NCS000549_MONITORING INFO_20191028

STORMWATER DIVISION CODING SHEET
NCS PERMITS
PERMIT NO.
(YES O o b6L-1�
DOC TYPE
❑FINAL PERMIT
�, MONITORING REPORTS
❑ APPLICATION
❑ COMPLIANCE
❑ OTHER
DOC DATE
r, dv I _I I U Y,
YYYYM M DD

(' DUKE
ENERGY
October 23, 2019
Division of Water Resources
Attention: Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
RECEIVED
OCT 2 8 Z019
CENTIV\L FILES
DWR SECTION
Subject: Duke Energy Carolinas, LLC
NPDES Stormwater Discharge Monitoring Report for:
Riverbend Steam Station — NCS000549 — Gaston County
Environmental Services
Duke Energy
Riverbend Steam Station
175 Steam Plant Rd.
Charlotte, NC 28120
In accordance with Part Ill, E(2) of the above referenced NPDES Stormwater permit, the original
and one copy of the monitoring report for September 2019 is attached.
Sample results above the benchmark values for analytical monitoring are listed below. Duke
Energy continues to implement corrective actions as required by the Tier status at these
outfalls. Please direct any correspondence or questions concerning the Riverbend Steam
Station NPDES Stormwater Program to Brad Loveland at [phone].
Sincerely,
Tim S. Hill
General Manager
CCP Regional Operations & Maintenance
Attachment

STORN•IWAT'ER DISCHARGE OUI'FALL (SDO)
NIONITORING REPORT
Permit Number NCS000549
FACILITY NAME Riverbend Steam Station
PERSON COLLECTING SA.MPLE(S) NA
CERTIFIED LABORATORY(S) Duke Energy Carolinas, LLC NC Lab #248
Shealy Environmental Services, Inc. NC Lab #329
Part A: Specific iMonitoring Requirements
SA),-IPLES COLLECTED DURING CALENDAR YEAR: 2019
(This monitoring report shall he 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 PERMI'ITTEE OR DESIGNEE
REQUIRED ON PAGE 3.
Outfall
Date
50050
00400
01077
01002
01022
01012
t11027
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 L
m L
m L
m L
m L
SW002
NIA
N/A
NO QUALIFYING FLOW FOR THE MONTH
OF AUGUST 2019
SIV003
N/A
N/A
NO QUALIFYING FLOW FOR THE :i'TONTH OF AUGUST 2019
SIV004
N/A
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SW006
N/A
NIA
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SWO10
N/A
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SWOI I
N/A
NIA
NO QUALIFYING FLOW FOR THE NIONT'H OF AUGUST 2019
SWI118
N/A
N/A
NO QUALIFYING FLOW FOR THE NNIONTH OF AUGUST 2019
Outfall
Date
01034
01042
01067
01051
01097
01147
01059
01092
No.
Sample
Collected
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/ yr
m L
m L
mgfL
m L
m L
m L
m t L
m L
SLR O02
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
S1N O03
NIA
NO QUALIFYING FLOW FOR THE NIONTH OF AUGUST 2019
SW004
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
S«'006
N/A
NO QUALIFYING FLOW FOR THE NIONTH OF AUGUST 2019
SW010
N/A
NO QUALIFYING FLOWN FOR THE MONTH OF AUGUST 2019
SWIM I
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST2019
S1Y1118
N/A
NO QUALIFYING FLOW FOR THE iMONTH OF AUGUST 2019
Permit Numher NCS000549 Form SWU-247, lust revised 21212012
Pate I of 3

Outfall
No.
Date
Sample
Collected
71900
CO530
00556
tilercury, Total, Method
1631E
Solids, Total
Suspended -
Concentration
Oil & Grease
mo/ddJyr
n L
m L
mgtL
SW002
NIA
NO UALIFYING FLOW FOR THE MONTH OF
AUGUST 2019
SW003
NIA
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SWO04
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SW006
NIA
NO UALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SW010
NIA
NO UALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SWO11
N/A
NO QUALIFYING FLOW FOR THE NIONTH OF AUGUST 2019
Sw 18
NIA
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
Outfall
No.
Date
Sample
Collected
Aroclor 1016
Aroclor 1221
Aroclor 1232
Aroclor 1242
Aroclor 1248
Aroclor 1254
Aroclor I260
mo/dd/vr
u
u L
ugIL
u L
u L
ugfL
u L
SWO06
NIA
NO QUALIFYING;
FLOW FOR THE MONTH OF AUGUST 2019
Does this facility perform Vehicle Maintenance Activities usin, more than 55 gallons of net, motor oil per month? — yes X no
(if yes, complete Part B)
Part B: Vehicle iklaintenance Activity Monitoring 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-HEINI), if
I.appL
mo/dd/ yr
MG
linches
MgA
I
m
unit
I gal/mo
Permit Nunther NCS000549 Form SWU-247. last revised 21212012
Page 2 0l' 3

STORM EVENT CHARACTERISTICS: Mail Original and one coPy to:
Division of Water Quality
Date NA Ann: Central Files
'Total Event Precipitation (inches): NA 1617 Mail Servicc Center
Event Duration (hours): (only if applicable —see permit.) Raleigh, North Carolina 27699-1617
(if noire 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 inquiy 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,ey,and imprisonment for knowing violations."
(Signature of Permittee)
(Date)
Permit Number NCS000549
Form SWU-247. lust revised 21212012
Page 3 43

