NC0026689_202211VRR_20230112

DMR REVIEW RECORD
Winston-Salem Regional Office
Facility Name: Denton WWTP
Permit Number:
NCO026689
Report Period: November 2022
Prior Assessments:
0
Enforcement Factor: 1.00
Waterbody
Outfall # Outfall Description
Waterbody Name
Classification
001 Effluent to Lick Creek
Lick Creek
WS-IV
Monthly Average Limit Violations
Sample Location: Outfall 001 - Effluent
Violation
Unit of
Limit
Calculated
% Over
Date Parameter
Frequency
Measure
Value
Value
Limit
Action
11/30/2022 Dichlorobromomethane
Monthly
ug/I
1.30
1.40
7.7
Proceed to NOV
(bromodichloromethane)
Daily Limit Violations
Sample Location: Outfall 001- Effluent
Violation
Unit of
Limit
Calculated
% Over
Date Parameter
Frequency
Measure
Value
Value
Limit
Action
11/1/2022 Chlorine, Total Residual
3 X week
ug/I
17
19
11.8
No Action, BPJ
11/7/2022 Chlorine, Total Residual
3 X week
ug/I
17
23
35.3
No Action, BPJ
11/8/2022 Chlorine, Total Residual
3 X week
ug/I
17
26
52.9
No Action, BPJ
11/9/2022 Chlorine, Total Residual
3 X week
ug/I
17
23
35.3
No Action, BPJ
11/14/2022 Chlorine, Total Residual
3 X week
ug/I
17
23
35.3
No Action, BPJ
11/15/2022 Chlorine, Total Residual
3 X week
ug/I
17
25
47.1
No Action, BPJ
11/22/2022 Chlorine, Total Residual
3 X week
ug/I
17
27
58.8
No Action, BPJ
11/23/2022 Chlorine, Total Residual
3 X week
ug/I
17
24
41.2
No Action, BPJ
11/28/2022 Chlorine, Total Residual
3 X week
ug/I
17
35
105.9
No Action, BPJ
11/29/2022 Chlorine, Total Residual
3 X week
ug/I
17
25
47.1
No Action, BPJ
Other Violations/Staff Remarks:
County: Davidson
MAF: 0.422967 MGD
Checked: Non -Compliant
eDMR Comments: "We experienced a high Dichlorobromomethane due
to an
over feeding of chlorine in the chlorine contact
chamber. We have made the correction and should return
to compliance for next sampling"
JSB Remarks: Relatively low exceedance, but prior history of violations of same parameter.
JSB Recommendation: NOD

Supervisor Remarks:
Lon NOV NOV-2023-LV-0028
Completed by: Jesse Barnes
Assistant Regional
Supervisor Sign -off:
Regional
Supervisor Sign -off: LTS
Permit Number: NCO026689
Date: 1/10/2023
Date:
Date: 1/12/2023
Prior 12-Month Enforcement History
Report Period: November 2022
Limit Violation
Sample Location:
Outfall 001 - Effluent
Violation Report
Violation
Date Period
Parameter
Type NOD NOV CPA
11/30/2021 11-2021
Dichlorobromomethane
Monthly Average NOV-2022-LV-0050
(bromodichloromethane)
Exceeded
5/31/2022 5-2022
Dichlorobromomethane
Monthly Average NOV-2022-LV-0470
(bromodichloromethane)
Exceeded