy Carolinas, LLC.
Rogers Energy Complex
NPDES Stormwater Permit NCS000571
Permit Renewal Application
Dear Ms. McCoy:
Rogers Energy Complex
573 Duke Power Road
Mooresbora,
North Carolina 28114
RECEIVED
DENR-LAND QUA' 7,'
STORPOWAl-ER P"ERN;i F-Il r,n
828 657 2000
Duke Energy Carolinas, LLC requests the subject permit be renewed and reissued.
The subject permit expires on September 30, 2020. Section III Part B of this permit
requires the permit application for permit renewal to be submitted at least 180 days prior
to the expiration date of the permit. Attached is the renewal application form and
duplicate copies of the supplemental information.
It is requested that the monitoring frequency for SWO01 and SWO04 be reduced to
semi-annual. These two outfalls receive rainwater from switchyards. Historically the
monthly sampling is above the benchmark level for zinc. Measures have been put in
place to remove zinc using absorbent material, but due to the galvanized metal within
the switchyards the stormwater monitoring levels are still above the benchmark levels.
Should you have questions or need additional information please contact Robert Wylie
at 704 382-4669.
Sincerely,
ael�
aa
Dave Barnhardt
General Manager II
Rogers Energy Complex
Attachments:
Renewal Application Form
Supplemental Information
Site Map from the Stormwater Pollution Prevention Plan
Summary of Analytical Monitoring Results
Summary of Visual Monitoring Results
Narrative of Significant Site Changes
Certification of the Development and Implementation of the SPPP
LOFT- 70 /? iys-o 0ocpo 3g70 43y2q

Permit Coverage
Renewal Apolication Form NPDES Permit Number
NCDENR National Pollutant Discharge Elimination System
Stormwater Individual Permit NCS000571
Please provide your permit number in box in the upper right hand corner, complete the information in the space provided
below and return the completed renewal form along with the required supplemental information to the address indicated.
Owner Information
* Address to which permit correspondence wi/l be mailed
Owner / Organization Name:
Duke Energy Carolinas, LLC
Owner Contact:
Paul Draovitch
Mailing Address:
526 South Church Street
Charlotte NC 28202
Phone Number:
980-373-0408
Fax Number:
E-mail address:
au . raovi c u e-energy.com
Facility Information
Facility Name:
Rogers Energy Complex
Facility Physical Address:
573 Duke Power Road
Moorseboro, NC 28114
Facility Contact:
Dave Barnhardt
Mailing Address:
573 Duke Power Road
oorse oro, NC 28114
Phone Number:
828-657-2000
Fax Number:
E-mail address:
[e-mail]
Permit Information
Permit Contact:
Mailing Address:
Phone Number:
Fax Number:
E-mail address:
Discharae Information
Receiving Stream:
Stream Class:
Basin:
Sub -Basin:
Number of Outfalls:
Robert Wylie
526 South Church Street
Charlotte, NC 28202
704-382-4669
[e-mail]
Broad River
Broad River
Broad/ 03-08-02
39 (Several outfalls drain from common areas and have similar outfall designations See drawing in
Attachment 1 for further clarification.)
Facility/Activity Changes Please describe below any changes to your facility or activities since issuance of your permit. Attached a
separate sheet if necessary.
See narrative section Attachment 5.
CERTIFICATION
I certify that I am familiar with the information co ained in the application and that to the best of my knowledge and belief
such information is,true, complete apd accurat .
i
Signature Date 2�
Dave Barnhardt General Manager II
Print or type name of person signing above
Please return this completed application form
and requested supplemental information to:
Title
SW Individual Permit Coverage Renewal
Stormwater Permitting Program
1612 Mail Service Center
Raleigh, North Carolina 27699-1612

Rogers Energy Complex
Storm Water Permit NCS000571
Individual Permit Application
Supplemental Information
GENR—LANs) QUALITY
STOR11AWATER PERMITTING

SUPPLEMENTAL INFORMATION REQUIRED FOR RENEWALINDIVIDUAL
NPDES STORMWATER
Two copies of each of the following shall accompany this submittal in order for the application
to be considered complete:
(Do not submit the site Stormwater Pollution Prevention Plan)
Initials
RRW 1. A current Site Map from the Stormwater Pollution Prevention Plan. The location of
industrial activities (including storage of materials, disposal areas, process areas and
loading and unloading areas), drainage structures, drainage areas for each outfall,
building locations and impervious surfaces should be clearly noted.
RRW 2. A summary of Analytical Monitoring results during the term of the existing permit
(if your permit required analytical sampling). Do not submit individual lab reports.
The summary can consist of a table including such items as outfall number,
parameters sampled, lab results, date sampled, and storm event data.
RRW 3. A summary of the Visual Monitoring results. Do not submit individual monitoring
reports. The summary can consist of a table including such items as outfall number,
parameters surveyed, observations, and date monitoring conducted.
RRW
4. A summary of the Best Management Practices utilized at the permitted facility.
Summary should consist of a short narrative description of each BMP's in place at
the facility. If the implementation of any BMP's is planned, please include
information on these BMP's.
RRW 5. A short narrative describing any significant changes in industrial activities at the
permitted facility. Significant changes could include the addition or deletion of
work processes, changes in material handling practices, changes in material storage
practices, and/or changes in the raw materials used by the facility.
RRW 6. Certification of the development and implementation of a Stormwater Pollution
Prevention Plan for the permitted facility (Sign and return attached form).
If the final year analytical monitoring of the existing permit term has not been completed
prior to filing the renewal submittal, then the last years monitoring results should be submitted
within 30 days of receipt of the laboratory reports. (i.e. do not withhold renewal submittal
waiting on lab results)

Attachment 1
Site Map

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Attachment 2
Summary of Analytical Monitoring Data

a 5
oec \e`�e \\ �,ti ,vati .yRcb ,yip �(O0 a,�e
Units
inches
SU
rr
Benchmark
6.0-9.0
]ag/L ug/L ug/L ug/L
mg/I
Landfill DA - 18"
6/1/2016
1.22
7.8
xect->
15
Landfill DA - 18"
1/2/2017
1.2
6.9
1
Landfill DA - 18"
4/5/2017
0.87
7.5
Landfill DA - 18"
12/20/2017
0.86
7.7
1
Landfill DA - 21"
6/l/2016
l 22
7.9
<
Landfill DA - 21"
1/2/2017
1.2
6.8
<
Landfill DA - 21 "
4/5/2017
0.87
7.6
3
Landfill DA - 21"
12/20/2017
0.86
7.6
<
Landfill DA - 36"
6/6/2016
0.9
7.5
3
Landfill DA - 36"
1/2/2017
1.2
7.6
1 2�
Landfill DA - 36"
3/31/2017
0.94
7.6
1 1
Landfill DA - 36"
2/7/2018
1.63
7.6
41
Landfill DA - 36"
12/13/2019
1.29
7.11
6.
Landfill DA -42"
6/14/2016
1.4
7.8
13
Landfill DA - 42"
1/2/2017
1.2
7.4
6z
Landfill DA - 42"
1/3/2017
0.48
41
Landfill DA - 42"
3/31/2017
0.94
7.8
15
Landfill DA - 42"
2/7/2018
1.63
1 7.4
46
Laydown DA 2
6/1/2016
1.22
6.5
23
Laydown DA 2
1/2/2017
1.2
6.5
<_'
Laydown DA 2
4/5/2017
0.87
7.1
9
Laydown DA 2
12/20/2017
0.86
7.4
35
Laydown DA 2
2/6/2020
1.6
6.9
3.6
SW001
5/17/2016
0.27
7.1
< 5
SW001
12/6/2016
0.4
7.5
< 5 0.40
< 0.40
< 0.40
< 0.40
< 4.0
"S = MS/MSD Failure
SW001
1/21/2017
0.375
6.9
<5
SW001
3/31/2017
0.94
7.9
6
SW001
4/19/2017
0.22
7.7
<5
<5
SW001
6/13/2017
0.25
6.9
SW001
9/6/2017
0.54
6.8
<5
SW001
12/20/2017
0.86
7.4
<5
SW001
2/7/2018
1.63
7.2
110
SW001
4/23/2018
2.57
7.4
<5
SW001
10/10/2018
0.52
7.4
5.6
SW001
12/20/2018
1.75
7.1
<5
SW001
4/5/2019
0.93
7.7
<5
SW001
6/7/2019
1.24
7.5
<5
SW001
8/27/2019
0.71
7.6
<5
SW001
11/12/2019
0.53
8
<2.7
SW001
12/13/2019
1.29
7.46
<2.5
SW001
1/24/2020
1.22
7.2
<2.5
SW001
1/31/2020
0.6
8.6
SW001
2/5/2020
0.4
7.3
<2.5
SWO02
5/17/2016
0.27
7.5
< 5
SWO02
1/2/2017
1.2
7.1
< 5 0.40
< 0.40
< 0.40
< 0.40
< 4.0
SWO02
4/3/2017
0.49
7.7
<5 :0.4
<0.4
<0.4
<0.4
<4
SWO02
12/20/2017
0.86
8.3
< 5 : 0.4
< 0.4
< 0.4
< 0.4
< 4
SWO04
5/17/2016
0.27
7.4
< 5
< 4.7
SWO04
11/29/2016
0.6
7.7
160 0.40
< 0.40
< 0.40
< 0.40
< 4.0
SWO04
1/21/2017
0.375
7.3
<5 0.40
<0.40
<0.40
<0.4
<4.0
SWO04
2/15/2017
0.3
7.2
9 `0.4
<0.4
<0.4
<0.4
<4

