NC0026441_NOV-2022-PC-0246 GC_20220420

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ROY COOPER
Governor
ELIZABETH S. BISER
Secretory
RICHARD E. ROGERS, JR.
Director
NORTH CAROLINA
Environmental Quality
Certified Mail # 7017 2680 0000 2237 2805
Return Receipt Requested
April 28, 2022
Roy Lynch, Town Manager
Town of Siler City
PO Box 769
Siler City, NC 27344
MAILED
Subj ect: Compliance Sampling Inspection (CSI)
NOTICE OF VIOLATION & INTENT TO ASSESS CIVIL PENALTY
Tracking Number: NOV-2022-PC-0246
Permit No. NC0026441
Siler City WWTP
Chatham County
Dear Mr. Lynch:
On March 9, 2022, Cheng Zhang, and Alys Hannum with the Raleigh Regional Office (RRO) of the
Division of Water Resources (DWR), conducted a compliance sampling inspection of the subject
facility. The assistance of Ms. Britany York, the WWTP Superintendent and Operator in Responsible
Charge (ORC), and Ms. Bobbie Hill, the backup ORC and laboratory supervisor, was greatly
appreciated during the inspection. Observations during the inspection are summarized below, as well as
an inspection checklist is attached for your records.
Siler City WWTP is permitted to discharge at a rate of 4.0 MGD and consists of: automatic and manual
bar screens, grit collection unit, influent pump station, influent equalization basin (Zone 2), dual
oxidation ditches with surface jet aeration, flow splitter box, alum feed station, lime feed station, dual
secondary clarifiers, dual aerobic digesters, sludge transfer station, dissolved air flotation (DAF) unit
(Used as needed), sludge thickener basin, influent equalization or sludge storage basins (Zone 3 A & B
used as needed), four tertiary filters, filter backwash basin, gaseous chlorine disinfection, chlorine
contact chamber, gaseous sulfur dioxide dechlorination, and step -aeration. The facility discharges into
Loves Creek, which is classified C waters in the Cape Fear Basin.
1. The current permit was modified on April 30, 2019 and expired on May 31, 2019. A draft
permit was published on March 31, 2022 for public comments.
2. Basinwide Information Management System (BIMS) classifies the facility as a WW-4
Wastewater Treatment Plant. Britany York is listed as the Operator in Responsible Charge
(ORC). Bobbie Hill and Chris McCorquodale are listed as Back-up Operator in Responsible
Charge (Back-up ORC).
3. At the time of inspection, all listed treatment units were in operable conditions with a few
exceptions: the DAF unit has not been used in the past years; EQ basin 4A was not used to hold
wasted sludge; one recirculation pump at oxidation ditch #1 was taken offline for repair. Wasted
North Carolina Department of Environmental Quality 1 Division of Water Resources
Raleigh Regional Office 1 3800 Barrett Drive I Raleigh, North Carolina 27609
919 791 4200

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1. Article Addressed to:
Roy Lynch, Town Manager
Town of Siler City
PO Box 769
Siler City, NC 27344
Siler City WWTP
NOV-2022-PC-0246 Ne.0026441 VM
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Roy Lynch, Town Manager
mth Town of Siler City
PO Box 769
siigr Siler City, NC 27344
Siler City WWTP
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Water Quality Regional
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3800 Barrett Drive
Raleigh, NC 27609
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