NC0004987_Correspondence_20200904

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
Director
Mr. Paul Draovitch, Senior Vice President
Environmental, Health and Safety
Duke Energy Carolinas, LLC
Mail Code EC13K
P.O. Box 1006
Charlotte, North Carolina 28201-1006
Dear Mr. Draovitch:
NORTH CAROLINA
Environmental Quality
September 4, 2020
Subject: Permit Major Modification
Permit NC0004987
Marshall Steam Station
Catawba County
Facility Class I
We have received your request for a Major Modification of the subject facility. The request has been
granted. Enclosed with this letter is the modified permit. Please replace the existing permit with the
modified permit.
The permit modification contains the following significant changes from your current
permit:
Dewatering flow limit for Outfall 002 was increased from 1.0 MGD to 3.0 MGD to assure a
timely closure of the ash pond and incorporate discharge from groundwater remediation wells.
No other changes have been made. This permit modification is issued pursuant to the requirements of
North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North Carolina
and the U.S. Environmental Protection Agency.
Please take notice that this permit is not transferable. Part II, E.4. addresses the requirements to be
followed in case of change in ownership or control of this discharge.
North Carolina Department of Environmental Quality I Division of Water Resources
_ 512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
NORTH CAROLINA
Uapartm ..f 919.707.9000

If you have any questions or need additional information, please contact Sergei Chernikov, telephone
number [phone] or email: [e-mail].
Sincerely,
S. Daniel Smi@ Director
Division of Water Resources
cc: Central Files
NPDES Files
Mooresville Regional Office/Water Quality
WSS/Aquatic Toxicology Unit (e-copy)
EPA Region IV (e-copy)