NC0020737_DMR Review Record_20220606

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: Pilot Creek WWTP Permit Number: NC0020737
Report Period: April 2022
Prior Assessments: 0 Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description Waterbody Name Classification
001 Effluent to Buffalo Creek Buffalo Creek C
Weekly Average Limit Violations
Sample Location: Outfall 001 - Effluent
Violation Unit of Limit Calculated % Over
Date Parameter
Frequency Measure Value Value Limit
Action
4/9/2022 Solids, Total Suspended -
Concentration
5 X week mg/I 45 85.40 89.9
Daily Limit Violations
Sample Location: Outfall 001 - Effluent
Violation Unit of Limit Calculated % Over
Date Parameter Frequency Measure Value Value Limit
Action
4/4/2022 Chlorine, Total Residual
5 X week ug/I 28 37 32.1 No Action, BPJ
4/12/2022 Chlorine, Total Residual
5 X week ug/I 28 33 17.9 No Action, BPJ
4/18/2022 Chlorine, Total Residual
5 X week ug/I 28 41 46.4 No Action, BPJ
4/19/2022 Chlorine, Total Residual
5 X week ug/I 28 31 10.7 No Action, BPJ
4/20/2022 Chlorine, Total Residual
5 X week ug/I 28 29 3.6 No Action, BPJ
4/22/2022 Chlorine, Total Residual
5 X week ug/I 28 33 17.9 No Action, BPJ
Other Violations/Staff Remarks:
ORC indicated — "We had one of our systems down for cleaning and a large rain came through. Not sure how that many solids
reached our effluent, this has never happened that I'm aware of. As you can tell, the next day results were normal." NOV
recomnded
Supervisor Remarks:
OK, proceed to NOV. if I'm not satisfied with their response to the NOV, I may suggest further action.

Completed by:
Assistant Regional
Supervisor Sign -off:
Regional
Supervisor Sign -off:
Ori Tuvia
DocuSigned by:
A14CC681 AF27425...
Date:
Date:
Date:
6/6/2022
6/6/2022

Prior 12-Month Enforcement History
Permit Number: NC0020737 Report Period: April 2022
Limit Violation
Sample Location: Outfall 001 - Effluent
Violation Report Violation
Date Period Parameter Type
NOD
NOV CPA
9/1/2021 9-2021 Chlorine, Total Residual
Daily Maximum
Exceeded
NOD-2021-LV-0205