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HomeMy WebLinkAboutNC0041866_Compliance Evaluation Inspection_20210304ROY COOPER Governor MICHAEL 5. REGAN Secretary S. DANIEL SMITH Director Robert K Draughn Surry County Schools PO Box 364 Dobson, NC 27017-0364 NORTH CAROLINA Environmental Qualiay March 04, 2021 SUBJECT: Compliance Inspection Report Mountain Park Elementary NPDES WW Permit No. NC0041866 Surry County Dear Permittee: The North Carolina Division of Water Resources conducted an inspection of the Mountain Park Elementary on 2/24/2021. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0041866. 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. ORC Larry Riggans demonstrated good maintenance and operations practices, all within the purview of the permit requirements. North Caro;i au Department of Euv.rournenta' Quality I Divisor of Water Resources WinstouSaiem Regans! Office 1450 West ffsaes Mill Road, Suite 300 I WiustouSECem. North Carob 27105 336-776-9500 If you should have any questions, please do not hesitate to contact Alex Lowe with the Water Quality Regional Operations Section in the Winston-Salem Regional Office at 336-776-9800 or via email at alex.lowe@ncdenr.gov. Sincerely, ,-0ocuSigned by: L-o1.. 1. <JMl1ft 145B49E225C94EA... Lon T. Snider, Regional Supervisor Water Quality Regional Operations Section Winston-Salem Regional Office Division of Water Resources, NCDEQ ATTACHMENTS Cc: WQS Winston-Salem Regional Office - Enforcement File NPDES Compliance/Enforcement Unit - Enforcement File Laserfiche — Digital Enforcement File North Csro;i au Department of Euv.rournental Quality I Divisor of Water Resources WinstouS81em Regans! Office 1450 West ffsaes Mill Road, Suite 300 I Wius-SECe111. North Carob 27105 336-776-9500 United States Environmental Protection Agency E PA 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 1 IN I 21I I Code NPDES yr/mo/day Inspection 2 LI 3 I NC0041866 111 121 21/02/24 I17 Type 1810I I I I I I Inspector Fac Type 19I S I 2011 I 1 1 1 I I I I II I I I I I I I I I I I I I I I I I I II I I I I I P6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 671 I 7° I I 711 172 I N I 73I 1 74 71 I I 1 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) Mountain Park Elementary 197 Mtn Park Rd State Road NC 28676 Entry Time/Date 08:50AM 21/02/24 Permit Effective Date 19/01/01 Exit Time/Date 09:50AM 21/02/24 Permit Expiration Date 23/12/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Larry Odell Riggans/ORC/336-386-8381/ Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Robert K Draughn,PO Box 364 Dobson NC 270170364/Director/336-386-8381/3363864279 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran 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 Alex Lowe DWR/WSRO WQ/336-776-9689/ Signature of Manaaement Q A Reviewer Agency/Office/Phone and Fax Numbers Date �DocuSigned by: L- A, 'T.Sti41cs- 3/4/21 145B49E225C94EA... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# 1 sI NPDES yr/mo/day NC0041866 111 121 21/02/24 117 Inspection Type 18 [j (Cont.) 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) On February 4th, Environmental Specialist Alex Lowe of the North Carolina Division of Water Resources conducted an inspection of Mountain Park Elementary School wastewater treatment system. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0041866. ORC Larry Riggans was present. ORC was unable to provide copy of permit or past reporting data at the site, as it was filed in the administrative building. Due to ongoing COVID-19 precautions, Lowe opted not to travel to the office, but instead requested that photocopies be sent for review. These copies were provided promptly the same morning. All records appear well organized and maintained. No signs of permit violation were observed in the treatment process. The site was well maintained, and backup parts were present for all necessary systems (e.g. the UV bulbs and plastic sprinkler heads. Page# 2 Permit: NC0041866 Inspection Date: 02/24/2021 Owner - Facility: Mountain Park Elementary 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? Yes No NA NE • ❑ ❑ ❑ Comment: Plant areas are well maintained and organized. ORC indicated upcoming replacement of septic holding tank (current tank is original to 1950s era school buildings) and replacing sari( on filter bed. Permit (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? Yes No NA NE ❑ ❑ • ❑ Comment: Permit is kept off -site at administrative building, which I decided to avoid due to ongoing COVID-19 precautions. Follow-up email from office provided a photocopy of the permit as requested. Effluent Sampling Is composite sampling flow proportional? Is sample collected below all treatment units? Is proper volume collected? Is the tubing clean? # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type representative)? Comment: Effluent sampling collected weekly by ORC with manual grab. Yes No NA NE ❑ ❑ • ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ • ❑ ❑ ❑ Disinfection -Tablet Yes No NA NE Are tablet chlorinators operational? • ❑ ❑ ❑ Are the tablets the proper size and type? • ❑ ❑ ❑ Number of tubes in use? 0 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? ❑ ❑ • ❑ Page# 3 Permit: NC0041866 Inspection Date: 02/24/2021 Owner - Facility: Mountain Park Elementary Inspection Type: Compliance Evaluation Disinfection -Tablet Yes No NA NE Comment: Chlorination contact chambers are not used regularly, but are in place as a backup in case of UV system failure. Disinfection - UV Are extra UV bulbs available on site? Are UV bulbs clean? Is UV intensity adequate? Is transmittance at or above designed level? Is there a backup system on site? Is effluent clear and free of solids? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: ORC stated that he always orders four bulbs whenever he replaces existing two bulbs, so he always has at least two extras on site. They are cleaned weekly, and replaced annually, or more frequently if fecal becomes an issue. Septic Tank (If pumps are used) Is an audible and visual alarm operational? Is septic tank pumped on a schedule? Are pumps or syphons operating properly? Are high and low water alarms operating properly? Yes No NA NE ❑ ❑ • ❑ • ❑ ❑ ❑ Comment: Septic tank is entirely gravity fed. Sludge is pumped at the end of the school year every five years, or as needed. Sand Filters (Low rate) (If pumps are used) Is an audible and visible alarm Present and operational? Is the distribution box level and watertight? Is sand filter free of ponding? Is the sand filter effluent re -circulated at a valid ratio? # Is the sand filter surface free of algae or excessive vegetation? # Is the sand filter effluent re -circulated at a valid ratio? (Approximately 3 to 1) Comment: Recirculation pump is operable and alarm is present and functioning. Effluent Pipe Is right of way to the outfall properly maintained? Are the receiving water free of foam other than trace amounts and other debris? If effluent (diffuser pipes are required) are they operating properly? Yes No NA NE • ❑ ❑ ❑ ❑ ❑ ❑ • • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ ❑ ❑ • ❑ Page# 4 Permit: NC0041866 Inspection Date: 02/24/2021 Owner - Facility: Mountain Park Elementary Inspection Type: Compliance Evaluation Effluent Pipe Yes No NA NE Comment: Drains to dry/rainwater drainage ditch which runs through several hundred feet of meadow before contact with surface waters. Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? • El El El Is flow meter calibrated annually? • ❑ ❑ ❑ Is the flow meter operational? • ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ • ❑ Comment: Flow into treatment plant is measured with meter on school building. Pump Station - Effluent Is the pump wet well free of bypass lines or structures? 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 • ❑ ❑ ❑ Comment: ORC demonstrated effectiveness of both effluent and recirculation pump wells. Page# 5