NC0043532_Enforcement (Other)_20200512

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: West Stanly WWTP
Permit Number:
NCO043532
Report Period: March 2020
Prior Assessments:
2 Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description
Waterbody Name
Classification
002 Effluent (Rocky River outfall)
Rocky River
C
Monthly Average Limit Violations
Sample Location: Outfall 002 - Effluent
Violation
Unit of Limit
Calculated % Over
Date Parameter
Frequency Measure Value
Value Limit
Action
3/31/2020 Nitrogen, Ammonia Total (as N) -
3 X week mg/I 6
12.40 106.4
Concentration
Weekly Average Limit Violations
Sample Location: Outfall 002 - Effluent
Violation
Date Parameter
Frequency
Unit of
Measure
Limit
Value
Calculated
Value
% Over
Limit
Action
3/7/2020 Nitrogen, Ammonia Total (as N) -
Concentration
3 X week
mg/I
18
25.70
42.6
Daily Limit Violations
Sample Location: Outfall 002 - Effluent
Violation
Date Parameter
Frequency
Unit of
Measure
Limit
Value
Calculated
Value
% Over
Limit
Action
3/2/2020 Chlorine, Total Residual
3 X week
ug/I
28
47
67.9
No Action, BPJ
3/6/2020 Chlorine, Total Residual
3 X week
ug/I
28
34
21.4
No Action, BPJ
3/12/2020 Chlorine, Total Residual
3 X week
ug/I
28
37
32.1
No Action, BPJ
3/13/2020 Chlorine, Total Residual
3 X week
ug/I
28
34
21.4
No Action, BPJ
3/17/2020 Chlorine, Total Residual
3 X week
ug/I
28
29
3.6
No Action, BPJ
3/19/2020 Chlorine, Total Residual
3 X week
ug/I
28
34
21.4
No Action, BPJ
3/26/2020 Chlorine, Total Residual
3 X week
ug/I
28
43
53.6
No Action, BPJ
3/27/2020 Chlorine, Total Residual
3 X week
ug/I
28
47
67.9
No Action, BPJ

Other Violations/Staff Remarks: Facility under SOC WQ S19-003 signed on 6/2020. Interim limits are for TSS and
Fecal Coliform only.
Supervisor Remarks:
NOI. Did they violate any of their soc limits?
Completed by:
Assistant Regional
Supervisor Sign -off:
Regional
Supervisor Sign -off.
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Date: 5/8/2020
Date:
5/12/2020
Date:

Prior 12-Month Enforcement Histor
Permit Number: NCO043532
Report Period: March 2020
Limit Violation
Sample Location:
Outfall 002 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV
CPA
3/9/2019
3-2019
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2019-LV-0328
LV-2019-0261
Concentration
Exceeded
3/9/2019
3-2019
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0328
LV-2019-0261
Broth, 44.5 C
Mean Exceeded
3/16/2019
3-2019
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2019-LV-0328
LV-2019-0261
Concentration
Exceeded
3/16/2019
3-2019
Solids, Total Suspended -
Weekly Average
NOV-2019-LV-0328
LV-2019-0261
Concentration
Exceeded
3/30/2019
3-2019
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0328
LV-2019-0261
Broth, 44.5 C
Mean Exceeded
3/31/2019
3-2019
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2019-LV-0328
LV-2019-0261
Concentration
Exceeded
3/31/2019
3-2019
Solids, Total Suspended -
Monthly Average
NOV-2019-LV-0328
LV-2019-0261
Concentration
Exceeded
3/31/2019
3-2019
Coliform, Fecal MF, MFC
Monthly Geometric
NOV-2019-LV-0328
LV-2019-0261
Broth, 44.5 C
Mean Exceeded
4/13/2019
4-2019
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2019-LV-0398
LV-2019-0262
Concentration
Exceeded
4/13/2019
4-2019
Solids, Total Suspended -
Weekly Average
NOV-2019-LV-0398
LV-2019-0262
Concentration
Exceeded
4/30/2019
4-2019
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2019-LV-0398
LV-2019-0262
Concentration
Exceeded
4/30/2019
4-2019
Solids, Total Suspended -
Monthly Average
NOV-2019-LV-0398
LV-2019-0262
Concentration
Exceeded