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Home My WebLink AboutNC0004979_Compliance Evaluation Inspection_20180322 (37)United States Environmental Protection Agency Form Approved. EPA Washington, D.0 20,160 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 [N j 2 15 1 3 I NC0004979 I'll 12 18/03/22 17 16 I r. 1 19 1 C I 20 I I 211 I I I I I I I I I 11 I I I I I I I I I I I I I I I I I I I1=1I I I I II I U I 1166 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA -------------Reserved------------ ] 72 1 ., 1 731 1t 174 75I II I I I I I80 67 1.0 701, I 711.E itL J l LJ Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry Time/Dale Permit Effective Date POTW name and NPDES permit Number) t0:00AM 18/03/22 14/03/01 Plant Allen Steam Station 253 Plant Allen Rd Exit-rine/Dale Permit Expiration Date Belmont NC 28012 12 55P 18/03/22 15/05/31 Names) of Onsite Representative(s)/Titles(s)/Phone and Fax Numbers) Other Facility Data Michael R Gantl/ORCf704-829-2587/ Name, Address of Responsible Officialfritle/Phone and Fax Number Contacted Allen Stowe,526 S Chruch St Charlotte NO 282011002//704-382-4309/7043829840 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program Sludge Handling Disposal Facility Site Review EffluenUReceiving Waters Laboratory Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Names) and Signatures) of Inspectors) Agency/Office/Phone and Fax Numbers Dale Brandy Costner/ MRO WQ//704-235-2185/ Ori A Tuvia _ MRO WQ/1704-883-1899/ 6 Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date W. Corey Basinger MRO WQ//704-235-2194/ EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. EDocuSigned by: ��nh i�.�1 3/ 2 6/ 2018 A14CC681AF27425... Page# NPDES yr/mo/day Inspection Type NC0004979 I1 12 18/03/22 17 18 I C Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NC0004979 Owner -Facility: Plant Allen Steam Station Inspection Date: 03/22/2018 Inspection Type: Compliance Evaluation Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new 0 ❑ ❑ ❑ application? 0 ❑ ❑ ❑ Is the facility as described in the permit? 0 ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ 0 ❑ ❑ Is access to the plant site restricted to the general public? M ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: The Division received the permit renewal package on 10/15/2014. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ ❑ ❑ Is all required information readily available, complete and current? M ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? 0 ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? M ❑ ❑ ❑ Is the chain -of -custody complete? 0 ❑ ❑ ❑ Dates, times and location of sampling period of June 2017 through Jan 2018. Name of individual performing the sampling Results of analysis and calibration Dates of analysis Name of person performing analyses Transported COCs Are MRS complete: do they include all permit parameters? 0 ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ 0 ❑ (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? 0 ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? 0 ❑ ❑ ❑ Is the backup operator certified at one grade less or greater than the facility classification? M ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? M ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? ❑ ❑ M ❑ Comment: MRS, Chain of custody's (COC) ORC logs and Calibration logs were reviewed for the period of June 2017 through Jan 2018. Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? M ❑ ❑ ❑ Page# 3 Permit: NC0004979 Owner -Facility: Plant Allen Steam Station Inspection Dale: 03/22/2018 Inspection Type: Compliance Evaluation Yes No NA NE Is composite sampling Flow proportional? ❑ ❑ Laboratory Yes No NA NE Are all other parameters(excluding field parameters) performed by a certified lab? 0 ❑ ❑ ❑ # Is the facility using a contract lab? 0 ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees M ❑ ❑ ❑ Celsius)? ❑ ❑ 0 ❑ Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? ❑ ❑ 0 ❑ Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? ❑ ❑ 0 ❑ Comment: The facility is certified to perform on-site field analyses (PH and temperature) under laboratory certification #5134. The remaining permit -required effluent analyses are performed by Duke Energy's Environmental Services Laboratory (Certification #248) and the contracted services of Prism Labs (low level mercury) and ETS. Inc. (toxicity) Effluent Sampling Yes No NA NE Is composite sampling Flow proportional? ❑ ❑ 0 ❑ Is sample collected below all treatment units? M ❑ ❑ ❑ Is proper volume collected? 