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HomeMy WebLinkAboutNC0020800_Compliance Evaluation Inspection_20200716 (2)DocuSign Envelope ID: C9A5B5E4-8B37-4F24-9C25-9EB88934F24C 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 2 u 3 I NCO020800 111 121 20/06/23 I17 18 L� ] 19 I s I 201 211IIIII 111111III II III III1 I I IIIII IIIIIIIII II r6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 67 I 72 I n, I 73 � I 74 79 I I I I I I I80 70 I 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 permit Number) 09:30AM 20/06/23 19/09/01 Andrews WWTP Reagan Ave Exit Time/Date Permit Expiration Date Andrews NC 28901 12:OOPM 20/06/23 23/08/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Timothy Brian Wood/ORC/828-557-8630/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Michael Ladd,PO Box 1210 Andrews NC 289011210//828-321-3113/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Operations & Maintenar 0 Sludge Handling Dispo: 0 Facility Site Review 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 Lauren E Armeni DWR/ARO WQ/828-296-4500/ Timothy H Heim DWR/ARO WQ/828-296-4665/ 7/16/2020 L1i",'d6� tUu Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date 7/16/2020 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# DocuSign Envelope ID: C9A5B5E4-8B37-4F24-9C25-9EB88934F24C NPDES yr/mo/day Inspection Type (Cont.) NCO020800 I11 12I 20/06/23 117 18 I c Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Tim Heim and Lauren Armeni of the Asheville Regional Office performed a routine Compliance Evaluation Inspection of the facility on June 23, 2020. Tim Wood (ORC) assisted with the inspection. The facility was generally well maintained and operated at the time of the inspection and appeared to be in compliance with NPDES Permit NC0020800. The following item was noted during the inspection: Complete replacement of the #2 Influent Pump and associated controls and float switches as soon as possible. Page# DocuSign Envelope ID: C9A5B5E4-8B37-4F24-9C25-9EB88934F24C Permit: NCO020800 Owner -Facility: Andrews WWTP Inspection Date: 06/23/2020 Inspection Type: Compliance Evaluation Operations & Maintenance Is the plant generally clean with acceptable housekeeping? Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: Process controls are analyzed by Earth Environmental. Pump Station - Influent Is the pump wet well free of bypass lines or structures? Is the wet well free of excessive grease? Are all pumps present? Are all pumps operable? Are float controls operable? Is SCADA telemetry available and operational? Is audible and visual alarm available and operational? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ■ ❑ ❑ ❑ Comment: The ORC reports that the #2 influent pump, and associated controls and float switch are non -operable and in the process of being replaced. This is a critical component of facility infrastructure for redundancy and repairs should be complete as soon as possible. Bar Screens Yes No NA NE Type of bar screen a.Manual b.Mechanical Are the bars adequately screening debris? 0 ❑ ❑ ❑ Is the screen free of excessive debris? 0 ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Trickling Filter Yes No NA NE Is the filter free of ponding? 0 ❑ ❑ ❑ Is the filter free of leaks at the center column of filter's distribution arms? 0 ❑ ❑ ❑ Is the distribution of flow even from the distribution arms? 0 ❑ ❑ ❑ Is the filter free of uneven or discolored growth? 0 ❑ ❑ ❑ Is the filter free of sloughing of excessive growth? 0 ❑ ❑ ❑ Are the filter's distribution arms orifices free of clogging? 0 ❑ ❑ ❑ Page# 3 DocuSign Envelope ID: C9A5B5E4-8B37-4F24-9C25-9EB88934F24C Permit: NCO020800 Owner -Facility: Andrews WWTP Inspection Date: 06/23/2020 Inspection Type: Compliance Evaluation Trickling Filter Is the filter free of excessive filter flies, worms or snails? Comment: Secondary Clarifier Is the clarifier free of black and odorous wastewater? Is the site free of excessive buildup of solids in center well of circular clarifier? Are weirs level? Is the site free of weir blockage? Is the site free of evidence of short-circuiting? Is scum removal adequate? Is the site free of excessive floating sludge? Is the drive unit operational? Is the return rate acceptable (low turbulence)? Is the overflow clear of excessive solids/pin floc? Is the sludge blanket level acceptable? (Approximately'/ of the sidewall depth) Yes No NA NE ■ ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: The clarifier weir seals show evidence of minor leakage in some locations. Maintain the integrity of the weir seals to avoid leaking under the weir. Disinfection -Gas Are cylinders secured adequately? Are cylinders protected from direct sunlight? Is there adequate reserve supply of disinfectant? Is the level of chlorine residual acceptable? Is the contact chamber free of growth, or sludge buildup? Is there chlorine residual prior to de -chlorination? Does the Stationary Source have more than 2500 Ibs of Chlorine (CAS No. 7782-50-5)? If yes, then is there a Risk Management Plan on site? If yes, then what is the EPA twelve digit ID Number? (1000- - ) If yes, then when was the RMP last updated? IYTs►r•7►/_9►1:4 • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: The ORC reports that immediately following the field component of the inspection, the effluent flow meter was calibrated and the dechlorination system was upgrade to flow proportional feed. Aerobic Digester Is the capacity adequate? Yes No NA NE ■ ❑ ❑ ❑ Page# 4 DocuSign Envelope ID: C9A5B5E4-8B37-4F24-9C25-9EB88934F24C Permit: NC0020800 Owner -Facility: Andrews WWTP Inspection Date: 06/23/2020 Inspection Type: Compliance Evaluation Aerobic Digester Yes No NA NE Is the mixing adequate? 0 ❑ ❑ ❑ Is the site free of excessive foaming in the tank? 0 ❑ ❑ ❑ # Is the odor acceptable? 0 ❑ ❑ ❑ # Is tankage available for properly waste sludge? 0 ❑ ❑ ❑ Comment: Page# 5