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Home My WebLink AboutNC0043125_Compliance Evaluation Inspection_20211122DocuSign Envelope ID: FABEC846-1C2D-46B9-9631-32FB6F303F86 ROY COOPER Governor ELIZABETH S. BISER Secretary S. DANIEL SMITH DirectOr NORTH CAROLENA Environmental Qualify SENT VIA ELECTRONIC MAIL ONLY: NO HARD COPY WILL BE MAILED. November 22, 2021 Dawn Turner, Patterson School Foundation Inc Patterson School WWTP E-mail: business@psfinc.org SUBJECT: Compliance Inspection Report Patterson School NPDES WW Permit No. NC0043125 Caldwell County Dear Permittee: The North Carolina Division of Water Resources conducted an inspection of the Patterson School on 11/17/2021. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0043125. The findings and comments noted during this inspection are provided in the enclosed copy of the inspection report entitled "Compliance Inspection Report". There were no significant issues or findings noted during the inspection and therefore, a response to this inspection report is not required. If you should have any questions, please do not hesitate to contact Timothy Heim with the Water Quality Regional Operations Section in the Asheville Regional Office at 828-296-4500 or via email at tim.heim@ncdenr.gov. ATTACHMENTS Ec: LF Josh Greene, ORC Sincerely, r—DocuSigned by: "—E397192DABFB4FF... Daniel Boss, Asst. Regional Supervisor Water Quality Regional Operations Section Asheville Regional Office Division of Water Resources, NCDEQ D_EC� North Carolina Department of Environmental Quelfy I olvtslon of Water Resources Asheville Regional Office 12090 O.S. Highway 70 I Swannanoa, Noah Carolina 28778 828.290 4500 DocuSign Envelope ID: FABEC846-1C2D-46B9-9631-32FB6F303F86 United States Environmental Protection Agency EPA Washington, D.C. 20460 Water Compliance Inspection Report Form Approved. OMB No. 2040-0057 Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code NPDES yr/mo/day Inspection 1 IN I 2 IL I 3 I NC0043125 111 121 21/11/17 117 Type 1810I IIIIIIIIIII Inspector Fac Type 19I S I 2011 21IIIIII IIIIIIIIIIIIIIIIII I IIIIII P6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 671 I 761 I 711 172 I N I 73I 1 74 71 I I J I I I I I I 180 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Number) Patterson School 4646 Patterson School Dr Lenoir NC 28645 Entry Time/Date 11:OOAM 21/11/17 Permit Effective Date 19/10/01 Exit Time/Date 12:30PM 21/11/17 Permit Expiration Date 23/10/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Joshua Steven Greene/ORC/828-396-4444/ Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted W J Hogan,PO Box 500 Patterson NC 286610500//828-728-3189/8287545065 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Operations & Maintenar Records/Reports Facility Site Review Effluent/Receiving Wate 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 Timothy H Heim DWR/ARO WQ/828-296-4665/ 11/22/2021 —DocuS,gnea by: titmegui him - 002B1105A3CA418.. Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date DocuSigned by: 11/22/2021 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# 1 DocuSign Envelope ID: FABEC846-1C2D-46B9-9631-32FB6F303F86 31 NPDES yr/mo/day NC0043125 111 121 21 /11 /17 I17 Inspection Type 18LI (Cont.) 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Tim Heim of the Asheville Regional Office performed a Compliance Inspection of the Facility on November 17, 2021. Josh Greene (ORC) assisted with the inspection. The facility is operating again after it did not receive influent for a significant period of time during the COVID pandemic, and appeared well maintained and operated at the time of the inspection, and in compliance with Permit NC0043125. The following items were noted at the time of the inspection: Continue to maintain the grounds surrounding the WWTP. Consider replacing the solid plates covering the WWPT with metal grating to allow easier visualization of the components. Improve operator access to the manual bar screen to allow easier regular cleaning and maintenance. Clean the clarifier troughs to prevent the release of accumulated solids into the effluent. Page# 2 DocuSign Envelope ID: FABEC846-1C2D-46B9-9631-32FB6F303F86 Permit: NC0043125 Inspection Date: 11/17/2021 Owner - Facility: Patterson School Inspection Type: Compliance Evaluation Operations & Maintenance Yes No NA NE 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: Continue to maintain the grounds surrounding the WWTP. 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: Bar Screens Yes No NA NE Type of bar screen a.Manual • b.Mechanical ❑ Are the bars adequately screening debris? • ❑ ❑ ❑ Is the screen free of excessive debris? ❑ • ❑ ❑ Is disposal of screening in compliance? • ❑ ❑ ❑ Is the unit in good condition? • ❑ ❑ ❑ Comment: Improve operator access to the manual bar screen to allow easier regular cleaning and maintenance. Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Diffused Is the basin free of dead spots? • ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ • ❑ Are the diffusers operational? • ❑ ❑ ❑ Is the foam the proper color for the treatment process? • ❑ ❑ ❑ Does the foam cover less than 25% of the basin's surface? • ❑ ❑ ❑ Is the DO level acceptable? ❑ ❑ ❑ • Page# 3 DocuSign Envelope ID: FABEC846-1C2D-46B9-9631-32FB6F303F86 Permit: NC0043125 Inspection Date: 11/17/2021 Owner - Facility: Patterson School Inspection Type: Compliance Evaluation Aeration Basins Is the DO level acceptable?(1.0 to 3.0 mg/I) Yes No NA NE Comment: Consider replacing the solid plates covering the WWPT with metal grating to allow easier visualization of the components. Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? • ❑ El El Is the site free of excessive buildup of solids in center well of circular clarifier? ❑ El • El Are weirs level? • ❑ ❑ ❑ Is the site free of weir blockage? • ❑ ❑ ❑ Is the site free of evidence of short-circuiting? • ❑ ❑ ❑ Is scum removal adequate? • El El El 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'/4 of the sidewall depth) • ❑ ❑ ❑ Comment: Clean the clarifier troughs to prevent the release of accumulated solids into the effluent. Page# 4