NC0085812_Compliance Report_20200212

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: Grassy Branch WWTP
Permit Number: NCO085812
Report Period: December 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
12/31/2019 Flow, in conduit or thru treatment Continuous
mgd 0.05
0.10 3.1
plant
Other Violations/Staff Remarks:
Supervisor Remarks:
NOD
DocuSigned by:
Ste+-
211212020
Completed by:
Date:
11C2, 07838943E...
Assistant Regional
Supervisor Sign -off:
Date:
DocuSigned by:
Regional
EA14(,(-.6AIAF9749.'
2/12/2020
Supervisor Sign -off:
Date:

Prior 12-Month Enforcement Histor
Permit Number: NCO085812
Report Period: December 2019
Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV
CPA
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
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
3/2/2019
3-2019
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0920
Broth, 44.5 C
Mean Exceeded
3/31/2019
3-2019
Flow, in conduit or thru
Monthly Average
NOV-2019-LV-0920
treatment plant
Exceeded
4/6/2019
4-2019
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2019-LV-0399
Concentration
Exceeded
4/6/2019
4-2019
Solids, Total Suspended -
Weekly Average
NOV-2019-LV-0399
Concentration
Exceeded

Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV CPA
4/6/2019
4-2019
Coliform, Fecal MF, MFC
Weekly Geometric
NOV-2019-LV-0399
Broth, 44.5 C
Mean Exceeded
4/13/2019
4-2019
BOD, 5-Day (20 Deg. C) -
Weekly Average
NOV-2019-LV-0399
Concentration
Exceeded
4/13/2019
4-2019
Nitrogen, Ammonia Total (as
Weekly Average
NOV-2019-LV-0399
N) - Concentration
Exceeded
4/30/2019
4-2019
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2019-LV-0399
Concentration
Exceeded
4/30/2019
4-2019
Flow, in conduit or thru
Monthly Average
NOV-2019-LV-0399
treatment plant
Exceeded
4/30/2019
4-2019
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2019-LV-0399
N) - Concentration
Exceeded