NC0026441_NOV-2020-LV-0388 Response_20200529

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Public works and Utilities
May 29, 2020
ATTN: Vanessa E. Manuel, Assistant Regional Supervisor
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: NOTICE OF VIOLATION
Tracking Number: NOV-2020-LV-0388
Permit No. NCO026441
Town of Siler City WWTP
Chatham County
Dear Vanessa E. Manuel,
NC Dept of Environmental Quality
JUN 17 2020
Raleigh Regional Office
This letter is in response to the Notice of Violation for exceeding our monthly limit on Nitrogen, Ammonia Total
(as N) Monthly limit is 2.0 mg/I our monthly reported value for March was 2.81 mg/l. It is my belief that this
happened due to a few high flow events during the month of March and the fact that we are holding onto more
sludge due to not being able to land apply during these wet months. We had no available storage to waste and in
result had to turn off blowers to the Oxidation ditches several times during the month to prevent from having a
Clarifier bulk due to high sludge blankets. We are working closely with Synagro to get this problem resolved and
to hopefully get on schedule to be hauled more frequently in the future.
if you have any questions please do not hesitate to contact me.
Sincerely, -
Tay► Pofler City
Brittany York
Wastewater Plant Superintendent
Cc: Roy Lynch Town Manager, Chris McCorquodale Public Works & Utility Director
Brittany York
WWTP Superintendent [e-mail]
PO Box 769.311 N Second Avenue Phone: [phone]
Siler City, NC 27344-0769 www.silercity.org
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ROY COOPER
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MICHAEL S. REGAN
S. DANIEL SMITH
Diretler
Certified Mail # 70172680000022366637
Return Receipt Requested
Roy Lynch, Town Manager
Town of Siler City
PO Box 769
Siler City, NC 27344
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NORTH CAROLINA
Envirnnmentai Quality
NC Dept of Environmental Quality
May 6, 2020 JUN i z 2020
SUBJECT: NOTICE OF VIOLATION & INTENT TO ASSESS CIVIL PENALTY
Tracking Number: NOV-2020-LV-0388
Permit No. NCO026441
Siler City WWTP
Chatham County
Dear Permittee:
Raleigh Regional Office
A review of the March 2020 Discharge Monitoring Report (DMR) for the subject facility revealed the violation(s)
indicated below:
Limit Exceedance Violation(s):
Sample Limit Reported
Location Parameter Date Value Value Type of Violation
001 Effluent Nitrogen, Ammonia Total (as 3/31/2020 2 2.81 Monthly Average Exceeded
N) - Concentration (C0610)
A Notice of Violation/Intent to Issue Civil Penalty is being issued for the noted violation of North Carolina General
Statute (G.S.) 143-215.1 and the facility's NPDES WW Permit. Pursuant to G.S. 143-215.6A, a civil penalty of
not more than twenty-five thousand dollars ($25,000.00) may be assessed against any person who violates or
fails to act in accordance with the terms, conditions, or requirements of any permit issued pursuant to G.S.
143-215.1.

If you wish to provide additional information regarding the noted violation, request technical assistance, or
discuss overall compliance please respond in writing within six 60 business day s after receipt of this Notice. A
review of your response will be considered along with any information provided on the submitted Monitoring
Report(s). You will then be notified of any civil penalties that may be assessed regarding the violations. If no
response is received in this Office within the 60-day period, a civil penalty assessment may be
prepared.
Remedial actions should have already been taken to correct this problem and prevent further occurrences in the
future. The Division of Water Resources may pursue enforcement action for this and any additional violations of
State law. If the violations are of a continuing nature, not related to operation and/or maintenance problems,
and you anticipate remedial construction activities, then you may wish to consider applying for a Special Order by
Consent.
Reminder: Pursuant to Permit Condition 6 in Section E, the Permittee is required to verbally notify the Regional
Office as soon as possible, not to exceed 24 hours, from first knowledge of any non-compliance at
the facility including limit violations, bypasses of, or failure of a treatment unit. A written report may
be required within 5 days if directed by Division staff. Prior notice should be given for anticipated or
potential problems due to planned maintenance activities, taking units ofF line, etc.
If you have any questions concerning this matter or to apply for an SOC, please contact Cheng Zhang of the
Raleigh Regional Office at 919-791-4200.
Sincerely,
Vanessa E. Manuel, Assistant Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources, NCDEQ
Cc: WQS Raleigh Regional Office - Enforcement File
NPDES Compliance/Enforcement Unit - Enforcement File
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