NC0020451_Pretreament Inspection letter_20190312

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Director
NORTH CAROLINA
Environmental Quality
March 29, 2019
Mr. Brandon Patrick, Pretreatment Coordinator
Town of West Jefferson
P.O. Box 490
West Jefferson, NC 28694
SUBJECT: Pretreatment Audit Inspection Report
West Jefferson Wastewater Treatment Plant
NPDES Permit No. NCO020451
Ashe County
Dear Mr. Patrick,
On March 12, 2019, Paul DiMatteo of this office and Vivien Zhong of PERCS conducted a
Pretreatment Audit Inspection at the above referenced wastewater treatment system. Brandon Patrick,
Pretreatment Coordinator, was present for the inspection. The purpose of this inspection was to
determine the effectiveness of the pretreatment program, which included: a detailed file review, review
of the POTW facility performance, sampling and compliance judgement program, adherence to the
enforcement response plan, and observing an industrial user inspection.
Background
The County operates a 0.500 MGD wastewater treatment facility and has one significant
industrial user.
Pretreatment Program Elements Review
The Headworks Analysis (HWA) renewal was submitted on February 6, 2019 and was approved
on March 4, 2019. The next HWA is due by April 1, 2024.
The last Industrial Waste Survey (IWS) was submitted on March 31, 2014 and was approved on
June 23, 2014. The next IWS is due by April 1, 2019. Mr. Patrick said he was working on the submittal.
The last Short -Term Monitoring Plan (STMP) was submitted on July 21, 2014 and was approved
on August 21, 2014. The next STMP is due by April 1, 2019. Mr. Patrick said he was working on the
submittal.
The Sewer Use Ordinance (SUO) was submitted on December 19, 2012 and approved on January
10, 2013.
The Enforcement Response Plan was approved on May 26, 2017.
D E Q�p North Carolina Department of Environmental Quality I Division of Water Resources
Winston-Salem Regional Office 1 450 Hanes Mill Road, Suite 300 1 Winston-Salem, North Carolina 27105
NORTH C. 0LINA
o•o•°^•mme""°""•"viu"•i� /� 336.776.9800

STMP Review
The STMP is being conducted at the proper locations and frequencies.
Industrial User Permit (IUP) File Review
A review of the files for Ashe County Cheese (#0003) revealed that the monitoring data was well
organized and the slug control plan was in good order.
Industrial Inspection
Ashe County Cheese is a cheese manufacturer that is regulated under a local permit. The
inspection included a thorough review of the plant, sampling practices, and industry self -monitoring.
The pretreatment audit is satisfactory. The program is being implemented in an excellent
manner. If you should have any questions, please do not hesitate to contact Paul DiMatteo at (336) 776-
9691 or our office at [phone].
Sincerely,
DocuSigned by:
145B49E225C94EA...
Lon T. Snider, Assistant Regional Supervisor
Water Quality Regional Operations Section
Winston-Salem Regional Office
Division of Water Resources, NCDEQ
Enclosures — PAI Report
CC: PERCS Unit — Vivien Zhong
WSRO Files
Central Files