NC0059536_DMR Review Record_20230630

DMR REVIEW RECORD
Winston-Salem Regional Office
Facility Name: Hilltop Living Center WWTP Permit Number: NCO059536
Report Period: April 2023 Prior Assessments: 1 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
4/30/2023 Nitrogen, Ammonia Total (as N) - 2 X month mg/I 2 3.60 79.0
Proceed to NOV
Concentration
Other Violations/Staff Remarks:
County: Davidson
MAF: 0.001175 MGD
Reported As: Non -Compliant
eDMR Comments: "Ammonia monthly average limit is 2.0 mg/I. Actual value was 3.58 mg/I.
It was in for both daily maximum values."
JSB Remarks: Ammonia daily limit is 10 mg/L, monthly average limit is 2 mg/L. Two sample results were reported, 1.9 and 5.26
mg/L. Exceeded the same parameter in Jan 2023, Oct 2022, Aug 2022, and June 2022.
JSB Recommendation: NOV
Supervisor Remarks:
Lon NOV I was hoping the septic repair would help them. NOV-2023-LV-0472
Completed by: Jesse Barnes Date: 6/30/2023
Assistant Regional
Supervisor Sign -off:
Regional
Supervisor Sign -off: LTS
Date:
Date: 6/30/2023

Prior 12-Month Enforcement Histor
Permit Number: NCO059536
Report Period: April 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
1/31/2023
1-2023
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2023-LM-0020
N) - Concentration
Exceeded
12/31/2022
12-2022
Flow, in conduit or thru
Monthly Average
NOV-2023-LV-0150
treatment plant
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
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
Monitoring Violation
Sample Location:
Outfall 001 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV CPA
1/31/2023
1-2023
Surfactants (MBAS)
Frequency Violation
NOV-2023-LM-0020

Other Violation
Violation Report
Date Period Parameter
Violation
Type NOD NOV CPA
2/7/2023 Violation detected NOV-2023-PC-0107
during inspection