NC0024538_Enforcement (Other)_20200406

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: First Broad River WWTP
Permit Number: NCO024538
Report Period: February
Prior Assessments: 0 Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description
Waterbody Name Classification
001 Effluent to the First Broad River
First Broad River C
Daily Limit Violations
Sample Location: Outfall 001 - Effluent
Violation
Unit of Limit Calculated % Over
Date Parameter
Frequency Measure Value Value Limit Action
2/11/2020 Chlorine, Total Residual
5 X week ug/I 28 39 39.3 No Action, BPJ
2/7/2020 pH
5 X week su 6 5.80 -3.3
2/24/2020 pH
5 X week su 6 5.60 -6.7
2/25/2020 pH
5 X week su 6 5.80 -3.3
2/26/2020 pH
5 X week su 6 5.60 -6.7
Other Violations/Staff Remarks:
EDMR noted "The City observed low pH's coming into the plant on these days as well. Operations staff performed outfall testing
and contacted all industries. The City was unable
to pinpoint the location of the low pH discharge. City has set up caustic feed
(emergency) and is also feeding lime as needed.
The City has continued to conduct periodic outfall testing."
Supervisor Remarks:
NOD
Completed by: on tuvia
Assistant Regional
Supervisor Sign -off:
DocuSigned by:
Regional
Supervisor Sign -off: s
Date:
Date:
Date:
4/6/2020
4/6/2020

Prior 12-Month Enforcement History
Permit Number: NCO024538 Report Period: February 2020
Limit Violation
Sample Location: Outfall 001 - Effluent
Violation Report Violation
Date Period Parameter Type NOD NOV CPA
1/15/2020 1-2020 pH Daily Minimum Not NOD-2020-LV-0046
Reached