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Home My WebLink AboutNC0020290_Compliance Evaluation Inspection_20191219 (2)DocuSign Envelope ID: D330A3E6-A3C1-4F68-96B6-71OF969F411D VATE ROY COOPER MICHAEL S. REGAN `. u,•� . ql LINDA CULPEPPER NORTH CARODNA (zrer+or Environmental QUO" December 19, 2019 Theresa Coletta Town of Burnsville PO Box 97 Burnsville, NC 28714 SUBJECT: Compliance Inspection Report Burnsville WWTP NPDES WW Permit No. NCO020290 Yancey County Dear Permittee: The North Carolina Division of Water Resources conducted an inspection of the Burnsville WWTP on 12/16/2019. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0020290. The findings and comments noted during this inspection are provided in the enclosed copy of the inspection report entitled "Compliance Inspection Report". The following were noted during the inspection: • Complete repair of the clarifier drive. • Complete repair of the grit removal system. • Begin periodic testing of backup generator under load. • Plan and execute diffuser rehabilitation project in both basins. • Optimize auger timing to increase removal of plastic debris. • Consider distributing educational material on flushable wipes to utility customers. (Example attached) 1, NortbCaro§nsDepart nwRtafEuviroamentalQvali[y I DiuisioaofMderResources - Ashevdle Regonal9ff:ce I 2090 V.S. 70ft3 sy I Sw moos, North Caoli� 23773 323--361500 DocuSign Envelope ID: D330ME6-AK1-4F68-96B6-710F969F411D 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. Sincerely, ED Signed by: 00u 01105AKA418... Tim Heim, P.E., Environmental Engineer Water Quality Regional Operations Section Asheville Regional Office Division of Water Resources, NCDEQ ATTACHMENTS Ec: Dylan Lundy, Jadd Brewer WQS-ARO Server LF G:\WR\WQ\Yancey\Wastewater\Municipal\Burnsville WWTP 20290\Inspections\2019 CEI\20191219_NC0020290_CEI.Docx NarthCarolinaDepartmentofEnvironmerttalQuad rty I OiAsionofWater Resources Ashevdle Regonal Office 1 2090 V.S. 70 ftf ay I Sw nanos. North Carolina 23773 w.:.,. 32S—wj6A500 DocuSign Envelope ID: D330A3E6-A3C1-41F68-96136-710F969F411D 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 15 I 3 I NCO020290 111 12 I 19/12/16 I17 18 I S J 19 L G] 201 I 211111 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 f6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 671 70 I I 71 I I 72 I r I 73 I I 174 751 I I I I I I I80 u ty I I i 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 oermit Number) 09:OOAM 19/12/16 17/11/01 Burnsville WWTP 812 Pine Swamp Rd Exit Time/Date Permit Expiration Date Burnsville INC 28714 01:00PM 19/12/16 22/09/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Jadd Wesley Brewer/ORC/828-898-6277/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Theresa Coletta,PO Box 97 Burnsville NC 28714/Mayor/828-682-2420/8286827757 Yes Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program 0 Facility Site Review Effluent/Receiving Waters 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 Timothy H Heim DWR/ARO WQ/828-296-4665/ 12/19/2019 ChOocusig-d by: I uMbflu� Nowt 082B1105A3CA418... Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date (� , FD.-S,g-d by: 12 / 19/ 2 019 �)"— EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# DocuSign Envelope ID: D330A3E6-A3C1-4F68-96B6-710F969F411D NPDES yr/mo/day Inspection Type (Cont.) NCO020290 I11 121 19/12/16 117 18 ICI Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Tim Heim of the Asheville Regional Office performed a routine Compliance Evaluation Inspection of the facility on December 16, 2019. Jadd Brewer (ORC), Dylan Lundy (Burnsville Public Works), Josh Cagle and Chad Prisk were present and assisted with the inspection. The facility appeared well maintained and operated at the time of the inspection, with some planned repairs and maintenance items scheduled. The following items were noted during the inspection: Complete repair of the clarifier drive. Complete repair of the grit removal system. Begin periodic testing of backup generator under load. Plan and execute diffuser rehabilitation project in both basins. Optimize auger timing to increase removal of plastic debris. Consider distributing educational material on flushable wipes to utility customers. Page# DocuSign Envelope ID: D330A3E6-A3C1-41F68-96136-710F969F411D Permit: NCO020290 Owner - Facility: Burnsville WWTP Inspection Date: 12/16/2019 Inspection Type: Compliance Evaluation 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: BOD, DO, Temp, PH, MLSS 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? 