NC0003468_Notification-Closure of Stormwater Yard Sump-Outfall 002A_20170905

of DUKE
- �-to ENERGY,
September 5, 2017
Ms Shuying Wang
State of North Carolina
Department of Environmental Quality
Winston-Salem Regional Office
450 W Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
Subject Duke Energy Carolinas, LLC (Duke Energy)
Dan River Combined Cycle Station
Notification — Closure of Stormwater Yard Sump — Outfall 002A
Permit #NC0003468
Rockingham County
Dear Ms Wang
Dan River Combined Cycle
Duke Energy Carolinas
864 South Edgewood Road
Eden, NC 27288
RECEIVEMCDENWR
SEP 12 2017
Water Quality
Permitting Section
The subject permit contains an outfall (Outfall 002A) associated with overflows of a yard sump Duke Eneigy is
hereby submitting notification of the closure of the yard sump associated with Outfall 002A by abandoning the yard
sump in-situ by flow filling with concrete The closure is based upon the demolition and final grading of the foimer
coal -tired Dan River Steam Station
Outfall 002A is permitted for collection of stormwater runoff including runoff from the former coal yard The
stormwater collected was pumped to the secondary ash basin with discharge from Outfall 002A as a limited
overflow as needed The final grading of this stormwater drainage area directs the stormwater from this area
through permitted stormwater outfall SW009 as detailed and authorized in pei mit NCS000572
With this submittal, Duke Energy requests that Outfall 002A be made inactive in your computer database as it is
being closed
Should you have any questions regarding this notification, please contact Joyce Dishmon at 336-394-5524 or
Joyce Dishmon@duke-energy com
1 certify snider penalty of law, that this document and all attachments were prepared under in), direction or
supervision in accordance with a syvtenn designed to assure that gualtfted personnel properly gather and
evaluate the information submitted Based on nay inquiry of the person or persons who manage the system,
or those persons directly responsible forgathering the infoinnation, the information submitted is, to the best
of my knowledge and belief, trate, accurate, and complete 1 ani aware that there are significant penalties
for submitting false nnfoiniatnon, including the possibility of fines and mnprzsonment for knowing violations
Sincerely,
f i1 •' • c/��! � i 6/1 t
Larry Sparks `
GM II — Regulated Stations
Dan River Combined Cycle

Cc Joyce Dishmon/Filenet, Sr Env Specialist
Dana Newcomb, Lead EHS Field Support
Joe Corporon — NC DWR
1617 Mail Service Center
Raleigh, NC 27699-1617