NC0066966_202106VRR_20211026

DMR REVIEW RECORD
Winston-Salem Regional Office
Facility Name: Quarterstone Farm WWTP Permit Number: NC0066966
Report Period: June 2021
Prior Assessments: 1 Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description Waterbody Name Classification
001 Effluent to Buffalo Creek Buffalo Creek WS-V;NSW
Monthly Average Limit Violations
Sample Location: Outfall 001 - Effluent
Violation Unit of Limit Calculated % Over
Date Parameter Frequency Measure Value Value Limit
Action
6/30/2021 Nitrogen, Ammonia Total (as N) - Weekly mg/I 16 18.40 14.8
Concentration
Other Violations/Staff Remarks: DMR remarks say, "High Ammonia due to over wasting sludge. we have backed off of
wasting in hopes to get the system back in compliance."
Recommend NOD.
Supervisor Remarks: Jenny — NOD
Lon NOD
NOD2021LV0204
Completed by: Ron Boone Date: 20211026
Assistant Regional
Supervisor Sign -off: Jenny Graznak Date: 10/28/2021
Regional
Supervisor Sign -off: LTS Date: 11/1/2021

Prior 12-Month Enforcement History
Permit Number: NC0066966
Report Period: June 2021
Limit Violation
Sample Location: Outfall 001 - Effluent
Violation Report
Date Period Parameter
Violation
Type
NOD
NOV
CPA
6/30/2020 6-2020 Coliform, Fecal MF, MFC
Broth, 44.5 C
Daily Maximum
Exceeded
NOV-2020-LV-0722
6/30/2020 6-2020 Nitrogen, Ammonia Total (as
N) - Concentration
Monthly Average
Exceeded
NOV-2020-LV-0722
7/20/2020 7-2020 pH
Daily Maximum
Exceeded
NOV-2020-LV-0723
7/31/2020 7-2020 Nitrogen, Ammonia Total (as
N) - Concentration
Monthly Average
Exceeded
NOV-2020-LV-0723
8/6/2020 8-2020 Nitrogen, Ammonia Total (as
N) - Concentration
Daily Maximum
Exceeded
NOV-2020-LV-0806 LV-2021-0073
8/31/2020 8-2020 Nitrogen, Ammonia Total (as
N) - Concentration
Monthly Average
Exceeded
NOV-2020-LV-0806 LV-2021-0073