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Home My WebLink AboutNC0086665_CEI_20230414ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Duke Energy Carolinas, LLC Attn: Jessica Bednarcik 240 Ernest Drive Reidsville, NC 27320 NORTH CAROLINA Environmental Quality April 14, 2023 SUBJECT: COMPLIANCE EVALUATION INSPECTION Permit Number: NCO086665 Rockingham Combustion Turbine Station Rockingham County Dear Ms. Bednarcik: Seren Homer of the North Carolina Division of Water Resources (DWR) Winston-Salem Regional Office (WSRO) conducted a compliance evaluation inspection (CEI) of the Rockingham Combustion Turbine Station on March 21, 2023. William Milam, the Backup Operator in Responsible Charge (BORC), was present for the inspection. Inspection findings are detailed in the attached water compliance inspection report. Please be aware that DWR may take enforcement action against any permittee who fails to comply with any requirement of their permit. Pursuant to NC General Statute (NCGS) 143-215.6A, a civil penalty of not more than twenty-five thousand dollars ($25,000.00) may be assessed against any person who violates or fails to act in accordance with the terms, conditions, or requirements of any permit issued pursuant to G.S. 143-215.1. If you have any questions or concerns, please contact Seren Homer by phone at 336-776-9698 or via email at seren.homer@ncdenr.gov. Thank you in advance for your time and attention to this matter. Sincerely, DocuSiTG gned by: %w. l . cJn.ld tr -4'ME225CMEA... Lon T. Snider, Regional Supervisor Water Quality Regional Operations Section Winston-Salem Regional Office Division of Water Resources, NCDEQ Attachments: 1. Water Compliance Inspection Report D �� North Carolina Department of Environmental Quality I Division of Water Resources Winston-Salem Regional Office 1 450 W. Hanes Mill Rd, Suite 300 I Winston-Salem, North Carolina 27105 Moan caaouNn 336.776.9800 oep.m.m or em�.�� o�.im, United States Environmental Protection Agency Form Approved. EPA Washington, D.C. 20460 OMB No. 2040-0057 Water Compliance Inspection Report Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type 1 IN 1 2 u 3 I NCO086665 111 121 23/03/21 I17 18 LC] I 19 I s I 20L] 21111I I I I I I I II I I I I I I I I I I I I I I I I I I I I I I I II I I I I I r6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 67 I 72 I ni I 71 I 74 79 I I I I I I I80 70I I 71 I LL -1 I I LJ Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry Time/Date Permit Effective Date POTW name and NPDES Dermit Number) 01:OOPM 23/03/21 22/09/01 Rockingham County Combustion Turbine Facility 240 Ernest Dr Exit Time/Date Permit Expiration Date Reidsville NC 27320 03:OOPM 23/03/21 27/04/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Michael Brent Davis/ORC/336-637-1364/ William Edward MilamH336-597-6284 / William Edward Milam/ORC/336-597-6284/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Scott G Trombley, /Plant Manager// No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran 0 Facility Site Review Effluent/Receiving Wate Laboratory Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date Docusigned by: DWR/WSRO WQ/336-776 9691/ Seren HomerGfory DWR/WSRO WQ/336-776-9698/ 4/14/2023 Patricia LoweryE�51MAF3FBF834CF... Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date Docusigned by:4/14/2023 FL- -T. 5,,d r EPA Form 18WSTI 99'H=94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCO086665 I11 12I 23/03/21 117 18 i c i (Cont.) Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) I�` The current permit became effective on September 1, 2022 and expires at midnight on April 30, 2027. A copy of the current permit was available for review during the inspection. Permitted components include an oil -water separator, polishing filter, and discharge line with hand -operated valve (normally closed). Special conditions listed in the permit include: (1) The Permittee shall discharge no floating solids or foam visible other than in trace amounts; (2) The Permittee shall discharge no tank solids, tank bottom water, or the tank rag layer; and (3) Following hydrostatic testing the Permittee shall discharge no tank (or pipe) contents unless discharge analyses show Benzene concentration below 1.19 ug/L and Toluene concentration below 11 ug/L. 2. RECORDS Discharge Monitoring Reports (DMRs) and other records are maintained as required by the permit. Copies of the DMRs, operator visitation logs, lab results, and Chain -of -Custody forms were available for review during the inspection. Sampling for all required parameters is conducted by Pace Analytical Services (Certification #s 633 and 5342). The July 2022 and January 2023 DMRs were reviewed during the inspection and found to be complete and consistent with the lab records. FLOW MEASUREMENT - EFFLUENT According to the ORC, flow measurement data is recorded in an online system called "Pi", and the data is extracted from the system on a monthly basis. The last meter calibration was conducted on September 28, 2022. 