NCS000589_2020 DMR_20201217

DUKE
ENERGY.
'OGRESS
December 16, 2020
Certified Mail # 7018 1130 0001 4419 9818 (Original)
NC DEQ-DEMLR, FRO
225 Green Street, Suite 714
Fayetteville, NC 28301
Subject: Weatherspoon's November 2020
Stormwater Discharge Monitoring Report (DMR) Submittal
Mr. Lawyer:
W. H. Weatherspoon Plant
491 Power Plant Rd
Lumberton, NC 28358
Mailing Address.
Kent Tyndall
L. V. Sutton Energy Complex
801 Sutton Steam Plant Rd
Wilmington, NC 28401
910.341.4775
Duke Energy Progress, LLC submits the Stormwater Discharge Monitoring Report for W. H.
Weatherspoon. This submission is made in accordance with Part III, Section E of our NPDES Stormwater
Permit No. NCS000589, and updated guidance received from the section titled `How to Submit Paper
DMRs Before eDMR is Implemented' via web link https://deq.nc.gov/deg.nc.gov/sw-edmr.
SW-2 is in Tier I status due to 9/13/2020 Copper sampling result being above the benchmark value.
Therefore, we are required to conduct monthly monitoring at this outfall until three consecutive sample
results are below the benchmark values or within benchmark range.
SW-2 is also in Tier I status due to 9/13/2020 TSS sampling result being above the benchmark value.
Therefore, we are required to conduct monthly monitoring at this outfall until three consecutive sample
results are below the benchmark values or within benchmark range.
Neither SW-1, SW-2, or SW-3 had a discharge in November 2020. The attached table list each day
during the month that had rainfall. It also explains why sampling was not performed on those days.
If there are any questions, please contact either:
• Mr. Kent Tyndall, EHS Professional for the W. H. Weatherspoon Plant; phone [phone] or
e-mail [e-mail]; or
• Ms. Elizabeth Glenn, Environmental Specialist with our Environmental Permitting and Compliance
Group, phone [phone] or email [e-mail].
Please direct all correspondence to Kent Tyndall via the mailing address shown above.
/ 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.
Sincere
Jeffrey
Station Manager

Stormwater Discharge Monitoring Report «}MR>Submittal
Table Page 1 of 1
Date of
rainfall
Actual
stormwater
discharge?
>72-hrs since
last
discharge?
Can sample
w/i first 30-
minutes?
Safe to
sample?
Can sample
w/i normal
business hrs?
Note for 11/11-12/2020: Rainfall from 'Cold Front and Tropical System Eta. Discharge was not
representative sampling based on:
* C7baenxad an anomaly in the flow characteristics at the pipe dimoharge, flow went from minimum
to full volume instantly as if the discharge had to overcome a blockage in the pipe,
~ Quantitative inspection showed characteristic cfdischarge was vast different from all previous
sampling events, and
• A 'Feasible Aotion', jetting out the discharge line from the inspection after starting Tier | event.
required contractor assistance and scheduled for 11/21/2020.

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