WQ0031506_NOV 2023 MV 0116_20230626

Certified Mail # 7020 3160 0000 2219 4928
Return Receipt Requested
June 26, 2023

Todd Taylor
Orange Water and Sewer Authority
400 Jones Ferry Rd
Carrboro, NC 27510-2001

SUBJECT: NOTICE OF VIOLATION
Tracking Number: NOV-2023-MV-0116
Permit No. WQ0031506
Mason Farm WWTP
Orange County

Dear Permittee:

A review of the November 2022 Non-Discharge Monitoring Report (NDMR) for the subject facility revealed the
violation(s) indicated below:
Monitoring Violation(s):
Sample Monitoring
Location Parameter Date Frequency Type of Violation _________________________________________________________________________________________________________________________________________________________________________
001 Nitrogen, Ammonia Total (as N) 11/5/2022 2 X week Frequency Violation
(00610) _________________________________________________________________________________________________________________________________________________________________________

Remedial actions, if not already implemented, should be taken to correct any noted problems. The Division of
Water Resources may pursue enforcement actions for this and any additional violations. 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 (SOC).

If you have any questions concerning this matter or to apply for an SOC, please contact Dorothy Robson 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

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