NC0026051_NOD-2023-LV-0090_20230721

DocuSign Envelope ID: 74BB24FD-DCDO-4B9B-91CF-F775EO342C5E
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Claudia 0 Hager
Durham County
200 E Main St 2nd Floor
Durham, NC 27701
NORTH CAROLINA
Environmental Quality
July 21, 2023
SUBJECT: NOTICE OF DEFICIENCY
Tracking Number: NOD-2023-LV-0090
Permit No. NCO026051
Triangle WWTP
Durham County
Dear Permittee:
A review of the May 2023 Discharge Monitoring Report (DMR) for the subject facility revealed the deficiency(s)
indicated below:
Limit Exceedance Deficiency(s):
Sample
Location Parameter
Limit Reported
Date Value Value Type of Deficiency
001 Effluent BOD, 5-Day (20 Deg. C) - 5/20/2023 7.5 8 Weekly Average Exceeded
Concentration (C0310)
Please be aware that non-compliance with your permit could result in enforcement action by the Division of
Water Resources for these and any additional violations of State law. The Raleigh Regional Office encourages
you to take all necessary actions to bring your facility into compliance.
If you should need any assistance or would like to discuss this non-compliance situation, please contact Cheng
Zhang of the Raleigh Regional Office at 919-791-4200.
Cc: Laserfiche
Sincerely,
ocuSigned by:
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Vanessa E. Manuel, Assistant Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources, NCDEQ
North Carolina Department of Environmental Quality I Division of Water Resources
Raleigh Regional Office 1 3800 Barrett Drive I Raleigh, North Carolina 27609
919.791.4200