NCS000546_MONITORING INFO_20200114

STORMWATER DIVISION CODING SHEET
NCS PERMITS
PERMIT NO.
DOC TYPE
[I FINAL PERMIT
'� MONITORING REPORTS
❑ APPLICATION
❑ COMPLIANCE
0 OTHER
DOC DATE
❑ D-L)"D -o U I I
y-
YYYYMMDD

(� DUKE
ENERGY
January 13, 2020
RECEIVED
NC Department of Environmental Quality JAN 14 2020
Attention: Central Files
Division of Water Resources CENTRAL FILES
1617 Mail Service Center OWR SECTION
Raleigh, NC 27699-1617
Subject: Duke Energy Carolinas, LLC
NPDES Storm water Discharge Monitoring Report for:
Allen Steam Station — NCS000546 — Gaston County
Allen Steam Station
Duke Energy
253 Plant Allen Rd.
Belmont, NC 28012
In accordance with Part III, E(2) of the above referenced NPDES Storm water permit, the
original and one copy of the quarterly monitoring reports for Year 5 — Period 2 and for the
monthly required outfalls that are in Tier II and Tier III status, are attached. The period for
sampling ended on December 31, 2019.
SWO01A, SW002, SW003, SW005, SW008, SW013-7, SW013-8, SW013-9, SW013-10,
SW013-11, SW013-12, SW013-13, SW013-14, SW013-15 and SW015 are the quarterly, Year
5-Period 2 outfalls. Outfalls SW001(Tier II), SW007(Tier III), SW009(Tier III), SW010(Tier III),
SW016(Tier III), SW018(Tier III) and SW020(Tier III) have monthly sampling requirements. All
are listed as "No Qualifying Flow" during their respective periods. Samples were not collected
from these outfalls due to night time rainfall events or lack of qualifying rainfall events during the
period.
Please direct any correspondence or questions concerning the Allen Steam Station NPDES
Stormwater Program to Robert Wylie at [phone].
Yours truly,
Terry Tuck, General Manager II
Allen Steam Station
Fossil Hydro- Carolinas West
Attachments
bc: wlattachment Robert Wylie
UPS Tracking: 1 Z X67 601 24 9158 7085

Permit Number NCS000546
STORMWATER DISCHARGE OUTFALL (SDO)
iMONITORING REPORT
kEC19M�D
FACILITY NAiME Allen Steam Station
PERSON COLLECTING SAMPLE(S) NIA IAN 1 4 7n?a
CERTIFIED LABORATORY(S) Duke Ener Carolinas LLC NC Lab #248
Shealy Environmental Se : i Ilil &t #329
Part A: Specific tNlonitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2019
(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 Gaston
PHONE NO. [phone]
EREQU
NA'I'URE OF PERMITTEE OR DESIGNEE
IRED ON PAGE 4.
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 L
m L_
m
SW001
N/A
N/A
NO QUALIFYING FLOW FOR THE NIONTH
OF DECEi•'IBER 2019
SW001A
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SNVO02
NIA
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SW003
NIA
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SW005
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCT013ER 1-DECEMBER 31, 2019.
SW007
N/A
N/A
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
SW008
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SW009
NIA
NIA
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
S«1010
N/A
N/A
NO QUALIFYING FLOW FOR THE ,\MONTH OF DECEMBER 2019
SWO13-7
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEiNIBER 31, 2019.
SWO13-8
NIA
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SIV013-9
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SWO13-10
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SW013-11
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SW013-12
N/A
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCT013ER 1-DECEi-%-IBER 31, 2019.
SWO13-13
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SNV013-14
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SW013-15
N/A
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SWO15
N/A
N/A
NOQUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SW016
N/A
N/A
NO QUALIFYING FLOW FOR THE MONTH OF DECE,NIBER 2019
SWO18
NIA
N/A
NO QUALIFYINNG FLOW FOR THE yNIONTH OF DECEMBER 2019
SW020
NIA
N/A
NO QUALIFYING FLOW FOR THE ,ti10NTH OF DECEMBER 2019
Permit Number NCS000546 Forst SWU-247. last revised 22/?012
Page 1 44