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SWO15-13
12/6/2016
Mercury Samples were not composited in the lab as
SWO15-13
4/5/2019
0.93
8A
SWO15-13
11/12/2019
0.53
7.8
SWO15-2
12/6/2016
Mercury Samples were not composited in the lab as
SWO15-3
SWO15-4
12/6/2016
12/6/2016
Mercury Samples were not composited in the lab as
Mercury Samples were not composited in the lab as
SWO15-5
12/6/2016
MercurySamples were not composited in the lab as
Mercury Samples were not composited in the lab as
Mercury Samples were not composited in the lab as
Mercury Samples were not composited in the lab as
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7
17
18
7
32
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170
18
25
18 _
< 5
14
< 5
5
<5
SWO15-6
SWO15-8
12/6/2016
12/6/2016
SWO15-9
12/6/2016
SWO16 - 24"
6/1/2016
1 1.22
7.6
SWO16 - 24"
12/6/2016
0.4
7.8
SWO16 - 24"
3/31/2017
0.94
7.7
SWO16 - 24"
12/20/2017
0.86
7.3
S WOl6 - 24"
4/23/2018
2.57
7.3
SWO16 - 30"
6/1/2016
1.22
7.6
SWO16 - 30"
1/2/2017
1.2
6.7
SWO16 - 30"
3/31/2017
0.94
1 7.4
SWO16 - 30"
12/20/2017
0.86
7.6
SWO16 - 30"
4/23/2018
2.57
7.1
SWO16 - 36"
6/l/2016
1.22
7.7
SWO16 - 36"
12/6/2016
0.4
7.7
SWO16 - 36"
3/31/2017
0.94
7.9
SWO16 - 36"
9/6/2017
0.54
7.7
SWO16 - 36"
2/7/2018
1.63
7.4
SWO16 - 36'
10/10/2018
0.52
1.5
SWO16-42"
5/19/2016
0.1
7.8
SWO16 - 42"
12/6/2016
0.4
7.7
SWO16-42"
3/31/2017
0.94
7.5
S WOl 6 - 42"
9/6/2017
0.54
7.6
SWO16 - 42"
2/7/2018
1.63
7.4
SWO16 - 42"
12/20/2018
1.75
6.6
SWO16-42"
12/13/2019
1.29
7.17
S WO16 - 54"
5/19/2016
0.1
7.9
SWO16 - 54"
12/6/2016
0.4
6.9
SWO16 - 54"
3/31/2017
0.94
7.2
SWO16 - 54"
12/20/2017
0.86
7.9
SWO16 - 54"
4/23/2018
2.57
7.4
SWO16 - 54"
10/10/2018
0.52
7.6
SWO17
11/29/2016
0.6
7.2
SW017
4/3/2017
0.49
7.5
SWO17
9/6/2017
0.54
7.3
SWO17
4/23/2018
2.57
7.5
SWO17
10/10/2018
0.52
7.5
SWO17
4/5/2019
0.93
7
SW017
8/27/2019
0.71
6.5
SW017
11/12/2019
0.53
8
SWO17
1/24/2020
1.22
7.2
SWO17
2/5/2020
0.4
SWO18A
2/7/2018
1.63
7.5
SWO18A
12/20/2018
1.75
6.6
SWO18A
4/5/2019
0.93
7.5
SWO18A
1/24/2020
1.22
7.8
SWO18A
2/5/2020
0.4
SWO18B
2/7/2018
1.63
7.5
SW019
12/6/2016
0.4
8.3
SWO19
4/3/2017
0.49
7.3
S WO19
9/6/2017
0.54
7.3
SW019
4/23/2018
2.57
7.3
SW019
10/10/2018 1
0.52 1
7A

Attachment 3
Summary of Visual Monitoring Results

Rogers Energy Complex Summary of Visual Inspections
Date
Rain
Fall
Amount
- Inches
Outfall #
Color
Odor
41
io
H
M
L°
-a
y
c'0
a cn
E
c
U.
M
s
`"
o
o 0
° °
11/2/2015
2.4
Landfill DA-18
Light Brown
None
2
1
2
1 N
N
N
2/3/2016
0.84
Landfill DA-18
Brown reddish
None
3
2
3
N
N
N
6/1/2016
1.22
Landfill DA-18
light brown
None
2
1
2
N
N
N
1/2/2017
1.2
Landfill DA-18
Clear
None
1
1
2
N
N
N
4/5/2017
0.87
Landfill DA-18
Orange
None
3
1
4
N
N
N
12/20/2017
0.86
1 Landfill DA-18
Cloudy
None
3
1
16
1
N
N
N
12/14/2018
0.89
Landfill DA-18
Orange
None
2
2
N
N
N
12/13/2019
1.29
Landfill DA-18
Light Brown
None
2
1
2
N
N
N
1/24/2020
1.22
Landfill DA-18
Reddish Brown
None
5
2
3
N
N
N
3/3/2020
0.7
Landfill DA-18
Dark Orange
None
4
1
2
N
N
N
11/2/2015
2.4
Landfill DA-21
Light brown
None
2
1
2
N
N
N
2/3/2016
0.84
Landfill DA-21
Brown reddish
None
3
2
2
N
N
N
6/1/2016
1.22
Landfill DA-21
light brown
None
1
1
2
N
N
N
1/2/2017
4/5/2017
1.2
0.87
Landfill DA-21
Landfill DA-21
Clear
None
1
1
1
N
N
N
brownish
None
3
1
3
N
N
N
12/20/2017
0.86
Landfill DA-21
light yellowish
None
2
1
1
N
N
N
12/14/2018
0.89
Landfill DA-21
light tan
None
2
1
1
N
N
N
12/13/2019
1.29
Landfill DA-21
Clear
None
1
1
1
N
N
N
1/24/2020
1.22
Landfill DA-21
Medium
Orange
None
3
1
2
N
N
N
11/2/2015
2.4
Landfill DA-36
Light brown
None
2
1
2
N
N
N
1/2/2017
1.2
Landfill DA-36
Brownish
None
3
2
3
Y
N
N
2/7/2018
1.63
Landfill DA-36
Orangish Brown
None
5
1
1
N
N
N
12/14/2018
0.89
Landfill DA-36
light tan
None
2
1
1
N
N
N
6/6/2019
0.09
Landfill DA-36
Light Brown
None
2
1
2
N
N
N
12/13/2019
1.29
Landfill DA-36
Clear
None
1
1
1
N
N
N
1/24/2020
1.22
Landfill DA-36
Slight tint of
Orange
None
2
1
2
N
N
N
11/2/2015
2.4
Landfill DA-42
Light Gray
None
2
1
1
N
N
N
2/3/2016
0.84
Landfill DA-42
Brownish
None
2 1
1
2
N
N
N
6/14/2016
1.4
Landfill DA-42
light brown
None
2
1
2
N
N
N
1/2/2017
1.2
Landfill DA-42
Light Brown
None
2
2
2
N
N
N
2/7/2018
1.63
Landfill DA-42
light orangish
brown
None
2
1
1
N
N
N
12/14/2018
0.89
Landfill DA-42
light tan
None
2
1
1
N
N
N
12/13/2019
1.29
Landfill DA-42
Clear
None
1
1
1
N
N
N
1/24/2020
1.22
Landfill DA-42
Slight tint of
Orange
None
2
1
2
N
N
N
11/2/2015
2.4
Laydown Area
2
Clear
None
1
1
1
N
N
N
Page 1 of 7

Rogers Energy Complex Summary of Visual Inspections
6/1/2016
1.22
Laydown Area
2
Clear
None
1
1
1
N
N
N
1/2/2017
1.2
Laydown Area
2
Clear
None
1
1
1
N
N
N
4/5/2017
0.87
Laydown Area
2
Clear
None
1
1
1
N
N
N
12/20/2017
0.86
Laydown Area
2
cloudy
None
2
1
1
N
N
N
12/20/2018
1.75
Laydown Area
2
Slightly cloudy
None
1
1
1
N
N
N
2/6/2020
1.6
Laydown Area
2
Clear
None
1
1
1
N
N
N
11/2/2015
2.4
SWO01
Clear
None
1
1
1
N
N
N
2/3/2016
0.84
SWO01
Clear
None
1
1
1
N
N
N
5/17/2016
0.27
SWO01
light clear
None
1
1
1
N
N
N
12/6/2016
0.41
SWO01
Clear
None
1
1
1
N
N
N
1/21/2017
0.375
SWO01
Clear
None
1
1
1
N
N
N
4/5/2017
0.87
SWO01
light brown
None
2
1
2
N
N
N
6/13/2017
0.25
SWO01
Clear
None
1
1
1
N
N
N
9/6/2017
0.54
SWO01
Clear
None
1
1
1
N
N
N
12/20/2017
0.86
SWO01
Clear
None
1
1
1
N
N
N
2/7/2018
1.63
SWO01
Light Brown
None
5
1
1
N
N
N
2/23/2018
2.57
SWO01
Clear
None
1
1
1
N
N
N
10/10/2018
0.52
SWO01
Light clear
None
1
3
2
N
N
N
12/20/2018
1.75
SWO01
Clear
None
1
1
1
N
N
N
2/12/2019
0.75
SWO01
Clear
None
1
1
1
N
N
N
4/5/2019
0.93
SWO01
Clear
None
1
1
1
N
N
N
6/7/2019
1.24 1
SWO01
Clear
None
1
1
1
N
N
N
8/27/2019
0.71
SWO01
Clear
None
1
1
1
N
N
N
11/12/2019
0.53
SWO01
Clear
None
1
1
1
N
N
N
12/13/2019
1.29
SWO01
Clear
None
1
1
1
N
N
N
1/24/2020
1.22
SWO01
Clear
None
1
1
1
N
N
N
3/3/2020
0.7
SWO01
Light Clear
None
1
1
1
N
N
N
11/2/2015
.2.4
SWO02
Clear
None
1
1
1
N
N
N
2/3/2016
0.84
SWO02
Clear
None
1
1
1
N
N
N
5/17/2016
0.27
SWO02
light clear
None
1
1
1
N
N
N
1/2/2017
1.2
SWO02
Clear
None
1
1
1
N
N
N
12/20/2017
0.86
SWO02
Clear
None
1
1
1
N
N
N
12/14/2018
0.89
SWO02
Clear
None
1
1
1
N
N
N
12/13/2019
1.29
SWO02
Clear
None
1
1
1
N
N
N
1/24/2020
1.22
SWO02
Clear
None
1
1
1
N
N
N
3/3/2020
0.7
SWO02
Light Clear
None
1
1
1
N
N
N
11/2/2015
2.4
SWO04
Clear
None
1
1
1
N
N
N
Page 2 of 7

