NC0021369_NOV2023MV0050_0051_20230322

March 22, 2023

Tim Barth, Manager Town
Town of Columbus
PO Box 146
Columbus, NC 28722-0146

SUBJECT: NOTICE OF VIOLATION
Tracking Number: NOV-2023-MV-0050 & NOV-2023-MV-0051
Permit No. NC0021369
Columbus WWTP
Polk County

Dear Permittee:

A review of the September 2022 Discharge Monitoring Report (DMR) for the subject facility revealed the
violation(s) indicated below:
Monitoring Violation(s):
Sample Monitoring
Location Parameter Date Frequency Type of Violation _________________________________________________________________________________________________________________________________________________________________________
001 Effluent Hardness, Total (as CaCO3) 9/30/2022 Quarterly Frequency Violation
(00900) _________________________________________________________________________________________________________________________________________________________________________
001 Upstream Hardness, Total (as CaCO3) 9/30/2022 Quarterly Frequency Violation
(00900) _________________________________________________________________________________________________________________________________________________________________________

A review of the June 2022 Discharge Monitoring Report (DMR) for the subject facility revealed the violation(s)
indicated below:
Monitoring Violation(s):
Sample Monitoring
Location Parameter Date Frequency Type of Violation _________________________________________________________________________________________________________________________________________________________________________
001 Effluent Phosphorus, Total (as P) - 6/30/2022 Semi-annually Frequency Violation
Concentration (CO665) _________________________________________________________________________________________________________________________________________________________________________

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
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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 me at the
Asheville Regional Office at 828-296-4500.

Sincerely,

Daniel Boss, Assistant Regional Supervisor
Water Quality Regional Operations Section
Asheville Regional Office
Division of Water Resources, NCDEQ

Ec: Laserfiche
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