Outfall
No.
Date
Sample
Collected
01034
01042
01067
01051
01097
01147
01059
01092
Chromium,
Total (as Cr)
Copper, Total
(as Cu)
Nickel, Total
(as Ni)
Lead, Total
(as Pb)
Antimony,
Total (as Sb)
Selenium,
Total (as Se)
Thallium,
Total (As TI)
Zinc, Total (as
Zn)
mo/dd/ r
m L
m L
m L
m L
mgtL
m L
m L
m
SW001
N/A
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
SW00IA
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SWO02
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SWO03
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SW005
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SIV007
NIA
NO QUALIFYING FLOW FOR THE it'IONTH OF DECEMBER 2019
SW008
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SW009
NIA
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
SW010
NIA
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
SWO13-7
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCT013ER l-DECEMBER 31, 2019.
SWO13-8
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SWO13-9
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019.
SIV013-10
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER l-DECEMBER 31, 2019.
SWO13-1 I
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-DECEMBER 31, 2019,
SWO13-12
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SWO13-13
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SWO13-14
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-DECEMBER 31, 2019.
SW013-15
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCT013ER 1-DECEMBER 31, 2019.
SWO15
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER ]-DECEMBER 31. 2019.
SW016
NIA
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 21119
SWO18
NIA
NO QUALIFYING FLOW FOR THE NIONTH OF DECEMBER 2019
SW020
NIA
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
Outfall
Date
71900
C0530
00556
Mercury, Total,
Solids, Total
Oil & Grease
No.
Sample
Collected
Method 1631E
Suspended -
Concentration
mo/ddl yr
ng1L
m L
m
SW001
N/A
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
SWOOIA
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-
DECEMBER 31, 2019.
SNVO02
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I.
DECEMBER 31, 2019.
SWO03
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-
D ECENIBER 31, 2019.
SW005
N/A
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER I-
D ECE,s•IBER 31, 2019.
SWO07
NIA
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
Pcrniit Number NCS000546- - Dorm SWU-247. last revised 212120/2
Page 2 of 4

SW008
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, ocroBER 1-
DECENIBER 31, 2019.
SW009
NIA
NO QUALIFYING FLOW FOR THE ,MONTH OF DECEMBER 2019
SWOIII
NIA
NO QUALIFYING FLOW FOR THE ,NIONTH OF DECEMBER 2019
S%V013-7
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-
DECEMBER 31, 2019.
Outfall
Date
71900
CO530
00556
No.
Sample
Mercury, Total,
Solids, Total
Oil & Grease
Collected
Method 1631E
Suspended -
Concentration
mo/dd/ r
n
m L
m L
SWO13-8
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTO13ER 1-
DECEMBER 31, 21119.
SWO13-9
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTO13ER 1-
DECEiN'iBER 31, 2019,
SW013-10
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-
DECEMBER 31, 2019.
SWO13-11
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-
DECEMBER 31, 2019.
SWO13-12
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OC'rOBER 1-
DECEMBER 31, 2019.
SIV013-13
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-
DECEMBER 31, 2019.
SWO13-14
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-
DECEMBER 31, 2019.
SNV013-15
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-
DECEMBER 31, 2019.
SWO15
NIA
NO QUALIFYING FLOW FOR YEAR 5 PERIOD 2, OCTOBER 1-
DECENIBER 31, 2019.
SW016
NIA
NO QUALIFYING FLOW FOR THE MONTH OF DECEiN'IBER 2019
SW018
NIA
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
SW020
NIA
NO QUALIFYING FLOW FOR THE MONTH OF DECEMBER 2019
Pennit Number NCS000546 Form SWU-247, last revised 21212012
Page 3 of 4

Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month'? _yes X no
(il' yes, complete Part B)
Part B: Vehicle ,Maintenance Activity iMonitoring Requirements
Outfall
Date
50050
00556
00530
00400
No.
Sample
Total Flow
Total
Oil & Grease
Non -polar
Total
pH
New Motor
Collected
(if applicable)
Rainfall
(if appl.)
O&G/TPH
Suspended
Oil Usage
(Method 1664
Solids
SGT-HEM), if
appl.
moldd/ r
MG
inches
mgA
m
unit
aUmo
STORM EVENT CHARACTERISTICS: Mail Original and one copy to:
Division of Water Quality
Date NIA Attn: Central Files
Total Event Precipitation (inches): NIA 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 the possibility of fines and imprisonment for knowing violations."
l,l-
(Signature oj Permittee)
Permit Number NCS000546
O t�7c
(Date)
Form SWU-247, last revised 2/2/2012
Page 4 of 4