NC0059536_DMR Review Record_20230321

DMR REVIEW RECORD
Winston-Salem Regional Office
Facility Name: Hilltop Living Center WWTP Permit Number: NCO059536
Report Period: January Prior Assessments: 3 Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description
Waterbody Name Classification
001 Effluent to UT Yadkin River
YADKIN RIVER (including upper portion of High WS-V
Rock Lake below normal operating level)
Monthly Average Limit Violations
Sample Location: Outfall 001 - Effluent
Violation
Unit of Limit Calculated % Over
Date Parameter
Frequency Measure Value Value Limit Action
1/31/2023 Nitrogen, Ammonia Total (as N) -
2 X month mg/I 4 4.50 12.0 Proceed to NOV
Concentration
Monitoring Frequency Violations
Sample Location: Outfall 001- Effluent
Violation
Unit of
Date Parameter
Frequency Measure Action
1/31/2023 Surfactants (MBAS)
2 X month ug/I Proceed to NOV
Other Violations/Staff Remarks:
County: Davidson
MAF: 0.00258 MGD
Reported as: "Non -compliant"
eDMR Comments: "Monthly average for Ammonia was out at 4.4mg/I. Monthly average limit is 4.0mg/I."
JSB Remarks: Analyzed effluent total ammonia (as N) twice during the month, the data were 4.37 and 4.59 mg/L- both over the
monthly average permit limit of 4 mg/L. Permit
requires surfactants sample analysis twice monthly, only one sample was
reported.
JSB Recommendation: NOV
Supervisor Remarks:
Lon NOV NOV-2023-LM-0020

Completed by: Jesse Barnes
Assistant Regional
Supervisor Sign -off:
Regional
Supervisor Sign -off: LTS
Date: 3/20/2023
Date:
Date: 3/21/2023
Prior 12-Month Enforcement Histor
Permit Number: NCO059536
Report Period: January 2023
Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV
CPA
10/28/2022
10-2022
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOD-2022-LV-0157
Concentration
Exceeded
10/31/2022
10-2022
Nitrogen, Ammonia Total (as
Monthly Average
NOD-2022-LV-0157
N) - Concentration
Exceeded
1/31/2022
1-2022
Nitrogen, Ammonia Total (as
Monthly Average
NOD-2022-LV-0044
N) - Concentration
Exceeded
12/31/2022
12-2022
Flow, in conduit or thru
Monthly Average
NOV-2023-LV-0150
treatment plant
Exceeded
2/10/2022
2-2022
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2022-LV-0313
LV-2022-0172
Concentration
Exceeded
2/10/2022
2-2022
Coliform, Fecal MF, MFC
Daily Maximum
NOV-2022-LV-0313
LV-2022-0172
Broth, 44.5 C
Exceeded
2/22/2022
2-2022
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2022-LV-0313
LV-2022-0172
Concentration
Exceeded
2/28/2022
2-2022
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2022-LV-0313
LV-2022-0172
Concentration
Exceeded
2/28/2022
2-2022
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2022-LV-0313
LV-2022-0172
N) - Concentration
Exceeded
3/15/2022
3-2022
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2022-LV-0666
LV-2022-0272
Concentration
Exceeded
3/31/2022
3-2022
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2022-LV-0666
LV-2022-0272
Concentration
Exceeded
3/31/2022
3-2022
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2022-LV-0666
LV-2022-0272
Concentration
Exceeded
5/31/2022
5-2022
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2022-LV-0667
Concentration
Exceeded
5/31/2022
5-2022
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2022-LV-0667
Concentration
Exceeded

5/31/2022
5-2022
Flow, in conduit or thru
Monthly Average
NOV-2022-LV-0667
treatment plant
Exceeded
6/30/2022
6-2022
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2022-LV-0668
LV-2022-0274
Concentration
Exceeded
6/30/2022
6-2022
Coliform, Fecal MF, MFC
Daily Maximum
NOV-2022-LV-0668
LV-2022-0274
Broth, 44.5 C
Exceeded
Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV
CPA
6/30/2022
6-2022
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2022-LV-0668
LV-2022-0274
N) - Concentration
Exceeded
7/21/2022
7-2022
Coliform, Fecal MF, MFC
Daily Maximum
NOV-2022-LV-0717
Broth, 44.5 C
Exceeded
7/31/2022
7-2022
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2022-LV-0717
Concentration
Exceeded
8/31/2022
8-2022
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2022-LV-0796
N) - Concentration
Exceeded