Rogers Energy Complex Summary of Visual Inspections
2/3/2016
0.84
1 SW004
Clear
None
1
1
1
N
I N
N
5/17/2016
0.27
SW004
light clear
None
1
1
1
N
N
N
11/29/2016
0.6
SW004
light brown
None
3
1
2
N
N
N
1/21/2017
0.375
SW004
Clear
None
1
1
1
N
N
N
6/13/2017
0.25
SW004
Clear
None
1
1
1
N
N
N
8/11/2017
0.46
SW004
Clear
None
1
2
2
N
N
N
9/6/2017
0.54
SW004
Clear
None
1
1
1
N
N
N
11/7/2017
0.4
SW004
Clear
None
1
1
1
N
N
N
12/20/2017
0.86
SW004
Clear
None
1
1
1
N
N
N
2/7/2018
1.63
SW004
Clear
None
2
1
1
N
N
N
2/23/2018
2.57
SW004
Clear
None
1
1
1
N
N
N
7/19/2018
0.58
SW004
tannish clear
None
2
1
2
N
N
N
10/10/2018
0.52
SW004
light clear
None
1
2
2
N
N
N
12/20/2018
1.75
SW004
Clear
None
1
1
1
N
N
N
2/12/2019
0.75
SW004
Clear
None
1
2
1
N
N
N
4/5/2019
0.93
SW004
Clear
None
1
1
1
N
N
N
6/7/2019
1.24
1 SW004
Clear
None
1
1
1
N
N
N
8/27/2019
0.71
SW004
Brown
None
1
2
3
N
N
N
11/12/2019
0.53
SW004
Clear
None
1
1
1
N
N
N
12/13/2019
1.29
SW004
Clear
None
1
1
1
N
N
N
1/24/2020
1.22
SW004
Clear
None
1
2
1
N
N
N
3/3/2020
0.7
SW004
Light Clear
None
1
1
1
N
N
N
11/2/2015
2.4
SW005
Clear
None
1
1
1
N
N
N
2/3/2016
0.84
SW005
Clear
None
1
1
1
N
N
N
11/29/2016
0.6
SW005
Brown
None
3
1
3
N
N
N
4/5/2017
0.87
SW005
Clear
None
1
1
1
N
N
N
12/20/2017
0.86
SW005
Yellowish
None
2
1
1
N
N
N
12/14/2018
0.89
SW005
Clear
None
1
1
1
N
N
N
12/20/2018
1.75
SW005
Slightly cloudy
None
2
1
1
N
N
N
2/12/2019
0.75
SW005
Clear
None
1
1
1
N
N
N
4/5/2019
0.93 1
SW005
Clear
None
1
1
1
N
N
N
6/6/2019
0.09
SW005
light brown
None
2
1
2
N
N
N
8/27/2019
0.71
SW005
Clear
None
1
2
1
N
N
N
11/12/2019
0.53
SW005
Clear
None
1
1
1
N
N
N
1/24/2020
1.22
SW005
Clear
None
2
2
2
N
N
N
3/3/2020
0.7 1
SW005
Light Clear
None
1
1
1
N
N
N
11/2/2015
2.4
SW009
Light Brown
None
2
2
1
Y
N
N
2/3/2016
0.84
SW009
Light Brown
None
2
2
2
Y
N
N
6/7/2016
0.9
SW009
light brown
None
2
2
1
N
N
N
1/2/2017
1.2
SW009
brown
None
3
1
3
Y
N
N
2/7/2018
1.63
SW009
Orangish Brown
None
4
2
2
Y
N
N
2/23/2018
2.57
SW009
Orangish Brown
None
3
1
2
Y
N
N
12/14/2018 1
0.89 1
SW009
Slight Tan
None
1
1
1
Y
N
N
Page 3 of 7

Rogers Energy Complex Summary of Visual Inspections
12/20/2018
1.75
1 SWO09
Slightly cloudy
None
1
2
1
N
N
N
4/5/2019
0.93
SWO09
clear to light
gray
None
2
1
2
Y
N
N
12/13/2019
1.29
SWO09
Light Reddish
None
2
1
2
Y
N
N
1/24/2020
1.22
SWO09
Light Brown
None
2
1
2
N
N
N
11/2/2015
2.4
SWO11
Light Brown
None
1
1
1
N
N
N
2/3/2016
0.84
SWO11
brownish
None
2
1
2
N
N
N
6/1/2016
1.22
SWO11
Brown
None
3
1
2
N
N
N
12/6/2016
0.41
SWO11
brownish
None
3
2
3
N
N
N
1/21/2017
0.375
SWO11
Red Brownish
None
3
2
3
N
N
N
2/7/2018
1.63
SWO11
Light Brown
None
3
1
1
N
N
N
2/23/2018
2.57
SWO11
Light Brown
None
2
1
1
N
N
N
12/14/2018
0.89
SWO11
Light Tan
None
1
1
1
N
N
N
12/20/2018
1.75
SWO11
Cloudy
None
2
1
1
N
N
N
12/13/2019
1.29
SWO11
Light Brown
None
2
1
2
N
N
N
2/6/2020
1.6
SWO11
Light Brow
None
2
1
1
N
N
N
11/2/2015
2.4
SWO12
Light Brown
None
2
1
1
N
N
N
2/3/2016
0.84
SWO12
light brown -
clear
None
2
1
2
N
N
N
1/2/2017
1.2
SWO12
Light Brown
None
3
1
3
N
N
N
12/20/2017
0.86
SWO12
slight orangish
tint
None
2
2
1
N
N
N
12/14/2018
0.89
SWO12
Clear
None
1
1
1
N
N
N
2/12/2019
0.75
SWO12
Clear
Earthy
smell
1
1
1
N
N
N
6/6/2019
0.09
SWO12
Clear
None
1
1
1
N
N
N
12/13/2019
1.29
SWO12
Clear
None
1
1
1
N
N
N
1/24/2020
1.22
SWO12
Clear
None
1
1
1
N
N
N
11/2/2015
2.4 1
SWO15
Clear
None
1
2
1
N
N
N
2/3/2016
0.84
SWO15
Clear
None
1
2
1
N
N
N
12/6/2016
0.41
SWO15
Clear
None
1
1
1
N
N
N
3/31/2017
1.19
SWO15
Clear
None
1
1
1
N
N
N
9/6/2017
0.54
SWO15
Clear
None
1
1
1
N
N
N
12/20/2017
0.86
SWO15
Clear
None
1
1
1
N
N
N
10/10/2018
0.52
SWO15
light clear
None
1
2
2
N
N
N
2/12/2019
0.75
SWO15
Clear
None
1
1
1
N
N
N
4/5/2019
0.93
SWO15
Clear
None
1
1
1
N
N
N
6/6/2019
0.09
SWO15
Clear
None
1
1
1
N
N
N
11/12/2019
0.53
SWO15
Clear
None
1
1
1
N
N
N
12/13/2019
1.29
SWO15
Clear
None
1
1
1
N
N
N
2/6/2020
1.6
SWO15
Clear
None
1
1
1
N
N
N
Page 4 of 7

Rogers Energy Complex Summary of Visual Inspections
3/3/2020
0.7
SW015
Light Clear
None
1
1
1
N
N
N
1/24/2020
1.22
SW015-13
Clear
None
1
1
1
N
N
N
11/2/2015
2.4
SW016-24
light brown
None
2
1
2
N
N
N
2/3/2016
0.84
SW016-24
brownish
None
2
1
2
Y
N
N
6/1/2016
1.22
SW016-24
light brown
None
2
1
2
N
N
N
12/6/2016
0.41
SW016-24
light brown
None
2
1
2
N
N
N
3/31/2017
1.19
SW016-24
clear to light
orange
None
2
1
3
N
N
N
12/20/2017
0.86
SW016-24
Clear
None
2
1
1
N
N
N
2/23/2018
2.57
SW016-24
Light orangish
brown
None
2
2
1
N
N
N
12/14/2018
0.89
SW016-24
light tan
None
2
1
2
N
N
N
12/13/2019
1.29
SW016-24
Light Brown
None
1
1
1
N
N
N
1/24/2020
1.22
SW016-24
Light Orange
None
2
1
2
N
N
3/3/2020
0.7
SW016-24
orange to light
brown
None
3
1
2
Y
N11/2/2015
EN
2.4
SW016-30
Light brown
None
2
1
2
Y
N
2/3/2016
0.84
SW016-30
clear to light
brown
None
2
1
2
2
N
N
N
N
6/1/2016
1.22
SW016-30
Clear
None
2
1
N
N
1/2/2017
1.2
SW016-30
light brown
None
2
1
3
N
N
N
12/20/2017
0.86
SW016-30
Clear
None
2 1
1
1 1
N
N
N
2/23/2018
2.57
SW016-30
Orangish Brown
None
3
1
1
N
N
N
12/14/2018
0.89
SW016-30
Clear
None
1
1
1
N
N
N
2/12/2019
0.75
SW016-30
Clear
None
1
1
1
N
N
N
1/24/2020
1.22
SW016-30
Light Orange
None
2
1
2
N
N
N
3/3/2020
0.7
SW016-30
Slight tint of
Brown
None
2
1
1
N
N
N
12/13/2019
1.29
SW016-32
Light Brown
None
2
1
2
N
N
N
11/2/2015
2.4
SW016-36
light brown
None
2
1
2
Y
N
N
2/3/2016
0.84
SW016-36
clear to
Brownish
None
2
1
2
Y
N
Y
6/1/2016
1.22
SW016-36
Clear
None
2
1
1
N
N
Y
12/6/2016
0.41
SW016-36
Light Brown
None
2
1
2
N
N
N
3/31/2017
1.19
SW016-36
Light orange
None
2
1
2
N
N
N
9/6/2017
0.54
SW016-36
Light Brown
None
2
1
2
N
N
N
12/20/2017
0.86
SW016-36
Light Brown
None
2
1
2
N
N
N
2/7/2018
1.63
SW016-36
Orangish Brown
None
3
1
2
N
N
N
2/23/2018
2.57
SW016-36
Orangish Brown
None
3
1
1
N
N
N
10/10/2018
0.52 1
SW016-36
Clear light
None
1
1
1
N
N
N
2/12/2019
0.75
SW016-36
light gray
None
2
1
1
N
N
N
4/5/2019
0.93
SW016-36
Clear to gray
None
1
1
1
N
N
N
12/13/2019
1.29
SW016-36
Light Brown
None
2
1
2
N
N
N
1/24/2020
1.22
SW016-36
Light Orange
None
2
2
2
N
N
N
Page 9 of 7

