NCS000573_MONITORING INFO_20190227

STORMWATER DIVISION CODING SHEET
NCS PERMITS
PERMIT NO.
Uoo�-72
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DOC TYPE
❑FINAL PERMIT
MONITORING REPORTS
❑ APPLICATION
❑ COMPLIANCE
❑ OTHER
DOC DATE
❑ oU19 6 J cD- /
YYYYMMDD

DUKE
ENERGY,
February 21, 2020
NC Department of Environmental Quality
Attention: Central Files
Division of Water Resources
1617 Mail Service Center
Raleigh, NC 27699-1617
Belews Creek Steam Station
3195 fine Hull Road
Mews Creek, NC
336-445-0642
RECEIVED
FEB 2 7 Z019
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4 s; :c-riom
Subject: Duke Energy Carolinas, LLC
NPDES Storm Water Discharge Monitoring Report for: January 2020
Belews Creek Steam Station — NCS000573 — Stokes County
In accordance with Part III, E (2) of the above referenced NPDES Storm Water permit,
the original and one copy of the DMR for January 2020 for the permitted storm water
outfalls is enclosed. The period for sampling for the outfalls in Tier status ended on
January 31, 2020.
Outfall SWO06 remains in Tier Three status for Zinc and Copper. Outfall SW003 and
Outfall SW018A are in Tier Two status for TSS.
All values reported on the attached reports are dependent on the accuracy of approved
analytical methods used to measure parameters.
Please direct any correspondence or questions concerning the Belews Creek Steam
Station NPDES Storm Water Program to Brenda Johnson (336)-445-0634 or
Joyce Dishmon at [phone].
Jeffrey A. Joyce has been assigned delegated signatory authority in the absence of
Reginald D, Anderson.
Sincerely,
Reginald D. Anderson
General Manager lil, Regulated Stations
Belews Creek Steam Station
Power Generation Carolinas East

Delegated Signatory Authority,
g
Jeffrey A. oyce
Operations Manager
Belews Creek Steam Station
Power Generation Carolinas East

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS000573
FACILITY NAME Belews Creek Steam Station
PERSON COLLECTING SAMPLE(S) Chris Atweli/Dylan Dwver
CERTIFIED LABORATORY(S) Duke Energy Carolinas, LLC NC Lab #248
Shealy Environmental Services, Inc. NC Lab #329
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2020
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Stokes
PHONE NO. [phone]
SIGNATURE OF PERM ITTEE OR DESIGNEE
REQUIRED ON PAGE 3.
Outfall
No.
Date
Sample
Collected
50050
00400
01077
01002
01022
'01012
01027
Total
Flow (if app.)
Total
Rainfall
pH
Silver, Total (as
Ag)
Arsenic,
Total (as As)
Boron, Total
(as B)
Beryllium,
Total'(as Be)
Cadmium,
Total (as Cd)
mo/dd/ r
MG
inches
m L
m L
m
m L
m
SWO03
NIA
NIA
1.04
NO QUALIFYING FLOW FOR JANUARY 2020
SWO05
1/24/20
NIA
1.04
6.2
<0.0002
0.00125
0.099
<0.001
<0.00I
S WO06
1/24/20
NIA
1.04
7.0
<0.0002
0.00101
<0.05
<0.001
<0.001
SW007.
1/24/20
N/A
1.04
7.1
SWO09
NIA
N/A
1.04
NO QUALIFYING FLOW FOR JANUARY 2020
SWO11
1/24/20
N/A
1.04
7.5
SW013
1/24120
N/A
1.04
7.0
SWO18A
1/24/20
NIA
1.04
6.8
Outfall
No.
Date
Sample
Collected
01034
01042
01067
01051
01097
01147
0.1059
01092
Chromium,
Total (as Cr)
Copper, Total
(as Cu)
Nickel, Total
(as NO
Lead, Total
(as Ph)
Antimony,
Total (as Sb)
Selenium,
Total (as Se)
Thallium,
Total (as TI)
Zinc, Total (as
Zn)
mo/dd/ r
m
m
m
m L
m L
m
m
m L
SWO03
NIA
NO QUALIFYING
FLOW FOR JANUARY 2020
SWO05
1/24/20
0.0146
10.0111
10.00271
<0.001
<0.001
0.00265
<0.0002
0.070
SWO06
1/24/20
0.0"200.00244
<0.001
<0.001
<0.001
0.00172
<0.0002
0.233
SWO07
1/24/20
SWO09
NIA
NO QUALIFYING FLOW FOR JANUARY 2020
S WOl 1
1/24/20
S W0l 3
1/24120
SWO18A
1/24/20
Permit Number NCS000573 Form SWU-247, last revised 2212012
Page I of 3

Outfall
No.
Date
Sample
Collected
71900
C0530
00556
Mercury, Total, Method
1631 E
Solids, Total
Suspended -
Concentration
Oil & Grease
mo/dd/ r
n
M91L
m
SWO03
N/A
NO QUALIFYING FLOW FOR JANUARY 2020
SWO05
1/24/20
56.9
16
<5.0
SWO06
1/24/20
28.4 Avg
59
<5.0
S WO07
1/24/20
63
SWO09
N/A
NO QUALIFYING FLOW FOR JANUARY 2020
S W 011
1/24/20
3.6
<5.0
S W 013
1/24/20
4.7
<5.0
SWO18A
1/2Z/2-01
17
Outfall
No.
Date
Sample
Collectedddl
Aroclor 1016
Aroclor 1221
Aroclor 1232
Aroclor 1242
Aroclor 1248
=Aroclor4
Aroclor 1260
mo/r
u
u
u
u L
u
u
SW009
N/A
NO QUALIFYING
FLOW FOR JANUARY 2020
Benchmark exceedances include Zinc at SWO06: and Copper at SW005.
Avg — Average of primary and duplicate mercury samples (28.3 ng/L and 28.5 ng/L = 28A ng/L)
Note: The Hg result for outfall SW005 was 56.9 ng/L and SW006 was 28.4 ng/L (average). These Ho values are above the 12 ng/L North Carolina water quality standard for
mercury and are noted on this DMR but do not trigger Tier responses.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _ yes X_no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
Date
50050
00556
00530
00400
Total Flow
Total
Oil & Grease
Non -polar
Total
pH
New Motor
No.
Sample
Collected
(if applicable)
Rainfall
(if appl.)
O&G/TPH
Suspended
Oil Usage
(Method 1664
Solids
SGT-HEM), if
a 1.
mo/dd/ r
MG
inches
m
m
unit
al/mo
Pertnit Number NCS000573 Form SWU-247, lasf revised 21212012
Page 2 of 3

STORM EVENT CHARACTERISTICS: Mail Original and one copy to:
Division of Water Quality
Date 1/24/20 Attn: Central Files
Total Event Precipitation (inches): 1.04 1617 Mail Service Center
Event Duration (hours): (only if applicable — see permit.) 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 thS possibility of fines and imprisonment for knowing violations."
2. zi ;Wzd
(Date)
Permit Number NCS000573 Form SWU-247. last revised 2212012
Page 3of3