NCS000546_MONITORING INFO_20191122

M70
STORMWATER DIVISION CODING SHEET
NCS PERMITS
PERMIT NO.
/ r
DOC TYPE
❑FINAL PERMIT
X MONITORING REPORTS
❑ APPLICATION
❑ COMPLIANCE
❑ OTHER
DOC DATE
❑
YYYYMMDD

'fat, DUKE
*'ENERGY
November 14, 2019
NC Department of Environmental Quality
Attention: Central Files
Division of Water Resources
1617 Mail Service Center
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
253 Plant Allen Rd.
Belmont, NC 28012
704 829-2587
In accordance with Part III, E(2) of the above referenced NPDES Storm Water permit, the original and one
copy of the monthly monitoring reports for the outfalls that have been classified as Tier 2 or Tier 3 and are
now subject to monthly sampling, are attached. The period for sampling ended on October 31, 2019.
Enclosed is the DMR for outfalls SW001, SW007, SW009, SW010, SW016, SW018 and SW020.There
were no samples collected from these outfalls and are listed as "No Qualifying Flow" for the sampling
period. This was due to either nighttime rainfall events or lack of qualifying rainfall events.
Please direct any correspondence or questions concerning the Allen Steam Station NPDES Storm Water
Program to Robert Wylie at [phone].
Yours truly,
1--� I,)- ��
Terry W. Tuck, General Manager it
Allen Steam Station
Duke Energy Carolinas, LLC
Attachments
bc: w/attachment Robert Wylie

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS000546
FACILITY NAME Allen Steam Station
PERSON COLLECTING SAMPLE(S) N/A
CERTIFIED LABORATORY(S) Duke Energy Carolinas, LLC NC Lab #248
Shealti_Environment_al Services Inc. NC Lab #329
Part A: Specific Monitorine Reuuirements
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]
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 3.
Outfall
Date
50050
00400
01077
01002
01022.
01012
01027
No.
Sample
"Collected
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
m
mg1L
m
m L
SWO01
N/A
NIA
NO QUALIFYING
FLOW FOR THE MONTH
OF OCTOBER 2019
SWO07
N/A
NIA
NOQUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SWO09
N/A
NIA
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SWO10
N/A
NIA
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SWO16
NIA
NIA
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SWO18
N/A
NIA
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SW020
NIA
NIA
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
Outfall
Date
01034
01042
01067
01051
01097
.01147
01059
01092
No.
Sample
Collected
Chromium, '
Total (as CO
Copper,Total
'(as.00
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
m
m
m
m
m
m
mg/L
SWO01
N/A
NO QUALIFYING
FLOW FOR THE MONTH OF OCTOBER 2019
SWO07
N/A
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SWO09
N/A
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SWO10
N/A
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SWO16
N/A
NO QUALIFYING FLOW FOR THE iMONTH OF OCTOBER 2019
SWO18
N/A
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SW020
N/A
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
t Permit Number NCS000546 Form SWU-247. last revised 21212012

Outfall
No.
Date
Sample
Collected
71900
C0530
00556
Mercury, Total,
Method 1631E
Solids, Total
Suspended -
Concentration
Oil & Grease
mo/dd/ r
n
mgLL
m L
SNV001
NIA
NO QUALIFYING FLOW FOR THE \MONTH
OF OCTOBER 2019
SWO07
N/A
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SWO09
NIA
NOQUALIFYING FLOW FOR THE itIONTH OF OCTOBER 2019
SW010
NIA
NO UALIFYING FLOW FOR THE MONTH OF OCTOBER 20I9
SWO16
NIA
NO QUALIFYING FLOW FOR THE NIONTH OF OCTOBER 2019
SW018
N/A
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
SW020
N/A
NO QUALIFYING FLOW FOR THE MONTH OF OCTOBER 2019
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
appl.
mo/dd/ r
MG
linches
m
m
unit
al/mo
STORrVI EVENT CHARACTERISTICS:
Date NA
Total Event Precipitation (inches): NA
Event Duration (hours): (only if applicable — see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one coPy to:
Division of Water- Quality
AUn: Central Files
1617 Mail Service Center
Raleioh, North Carolina 27699-1617
t Permit Number NCS000546 Form SN1rU-247. last revised 2/2/2012
Pa«e2of3

"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."
(Signature of
ttee)
(Date)
+ Permit Number NCS000546 Form SWU-247. last revised 21212012
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