NC0021181_DEC REV_20210304

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: Belmont WWTP Permit Number: NC0021181
Report Period: January 2021
Prior Assessments: 0 Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description Waterbody Name Classification
001 Effluent to the Catawba River
CATAWBA RIVER (Lake Wylie below elevation 570) WS-IV,B;CA
Weekly Average Limit Violations
Sample Location: Outfall 001- Effluent
Violation Unit of Limit Calculated % Over
Date Parameter
Frequency Measure Value Value Limit
Action
1/9/2021 Solids, Total Suspended -
Concentration
5 X week mg/I 45 50.60 12.4
Daily Limit Violations
Sample Location: Outfall 001- Effluent
Violation Unit of Limit Calculated % Over
Date Parameter Frequency Measure Value Value Limit
Action
1/4/2021 Chlorine, Total Residual
5 X week ug/I 28 45 60.7 No Action, BPJ
1/5/2021 Chlorine, Total Residual
5 X week ug/I 28 36 28.6 No Action, BPJ
1/13/2021 Chlorine, Total Residual
5 X week ug/I 28 44 57.1 No Action, BPJ
1/19/2021 Chlorine, Total Residual
5 X week ug/I 28 48 71.4 No Action, BPJ
1/21/2021 Chlorine, Total Residual
5 X week ug/I 28 32 14.3 No Action, BPJ
1/25/2021 Chlorine, Total Residual
5 X week ug/I 28 34 21.4 No Action, BPJ
1/27/2021 Chlorine, Total Residual
5 X week ug/I 28 48 71.4 No Action, BPJ
1/28/2021 Chlorine, Total Residual
5 X week ug/I 28 37 32.1 No Action, BPJ
Other Violations/Staff Remarks:
ORC Comment "Week 2 we were over our weekly TSS permit limit, we have cleaned our effluent contact chamber Jan 11 and we
have started a new settling agent to help with this. We also had extremely high influent solids during that week coming into our
plant." NOD recommended
Supervisor Remarks:
NOD

Completed by:
Assistant Regional
Supervisor Sign -off:
Regional
Supervisor Sign -off:
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Date: 3/4/2021
3.4.21
Date:
Date:

Prior 12-Month Enforcement History
Permit Number: NC0021181 Report Period: January 2021
Limit Violation
Sample Location: Outfall 001 - Effluent
Violation Report Violation
Date Period Parameter Type
NOD
NOV CPA
12/26/2020 12-2020 Solids, Total Suspended -
Concentration
Weekly Average
Exceeded
NOD-2021-LV-0031
5/2/2020 5-2020 Solids, Total Suspended -
Concentration
Weekly Average
Exceeded
NOV-2020-LV-0560
5/16/2020 5-2020 Solids, Total Suspended -
Concentration
Weekly Average
Exceeded
NOV-2020-LV-0560