0 ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ 0 ❑ ❑ Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: 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? E ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Grit removal system was not being operated at the time of the inspection, ORC stated that repairs are expected to be completed within approximately one week. Aeration Basins Mode of operation Type of aeration system 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? Yes No NA NE Ext. Air Diffused ❑ ■ ❑ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ Page# 3 DocuSign Envelope ID: D330A3E6-A3C141F68-96136-710F969F411D Permit: NCO020290 Owner - Facility: Burnsville WWTP Inspection Date: 12/16/2019 Inspection Type: Compliance Evaluation Aeration Basins Yes No NA NE Is the DO level acceptable?(1.0 to 3.0 mg/1) 0 ❑ ❑ ❑ Comment: Some dead spots were observed on the surface while the blowers were operating. It is recommended that rehabilitation of the diffusers on both aeration basins be given priority. ORC states the DO level is maintained around 2 ma/L. 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 ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Comment: One of the clarifier drives is only partially operating and requires manual assistance. The ORC states that the pear drive required for repair is being shipped and repairs should be completed by the beginning of 2020. ORC states the solids blanket is being maintained at a minimum level (1-2') in order to reduce the force on the drive arm. Disinfection -Liquid Is there adequate reserve supply of disinfectant? (Sodium Hypochlorite) Is pump feed system operational? Is bulk storage tank containment area adequate? (free of leaks/open drains) 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? Comment: De -chlorination Type of system ? Is the feed ratio proportional to chlorine amount (1 to 1)? Is storage appropriate for cylinders? ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ Yes No NA NE Liquid ❑ ❑ ❑ ❑ ❑ ■ ❑ Page# 4 DocuSign Envelope ID: D330A3E6-A3C141F68-96136-710F969F411D Permit: NC0020290 Owner - Facility: Burnsville WWTP Inspection Date: 12/16/2019 Inspection Type: Compliance Evaluation De -chlorination Yes No NA NE # Is de -chlorination substance stored away from chlorine containers? ❑ ❑ 0 ❑ Comment: Are the tablets the proper size and type? ❑ ❑ 0 ❑ Are tablet de -chlorinators operational? ❑ ❑ 0 ❑ Number of tubes in use? Comment: Standby Power Yes No NA NE Is automatically activated standby power available? 0 ❑ ❑ ❑ Is the generator tested by interrupting primary power source? ❑ ❑ ❑ Is the generator tested under load? ❑ ❑ ❑ Was generator tested & operational during the inspection? ❑ 0 ❑ ❑ Do the generator(s) have adequate capacity to operate the entire wastewater site? 0 ❑ ❑ ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power? 0 ❑ ❑ ❑ Is the generator fuel level monitored? M ❑ ❑ ❑ Comment: It is recommended that the generator be tested under load several times a year, in addition to the current regular exercise schedule. Page# 5 Measures You Can Take to Prevent Sewer Backups NEVER FLUSH these items down the toilet: Tampons and other feminine hygiene products Baby Wipmayllet Mu"in Cleaning Pads Dental Floss 041P /Cotlon Balls Diapers Paper TdwelsRissues Bair Clgarehe bulls Condoms lour Cher llus�ble C ...L eic When Flushed down the toilet, these items bind together and may cause sewage backups in homes, manhole overflows and failures at sewage pumping stations, costing thousands of dollars to repair. Only human waste and lot let papershould be flushed Even pM1 agree products shop 95 wines and may dam to be fl,sshable they am not Everyone can be a potential comdbutor to sewer problems and a potential victim of those problems.