NC0000396_Compliance Evaluation Inspection_20220718 (2)

DocuSign Envelope ID: 0E1 ECE99-7BCA-4677-8ECC-73E64A40287F
ROY COOPER
Governor
ELIZABETH S. RISER
Secretary
RICHARD E. ROGERS, JR.
Director
NORTH CAROLINA
Environmental Quality
SENT VIA ELECTRONIC MAIL ONLY: NO HARD COPY WILL BE MAILED.
July 18, 2022
Teresa Williams, Lead Environmental Field Specialist - CNG
Duke Energy Progress
E-mail: [e-mail]
SUBJECT: Bioassay Compliance Inspection Report
Asheville Steam Electric Power Plant
NPDES WW Permit No. NC0000396
Buncombe County
Dear Permittee:
The North Carolina Division of Water Resources conducted an inspection of the Asheville Steam Electric
Power Plant on 6/09/2022. This inspection was conducted to verify that the facility is operating in
compliance with the conditions and limitations specified in NPDES WW Permit No. NC0000396. The
findings and comments noted during this inspection are provided in the enclosed copy of the inspection
report entitled "Compliance Inspection Report".
There were no significant issues or findings noted during the inspection and therefore, a response to this
inspection report is not required.
If you should have any questions, please do not hesitate to contact me with the Water
Quality Regional Operations Section in the Asheville Regional Office at 828-296-4500 or via email at
[e-mail].
ATTACHMENTS
Ec: LF
Sincerely,
DocuSigned by:
tiklogUI�Uwt
'-082B1105A3CA418...
Tim Heim, P.E. — Environmental Engineer
Water Quality Regional Operations Section
Asheville Regional Office
Division of Water Resources, NCDEQ
North Carolina Department of Environmental Quelfy I olvtslon of Water Resources
Asheville Regional Office 12090 O.S. Highway 70 I Swannanoa, Noah CaroIOa 28778
828.2%450C

DocuSign Envelope ID: 0E1 ECE99-7BCA-4677-8ECC-73E64A40287F
United States Environmental Protection Agency
E PA Washington, D.C. 20460
Water Compliance Inspection Report
Form Approved.
OMB No. 2040-0057
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code
1 IN I 2 IL
21IIIIII
NPDES yr/mo/day Inspection
I 3 I NC0000396 111 121 22/06/09 117
Type
181 R I
IIIIIIIIIII
Inspector Fac Type
191 S I 201
IIIIIIIIIII IIIIIII I IIIIII
P6
Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved
671 I 70I I 711D 172 I N I 73I I 74 71
I I
I I I I I I 180
Section B: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
POTW name and NPDES permit Number)
Asheville Steam Electric Power Plant
46 Duke Energy Ln
Arden NC 28704
Entry Time/Date
09:OOAM 22/06/09
Permit Effective Date
22/03/01
Exit Time/Date
11:OOAM 22/06/09
Permit Expiration Date
23/11/30
Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s)
///
Teresa Lynne Williams/ORC/828-687-5240/
Other Facility Data
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
William A Phipps,200 Cp L Dr Arden NC 28704//828-687-5201/8286875204
No
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Facility Site Review
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s) and Signature(s)
Timothy H Heim
Mika! Willmer
of Inspector(s) Agency/Office/Phone and Fax Numbers Date
r—pocusignedby; DWR/ARO WQ/828-296-4665/
1114,16 A- tI DWR/Division of Water Quality/828-296-4686/ 7/18/2022
'-082B1105A3CA418...
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
o s d 7/18/2022
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.
Page# 1

DocuSign Envelope ID: 0E1 ECE99-7BCA-4677-8ECC-73E64A40287F
3I
NPDES yr/mo/day
N C 0000396 111 121 22/06/09
I17
Inspection Type
18 LB]
(Cont.)
1
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
Tim Heim and Mikal Willmer of the Asheville Regional Office performed a Bioassay Compliance
Inspection on June 7th and 9th, 2022 for chronic toxicity. Teresa Williams (Duke Energy) was present
at the time of the inspection. The facility appeared well maintained and operated at the time of the
inspection, and in compliance with Permit NC0000396.
No violations of permit requirements or applicable regulations were observed during this inspection.
This sampling event result was reported as a pass by the Central Toxicity Lab in Raleigh for 3-Brood
chronic pass -fail toxicity.
A detailed DWR laboratory report is included.
Page# 2

DocuSign Envelope ID: 0E1 ECE99-7BCA-4677-8ECC-73E64A40287F
Permit: NC0000396
Inspection Date: 06/09/2022
Owner - Facility: Asheville Steam Electric Power Plant
Inspection Type: Bioassay Compliance
Yes No NA NE
Page# 3

DocuSign Envelope ID: 0E1 ECE99-7BCA-4677-8ECC-73E64A40287F
July 7, 2022
MEMORANDUM
DWR
Division of Water Resources
To: Landon Davidson
Water Quality Regional Operations, ARO
DS
Through: Cindy A. Moore Oh
Supervisor, Aquatic T logy Branch (ATB)
From: Lorimar S. Henning bik
Environmental Specialist II, Aquatic Toxicology Branch (ATB)
Subject: Whole effluent toxicity test results
Asheville Steam Electric Plant
NPDES Permit # NC0000396/001
Buncombe County
The aquatic toxicity test using grab samples of effluent discharged from the Asheville Steam
Electric Plant has been completed. Asheville Steam Electric Plant effluent discharge enters the
French Broad River (7Q10 of 375 CFS). Whole effluent samples were collected on June 7 and
June 9 by Tim Heim and facility representative Christian Patterson for use in a chronic
Ceriodaphnia dubia pass -fail toxicity test. The test passed. Toxicity test information follows.
Test Type 3-Brood Ceriodaphnia dubia chronic pass -fail
Test Result Pass
Test Concentrations 1.8%
Control Survival 100%
Control Mean Reproduction 29.9 neonates
Test Treatment Survival 100%
Treatment Mean Reproduction 26.3 neonates
First Sample pH 8.79 SU
First Sample Conductivity 694 micromhos/cm
First Sample Total Residual Chlorine <0.2 mg/L
Second Sample pH 7.72 SU
Second Sample Conductivity 693 micromhos/cm
Second Sample Total Residual Chlorine <0.2 mg/L
Test results for the above samples indicate that the effluent would not be predicted to have
water quality impacts. These samples were split and tested by Environmental Testing Solutions,
Inc. (ETS). The chronic Ceriodaphnia dubia pass/fail test run by ETS resulted in a pass. Please
contact us if you have any questions or if further effluent toxicity monitoring is desired. We may
be reached at [e-mail].
Basin: French Broad
cc: Tim Heim (ARO)