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HomeMy WebLinkAboutNC0046809_DMR Review Record 12-2020_20210401DMR REVIEW RECORD Winston-Salem Regional Office Facility Name: Cornerstone Conference and Resource Center WWTP Permit Number: NC0046809 Report Period: December 2020 Prior Assessments: 1 Enforcement Factor: 1.00 Waterbody Outfall # Outfall Description Waterbody Name Classification 001 Effluent to UT Benaja Creek Benaja Creek WS-V;NSW Daily Limit Violations Sample Location: Outfall 001 - Effluent Violation Unit of Limit Calculated % Over Date Parameter Frequency Measure Value Value Limit Action 12/8/2020 Chlorine, Total Residual 2 X week ug/I 28 33 17.9 No Action, BPJ Monitoring Frequency Violations Sample Location: Outfall 001 - Effluent Violation Unit of Date Parameter Frequency Measure Action 12/31/2020 Oil & Grease Monthly mg/I 12/31/2020 Surfactants (MBAS) Monthly mg/I Other Violations/Staff Remarks: In review of the Dec 2020 DMR, Robert White (ORC) stated on DMR: "Samples were not taken for Oil & Grease and MBAS". Therefore, no values were reported on DMR. Confirmed this is a monitoring frequency violation. No 12-month history concerning O&G/MBAS. However, permittee has four monitoring frequency violations concerning other parameters for 2020 (see next page). Proceed with NOV. Supervisor Remarks: Jenny — NOV Completed by: Tricia Lowery Date: 04/01/2021 Assistant Regional Supervisor Sign -off: Jenny Date: 4/13/2021 Regional Supervisor Sign -off: Date: Prior 12-Month Enforcement History Permit Number: NC0046809 Report Period: December 2020 Limit Violation Sample Location: Outfall 001 - Effluent Violation Report Date Period Parameter Violation Type NOD NOV CPA 10/6/2020 10-2020 Solids, Total Suspended - Concentration Daily Maximum Exceeded NOD-2021-LV-0041 3/17/2020 3-2020 BOD, 5-Day (20 Deg. C) - Concentration Daily Maximum Exceeded NOV-2020-LM-0039 LM-2021-0010 3/17/2020 3-2020 Solids, Total Suspended - Concentration Daily Maximum Exceeded NOV-2020-LM-0039 LM-2021-0010 3/24/2020 3-2020 BOD, 5-Day (20 Deg. C) - Concentration Daily Maximum Exceeded NOV-2020-LM-0039 LM-2021-0010 3/24/2020 3-2020 Solids, Total Suspended - Concentration Daily Maximum Exceeded NOV-2020-LM-0039 LM-2021-0010 3/31/2020 3-2020 BOD, 5-Day (20 Deg. C) - Concentration Monthly Average Exceeded NOV-2020-LM-0039 LM-2021-0010 3/31/2020 3-2020 Solids, Total Suspended - Concentration Monthly Average Exceeded NOV-2020-LM-0039 LM-2021-0010 Monitoring Violation Sample Location: Outfall 001 - Effluent Violation Report Date Period Parameter Violation Type NOD NOV CPA 2/29/2020 2-2020 Nitrogen, Ammonia Total (as Frequency Violation N) - Concentration NOV-2020-MV-0073 3/31/2020 3-2020 Nitrogen, Total - Concentration Frequency Violation NOV-2020-LM-0039 LM-2021-0010 3/31/2020 3-2020 Phosphorus, Total (as P) - Concentration Frequency Violation NOV-2020-LM-0039 LM-2021-0010 9/30/2020 9-2020 Nitrogen, Ammonia Total (as Frequency Violation N) - Concentration NOV-2021-MV-0001