Rogers Energy Complex Summary of Visual Inspections
3/3/2020
0.7
SWO16-36
Light clear
None
1
I 1
1
N
N
N
11/2/2015
2.4
SWO16-42
Light brown
None
2
1
2
N
N
N
2/3/2016
0.84
SWO16-42
Brown reddish
None
3
1
3
N
N
N
5/19/2016
0.1
SWO16-42
Red Brownish
None
2
1
2
N
N
N
12/6/2016
0.41
SWO16-42
Light Brown
None
2
1
2
N
N
N
3/31/2017
1.19
SWO16-42
light beige
None
2
1
2
N
N
N
9/6/2017
0.54
SWO16-42
Light Brown
None
2
1
2
N
N
N
12/20/2017
0.86
SWO16-42
Light Brown
None
2
2
2
N
N
N
2/7/2018
1.63
SWO16-42
Orangish Brown
None
3
1
1
N
N
N
2/23/2018
2.57
SWO16-42
Orangish Brown
None
3
1
1
N
N
N
12/14/2018
0.89
SWO16-42
light Tan
None
2
1
2
N
N
N
12/20/2018
1.75
SWO16-42
Cloudy
None
2
1
1
N
N
N
12/13/2019
1.29
SWO16-42
Light Brown
None
2
1
2
N
N
N
1/24/2020
1.22
SWO16-42
Light Orange
None
2
1
2
N
N
N
3/3/2020
0.7
SWO16-42
Light Brown
None
2
1
1
Y
N
N
11/2/2015
2.4
SWO16-54
Light Brown
None
3
2
2
Y
N
Y
2/3/2016
0.84
SWO16-54
Red Brownish
None
3
1
3
N
N
N
5/19/2016
0.1
SWO16-54
Clear
None
1
1
1
Y
N
N
12/6/2016
0.41
1 SWO16-54
Light Brown
None
2
1
2
N
N
N
3/31/2017
1.19
SWO16-54
medium orange
None
3
1
3
N
N
N
12/20/2017
0.86
SWO16-54
Clear - red tint
None
2
1
1
N
N
N
2/23/2018
2.57
SWO16-54
Light Brown
None
2
1
1
N
N
N
10/10/2018
0.52
SWO16-54
Medium Clear
None
2
1
1
N
N
N
12/20/2018
1.75
SWO16-54
Slightly cloudy
None
1
1
1
N
N
N
2/12/2019
0.75
SWO16-54
Clear
None
1
1
1
Y
N
N
12/13/2019
1.29
SWO16-54
Light Brown
None
2
1
2
N
N
N
1/24/2020
1.22
SWO16-54
Light Orange
None
2
1
2
N
N
N
3/3/2020
0.7
SWO16-54
Yellowish to
light brown
None
2
1
1
Y
N
N
11/29/2016
0.6
SWO17
Clear to light
gray
None
2
1
2
N
N
N
9/6/2017
0.54
SWO17
Clear
None
1
1
2
N
N
N
12/20/2017
0.86
SWO17
Clear
None
1
1
1
N
N
N
2/23/2018
2.57
SWO17
slightly cloudy
None
2
2
2
N
N
10/10/2018
0.52
SWO17
Clear light
None
1
1
1
N
N
N
2/12/2019
0.75
SWO17
Clear
None
1
1
1
N
N
N
4/5/2019
0.93
SWO17
Gray
None
2
1
2
N
N
N
8/27/2019
0.71
SWO17
Clear
None
1
1
1
N
N
N
11/12/2019
0.53
SWO17
Clear
None
1
1
2
N
N
N
1/24/2020
1.22
SWO17
clear to light
brown
None
2
2
2
N
N
N
Page 6 of 7

Rogers Energy Complex Summary of Visual Inspections
3/3/2020
0.7
SWO17
Light Clear
None
1
2
2
N
N
N
2/7/2018
1.63
SWO18A
Light Brown
None
3
1
1
Y
N
N
2/23/2018
2.57
SWO18A
Brown
None
3
1
1
Y
N
N
12/14/2018
0.89
SWO18A
Grayish Tan
None
3
1
3
N
N
N
12/20/2018
1.75
SWO18A
Slightly Cloudy
None
2
1
1
Y
N
N
12/13/2019
1.29
SWO18A
No Flow
None
1
1
1
N
N
N
1/24/2020
1.22
SWO18A
Clear
None
1
1
1
Y
N
N
3/3/2020
0.7
SWO18A
Light Clear
None
2
2
2
N
N
N
2/7/2018
1.63
SWO18B
very light
brown
None
2
1
1
N
N
N
2/23/2018
2.57
SWO18B
light brown
None
2
1
1
Y
N
N
12/14/2018
0.89
SWO18B
Light Tan
None
2
1
1
N
N
N
12/13/2019
1.29
SWO18B
No Flow
None
1
1
1
N
N
N
1/24/2020
1.22
SWO18B
Clear
None
1
1
1
Y
N
N
3/3/2020
0.7
SWO18B
Light Clear
None
2
2
2
N
N
N
12/6/2016
0.41
SWO19
Clear
None
1
1
1
N
N
N
9/6/2017
0.54
SWO19
Clear
None
1
1
1
N
N
N
12/20/2017
0.86
SWO19
Clear
None
1
2
1
N
N
N
2/23/2018
2.57
SWO19
Very slightly
yellow
None
1
1
1
Y
N
N
10/10/2018
0.52
SWO19
Clear Medium
None
2
2
2
N
N
N
Page 7 of 7

Attachment 4
Summary of Best Management Practices

DU
N RGY
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
OutfallID
SW001
-,
Discharge Structure
24" CMP
Location
Broad River at Unit 5
Switchyard
Latitude - Longitude
35' 13' 8.38" N
81 ° 46' 3.15" W
Drainage Area
3.6 acres
Percent Impervious
30%
Permit Monitoring Table
1
Industrial Activities and
This drainage area includes the Unit 5 115 kV switchyard and the relay
Description
house. The switchyard is fenced and covered with gravel. The switchyard
is relatively flat and elevated slightly above the surrounding ground. A curb
surrounds the southern and western perimeters, and ditches divert upland
runoff around the switchyard. There is approximately 2 acres of gravel area
and 1 acre of paved roadways and within this drainage basin.
Approximately 30 percent of this drainage basin is paved.
Significant
Oil: Switchgear equipment in the Unit 5 115 kV switchyard contains a
Materials/Potentlal
total of /0,231 gallons of mineral oil. The AT-1 transformer contains
Pollutants
15,960 gallons of mineral oil, and the AT-2 transformer contains
20,764 gallons of mineral oil. The 17 oil circuit breakers contain a
total of 33,507 gallons of mineral oil. Stormwater from this area is
processed through a 30,000-gallon oil trap tank.
BMP Summary
Oil bearing equipment switchyards
• Maintain level grades and gravel surfaces to retard flows and limit
the spread of spills.
• Collect stormwater runoff in perimeter ditches and route around
switchyard. Divert upland runoff with curbs.
• Inspect transformers for failures or leaks and perform preventive
maintenance. Use dry cleanup methods for spills.
• Train employees in spill response protocols.
Equipment maintenance
• Promptly transfer used fluids to the proper container; do not leave
full deployable containments or other open containers. Empty and
clean deployable containments.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

l� DUKE
�C ENERGY
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW002
I�It�71�
Discharge Structure
18" CMP
Location
Broad River at Unit 5
Switchyard
Latitude - Longitude
350 13' 11.69" N
81 ° 45' 54.57" W
Drainage Area
4.6 acres
Percent Impervious
40%
Permit Monitoring Table
1
Industrial Activities and
This drainage area includes the Unit 5 230 kV switchyard. The switchyard
Description
is covered with gravel. The switchyard is relatively flat and elevated slightly
above the surrounding ground. A curb surrounds the southern and eastern
perimeters, and ditches divert upland runoff around the switchyard. There
are about 2.7 acres of gravel surface and one acre of paved roadways
within this drainage basin. Approximately 40 percent of this drainage basin
is paved.
Significant
Oil: Two compononts in the 230 kV switchyard contains a total of 342
Materials/Potential
gallons of mineral oil. All other components in the 230-kV switchyard
Pollutants
are air/gas cooled.
BMP Summary
Oil bearing equipment switchyards
• Maintain level grades and gravel surfaces to retard flows and limit
the spread of spills.
• Collect stormwater runoff in perimeter ditches and route around
switchyard. Divert upland runoff with curbs.
• Inspect transformers for failures or leaks and perform preventive
maintenance. Use dry cleanup methods for spills.
• Train employees in spill response protocols.
Equipment maintenance
• Promptly transfer used fluids to the proper container; do not leave
full drip pans or other open containers around the shop. Empty and
clean drip pans and containers.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW003
Image not available
Discharge Structure
36" CMP (plugged)
Location
Broad River beside Bridge
to Unit 5 Switchyard
Latitude - Longitude
35' 13' 6.21" N
81 ° 45' 56.77" W
Drainage Area
16.4 acres
Percent Impervious
50%
Permit Monitoring Table
n/a
Industrial Activities and
Description
This outfall has been abandoned, and the drainage area is routed to the
yard drainage basin (lined Basement Basin), which is pumped and
discharged through the Waste Water Treatment Facility.
Significant
Materials/Potential
Pollutants
None
BMP Summary
None
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part Il, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

