NC0088226_Fact Sheet_20210525

DMR REVIEW RECORD
Mooresville Regional Office
Facility Name: Wells Fargo Tryon St groundwater remediation
Report Period: April 2021
Permit Number: NC0088226
Prior Assessments: 1 Enforcement Factor: 1.00
Outfall # Outfall Description
Waterbody Name
Waterbody
Classification
001 remediated groundwater to UT L Sugar Crk
Little Sugar Creek
Monthly Average Limit Violations
Sample Location: Outfall 001- Effluent
Violation
Date Parameter
Unit of Limit Calculated % Over
Frequency Measure Value Value Limit
Action
4/30/2021 Copper, Total (as Cu) Monthly
ug/I 7.88 67.20 752.8
Daily Limit Violations
Sample Location: Outfall 001- Effluent
Violation Unit of Limit Calculated % Over
Date Parameter
Frequency Measure Value Value Limit
Action
4/13/2021 Copper, Total (as Cu)
Monthly ug/I 10.47 67.20 541.8
Other Violations/Staff Remarks: Permittee believes the actual RO system gas become fouled due to a prolonged bad RO
filter issue. The permittee is currently working on cleaning and repairing the RO system. However, the system
continues to fail for elevated weekly and monthly Copper. The system continues to fail Chronic Toxicity due to elevated
metals.
Sampling for May 2021 is expected to show increased metals levels.
Supervisor Remarks:
NOI
Completed by:
Assistant Regional
Supervisor Sign -off:
Regional
[t41414V
DocuSigned by:
H P444.
IFR A2na4A
Date:
Date:
5.25.21

Supervisor Sign -off: Date:

Prior 12-Month Enforcement History
Permit Number: NC0088226 Report Period: April 2021
Limit Violation
Sample Location: Outfall 001 - Effluent
Violation Report Violation
Date Period Parameter Type
NOD
NOV CPA
1/12/2021 1-2021 Copper, Total (as Cu)
Daily Maximum
Exceeded
NOV-2021-LV-0137
1/31/2021 1-2021 Copper, Total (as Cu)
Monthly Average
Exceeded
NOV-2021-LV-0137
1/31/2021 1-2021 Lead, Total (as Pb)
Monthly Average
Exceeded
NOV-2021-LV-0137
2/9/2021 2-2021 Copper, Total (as Cu)
Daily Maximum
Exceeded
NOV-2021-LV-0234
2/28/2021 2-2021 Copper, Total (as Cu)
Monthly Average
Exceeded
NOV-2021-LV-0234
2/28/2021 2-2021 Lead, Total (as Pb)
Monthly Average
Exceeded
NOV-2021-LV-0234
3/2/2021 3-2021 Copper, Total (as Cu)
Daily Maximum
Exceeded
NOV-2021-LV-0332
3/31/2021 3-2021 Copper, Total (as Cu)
Monthly Average
Exceeded
NOV-2021-LV-0332
3/31/2021 3-2021 Lead, Total (as Pb)
Monthly Average
Exceeded
NOV-2021-LV-0332
Other Violation
Violation Report Violation
Date Period Parameter Type
NOD
NOV CPA
1/12/2021 1-2021
Aquatic toxicity
permit limit violation
NOV-2021-TX-0010
12/8/2020 12-2020
Aquatic toxicity
permit limit violation
NOV-2021-TX-0005 TX-2021-0002
2/9/2021 2-2021
Aquatic toxicity
permit limit violation
NOV-2021-TX-0012
3/2/2021 3-2021
Aquatic toxicity
permit limit violation
NOV-2021-TX-0020