NC0004979_Notification for Start of Dewatering_20200512

jos DUKE
ENERGY.
Allen Steam Station
253 Plant Allen Rd.
Belmont, NC 28012
704 829-2587
May 12, 2020
Division of Water Resources
WQ Permitting Section - NPDES
Attn.: Sergei Chernikov
1617 Mail Service Center ECE �'EO
Raleigh, NC 27699-1617 R
MAY 20 1020
Division of Water Resources
Attn.: Corey Basinger NCDEQIDWR!NPDES
Mooresville Regional Office
610 East Center Avenue, Suite 301
Subject: Allen Steam Station
NPDES Permit NC0004979
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 June 1, 2020.
If you have any questions, please contact Robert Wylie at [phone] or Robert.Wylie@duke-
energy.com.
Sincerely,
Terry Tuck, General Manager II
Allen Steam Station
cc: On Tuvia - DEQ Mooresville Regional Office