NCS000571_Monitoring Report_20210917

(' DUKE
ENERGY-.
Duke Energy Carolinas, LLC
Rogers Energy Complex
573 Duke Power Road
Mooresboro, NC 28114
September 14, 2021
NC Environmental Quality - DEMLR
Attention: Stormwater DMR
610 East Center Avenue, Suite 301 o�°�0 f �G
Mooresville, NC 28115
Subject: Duke Energy Carolinas, LLC
NPDES Stormwater Discharge Monitoring Report for:
Rogers Energy Complex - NCS000571— Cleveland / Rutherford Counties
Year 6 — Period 2 DMR Submittal —August 2021 DMR
Dear Sir or Madam:
In accordance with Part III, E(2) of the above referenced NPDES Stormwater permit, the original and one
copy of the Stormwater Discharge Outfall (SDO) monitoring report for part of the Year 6 — Period 2 (August)
are attached.
A summary of analytes reported at concentrations above the permit benchmarks for August sampling event
is provided below:
Permitted Outfall
Date Sampled
Analyte
Reported
Concentration
Permit
Benchmark
SWO04
8/3/2021
Zinc
0.179 m 1
0.126 m I
Please direct any correspondence or questions concerning the Rogers Energy Complex NPDES Stormwater
Program to Steve Hodges at [phone].
"I 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. I am aware that there are significant penalties for
submitting false information, including the possibility of fines and imprisonment for knowing violations."
Sincerely,
#21
e*� ,
Jeffrey A. Joyce
General Manager II
Rogers Energy Complex - Cliffside Steam Station
Regulated and Renewable Energy - Carolinas Coal Generation
Electronic w/attachment:
USPS Tracking Number:
7017 2620 0000 7558 5595
Elizabeth Glenn
Mooresville Regional Office (original plus one copy)

STORM WATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS000571
J
FACILITY NAME
PERSON COLLECTING SAMPLE(S)
CERTIFIED LABORATORY(S)
c= I 1
.. 9 ecinr Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2021
(This monitoring report shall be received by the Division no later than 30 days from the dAe the
facility receives the sampling results from the laboratory.)
COUNTY RUTHERFORD
PHONE NO. [phone]
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2
....... ..,__..._._____. e
00400
01077
01002
OI022
01012
01027
0103d
OuHall Date
50050
Silver,Totul(as
Arseni4Total(as
Boron, Total(as
Beryllium, Total
Cadmium,Total
Chromium, Total
No.
Sample
Total Flow (if
Tolvl Rainfall
PH
As)
E)
(as De)
(as Cd)
(as Cr)
Collected
app.)
Ag)
mold r
MG
inches
SI
111911,
<0.0003
en
0.00214
m L
<0.05
m L
<0.001
m
<O.o01
an
<0.001
SW001
8/3t2021
N/A
0.68
6.7
SW064
81312021
N/A
0.68
7.1
Date
01042
01067
01051
Total
01097
Antimony, Total
01147
Selenium, Total
01059
Thallium, Total
01092
Zinc, Total (as Zn)
71900
Total
Method
CO530
, Total
Suspended-
Sample
Copper, Total (as
Nickel, Total(as
Lead, (as
(as Se)
(as Ti)
161E,
Method 1631E
Suspended-
Collectnl
Cu)
Nt )
Ph)
(as Sb)
Concentration
:SW00I
moldd/ r
ro L
m L
m
m L
<0.001
ro L
<0.001
ro L
c0.00W
m L
0.079
n L
4.07
m L
e/312021
<0.002
<0.001
<0.001
0.00102
0.179
3.20 Av
2.6
8/3/2021
0.00574
Outfall
Date
00556
No.
Sample
Oil & Grease
Collected
mo/dd/ r
m L
Swool
80/2021
SWo04
8/3/2021
<5
Avg - Average of primary and duplicate Mercury, Total Method 1631 E samples (3.18 np/1 and 3.22 ng/1= 3.20 ng/L).
Benchmark exceedaums include Zinc, Total (as Zn) at SWO04
Form SW U-247, last revised 716/2016
Page 1 of 2

Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month?
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
yes X no
Total Rainfall
00556
Oil & Grease (if
appl.)
Non -polar
O&G/PPH
(Method 1664
SGT-HEM), if
appl.
00530
Total Suspended
Solids
00400
pH
New Motor Oil
Usage
50050
Total Flow (if
applicable)
inches
inm
unit
Umo
MG
STORM EVENT CHARACTERISTICS:
Mail Original and one copy to:
Date 08/03/2021 Division of Water Quality
Total Event Precipitation (inches): 0.68 Attn: Central Files
Event Duration (hours): (only if applicable — see permit.) 1617 Mail Service Center
Raleigh, North Carolina 27699-1617
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
"I 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. I am aware that there are significant penalties for submitting false information, including the possibility of fines and
imprisonment for knowing violations."
(Date)
Permit Number NC5000571
Form SWU-247, last revised 7/6/2016
Page 2 of 2