NC0085812_DMR Review Record_20190331

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: Grassy Branch WWTP
Permit Number:
NCO085812
Report Period: March 2019
Prior Assessments:
1
Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description
Waterbody Name
Classification
001 Effluent to Crooked Creek
Crooked 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
3/31/2019 Flow, in conduit or thru treatment
Continuous
mgd 0.05
0.10
21.6
plant
Weekly Average Limit Violations
Sample Location: Outfall 001 - Effluent
Violation
Unit of Limit
Calculated
% Over
Date Parameter
Frequency
Measure Value
Value
Limit
Action
3/2/2019 Coliform, Fecal MF, MFC Broth,
Weekly
#/100ml 400
3900
875.0
44.5 C
Other Violations/Staff Remarks:
Supervisor Remarks:
NOV/NOI
Completed by:
Assistant Regional
Supervisor Sign -off:
Regional
Supervisor Sign -off:
DocuSigned by:
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EDocuSigned by:
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12/5/2019
Date:
12.4.19
Date:
Date:

Prior 12-Month Enforcement Histor
Permit Number: NC0085812
Report Period: March 2019
Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV CPA
10/6/2018
10-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2018-LV-0857
Broth, 44.5 C
Mean Exceeded
10/13/2018
10-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2018-LV-0857
Broth, 44.5 C
Mean Exceeded
10/20/2018
10-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2018-LV-0857
Broth, 44.5 C
Mean Exceeded
10/31/2018
10-2018
Flow, in conduit or thru
Monthly Average
NOV-2018-LV-0857
treatment plant
Exceeded
11/10/2018
11-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0022
Broth, 44.5 C
Mean Exceeded
11/17/2018
11-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0022
Broth, 44.5 C
Mean Exceeded
11/30/2018
11-2018
Flow, in conduit or thru
Monthly Average
NOV-2019-LV-0022
treatment plant
Exceeded
1/5/2019
1-2019
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0184 LV-2019-0074
Broth, 44.5 C
Mean Exceeded
1/12/2019
1-2019
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2019-LV-0184 LV-2019-0074
Concentration
Exceeded
1/31/2019
1-2019
Flow, in conduit or thru
Monthly Average
NOV-2019-LV-0184 LV-2019-0074
treatment plant
Exceeded
12/11/2018
12-2018
pH
Daily Maximum
NOV-2019-LV-0104
Exceeded
12/15/2018
12-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0104
Broth, 44.5 C
Mean Exceeded
12/22/2018
12-2018
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2019-LV-0104
Concentration
Exceeded
12/22/2018
12-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0104
Broth, 44.5 C
Mean Exceeded
12/29/2018
12-2018
Nitrogen, Ammonia Total (as
Weekly Average
NOV-2019-LV-0104
N) - Concentration
Exceeded
12/29/2018
12-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0104
Broth, 44.5 C
Mean Exceeded
12/31/2018
12-2018
Flow, in conduit or thru
Monthly Average
NOV-2019-LV-0104
treatment plant
Exceeded

Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV CPA
12/31/2018
12-2018
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2019-LV-0104
N) - Concentration
Exceeded
12/31/2018
12-2018
Coliform, Fecal MF, MFC
Monthly Geometric
NOV-2019-LV-0104
Broth, 44.5 C
Mean Exceeded
2/28/2019
2-2019
Flow, in conduit or thru
Monthly Average
NOV-2019-LV-0296
treatment plant
Exceeded
3/3/2018
3-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2018-LV-0604
Broth, 44.5 C
Mean Exceeded
3/17/2018
3-2018
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2018-LV-0604
Concentration
Exceeded
3/31/2018
3-2018
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2018-LV-0604
Concentration
Exceeded
3/31/2018
3-2018
Flow, in conduit or thru
Monthly Average
NOV-2018-LV-0604
treatment plant
Exceeded
3/31/2018
3-2018
Coliform, Fecal MF, MFC
Monthly Geometric
NOV-2018-LV-0604
Broth, 44.5 C
Mean Exceeded
3/31/2018
3-2018
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2018-LV-0604
Concentration
Exceeded
4/14/2018
4-2018
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOD-2018-LV-0105
Concentration
Exceeded
6/2/2018
6-2018
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2018-LV-0668
Concentration
Exceeded
6/2/2018
6-2018
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2018-LV-0668
Broth, 44.5 C
Mean Exceeded