NC0003425_Notice of Pending WW Component Closure_20210610

gieiN� DUKE Duke Energy Progress,LLC
ENERGY. Roxboro Steam Electric Plant
1700 Dunnaway Road
Semora, NC 27343
12520-B June 7,2021
Danny Smith
North Carolina Division of Water Resources I` I C D
1617 Mail Service Center FECE �/ G
Raleigh,NC 27699-1617
JUN102021
Subject: Duke Energy Progress,LLC. PiNPDES
Roxboro Steam Electric Plant NCDEQIDW
Notice of Pending wastewater component closure
NPDES Permit No.NC00003425
Person County
Dear Mr.Smith:
In accordance with Part III, Section E, Facility Closure of the subject NPDES permit,Duke Energy Progress,LLC
(Duke Energy)is providing notice that the legacy flue gas desulfurization(FGD)wastewater treatment system and
settling pond(FGD)will be retired from service during the third quarter of this year.
As a part of the recent process water redirect activities undertaken to comply with the federal Coal Combustion
Residual rule and with the NC Coal Ash Management Act,Duke Energy built a new FGD wastewater treatment
system.The new FGD wastewater treatment system became operational on February 20,2020.The Division has
given approval for both the new system and the legacy FGD system to run in tandem to assure that all FGD
wastewater is properly treated before discharge at either internal outfall 010(legacy)or internal outfall 012(new
system).
Duke Energy understands and agrees that there will be no unpermitted discharge of untreated FGD wastewater
during length of work associated with the closure of the legacy FGD wastewater system.
If you have any questions,please contact Lori Tollie at(336)854-4916 or at [e-mail].
I 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 the 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,
771)
Tom Copolo
General Manger—Roxboro