NC0059536_202212VRR_20230301

DMR REVIEW RECORD
Winston-Salem Regional Office
Facility Name: Hilltop Living Center WWTP Permit Number: NCO059536
Report Period: December 2022 Prior Assessments: 4 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
12/31/2022 Flow, in conduit or thru treatment Weekly mgd 0.0030 0.0043 43.3 Proceed to NOV
plant
Other Violations/Staff Remarks:
County: Davidson
MAF: 0.0043 MGD
Reported Compliance Status: Non -Compliant
eDMR Comments: "The rainfall for the month of December was 3.96 inches. Each inch of rain adds an additional 1000 gallons
of water."
JSB Remarks: Precipitation events can cause increased flow in this system due to open sand filters, stormwater drainage
features, and I&I. However, the weekly flow data (in MGD) were as follows: 0.0057, 0.0035, 0.0033, 0.0034, and 0.0056. Every
flow reading during the month was above the monthly average limit of 0.0030.
JSB Recommendation: NOV
Supervisor Remarks:
Jenny — NOV NOV-2023-LV-0150
Completed by: Jesse Barnes Date: 2/24/2023
Assistant Regional
Supervisor Sign -off: JG
Regional
Supervisor Sign -off:
Date: 3/l/2023
Date:

Prior 12-Month Enforcement Histor
Permit Number: NCO059536
Report Period: December 2022
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
12/16/2021
12-2021
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2022-LV-0175
LV-2022-0173
Concentration
Exceeded
12/28/2021
12-2021
BOD, 5-Day (20 Deg. C) -
Daily Maximum
NOV-2022-LV-0175
LV-2022-0173
Concentration
Exceeded
12/31/2021
12-2021
BOD, 5-Day (20 Deg. C) -
Monthly Average
NOV-2022-LV-0175
LV-2022-0173
Concentration
Exceeded
12/31/2021
12-2021
Nitrogen, Ammonia Total (as
Monthly Average
NOV-2022-LV-0175
LV-2022-0173
N) - Concentration
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

Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation
Report
Violation
Date
Period
Parameter
Type
NOD NOV
CPA
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