(•� DUKE
ENERGY.
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW004
Discharge Structure
24" CMPYf
Location
Broad River at Units 1-4
Switchyard
Latitude - Longitude
35' 13' 15.88" N
81 ° 45' 32.22" W
; -
Drainage Area
2.4 acres
Percent Impervious
50%
Permit Monitoring Table
1
Industrial Activities and
This drainage basin is comprised mostly of the Units 1-4 switchyard. The
Description
switchyard is covered with gravel. It is slightly elevated from the
surrounding grade and surrounded by concrete curbing, except on the
northwest end. Less than five percent of this drainage area is paved. The
switchyard is used for transmission only.
Significant
Oil: Switchgear equipment in this drainage basin contains 16,711 gallons
Materials/Potential
of mineral oil. Stormwater runoff from this drainage area is
Pollutants
processed through a 20,000-gallon oil trap tank.
BMP Summary
Oil bearing equipment switchyards
• Maintain level grades and gravel surfaces to retard flows and limit
the spread of spills.
• Collect stormwater runoff in perimeter ditches and route around
switchyard. Divert upland runoff with curbs.
• Inspect transformers for failures or leaks and perform preventive
maintenance. Use dry cleanup methods for spills.
• Train employees in spill response protocols.
Equipment maintenance
• Promptly transfer used fluids to the proper container; do not leave
full drip pans or other open containers around the shop. Empty and
clean drip pans and containers.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part ll, Section A, 2.(c)).

4 DUKE
" ENERGY,:
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW005'
Discharge Structure
Open, Grated Concrete
Trenches
Location
Concrete trenches to
Broad River
Latitude - Longitude
35° 13' 14.73" N
81 ° 45' 30.52" W
' e
p.
Drainage Area
2.3 acres
Percent Impervious
70%
Permit Monitoring Table
1
Industrial Activities and
These trenches are used to return river water used to wash debris from the
Description
intake screens and storm water drainage around Raw Water Pumps. The
trenches are open and covered with grating so runoff from the adjacent
areas can enter them. The area surrounding them is relatively flat and
covered with grass and gravel. The Unit 1-4 Powerhouse has been
converted to lined Holding Cell.
Significant
Materials/Potential
Equipment containing petroleum products
Pollutants
BMP Summary
Secondary containments to contain a spill.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCSOOOS71
Outfall ID
SW006
Image not available
Discharge Structure
No longer present
Location
Sheet flow to Broad River
Latitude - Longitude
350 13' 10.22" N
81 ° 45' 30.82" W
Drainage Area
Percent Impervious
Permit Monitoring Table
n/a
Industrial Activities and
Description
This outfall has been abandoned, and the drainage area sheet flows to the
discharge canal.
Significant
Materials/Potential
Pollutants
None
BMP Summary
None
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW007
Image Not Available
Discharge Structure
36" CMP (plugged)
Location
East of Yard drainage
Basin
Latitude - Longitude
350 13' 6.07" N
810 45' 17.65" W
Drainage Area
137 acres
Percent Impervious
40%
Permit Monitoring Table
n/a
Industrial Activities and
Description
This outfall has been abandoned (i.e. plugged on March 2016), and the
drainage area is routed to the lined Holding Cell which is pumped and
discharged through the ash basin.
Significant
Materials/Potential
Pollutants
None
BMP Summary
None
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Outfall Narrative Description and BMP Summa
Location: Rogers Energy Complex
Permit No. NCS000571
Outfall ID
SW008
Image not available
Discharge Structure
15" CMP
Location
Northeast of Units 1-4,
across the Broad River
Latitude - Longitude
36° 17' 1.76" N
80' 3' 35.35" W
Drainage Area
4.5 acres
Percent Impervious
5%
Permit Monitoring Table
n/a
Industrial Activities and
Description
None
Significant
Materials/Potential
Pollutants
None
BMP Summary
None
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Outfall Narrative Description and BMP Sum
O utfa II ID SW 009
Discharge Structure 60" RCP
Location Unit 5 inactive ash basin
Latitude - Longitude 350 13' 0.68" N
810 46' 10.68" W
Draina a Area 165 acres
Percent Impervious 20%
Permit Monitoring Table 2
� Cam' DUKE
Location: Rogers Energy Complex
Permit No. NCS000571
Industrial Activities and The drainage area includes the inactive Unit 5 ash basin, a soil/stockpile
Description area, a pond, and three laydown areas (#1A, #113, and #1C). Stormwater
runoff from the area is collected into sedimentation basins. In the event of
heavy rains, overflow is conveyed through surface drainage channels to
sediment basin #3 (SB-3). Overflow from SB-3 is conveyed from a 42-inch-
diameter concrete pipe into a rock channel, and then into the Broad River.
SB-3 contains a sediment basin skimmer. The following is a list of laydown
or work areas and the corresponding erosion control measures taken for
that area:
• The soil/stockpile area contains excess soil, rock, and concrete
debris from on -site construction activities. Runoff from this area is
conveyed via sheet flow toward SB-3.
• Laydown Area # 1A contains new equipment for site projects under
construction. This area is also used as a staging area for heavy
equipment Drainage is routed toward SB-3 via a surface drainage
swale.
• Laydown Area #1 B is located near the clubhouse and helicopter
pad. This area is a gravel lot with no equipment currently stored on
it. Occasionally, equipment with no liquids is stored in the area.
Runoff from this area is conveyed toward SB-3 via a surface
drainage swale.
• Laydown Area #1 C is located west of the transmission line corridor
that passes through the drainage area. This area is a gravel lot
with no equipment currently stored in it. Occasionally, equipment
with no liquids is stored in the area. Runoff from this area is
conveyed toward sediment basin SB-4. In the event of heavy rains,
runoff is conveyed to the Pond located to the northeast. The Pond
drains to SB-3 via a surface drainage swale.
Significant Oil: There is a service transformer at Warehouse #7. It
Materials/Potential contains 334-gallons of mineral oil.
Pollutants
Heavy mobile equipment.
Inert Laydown: Spare equipment, parts, steel, iron, cable, and
miscellaneous supplies. are stored in the flat, gravel
laydown yard #1A. Similar equipment may be stored in the
laydown yards #1 B and #1 C. The equipment and supplies
stored in the laydown yards generally do not contain
liquids.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part Il, Section A, 2.(c)).

Outfall Narrative Description and BMP Summ
Location: Rogers Energy Complex
Permit No. NCSOOOS71
BMP Summary Oil bearing equipment switchyards
• Construct level grades and gravel surfaces to retard flows and limit
the spread of spills.
• Place heavy equipment on concrete or on temporary containment.
Material Storage Area
• Cover laydown material with a temporary covering made
impervious material.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

(., DUKE
ENERGY_
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW010
Discharge Structure
36" CMP
Location
Broad River
Latitude - Longitude
35' 13' 7.78" N
81'46'4.21"W
Drainage Area
7.3 acres
Percent Impervious
0%
Permit Monitoring Table
n/a
Industrial Activities and
This drainage area conveys water from a perennial stream that starts from
Description
adjoining property. The stream enters a 36" CMP pipe on the West side of
the switchyard and continues under the switchyard. The outfall ends into a
channel between the Broad River and the switchyard and flows into the
Broad River.
Significant
None
Materials/Potential
Pollutants
BMP Summary
None
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part ll, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

DUKE
ENERGY.
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW011�
rw Qr
of
Discharge Structure
30" CMP
Location
Suck Creek
Latitude - Longitude
35' 12' 27.99" N
81 ° 45' 26.28" W
Drainage Area
25 acres
Percent Impervious
0%
Permit Monitoring Table
2
Industrial Activities and
Drainage area includes runoff from gravel parking, laydown areas, and
Description
approximately 1,500 feet railroad tracks. There is approximately 13 acres
of gravel laydown area. Runoff is conveyed into sediment basin SB-1 and
is discharged via a pipe to Suck Creek.
Significant
Inert Laydown: The site is vacant now. Spare equipment, parts, steel,
Materials/Potential
cable, and miscellaneous supplies may be stored in
Pollutants
laydown areas throughout the drainage area. The
equipment and supplies generally do not contain
liquids.
Ash Hauling: The drainage area includes regular fly ash and bottom
ash haul routes.
Coal and Limestone: Rail cars carrying coal and limestone use the rail
lines that pass through this drainage area.
BMP Summary
Material Storage Area
• Cover laydown material with a temporary covering made
impervious material.
Fugitive Dust Emission
• Utilize dust suppression control technologies to minimize offsite
tracking of spilled ash and coal dust.
• Wash vehicles or brush off residue in a designated area where
wash water and residue can be controlled.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part ll, Section A, 2.(c)).

