NC0069841_CEI-NOV-2020-PC-0400_20200901

ROY COOPER
covern4f
MICHAEL S. REGAN
Secreary
S. DANIEL SMITH
Director
NORTH CAROLINA
En vrraninen tar Quality
Certified Mail # 7019 1120 0000 8361 0506
Return Receipt Requested
September 4, 2020
Mark Watson, County Manager
Union County
500 N Main Street, Suite 918
Monroe, NC 28112
SUBJECT: NOTICE OF VIOLATION
Tracking Number: NOV-2020-PC-0400
Permit No. NCO069841
Crooked Creek WWTP #2
Union County
Dear Mr. Watson:
The North Carolina Division of Water Resources conducted an inspection of the Crooked Creek WWTP #2 on
September 1, 2020. This inspection was conducted to verify that the facility is operating in compliance with the
conditions and limitations specified in NPDES WW Permit No. NC0069841. A summary of the findings and
comments noted during the inspection are provided in the enclosed copy of the inspection report.
The Compliance Evaluation inspection was conducted by Division of Water Resources staff from the Mooresville
Regional Office. The following violation(s) were noted during the inspection:
Inspection Area Description of Violation
Permit NPDES Permit Part I, A. (5.) Schedule of Compliance for Ammonia -Nitrogen, items 1. and
2. were missed.
In addition, the issues below must also be addressed:
Please note that in accordance with your current NPDES Permit NC0069841, Part I, A. (1.) Effluent Limitations and
Monitoring Requirements sheet was split into separate Interim and Final limitations and monitoring requirements
sheets [as Section A. (1.) and A. (2.), respectively] to address the reduced NH3-N limits and 4-year compliance
schedule. The interim sheet contains existing NH3-N limits to be in effect until completion of the compliance
schedule, by January 31, 2022. The final sheet contains NH3-N limits effective at completion of the compliance
schedule, lasting through permit expiration.
NortY Cara- na Departmer.tof Erv:rorrr.erts'Qua: ly I Mrsoftof Water Resourozs
Mooresv eF fl•:lra Off Del 61ff Ea2l DeDler Avenue, Suae301I Mooresv e,North Dsra-:na2S115

To allow time and actions toward meeting the new NH3-N limits, a 4-year compliance schedule has been added to
the permit with annual milestones. [See Section A. (5.).]
1. By January 31, 2019, the Permittee shall submit to the Division of Water Resources a Corrective Action Plan
summarizing the strategy or actions to be taken to achieve compliance with the Ammonia -Nitrogen (NH3-N)
limitations listed in Section A. (2.), Which includes specific dates for completion or implementation of each
action.
2. By January 31, 2020, the Permittee shall submit a report to the Division summarizing actions taken in
accordance with the Corrective Action Plan submitted and approved by DWR.
The above noted information has not been submitted by required dates.
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. To prevent further action, please respond in writing to this office within 30 days upon your receipt of
this Notice of Violation regarding your plans or measures to be taken to address the indicated violations and other
identified issues, if applicable.
If you should have any questions, please do not hesitate to contact Roberto Scheller with the Water Quality
Regional Operations Section in the Mooresville Regional Office at 704-663-1699.
Sincerely,
DocuSigned by:
A14CC681 AF27425...
W. Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Mooresville Regional Office
Division of Water Resources, NCDEQ
ATTACHMENTS
Cc: WQS Mooresville Regional Office - Enforcement File
NPDES Compliance/Enforcement Unit - Enforcement File
North Carolina Depart mentof Env:ronrnents!Quality I Div -so a of Water Resoumes
Woo resv-17eReg*m-Office1610Ea2l CeDler Ave rkae,Saae3011WcoresvihE,North Qtrohrha2S115