NC0005363_Toxicity Report_20220712

it l>. A is \ti,'t j ' iL ..' W.H. Weatherspoon Plant
DUKE - 491 Power Plant Rd
ENERGY, �t ;; . Lumberton, NO 28358
PROGRESS X���
Mailing Address
July 12, 2022 _ L. V. Sutton Energy Complex
DErri� r � iLi.! REGION, ni i`i!.. 80i Sutton Steam Plant Rd
Via Emad.,'ME`a�a)n enr:a Wilmington, NO 28401
North Carolina Division of Water Resources
Water Sciences Section/Aquatic Toxicology Branch .910.341.4775
1621 Mall Service Center
Raleigh, NC 27699462:1
Subject: Weatherspoon's Acute Toxicity Monitoring (Episodic) Submittal
Dear Sir or Madam:
In accordance with Part,1, Condition A. (6) of our National Pollutant Discharge Elimination System (NPDES)
Permit No. NC0005363, enclosed. is the Effluent Toxicity Report Form' (AT-1) for Duke ,LL
Energy Progress, C„
Weatherspoon Steam Elect&Plant's Outfall 001 Cooling Pond.
In accordance with PartI, Condition A. (6).of our National Pollutant. Discharge Elimination System (NPDES)
Permit No. NC0005363 .after monitoring of the first five toxicityaests:for. Duke Energy Progress.LLC.,
Weatherspoon Steam:Etectric Planrs Outfall 001 - Cooling Pond, Dukewill conduct one test annually, with,the
annual period beginning in January -of the next calendar year. The annual test. requirement must be performed
and reported by June 30. If no discharge occurs by;June 36 notification will be made to the Division within 2
weeks after June 30..'
Weatherspoon`s NPDES permit became effective 111112018 and has had episodic discharges on: .
1.:March 14, 2019 due to' maintenance activities associated with constructing. Outfall 003; data was
previously submitted:.
2_ June 19, 2020'due to maintenance activities associated with tree and vegetation maintenance; data
was previously_subMitted.
1 November 12, 2020 due.to significant rainfall froma Cold Front and Tropical System=Eta causing.
Jacobs Creek overtopping the cooling pond dam and inundating the cooling pond; data was
previously submitted:
4. February 3, 2021 due to a maintenance activity associated with exercising e4u'ipnient per O&M
recornniendation; data was previously submitted:
There. has. been no additional toxicity test to date due Who discharge from this facility. Toxicity testing will be
performed on the next discharge event for the annual testrequirernent..
If there are any questions, please contact either:
• Mr., Kent Tyndall, EHS Professional for the W. H. Weatherspoon Plant, phone [phone] or e-
mail_ Kent.Tvndallt�duke-eneray.corn; or
• Ms. Elizabeth Glenn, 'Erivironmental Specialist with_ our. Environmental Permitting and Compliance
Group, phone. [phone]: oe email Elizabeth.GlenriO)duke-eneray.com.
1 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'fhe_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.
Sincerely,
Antonio Price
Station Manager, .
Coding Mai! # 70r9 22806Qt1At 439T 3; 74 (J copy) '
C` : en4 Allen
NCDENR-DWQ,. FRO
225 Green•Street, Ste 714
Fayetteville, NG 28301

Effluent Toxicity Report Form- Chronic Pass/Fail and Acute LC60 Date
.10
Facifty Weatherspoon Steam Electric Plant NPDES=NC 0005363 Pipe -r"r 001 County Robeson
y erta ing Test N/A919-2/2-701 Comments
X ` - C )�[e-mail] No flow Jul 1 2021 thru June 30 2022
gnu ure o; pe-rafor in Responsible Charge ORC Phone I Email
X N/A
Signature of Laboratory SUpervisor N/A
MAIL ORIGINAL T O . Div. i
vi or Water Resources section
N.C. DENR
1621 Mall Service Center
North Carolina Ceriodaphnia Chronic Pass/Fail Reproduction Toxicity Test Raleigh, North Carolina 27699-162.1
CONTROL CRGANISI•,IS 1 2 .3 4 6 7 8 9 10 11 12 Chronic Test Results
Calculated t
r Young Produced Tabular t
% Reduction
Adult (L )1ve (D )ead
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TREATf•i'I=NT 2 ORGANISMS 1 2 3 4 5 6 7 6 9 10 11 '12
Young Produced
Adult (L )ive (D )ead
1 st sample 1st sam le 2nd sample
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LC50,'Acute Toxicity Test
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DWQ form AT-1 revised 2/2013
Nlethod of Determination
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Spearman Karber ❑ Other
Duration (hrs)
Start Date
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Hardness(mgr°I)
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Chlorine(mgrl)
Sample temp. at receipt
Concentration
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