47 DUKE
ENERGY..
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW012>�
'^ a
�.
Discharge Structure
30" CMP
Location
Suck Creek
Latitude - Longitude
35' 12' 46.13" N
81°45'25.31"W
Drainage Area
29.3 acres
Percent Impervious
10%
Permit Monitoring Table
2
Industrial Activities and
This drainage area covers a portion of the gravel parking lot, a portion of
Description
the Unit 6 cooling tower, the locomotive storage building, a portion of the
gypsum and fly ash haul road, and railroad tracks. Runoff is conveyed into
sediment basin SB-2 and is discharged via a pipe to Suck Creek.
Significant
Inert Laydown: The site is vacant now. Spare equipment, parts, steel,
Materials/Potential
cable, and miscellaneous supplies may be stored in
Pollutants
laydown areas throughout the drainage area. The
equipment and supplies generally do not contain
liquids.
Ash Hauling: The drainage area includes regular fly ash and bottom
ash haul routes.
Coal and Limestone: Rail cars carrying coal and limestone use the rail
lines that pass through this drainage area.
BMP Summary
Material Storage Area
• Cover laydown material with a temporary covering made
impervious material.
Fugitive Dust Emission
• Utilize dust suppression control technologies to minimize offsite
tracking of spilled ash and coal dust.
• Wash vehicles or brush off residue in a designated area where
wash water and residue can be controlled.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

*' *'ENERGY,
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW015
A�
'1Ys
Discharge Structure
9
Series of 13 HDPE pipes
(representative size 8")
y ,
Location
Suck Creek
Latitude - Longitude
35' 12' 53.15" N
810 45' 23.49" W
Drainage Area
1.0 acres
l
Percent Impervious
0%r�
Permit Monitoring Table
n/a`
Industrial Activities and
Drainage area includes runoff from railroad tracks where limestone is
Description
unloaded from rail cars.
Significant
Limestone and Coal: Rail cars carrying limestone and coal use the rail
Materials/Potential
lines that pass through this drainage area.
Pollutants
BMP Summary
Fugitive Dust Emission
• Utilize dust suppression control technologies to minimize offsite
tracking of spilled limestone and coal.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Outfall Narrative Description and BMP Summary
! DUKE
ENERGY,.
Location: Rogers Energy Complex
Permit No. NCS000571
Outfall ID
SW016
Discharge Structure
5 CMP's beneath the
railroad
Location
Suck Creek
Latitude - Longitude
35' 12' 17.94" N
810 45' 43.03" W
'
'
Drainage Area
70 acres
Percent Impervious
0%
Permit Monitoring Table
n/a
Industrial Activities and
Drainage area includes runoff from approximately 5,000 feet of railroad
Description
tracks, a gravel parking/laydown area, a portion of the haul road to the fly
ash/gypsum landfill, part of Duke Power Road and the largely vegetated
area east of the entrance to the plant. Runoff is conveyed into sediment
basins RD-1, RD-5, SB-5, and SB-6 and is discharged via pipes to Suck
Creek.
Significant
Oil: There are two fuel tanks in this drainage area as part
Materials/Potential
of the landfill contractor's mobilization area. There is
Pollutants
a 500-gallon gas fuel tank and 1,000-gallon diesel
fuel tank. Both tanks are double -walled. There is a
service transformer at the security building. It
contains 152-gallons of mineral oil.
Inert Laydown: The site is vacant now. Spare equipment, parts, steel,
cable, and miscellaneous supplies may be stored in
laydown areas throughout the drainage area. The
equipment and supplies generally do not contain
liquids.
Ash Hauling: The drainage area includes regular fly ash and bottom
ash haul routes.
Coal and Limestone: Rail cars carrying coal and limestone use the rail
lines that pass through this drainage area.
BMP Summary
Large Bulk Fuel Storage
• Maintain double -walled tanks or secondary containment.
• Inspect storage tanks and piping systems (pipes, pumps, flanges,
couplings, hoses, and valves) for failures or leaks and perform
preventive maintenance.
• Implement spill plans or spill prevention, containment, and
countermeasure (SPCC) plans.
Fugitive Dust Emission
• Utilize dust suppression control technologies to minimize offsite
tracking of spilled ash and coal dust.
• Wash vehicles or brush off residue in a designated area where
wash water and residue can be controlled.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

(� DUKE
�C ENERGY
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
Landfill Drainage Area
`?
Discharge Structure
4 CMP's beneath the
railroad tracks
Location
Suck Creek
Latitude - Longitude
35' 12' 11.53" N
81 ° 46' 21.77" W
Drainage Area
123 acres
Percent Impervious
0%
Permit Monitoring Table
2
Industrial Activities and
Drainage area includes runoff from approximately 2,000 feet of railroad
Description
tracks, a portion of the haul road to the fly ash/gypsum landfill, exterior
landfill slopes, and non -contact landfill stormwater. Runoff is conveyed into
various sediment basins and is discharged via pipes to Suck Creek.
Significant
Ash Hauling: The drainage area includes regular fly ash and bottom
Materials/Potential
ash haul routes.
Pollutants
Coal and Limestone: Rail cars carrying coal and limestone use the rail
lines that pass through this drainage area.
Erosion: Landfill embankments and earthen haul roads are
susceptible to erosion during significant rainfall
events.
Leachate Pond: Leachate is pumped to Unit 6 then conveyed through
yard drainage system to the waste Water Treatment
Facility.
BMP Summary
Fugitive Dust Emission
• Utilize dust suppression control technologies to minimize offsite
tracking of spilled ash and coal dust.
• Wash vehicles before they leave the excavation site in a
designated area where wash water can be controlled (i.e. truck
wash).
Delivery Vehicles
• Inspect all vehicles arriving on the plant site and ensure overall
integrity of the body or container.
Erosion Control
• Install and regularly maintain erosion and sedimentation control
devices.
• Stabilize embankments with vegetation and repair bare spots or
recently eroded areas.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part 11, Section A, 1.(b)) and BMP Summary (Part 11, Section A, 2.(c)).

(.� DUKE
C' ENERGY
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
Laydown Area #2
Discharge Structure
30" CMP
Location
Broad River
Latitude - Longitude
35' 12' 17.94" N
81 ° 45' 43.03" W
Drainage Area
10.8 acres
Percent Impervious
0%
Permit Monitoring Table 12
Industrial Activities and Stormwater runoff from the area is collected in a sedimentation basin (SB-
Description 7). Overflow from would be conveyed to a nearby stream that feeds into
the Broad River, but overflow is not a normal occurrence. Runoff is
conveyed into sediment basins SB-7 is discharged via rock weir to an
unnamed tributary the Broad River.
Significant Inert I..aydown- Spare equipment, parts, steel, iron, cable, and
Materials/Potential miscellaneous supplies may be stored in the flat, gravel
Pollutants laydown yard. The equipment and supplies stored in the
laydown yards generally do not contain liquids.
BMP Summary Material Storage Area
• Cover laydown material with a temporary covering made
impervious material.
Fugitive Dust Emission
• Utilize dust suppression control technologies to minimize offsite
tracking of spilled ash and coal dust.
• Wash vehicles before they leave the excavation site in a
designated area where wash water can be controlled (i.e. truck
wash).
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Outfall Narrative Description and BMP Summa
Outfall ID
SW017
Discharge Structure
Concrete Flume
Location
Suck Creek
Latitude - Longitude
350 13' 1.66" N
81 ° 45' 15.68" W
Drainage Area
0.8 acres
Percent Impervious
20%
Permit Monitoring Table 12
(•� DUKE
ENERGY,
Location: Rogers Energy Complex
Permit No. NCS000571
Industrial Activities and Drainage area includes runoff from an access road leading to the active ash
Description basin bordered on either side by natural area. The road is paved to the
intersection with other gravel roads and runoff is collected and conveyed by
roadside ditches. There are currently no industrial activities performed in
the drainage area.
Significant None
Materials/Potential
Pollutants There are currently no industrial activities performed in the drainage area. It
is being presented since it discharges to waters of the
State.
BMP Summary I e Paved Road
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

�( DUKE
ENERGY_
Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW018a
Discharge Structure
Concrete Flume
Location
Broad River
Latitude - Longitude
35' 13' 2.87" N
81 ° 45' 9.94" W
-
Drainage Area
15.5 acres
Percent Impervious
5%
Permit Monitoring Table
2
Industrial Activities and
Drainage areas include runoff from natural areas and access roads leading
Description
to the active ash basin. There is a legacy ash structural fill in the drainage
area but it is stabilized with an earthen cover and vegetated. The roads are
mostly gravel through the drainage area. There are currently no industrial
activities performed in the drainage area.
Significant
Ash Stack that is covered in vegetation.
Materials/Potential
Pollutants
BMP Summary
Maintain vegetation coverage.
Inspect for erosion and repair as necessary.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part Il, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Location: Rogers Energy Complex
Outfall Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
SW018b
Discharge Structure
Concrete Flume
Location
Broad River
Latitude - Longitude
350 13' 2.96" N
81' 45' 9.19" W
Drainage Area
15.5 acres
Percent Impervious
5%
Permit Monitoring Table 12
Industrial Activities and Drainage areas include runoff from natural areas and access roads leading
Description to the active ash basin. There is a legacy ash structural fill in the drainage
area but it is stabilized with an earthen cover and vegetated. The roads are
mostly gravel through the drainage area. There are currently no industrial
activities performed in the drainage area.
Significant I Ash Stack that is covered in vegetation.
Materials/Potential
Pollutants
BMP Summary I Maintain vegetation coverage.
Inspect for erosion and repair as necessary.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Outfall Narrative Description and BMP Summary
DUKE
ENERGY,
Location: Rogers Energy Complex
Permit No. NCS000571
Outfall ID
SW019
I�E'
Discharge Structure
Location
Broad River
Latitude - Longitude
35' 13' 2.95" N
81 ° 45' 9.2" W
flu
`..;
Drainage Area
6.4 acres
Percent Impervious
0%
Permit Monitoring Table
2
Industrial Activities and
Drainage area includes runoff from an access road leading to the ash basin
Description
outfall bordered on either side by natural area. The road is paved from the
intersection with other gravel roads and runoff is collected and conveyed by
roadside ditches. There are currently no industrial activities performed in
the drainage area.
Significant
None
Materials/Potential
Pollutants
BMP Summary
None
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part Il, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