4. EFFLUENT PIPE The effluent discharges from the effluent pipe via a drainage swale to a retention pond, which discharges into an unnamed tributary to Little Jacob's Creek in the Roanoke River Basin. Access to the outfall is well maintained. 5. OPERATION AND MAINTENANCE The plant appeared well -maintained and properly functional. Page# Permit: NCO086665 Owner -Facility: Rockingham County Combustion Turbine Inspection Date: 03/21/2023 Inspection Type: Compliance Evaluation Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ ■ ❑ application? Is the facility as described in the permit? ■ ❑ ❑ ❑ # Are there any special conditions for the permit? ■ ❑ ❑ ❑ Is access to the plant site restricted to the general public? ■ ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? ■ ❑ ❑ ❑ Comment: The current permit became effective on September 1, 2022 and expires at midniqht on April 30, 2027. A copy of the current permit was available for review during the inspection. Permitted components include an oil -water separator, polishing filter, and discharge line with hand -operated valve (normally closed). Special conditions listed in the permit include: (1) The Permittee shall discharge no floating solids or foam visible other than in trace amounts; (2) The Permittee shall discharge no tank solids, tank bottom water, or the tank rag laver; and (3) Following hydrostatic testing the Permittee shall discharge no tank (or pipe) contents unless discharge analyses show Benzene concentration below 1.19 ug/L and Toluene concentration below 11 ug/L. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? ■ ❑ ❑ ❑ Is all required information readily available, complete and current? ■ ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? ■ ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? ■ ❑ ❑ ❑ Is the chain -of -custody complete? ■ ❑ ❑ ❑ Dates, times and location of sampling ■ Name of individual performing the sampling ■ Results of analysis and calibration ■ Dates of analysis ■ Name of person performing analyses ■ Transported COCs ■ Are DMRs complete: do they include all permit parameters? ■ ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ ■ ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified ❑ ❑ ■ ❑ operator on each shift? Is the ORC visitation log available and current? ■ ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? ■ ❑ ❑ ❑ Is the backup operator certified at one grade less or greater than the facility ■ ❑ ❑ ❑ classification? Is a copy of the current NPDES permit available on site? ■ ❑ ❑ ❑ Page# 3 Permit: NCO086665 Owner -Facility: Rockingham County Combustion Turbine Inspection Date: 03/21/2023 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE Facility has copy of previous year's Annual Report on file for review? ❑ ❑ 0 ❑ Comment: Discharge Monitoring Reports (DMRs) and other records are maintained as required by the permit. Copies of the DMRs, operator visitation logs, lab results, and Chain -of -Custody forms were available for review during the inspection. Sampling for all required parameters is conducted by Pace Analytical Services (Certification #s 633 and 5342). The July 2022 and January 2023 DMRs were reviewed during the inspection and found to be complete and consistent with the lab records. Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? 0 ❑ ❑ ❑ Is flow meter calibrated annually? M ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ 0 ❑ Comment: Accordinq to the ORC, flow measurement data is recorded in an online system called "Pi", and the data is extracted from the system on a monthly basis. The last meter calibration was conducted September 28, 2022. Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? 0 ❑ ❑ ❑ Are the receiving water free of foam other than trace amounts and other debris? ■ ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ ■ ❑ Comment: The effluent discharges from the effluent pipe via a drainaqe swale to a retention pond which discharges into an unnamed tributary to Little Jacob's Creek in the Roanoke River Basin. Access to the outfall is well maintained. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: The plant appeared well -maintained and properly functional. Page# 4