HomeMy WebLinkAboutNCS000548_2021 DMR_20211028(� DUKE
ENERGY
October 28, 2021
NC Dept. of Environmental Quality
Attention: Central Files
Division of Water Resources
1617 Mail Service Center
Raleigh, NC 27699-1617
DUKE ENERGY CORPORATION
Marshall Steam Station
8320 East NC Highway 150
Terrell, NC 28682
Subject: Duke Energy Carolinas, LLC
NPDES Stormwater Discharge Monitoring Report for:
Marshall Steam Station - NCS000548 — Catawba County
Year 1 Period 3 monitoring
Dear Sir or Madam:
In accordance with Part E-2. of the above referenced NPDES Stormwater permit, the original and
one copy of the Stormwater Discharge Outfall (SDO) monitoring reports for Period 3 Year 1 is
attached.
Representative samples were not collected from stormwater outfalls sitewide during the third
quarter (Period 3) of 2021 due to NO FLOW conditions at the facility. A total of seven
measurable storm events occurred over this period that met the following criteria: A) the event
initiated outside of normal business hours during the week; B) the event initiated on weekend
days; or C) the event occurred inside the 48-hour period from a previous unqualified storm
event. Therefore, this report is submitted as formal notification of the NO FLOW conditions at the
site for Period 3 2021.
Currently stormwater outfalls SW002, SWO03 and SWO07 remain in Tier 1 status resulting from a
benchmark exceedance as reported from the June 7, 2021 monitoring event. A Tier 1 response
was completed, and corrective actions implemented. Reports are on file in the facility SWPPP.
Please direct any correspondence or questions concerning the Marshall Steam Station NPDES
Stormwater Program to Scott,La Sala (828-478-7820) or Don Safrit at (919) 546-6146.
Sincerely,
8 Jeffrey Flana
General Manager III
Marshall Steam Station
attachment
www.duke-energy.com
DUKE ENERGY CORPORATION
Marshall Steam Station
8320 East NC Highway 150
Terrell, NC 28682
be w/attachment: Scott La Sala
Don Safrit
File: CCP EHS
UPS Tracking Number 1Z8955X40399112982 Raleigh Central Office
www.duke-energy.com
STORNIWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS000548 SAMPLES COLLECTED DURING CALENDAR YEAR: 2021
(This monitoring report shall be received by the Division no later than 30 drys from the date the
facility receives the sampling results from the laboratory.)
FACILITY NAME
PERSON COLLECTING SAMPLE(S)
CERTIFIED LABORATORY(S)
Part A: Specilic Monitoring Reyuiremenis
Marshall Steam Station
J Scott La Sala
Duke Energy Lab # 248 _
Pace Huntersville Office Lah # 531)
Shealy Environmental Services, Inc. Lab # 329
COUNTY
PHONE NO.
Catawba
(904) 631-8042
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2
Outfall
Date
00400
01077
01002
01022
01012
01027
01034
01042
No.
Sample
Collected
Total Rainfall
pH
Silver, Total (as
Ag)
Arsenic, Total (as
As)
Boron, Total (as
B)
Beryllium, Total
(as Be)
Cadmium, Total
(as Cd)
Chromium, Total
(as Cr)
Copper, Total (as
Cu)
mo/dd/ r
inches
unit
mg/L
mg/L
mg/L
mg/L
m L
mg/L
mg/L
SWO02
NO FLOW
SW003
NO FLOW
SW007
NO FLOW
SIVINI8
NO FLOW
Swill I
NO FLOW
SWO12
NO FLOW
SWO12A
-
outfall permanently
abandonded
SW022
NO FLOW
SW025
NO FLOW
SW026
outfall not yet in service
Outfall
Date
111067
01051
01097
01147
01059
01092
71900
CO530
00556
No.
Sample
Collected
Nickel, Total (as
Ni)
Lead, Total (as
Pb)
Antimony, Total
(as Sb)
Selenium, Total
(as Se)
Thallium, Total
(as TO
Zinc. Total (as Zn)
Mercury, Total
Method 1631 E
Solids, Total
Suspended -
Concentration
Oil & Grease
mo/dd/yr
m L
mgfL
mg/L
mg/L
mg/L
mg/L
ne/L
mg/L
mg/L
SW1102
NO FLOW
ISWO413
NO FLOW
SWO117
NO FLOW
SIVINI8
NO FLOW
[IS WoI I
NO FLOW
SW012
NO FLOW
A
SW012A
outfall abandonded
SW022
INO FLOW
j
S1V1125
NO FLO1V
�
SW026
outfall not yet in service
Form SWU•247, last revised 4/1/2021
Permit Number NCS000548 Page 1 of 2
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month' yes
(if yes. complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall Date
No. Sample
Collected
mo/dd/vr
STORM EVENT CHARACTERISTICS:
Mail Original and one copy to:
Date Division of Water Quality
Total Event Precipitation (inches): NO FLOW Ann, Central Files
Event Duration Ihoursl: (only if applicable - see permit.1 1617 Mail Service Center
Raleigh. North Carolina 27699 1617
if ruore than one storm event was sampledl
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 yr ith 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 arc significant penalties for submitting false information, including the possibility of fines and
imprisonment for knowing violations."
o . /o 12F 0z
(Signrt■ �f (Date)
no
Form SW U-247, last revised 4/1/2021
Permit Number NCS000548 Page 2 of 2
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