NC0062278_DMR Review Record_20220119

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: Berkley Oaks WWTP Permit Number: NC0062278
Report Period: June 2021
Prior Assessments: 2 Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description Waterbody Name Classification
001 Effluent to UT McGill Branch McGill Branch C
Monthly Average Limit Violations
Sample Location: Outfall 001 - Effluent
Violation Unit of Limit Calculated % Over
Date Parameter Frequency Measure Value Value Limit Action
6/30/2021 BOD, 5-Day (20 Deg. C) -
Concentration
Weekly mg/I 9 12.80 42.7
6/30/2021 Nitrogen, Ammonia Total (as N) - Weekly mg/I 2 2.70 37.2
Concentration
Daily Limit Violations
Sample Location: Outfall 001- Effluent
Violation Unit of Limit Calculated % Over
Date Parameter Frequency Measure Value Value Limit
Action
6/3/2021 BOD, 5-Day (20 Deg. C) -
Concentration
Weekly mg/I 14 30 114.3
6/9/2021 Chlorine, Total Residual
2 X week ug/I 17 29 70.6 No Action, BPJ
6/10/2021 Chlorine, Total Residual
2 X week ug/I 17 20 17.6 No Action, BPJ
6/16/2021 Chlorine, Total Residual
2 X week ug/I 17 30 76.5 No Action, BPJ
6/18/2021 Chlorine, Total Residual
2 X week ug/I 17 42 147.1 No Action, BPJ
6/24/2021 Chlorine, Total Residual
2 X week ug/I 17 22 29.4 No Action, BPJ
6/24/2021 Coliform, Fecal MF, MFC Broth, Weekly #/100m1 400 600 50.0
44.5 C
6/29/2021 Coliform, Fecal MF, MFC Broth, Weekly #/100m1 400 910 127.5
44.5 C
6/3/2021 Nitrogen, Ammonia Total (as N) - Weekly mg/I 10 11 10.0
Concentration

Other Violations/Staff Remarks:
ORC indicated "An extension of similar treatment violations directly relate to inadequate oxygen (and now turbidity) as explained
in my July 19th violation response to Ori. fecal due to waning water quality leading to cloudiness resulting in inadequate
chlorination."
NOI recommended
Supervisor Remarks:
NOI
Completed by: Ori Tuvia
Assistant Regional
Supervisor Sign -off:
Regional
Supervisor Sign -off:
DocuSigned by:
Date:
Date:
Date:
1/19/2022
1/19/2022

Prior 12-Month Enforcement History
Permit Number: NC0062278
Report Period: June 2021
Limit Violation
Sample Location: Outfall 001 - Effluent
Violation Report
Date Period Parameter
Violation
Type
NOD
NOV
CPA
4/30/2021 4-2021
Nitrogen, Ammonia Total (as Monthly Average
N) - Concentration Exceeded
NOV-2021-LV-0448 LV-2021-0209
5/20/2021 5-2021 Nitrogen, Ammonia Total (as
N) - Concentration
Daily Maximum
Exceeded
NOV-2021-LV-0530 LV-2021-0219
5/27/2021 5-2021 Nitrogen, Ammonia Total (as
N) - Concentration
Daily Maximum
Exceeded
NOV-2021-LV-0530 LV-2021-0219
5/31/2021 5-2021
Nitrogen, Ammonia Total (as Monthly Average
N) - Concentration Exceeded
NOV-2021-LV-0530 LV-2021-0219
8/5/2020 8-2020 BOD, 5-Day (20 Deg. C) -
Concentration
Daily Maximum
Exceeded
NOV-2020-LV-0767