NC0000396_Correspondence_20200415 (2)

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
Director
Mr. Paul Dmovitch, Senior Tice President
L•'tivironment l.1 tealth auid Safety
Duke Energy Carolinas, U.0
Vail Code PC13K
P.O. Boa 1006
Charlotte, North Carolina 28201-1006
Dear Mr. Dmovitch:
NORTH CAROLINA
Environmental Quality
April 9, 2020
Subject: Permit Major Modification
Permit N00000396
Wicvillc Stcam Electric Plant
Buncombe County
1,,iditN CLtss 1
\C'c have received your request for a Afajor Nloditication 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:
• To accommodate ch>mges required for conversion to a Combined Cycle Plant, the evaporator
system discharge Baas added to Outfall 002 and once -through cooling water for mail units was
removed.
• Memurement frequency for flow and temperature was reduced from Daily to \lonthly due to
the significant flow reduction (Outfall 002).
• Monitoring for the Total Residual Chlorine and the Time of Chlorine addition was removed
from Outfill 002 due to the cessation of Chlorine addition.
• Monitoring for Total Copper and !'oral Chromium was added to) Outfall 002 based on the
review of the effluent data provided by the facility.
No) other changes have been made. This pen -nit modification is issued pursuant to the
requirements of North Carolina General Statute 143-213.1 and the Memorandum of kstrecment
between North Carolina and the U.S. Environmental Protection .Agency.
North Carolina Department of Envlronmentai Quality I Division of Water Resourers
E 512 North Salisbury Street 1 1617 Mail Service Curter Raleigh. North Carolina 27e09 t617
919.707.9000

Please take notice that this permit is not transferable. Part 71, F.A. addresses the requirements
to he followed in case of a charge in ownership or control of this discharge.
If you have any qucstion;i or need additional information, please contact Sergei Lhernikov,
telephone number [phone] or email: sergei,chernilcov(tt)ncdenr;goy.
Sincerely,
14
iel Sant-h, 9(re of
e msron of Water Resources
cc: Central riles
MIDIS Files
\\'ilmington Regional c )Rice/l\ arer Qual itr
ASS/Aqu;uic "f<rticulogy l:nir (c-copy)
FPA Regon TV (e-copy)