Outfall Narrative Description and BMP Summa
Outfall ID Unit 6 Switchyard
Discharge Structure 3 RCP's to rock weir
Location McCombs Rod
Latitude - Longitude 35' 13' 32.18" N
81 ° 44' 54.12" W
Drainage Area 12 acres
Percent Impervious 0%
Permit Monitoring Table I n/a
DUKE
ENERGY,
Location: Rogers Energy Complex
Permit No. NCS000571
Industrial Activities and Drainage area includes the Unit 6 500 kV switchyard. The switchyard is
Description relatively flat and elevated slightly above the surrounding ground. There
are approximately 12 acres of gravel area including access roadways within
this drainage basin.
Significant
Materials/Potential
Pollutants
BMP Summary
Oil: All transformers in the 500-kV switchyard is air/gas cooled
except for the step-down transformer for switchyard control
house.
Oil bearing equipment switchyards
• Collect stormwater runoff in perimeter ditches and route around
switchyard.
Notes:
1. Outfall fact sheet provides documentation for permit sections for narrative description of potential
pollutants (Part II, Section A, 1.(b)) and BMP Summary (Part II, Section A, 2.(c)).

z
Location: Rogers Energy Complex
Yard Drainage Basin Narrative Description and BMP Summary Permit No. NCS000571
Outfall ID
Discharge Structure
Lined Basement Basin
Pumped to Aux Basin then
pumped to Waste Water
Treatment Equalization
Tanks
Location n/a
Latitude -Longitude n/a
Drainage Area 137 acres
Percent Impervious 40%
Permit Monitorinq Table n/a
Image Not Available
Industrial Activities and The yard drainage basin (lined Holding Cell) contains industrial activities
Description that previously discharged through SW003 and SW007 (emergency
overflows only). Both these outfalls have been plugged and abandoned
and no longer discharge. This information is being retained in the event
those outfalls are brought back into service although there is no plan for
such action.
The Yard Drainage Basin drainage areas receive runoff from yard areas,
and cooling towers for both Units 5 and 6. In 2019 runoff from coal pile,
gypsum pile, and limestone pile was rerouted to the New Holding Basin.
Significant The following materials may only be discharged in the rare occurrence that
Materials/Potential a significant rainfall event generates enough runoff to overtop the holding
Pollutants pond.
Oil: There are several fuel oil tanks in the plant yards
associated with the operation of Unit 5, Unit 6,
FGD, and coal handling equipment.
Unit 5 powerhouse contains the following:
• 6,000-gallon Unit 5 turbine tube oil reservoir
• 1,800 gallons of two 900-gallon Boiler Feed
Pumps containing tube oil
• 2,640 gallons of six 440-gallon Pulverizer mills
containing lube oil
• 630 gallons of ten 63-gallon oil bins for
miscellaneous use
Unit 5-yard area contains the following:
• 50,000-gallon fuel oil storage tank
• 35,000-gallon fuel oil storage tank
• 13,905-gallon Transformer 5CTA containing
mineral oil
• 13,905-gallon Transformer 5CTB containing
mineral oil
• 13,380-gallon Transformer 5 UT containing
mineral oil
• 8,132-gallon FGD An Auxiliary transformer
containing mineral oil
• 8,132-gallon FGD B Auxiliary transformer
containing mineral oil
Page 23 of 27

Location: Rogers Energy Complex
Yard Drainage Basin Narrative Description and BMP Summary Permit No. NCS000571
• 6,080 gallons of numerous190-gallon
Transformers for Unit 5 precipitators containing
mineral oil
• 6,000-gallon diesel fuel oil tank and dispenser
® 4,000-gallon used oil storage tank
® 3,907-gallon Transformer 5 UT containing
mineral oil
• 2,760 gallons of numerous 55-gallon new oil
drums storage area
® 2,750-gallon fuel oil storage for emergency
diesel generator
® 1,760-gallon of numerous 55-gallon oil drums
in sand blast building
® 500-gallon diesel tank for emergency fire pump
• 270-gallon Unit 5 Yard Auxiliary transformer
containing mineral oil
FGD area contains the following:
• 370 gallons of two each of 90- and 95-gallon oil
reservoirs for Booster Fan gallon containing
mineral and hydraulic oil
• 312 gallons of three 104-gallon oil reservoirs
for Oxidation Blowers containing lube oil
® 240 gallons of two 120-gallon lube oil
reservoirs
® 183 gallons Emergency Quench Pump tank
containing diesel
• 500 gallons Emergency Fire Pump tank
containing diesel
• 220 gallons of four 55-gallon drums of oil in
absorber building
• 440 gallons of eight 55-gallon drums of oil in
gypsum dewatering building
® 220 gallons of four 55-gallon drums of oil in
gypsum dewatering building
Unit 6 area contains the following:
• 12,150-gallon Turbine Lube Oil tank
• 528-gallon Turbine Hydraulic Oil tank
• 1,730-gallon Boiler Feed Pump Turbine A Lube
Oil tank
® 1,730-gallon Boiler Feed Pump Turbine A Lube
Oil tank
• 250-gallon Boiler Feed Pump Turbine A
Hydraulic Oil tank
® 250-gallon Boiler Feed Pump Turbine B
Hydraulic Oil tank
® 630 gallons of six 105-gallon Coal Mill
Pulverizer Hydraulic Oil tanks
• 400-gallon Generator Main Seal Oil tank
® 150 gallons of two 75- allon Unit 6A and 6B Air
Page 24 of 27

Location: Rogers Energy Complex
Yard Drainage Basin Narrative Description and BMP Summary Permit No. NCS000571
Heater Bottom Bearing Oil reservoirs
• 400 gallons of four 100-gallon FD and PA Fan
Bearing Oil reservoirs
• 100-gallon Bottom Ash Hydraulic Power Unit
Reservoir
® 45,732 gallons of three 15,244-gallon Unit 6
GSU Transformers containing mineral oil
® 15,244-gallon Unit 6 GSU Spare Transformers
containing mineral oil
® 23,145 gallons of two 7,715-gallon Unit 6
Auxiliary Transformers containing mineral oil
® 5,500 gallons of 100 55-gallon drums of oil in
Unit 6 warehouse
® 2,000 gallons of various sized totes and 55-
gallon drums of oil in Unit 6 Oil house
® 334-gallon Unit 6 Turbine Building exterior
service transformer containing mineral oil
® 136,000-gallon Unit 6 Fuel Oil Storage Tank
• 900-gallon Unit 6 Emergency Diesel Generator
• 400 gallons of two 200-gallon ID Fan A and B
Hydraulic Oil reservoir
® 240 gallons of two 120-gallon ID Fan A and B
Lube Oil reservoir
• 550 gallons of ten 55-gallon drums of oil on
Unit 6 Cooling Tower
® 60-gallon Coal Handling Car Positioner
containing lube oil
® 100-gallon Coal Handling Car Holder
containing lube oil
The 810-level area contains the following:
® 481-gallon Service Transformer containing
mineral oil
• 1,100 gallons of five 55-gallondrums of
petroleum in Drum Storage Shed
Chemicals: A 6,000-gallon tank of 93 percent sulfuric acid and
a 6,000-gallon tank of 50 percent sodium hydroxide
are located on the northeast side of the Unit 5
powerhouse. There is a 5,000-gallon tank of
sulfuric acid and a 5,000-gallon tank of ferric
sulfate at the pretreatment of Unit 5. The old
variable speed induced draft fan drives contain
about 300 gallons of glycol, and the forced draft
variable speed house contains 200 gallons of
propylene glycol. There is a tank near Unit 5
CEMS building that contains less than 2,000
gallons of anhydrous ammonia. There are two
45,000-gallon anhydrous ammonia tanks with
secondary containment for the SCR adjacent to the
Page 25 of 27

Location: Rogers Energy Complex
Yard Drainage Basin Narrative Description and BMP Summary Permit No. NCS000571
clarifier. There are two 601000-gallon anhydrous
ammonia tanks installed for Unit 6.
Coal: Runoff from the coal pile goes to the holding basin.
Coal dust is present along the railroad tracks, coal
handling areas, and the plant yard.
Ash: Wet ash is sluiced through this basin to the ash
settling basin. The ash pipelines are both
aboveground and in concrete trenches. Dry fly ash
is transferred from the plant to the ash silos
through above grade pipelines. The dry fly ash is
transferred from the ash silos to trucks for transport
to off -site projects where it is used as a concrete
additive. Dry ash may also be landfilled on -site.
Hazardous Waste: Hazardous wastes are accumulated and stored on
a temporary basis under cover in hazardous waste
areas adjacent to the Unit 5 new oil house.
Laydown Areas and Temporary Staging Areas: Spare equipment, parts,
steel, cable, and miscellaneous supplies are stored
in laydown areas throughout the site. The
equipment and supplies generally do not contain
liquids.
Wastewater: Plant wastewater from equipment discharges, floor
drains, sumps, FGD wastewater treatment plant,
and the wash station is routed to the plant yard
drainage sump. This wastewater may include oil,
chemical, and hazardous waste spills.
Gypsum and Limestone: Runoff in the area of the gypsum and limestone is
conveyed to a stormwater pond and is ultimately
discharged to the ash basin.
Ash Hauling: The drainage area includes regular fly ash and bottom
ash haul routes.
BMP Summary Large Bulk Fuel Storage
• If area is uncovered, connect storm drainage system to oil trap
tank. Ensure that regular inspections and maintenance procedures
are in place.
• If containment structures have drains, ensure that the drains have
valves, and that valves are maintained in the closed position.
Institute protocols for checking/testing stormwater in containment
areas prior to discharge.
• Use double -walled tanks or secondary containment.
• Inspect storage tanks and piping systems (pipes, pumps, flanges,
couplings, hoses, and valves) for failures or leaks and perform
preventive maintenance.
• Properly dispose of chemicals that are no longer in use.
• Implement spill plans ors ill prevention, containment, and
Page 26 of 27

s
Location: Rogers Energy Complex
Yard Drainage Basin Narrative Description and BMP Summary Permit No. NCS000571
countermeasure (SPCC) plans.
Liquid Storage Tanks
• Inspect transformers for failures or leaks and perform preventive
maintenance.
• Use dry cleanup methods for spills.
• Train employees in spill response protocols.
Oil bearing equipment switchyards
• Construct level grades and gravel surfaces to retard flows and limit
the spread of spills.
Equipment maintenance
• Promptly transfer used fluids to the proper container; do not leave
full drip pans or other open containers around the shop. Empty and
clean drip pans and containers.
Ash Basin/Structural Fill Excavation
• Wash vehicles before they leave the excavation site.
• Inspect all ash hauling vehicles for adequate gate sealing and
overall integrity of the body or container. Repair vehicles lacking in
the above qualities.
• Park ash hauling vehicles and equipment to drain to ash excavation
area or rinse and clean beds and bottoms of trucks prior parking
outside limits of disturbance.
• Utilize dust suppression control technologies to minimize offsite
tracking of spilled ash.
Page 27 of 27

