NC0021717_Pretreatment_Annual_Report_20230301

OF wicKFs� TOWN OF WIL.KESBORO
"Wllzzewel de/✓! 4W1114Z/I& Y�fJ(� Z;7,"
• • P.O.Box 1056.203 West Main Street
�,� Wilkesboro,North Carolina 28697
Oo�'pORAl - �� www•wilkesboronc.org
Phone [phone] • Fax [phone]
February 22, 2023 RECEIVED
MAR 01 2023
NC Dept of Environmental Quality
Peres Unit NCDEO/DWR/NPDES
1617 Mail Service Center
Raleigh, NC 27699-1617
Enclosed is one copy of Town of Wilkesboro's Cub Creek WWTP 2022 Pretreatment Annual Report
(PAR). A full pdf has also been submitted by email to the PERCS Unit.This PAR is for the two 6-month
periods,January 1, 2022 -June 30, 2022 and July 1, 2022—December 31, 2022.
All documents included in this mailing was completed by me, the Pretreatment Coordinator. I certify
that all information collected by myself, or previously collected by our Lab Analyst and ORC is true to the
best of my knowledge.
If you have any questions or concerns, please contact to me at 336-981-1078 ext. 5002.
Sincerely,
Amber Garwood Dustin Colburn
Town of Wilkesboro Town of Wilkesboro
Pretreatment Coordinator Waste Water Supervisor/ORC
MIKE INSCORE KENNETH D.NOLAND JAMES K.BYRD NELLIE ARCHIBALD RUSSELL F.FERREE
Mayor Town Manager Town Clerk JIMMY HAYES Mayor Pro Tem
town [e-mail] ANDREW"ANDY"SOOTS
Council Members

Town of Wilkesboro
Pretreatment Annual Report
Period:January 1, 2022 through December 31, 2022
The Town of Wilkesboro had three Significant Industrial Users,Tyson Foods Inc., Wilkes County Landfill,
and Ashe County Landfill, in the year of 2022.All SIUs have current permits that have been approved. All
discharge monitoring was performed by the respective industries' laboratories, private certified
laboratories, and the Town of Wilkesboro's Cub Creek Lab as outlined by the Pretreatment Program.
There was one SIU,Tyson Foods, in significant noncompliance for the second period of year of 2022.
There were multiple exceedances for two of the three SIUs over the two periods that have been
addressed on a case-by-case basis through Notice of Violations and Notices of Noncompliance. These
are summarized below:
Tyson Foods Inc. (1003-01)
January 1, 2022—June 30, 2022
2 Notice of Noncompliance for TSS
1 Notice of Noncompliance for Ammonia
July 1, 2022—December 31, 2022
2 Notice of Noncompliance for TSS
2 Notice of Violations for TSS
1 Notice of Noncompliance for Ammonia
1 Notice of Violation for Ammonia
Ashe County Landfill (1005-01)
January 1, 2022—June 30, 2022
1 Notice of Noncompliance for Copper
1 Notice of Violation for Cyanide
Also,enclosed in this report, you will find the following:
Pretreatment Program Database Info
PPS
SNCR
IDSF
Allocation Table
Public Notice

The Town of Wilkesboro is still in the design phase of a plant upgrade with a tentative schedule for
construction to start Fall of 2022.This upgrade will address many of the SIU exceedance concerns and
allow for additional allocation to industries facing stringent limits that they are having difficulties
meeting. We have been running additional analysis and are actively scrutinizing changes in the influents
and possible causes. We are focused on working closely with Tyson Foods and engineers to evaluate
current pretreatment operations and building solutions to bring the industry back into compliance in the
first 6-month period of 2023.
Thank you,
Pu A�W�
Dustin Colburn Amber Garwood
ORC/Plant Supervisor Pretreatment Coordinator

Pretreatment Program Info Database printed on: 1/19/2023
for Program Name Wilkesboro IWC % at 7Q10 3.73
WWTP Name Town of Wilkesboro Stream /nformati
d 196 / 126.62
Program Approval Date 06/10/1983 7Q10 Flow cfs/mgd
102.91
/
Pretreatment Status Full 1010 Flow cfs/mgd
Stream Classification C
Region WSRO Basin Number YAD01
County Wilkes Receiving Stream Name YADKIN RIVER
NPDES Number NCO021717
NPDES Effective Date Last PAR Rec 02/23/2022 PAR Due Date03/01/2023 mercury
02/01/2016
Current Fiscal 1631
NPDES Expire Date 09/30/2019 Year PCI Done 06/18/2021 required
POTW is Primary WWTP TRUE Last Audit on 08/07/2018 Audit Year Nex122/23 es
Design Flow mgd 4.9000 % Design mgd is SIU permitted 1 65.31 1 Permitted SIU flow (mgd) [Pt_SIU) 2
WWTP SIU's Program SIUs 3
WWTP CIU's Program CIUs HWA LTMP IWS SUO ERP
date Inactive Date Next Due 04/01/2024 12/01/2024
Date Received by DWR 10/12/2019 09/29/2020 02/24/2020 12/27/2012 02/24/2020
Date Approved 04/27/2020 03/11/2021 03/27/2020 01/02/2013 03/17/2020
Adopt Date Required
Date Adopted 12/03/2012
Info in this Box from Pt Contacts
Date Date Date
PT—Pro Attended Attended Attended
Formal Name g.Prime Phone1 ext Fax HWA Wksp IUP Wksp PAR Wksp
Mr. Dustin Colburn 1 11(336)981-1078 [phone] 11 1/29/2019
[e-mail] ORC IPO Box 1056 8697
Ms. Kimberly Green (336) 98111078 Lab A [phone] 1/30/2019 1/29/2019
[e-mail] nalyst 1203 West Main Street 8697
Ms.Amber Garwood Prim [phone] 5002 [phone] 11 1/30/2020 1 1/29/2020
agarwoodPwilkesboronc.org Pretreatment Coordinator jP0 Box 1056 8697
Pretreatment Related NOVs from DWQ DWR Central Office Contact JPretreatment Staff
12-4-1996 IUP, AT DWR Regional Contact klex Lowe

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PUBLIC NOTICE OF SIU WASTEWATER PERMIT VIOLATIONS
The Town of Wilkesboro, in accordance with Federal and State regulations, is hereby giving Public
Notice. For the two six-month periods in the year 2022,two of three significant industrial users, Ashe
County Landfill, and Tyson Foods Inc., received notice of violations for one or more parameter. Tyson
Foods Inc. was placed into the significant noncompliance category for the second six-month period due
to chronic noncompliance within the TSS parameter.
These SIUs collaborate closely with the Town of Wilkesboro to reach and maintain results within their
permit limits. Ashe County was able to immediately reach compliance within the second six-month
period. Tyson is actively working to do the same and the actions they are taking are evident in the most
recent reports. We anticipate this continued focus on effective operations will result in a successful
pretreatment program moving forward.
Town of Wilkesboro-Wastewater Treatment
Amber Garwood
Pretreatment Coordinator
February 11, 2023
RECEIVED
MAR 01 e_3
NCDEQ1DWR/NPDES

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