NC0088722_April Review_20200611

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: Killian Creek WWTP Permit Number: NCO088722
Report Period: April 2020 Prior Assessments: Enforcement Factor:
Waterbody
Outfall # Outfall Description Waterbody Name Classification
001 effluent to Killian Creek Killian Creek C
Monthly Average Limit Violations
Sample Location: Outfall 001- Effluent
Violation Unit of Limit Calculated % Over
Date Parameter Frequency Measure Value Value Limit Action
4/30/2020 Nitrogen, Ammonia Total (as N) - 3 X week mg/I 1.50 2.30 49.9 enforce
Concentration
DS
Weekly Average Limit Violations
Sample Location: Outfall 001 - Effluent
Violation Unit of Limit Calculated % Over
Date Parameter Frequency Measure Value Value Limit Action
4/4/2020 Nitrogen, Ammonia Total (as N) - 3 X week mg/I 4.50 9 100.0
Enforce
Concentration
DS
Other Violations/Staff Remarks:
Supervisor Remarks:
DS
NOI
Enforce - facility has taken steps to abate violations and hopefully prevent future violations.
However, these steps are recent and most were completed after the violations and similar
in 2019.
Completed by:
Ori Tuvia
Assistant Regional
Supervisor Sign -off:
DocuSigned by:
Regional
Supervisor Sign -off: A14CC681AF27425 ..
DocuSigned by:
e�
A14CC681AF27425...
Date:
Date:
Date:
6/26/2020
6/11/2020
6/11/2020

Prior 12-Month Enforcement Histor
Permit Number: NCO088722
Report Period: April 2020
Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV CPA
3/31/2020
3-2020
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2020-LV-0432
N) - Concentration
Exceeded
4/6/2019
4-2019
Nitrogen, Ammonia Total (as
Weekly Average
NOV-2019-LV-0421
N) - Concentration
Exceeded
4/13/2019
4-2019
Nitrogen, Ammonia Total (as
Weekly Average
NOV-2019-LV-0421
N) - Concentration
Exceeded
4/30/2019
4-2019
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2019-LV-0421
N) - Concentration
Exceeded
8/17/2019
8-2019
Nitrogen, Ammonia Total (as
Weekly Average
NOV-2019-LV-0722
N) - Concentration
Exceeded
8/24/2019
8-2019
Nitrogen, Ammonia Total (as
Weekly Average
NOV-2019-LV-0722
N) - Concentration
Exceeded
8/31/2019
8-2019
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2019-LV-0722
N) - Concentration
Exceeded
9/30/2019
9-2019
Nitrogen, Ammonia Total (as
Monthly Average
NOD-2019-LV-0155
N) - Concentration
Exceeded