Attachment 5
Narrative of Significant Changes at Rogers Energy Complex

Rogers Energy Complex
Industrial Stormwater Activity Changes
The most significant changes at Rogers Energy Complex with respect to industrial
stormwater activities since the permit NCS000571 became effective on October 1, 2015
include the following:
1. Representative Outfall Status (ROS) was approved for the following storm water
outfalls:
® SW001 as representative of SW002;
® SW011 as representative of SW012;
® A single point (SW015-13) in the group of 13 drains as representative of SW015
— 1-13;
® A single point (SW016-42") in the group of five drains for SW016 as
representative of SW016-24", SW016-30", SW016-35" and SW016-54";
® A single point (Landfill Drainage-18") in a group of four drains for the Landfill
Drainage Area as representative of Landfill Drainage-21", -36" and -42"; and
® SW018A as representative of SW018B.
2. SW007 was plugged. Its drainage area was converted to a wastewater treatment
system. Note this outfall is currently listed in the industrial permit on page 10.
3. There are no industrial activities associated with outfalls SW008, SW010, SW019
and the Unit 6 switchyard.
4. The haul road to the ash landfill was paved.
5. Three large basins were constructed that collect wastewater and stormwater. One
basin (Basement Basin) was built in the footprint of the demolished Unit 1-4 power
station. This basin collects stormwater run-off from Unit 5 and 6. The stormwater
collected in the Basement Basin is pumped to the Auxiliary Basin for processing in the
site wastewater treatment system (NPDES permitted outfall 005). Two other basins
(Holding Basin and Auxiliary Basin) were constructed in the Unit 1-4 retired ash basin
after all ash was removed from this ash basin. The Holding Basin receives stormwater
run-off from the coal, limestone and gypsum piles. This water is processed in the
wastewater treatment system.

Attachment 6
Certification of Development and Implementation of
Stormwater Pollution Prevention Plan

I STORMWATER POLLUTION PREVENTION PLAN I
DEVELOPMENT AND IMPLEMENTATION
ERTIFICATION
North Carolina Division of Energy, Mineral, and Land Resources - Stormwater Permitting
Facility Name: Rogers Energy Complex
Permit Number: NCS000571
Location Address: 573 Duke Power Road, Mooresboro, NC 28114
County: Cleveland and Rutherford Counties
"I certify, under penalty of law, that the Stormwater Pollution Prevention Plan (SPPP) document and all
attachments were developed and implemented under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information required by the SPPP.
Based on my inquiry of the person or persons who manage the system, or those persons directly responsible
for gathering the information, the information gathered is, to the best of my knowledge and belief, true,
accurate and complete."
And
"I certify that the SPPP has been developed, signed and retained at the named facility location, and the SPPP
has been fully implemented at this facility location in accordance with the terms and conditions of the
stormwater discharge permit."
And
"I am aware that there are significant penalties for falsifying information, including the possibility of fines and
imprisonment for knowing violations."
Sign (according to permit signatory requirements) and return this Certification. DO NOT
SEND STORMWATER POLLUTION PREVENTION PLAN WITH THIS CERTIFICATION.
A
Signature
Dave Barnhardt
Print or type name of person signing above
Date 3 ),-91 %y
General Manager II
Title
SPPP Certification 10/13

:n DUKE
ENERGY.
FROGRESS
March 20, 2020
RECEIVED
MAR 2 5 2020
&- fled Mail#70181130Cool 44f9-0438(2copies) LAND QUALITY
Annette Lucas MINING PROGRAM
NCDEMLR- Stormwater Permitting Program
1612 Mail Service Center
Raleigh, NC 27699-1 a 12
Subject: Annual Non-stormwater Discharge Evaluation and Certification
Dear Ms, Lucas:
W H 'Wealherspocn Plant
431 i vnpr Plain Rd
L xnt,eMn, N(32a368
MX4ng Addr93,3
Kent Tynd311
L V Sutton Energy Cptex
801 Sutton Stearn Plant Rd
tr knington NC 28401
As required by Part 11, Section A. (1)(e.) of Duke Energy Progress, LLC's W. H. Weatherspoon
NPDES Stormwater Permit NCS000589, Duke hereby submits this certification of stormwater
outfalls for the presence of non-stormwater discharges.
910,341-4775
The following permitted stormwater outfalls have been evaluated by visual observation for the
presence of non-stormwater discharges:
• Outfall SW-1: Runoff from an area draining the access road;
• Outfall SW-2: Runoff from areas draining the access road, ditches along an abandoned
railroad, an admin building, and a vegetative area adjacent to the power plant;
• Outfall SW-3: Runoff from areas draining the western edge of the access road and a picnic
area adjacent to the power plant
Please note Section 8 (page 6 of 17) of our permit state:
©utfalls SW-2 and SW-3 are influenced by groundwater. Should discharge characteristics or
influences change such that discharges contain contaminated groundwater or other waters not
authorized by this permit, the permittee will be required to obtain or modify a wastewater permit to
cover these discharges or find an alternative to direct discharge.
If there are any questions, please contact either:
• Mr. Kent Tyndall, Environmental Professional for the W. H. Weatherspoon Plant; phone
[phone] or e-mail Kent. Tyndall Rduke-energy .com: or
• Ms. Joyce Dishmon, Environmental Specialist in our Permitting & Compliance Group, phone
[phone] or email Jo ce.Dishmon @ duke-engMy.cpm.
i certify, under penalty of law, that this document and ail attachments were prepared under my direction or
supervision in accordance with a system designed to assure that qualified personnel property gather and evaluate the
information submitted. Based on my inquiry of the person or persons who manage the system, or those persons
directly responsible for gathering the information, the information submitted is, to the best of my knowledge and
belief, tare, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and impriisonment for knowing violations.
Sincere(
Jeffrey f= anagan
Station Manager

�� DUDE
e ENERGY.
PROGRESS
March 20, 2020
Certified Mail # 7018 1130 0001 4419 9498 (2 copies)
Annette Lucas
NCDEMLR- Stormwater Permitting Program
1612 Mail Service Center
Raleigh, NC 27699-1612
Subject: Annual Non-stormwater Discharge Evaluation and Certification
Dear Ms. Lucas:
W. H. Weatherspoon Plant
491 Power Plant Rd
Lumberton, NC 28358
h?ailing Address.
Kent Tyndall
L. V. Sutton Energy Complex
801 Sutton Steam Plant Rd
Wilmington, NC 28401
As required by Part II, Section A. (1)(e.) of Duke Energy Progress, LLC's W. H. Weatherspoon
NPDES Stormwater Permit NCS000589, Duke hereby submits this certification of stormwater
outfalls for the presence of non-stormwater discharges.
910.341-4775
910-341-4790
The following permitted stormwater outfalls have been evaluated by visual observation for the
presence of non-stormwater discharges:
• Outfall SW-1: Runoff from an area draining the access road;
• Outfall SW-2: Runoff from areas draining the access road, ditches along an abandoned
railroad, an admin building, and a vegetative area adjacent to the power plant;
• Outfall SW-3: nunoff from areas draining the western edge of lire access road and a plcnlc
area adjacent to the power plant
Please note Section B (page 6 of 17) of our permit state:
Outfalls SW-2 and SW-3 are influenced by groundwater. Should discharge characteristics or
influences change such that discharges contain contaminated groundwater or other waters not
authorized by this permit, the permittee will be required to obtain or modify a wastewater permit to
cover these discharges or find an alternative to direct discharge.
If there are any questions, please contact either:
• Mr. Kent Tyndall, Environmental Professional for the W. H. Weatherspoon Plant; phone
[phone] or e-mail Kent.Tyndall @duke-energy.com; or
• Ms. Joyce Dishmon, Environmental Specialist in our Permitting & Compliance Group, phone
[phone] or email [e-mail].
l certify, under penalty of law, that this document and all attachments were prepared under my direction or
supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the
information submitted. Based on my inquiry of the person or persons who manage the system, or those persons
directly responsible for gathering the information, the information submitted is, to the best of my knowledge and
belief, true, accurate, and complete. l am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations.
Sincerely,
Jeffrey Flanagan
Station Manager

Ms. Annette Lucas
Annual Non-stormwater Discharge Evaluation and Certification
Dated: March 20, 2020
Page 2
Non-Stormwater Discharge Assessment
W. H. Weatherspoon Plant
NPDES Stormwater Permit # NCS000589
Section t3 (page 6 of 17) of our permit state `Outfalls SW-2 and SW-3 are influenced by groundwater'.
Section B (page 6 of 17) of our permit state `Outfalls SW-2 and SW-3 are influenced by groundwater'.