NC0004987_Notification for Start of Dewatering_20200826

4., DUKE Marshall Steam Station
8320 East NC Hwy 150
ENERGY® Terrell,NC 28682
o:828.478.7700
August 19, 2020
NC Division of Water Resources
WQ Permitting Section - NPDES D
Attn.: Sergei Chernikov RECEIVE
1617 Mail Service Center AUG 2 6 1010
Raleigh, NC 27699-1617
Division of Water Resources
NCDEQIDWRINPDES
Attn.: Corey Basinger
Mooresville Regional Office
610 East Center Avenue, Suite 301
Subject: Marshall Steam Station
NPDES Permit NC0004987
Notification for Start of Dewatering
With reference to Part I A. (3.) of the subject permit, this letter provides the required 7-
day advanced notification to you that the decanting of the ash basin is progressing such
that plans are to begin the dewatering phase in the near term. Upon actual
commencement of dewatering, Duke staff will provide further communication such that
the monitoring requirements for Outfall 002 (dewatering phase) can be activiated in the
Department's Basinwide Information Management System database. It is projected that
the dewatering will begin the week of September 1, 2020.
If you have any questions, please contact Robert Wylie at 704 562-8258 or
[e-mail].
Sinc rely,
Aro
Ric Roper P
General Manager III
Marshall Steam Station
cc: Wes Bell