0 ❑ ❑ ❑ Is the tubing clean? ❑ ❑ 0 ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees ❑ ❑ 0 ❑ Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: The subject permit requires effluent grab samples 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 ❑ ❑ N ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: The facility was not generating electricity at the time of the inspection. The ash basin and FGD wastewater treatment system (WWTS) appeared to be properly operated and well maintained. The FGD WWTS is connected to a computer monitoring system to assist the on-site staff in the operation of the treatment units/processes. Equalization Basins Yes No NA NE Is the basin aerated? ❑ ❑ 0 ❑ Is the basin free of bypass lines or structures to the natural environment? 0 ❑ ❑ ❑ Is the basin free of excessive grease? 0 ❑ ❑ ❑ Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Page# 4 Permit: NC0004979 Inspection Date: 03/22/2018 Owner -Facility: Plant Allen Steam Station Inspection Type: Compliance Evaluation Is containment adequate? N ❑ Equalization Basins Yes No NA NE Are float controls operable? 0 ❑ ❑ ❑ Are audible and visual alarms operable? ❑ ❑ 0 ❑ # Is basin size/volume adequate? 0 ❑ ❑ ❑ Comment: Chemical Feed Yes No NA NE Is containment adequate? N ❑ ❑ ❑ Is storage adequate? 0 ❑ ❑ ❑ Are backup pumps available? 0 ❑ ❑ ❑ Is the site free of excessive leaking? M ❑ ❑ ❑ Comment: Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? M ❑ ❑ ❑ Is the site free of excessive buildup of solids in center well of circular clarifier? 0 ❑ ❑ ❑ Are weirs level? 0 ❑ ❑ ❑ Is the site free of weir blockage? 0 ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑ Is scum removal adequate? 0 ❑ ❑ ❑ Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Is the drive unit operational? 0 ❑ ❑ ❑ Is the return rate acceptable (low turbulence)? M ❑ ❑ ❑ Is the overflow clear of excessive solids/pin Floc? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately Y. of the sidewall depth) 0 ❑ ❑ ❑ Comment: Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? 0 ❑ ❑ ❑ Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ N ❑ Comment: The FGD WWTS effluent is measured by an in-line flow meter. The flow meter is calibrated/verified annually and was calibrated/verified on 3/21/2018. Page# 5 Permit: NC0004979 Inspection Date: 03/22/2018 Solids Handling Equipment Is the equipment operational? Is the chemical feed equipment operational? Is storage adequate? Owner -Facility: Plant Allen Steam Station Inspection Type: Compliance Evaluation Is the site free of high level of solids in filtrate from filter presses or vacuum filters? Is the site free of sludge buildup on belts and/or rollers of filter press? Is the site free of excessive moisture in belt filter press sludge cake? The facility has an approved sludge management plan? Yes No NA NE M ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ Comment: The FGD WWTS is equipped with three operational filter presses. The dewatered sludge is transported to the on-site landfill equipped with a liner and leachate collection system. The dry ash and sluiced ash (removed from the ash basin treatment system) are also disposed into the on-site landfill. The gypsum material from the FGD system is stored. Flow Measurement- Effluent Yes No NA NE # Is flow meter used for reporting? ❑ ❑ 0 ❑ Is Flow meter calibrated annually? ❑ ❑ 0 ❑ Is the Flow meter operational? ❑ ❑ M ❑ (If units are separated) Does the chart recorder match the Flow meter? ❑ ❑ 0 ❑ Comment: Flow measurements for Outfalls 001. 003. and 004 are based on pump curves/logs. Outfall 002 discharges are measured by a staffguage/ultrasonic level indicator and weir. The ORC verifies the Outfall 002 Flow measurement system annually. 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? 0 ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ 0 ❑ Comment: The effluents from Outfalls 002 004 and 005 were clear with no floatable solids or foam. Page# 6