CC -)DUKE
ENERGY
October 23, 2019
Division of Water Resources
Attention: Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: Duke Energy Carolinas, LLC
NPDES Stormwater Discharge Monitoring Report for:
Riverbend Steam Station — NCS000549 — Gaston County
Environmental Services
Duke Energy
Riverbend Steam Station
175 Steam Plant Rd.
Charlotte, NC 28120
In accordance with Part III, E(2) of the above referenced NPDES Stormwater permit, the original
and one copy of the monitoring report for September 2019 is attached.
Sample results above the benchmark values for analytical monitoring are listed below. Duke
Energy continues to implement corrective actions as required by the Tier status at these
outfalls. Please direct any correspondence or questions concerning the Riverbend Steam
Station NPDES Stormwater Program to Brad Loveland at [phone].
Sincerely,
Tim S. Hill
General Manager
CCP Regional Operations & Maintenance
Attachment

STORNIWATER DISCHARGE OUTI ALL (SDO)
1190N1TORING REPOR"T
Permit Number NCS000549
FACILITY NAME Riverbend Steam Station
PERSON COLLECTING SAMPLE(S) NA
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: 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. (9811) 373-2,420
SIGNATURE OF PERMITTEE OR DESIGNEE
READ 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
mg/L
m /L
m L
m g/L
SWO02
NIA
N/A
NO QUAIAFYING FLOW FOR THE MONTH
OF AUGUST 2019
SWO03
N/A
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SW004
N/A
N/A
NO QUALIFYING FLOW FOR THE INIONTH OF AUGUST 2019
SWO06
N/A
NIA
NO QUALIFYING 1, LOW FOR THE MONTH OF AUGUST 2019
SW010
N/A
N/A
NO QUALIFYING FLOW FOR THE \MONTH OF AUGUST 2019
SW0I I
NIA
NIA
NO QUALIFYING FLOW FOR THE J10NTH OF AUGUST 2019
SW018
NIA
N/A
NO QUALIFYING: FLOW FOR THE ,MONTH OF AUGUST 2019
Outrall
No.
Date
Sample
Collected
01034
01042
01067
01051
01097
01147
01059
01092
Chromium,
Total (as Cr)
Copper, Total
(as Cu)
Nickel, Total
(as NO
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 g/L
m L
m L
m /L
m L
m /L
nio/L
SWO02
NIA
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 21119
SWO03
NIA
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SWO04
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SWO06
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SW010
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SW0II
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
SW018
N/A
NO QUALIFYING FLOW FOR THE MONTH OF AUGUST 2019
Pernia Nuinhcr NCS000549
Form SWU-247. last revised 2/212012
pace 1 43

Outfall
No.
Date
Sample
Collected
71900
C0530
00556
Nlercury. Total, Alethod
1631E
Solids, "Total
Suspended -
Concentration
Oil & Grease
rtto/dd/vr
n g/L
m L
m= L
S►VI1112
NIA
NO QUALIFYING FLOW' FOR THE hlONT11 OF
AUGUST 2019
SW003
N/A
NO QUALIFVING FLOW FOR THE iMONTI-I OF AUGUST 2019
SWO04
N/A
NO QUALHFYINC FLOW FOR THE iNIONT11 OF AUGUST 2019
S►V006
N/A
NO UALIFYING FLOW FOR THE \9ONTH OF AUGUST 2019
SNY010
N/A
NO QUALIFYING FLOW FOR THE' NIONT11 OF AUGUST 2019
SW01I
NIA
NO QUALIFYING FLOW FOR'THE NIONTH OF AUGUST 2019
S►V018
N/A
NO QUALIFYING FLOW FORTH E' i•IONTH OF AUGUST 2019
Outfall
No.
Date
Sample
Collected
Aroclor 1016
Aroclor 1221
Aroclor 1232
Aroclor 1242
Aroclor 1248
Aroclor 1254
Aroclor 1260
mo/dd/ yr
u= L
a= L
a /L
a= L
a* L
a =/L
a= L
S►V1106
N/A
NO QUALIFYING
1'l.,OW FC}R'I'IIl? \'ION"I'H OF AUGUST2019
Does this Cacilily herfnrm Vehicle Maintcnancc AchVities using more Ih.rn 55 4,illons r 1' new 111010:' nil her 11IN111l'' vcs \ no
{il,yes, coinI)ICIC fart [1)
Part B: Vehicle MaintenanceActivity iVloniloring Requirements
Outfall
Date
5111151)
00556
00530
00400
'Total Flow
Total
Oil & Grease
Non -polar
'Total
pH
New tMotor
No.
Sample
Collected
(if applicable)
Rainfall
(if appl.)
O&G/TPH
Suspended
Oil Usage
(Nielhod 1664
Solids
SGT-HENI), if'
appl.
mo/dd/vr
IVIG
incites
m g/I
m =/I
unit
alInto
Permit Number NCS0 00541) Form SWU-2 l7. lees! revised 2/22012
llai_-c 2 of 3

STORM EVENT CHARACTI?RISTICS: Flail Original and one copy to:
DEVIS1Ul1 ul Water Quality
Date NA Aim: Cenu-al Files
Total Event Precipitation (inches): ,NA 1617 Mail Service Center
Event Duration (hours): (only il'applicahle —sec hermit.) Ralcigh, North Carolina 27699-1617
(if more than one storm event wa.5 samhlc(l)
Date
"Total Event Precipitation (inches):
Event Duration (hours): (oitly if applieahlc —.sec 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 snbmitled. Hased on my inquiry of the person
or persons who manage the system, or those persons directly responsible for gathering the information, the inf'or:cation submitted is, to the
best of my knowledge and belief, triec, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibilitLWx4jAcyand imprisonment for knowing violations."
(Signature of Permiltee)
16-a3-/9
(Date)
Permit Numher NCS000549
Form SWU-217, lust revised 2/2/2012
Pay*e 3 ol' 3