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Home My WebLink AboutNC0074233_Compliance Evaluation Inspection_20220505ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director NORTH CAROLINA Environmental Quality May 5, 2022 Robert Hoyle, Director of Construction & Maintenance Catawba County Schools Post Office Box 1010 Maiden, NC 28658 SUBJECT: Compliance Evaluation Inspection Blackburn Elementary School WWTP NPDES Permit No. NC0074233 Catawba County Dear Mr. Hoyle: Enclosed is a copy of the Compliance Evaluation Inspection (CEI) Report for the inspection conducted at the subject facility on April 26, 2022, by Mr. Wes Bell of this Office. Please advise the facility's Operator -in -Responsible Charge (ORC) of our findings by forwarding the enclosed report. Should you have any questions concerning this report, please do not hesitate to contact Mr. Bell at (704) 235-2192 or at wes.bell@ncdenr.gov. Enclosure: Inspection Report Cc: NPDES Program Files - Laserfiche DILLORIN _E Sincerely, ,-DocuSigned by: A4.144wHPci F161 FB69A2D84A3... fo r W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Mooresville Regional Office Division of Water Resources, NCDEQ North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1610 East Center Avenue. Suite 301 1 Mooresville. North Carolina 28115 704.663.1699 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 1 IN I 2 IL I 21IIIIII NPDES yr/mo/day Inspection 3 I NC0074233 111 121 22/04/26 117 Type 1810I IIIIIIIIIII Inspector Fac Type 19I S I 2011 IIIIIIIIIIIIIIIIII I IIIIII P6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 67I2.0 I 70I4 I 71IN I 72 I N I 73I 1 74 751 I I 1 I I I I I I 180 l Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Number) Blackburn Elementary School 4377 NC Hwy 10 W Newton NC 28658 Entry Time/Date 09:05AM 22/04/26 Permit Effective Date 21/10/01 Exit Time/Date 09:42AM 22/04/26 Permit Expiration Date 25/07/31 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 Robert Hoyle,PO Box 1010 Newton NC 286581010/Director of Construction & Maintenance/828-464-3562/8284654442 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran Sludge Handling Dispo: 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) Wes Bell of Inspector(s) Agency/Office/Phone and Fax Numbers Date —Docusigned by: DWR/MRO WQ/704-663-1699 Ext.2192/ 5/5/2022 ZOO- Bat '-A61696D90CC3437... Signature of Ma R4eYr�iC' EAReviewer Agency/Office/Phone and Fax Numbers Date Andrew Pit rA's°14' H P' iWR/MRO WQ/704-663-1699 Ext.2180/ 5. 5.22 F161 FB69A2D84A3... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# 1 NPDES yr/mo/day 31 NC0074233 111 121 22/04/26 I17 Inspection Type 18 [j 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# 2 Permit: NC0074233 Inspection Date: 04/26/2022 Owner - Facility: Blackburn Elementary School Inspection Type: Compliance Evaluation 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: Overall, the facility is adequately described in the permit; however, tablet dechlorination needs to be included in the next reissued permit. The last compliance evaluation inspection at this facility was performed by DWR staff on 12/2/2020. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • ❑ ❑ ❑ Is all required information readily available, complete and current? • ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? ❑ ❑ ❑ • Are analytical results consistent with data reported on DMRs? • ❑ ❑ ❑ Is the chain -of -custody complete? • ❑ ❑ ❑ Dates, times and location of sampling • Name of individual performing the sampling • Results of analysis and calibration • Dates of analysis ■ Name of person performing analyses ■ Transported COCs ■ Are DMRs complete: do they include all permit parameters? • ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ • ❑ (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? • ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? • ❑ ❑ ❑ Is the backup operator certified at one grade less or greater than the facility • ❑ ❑ ❑ classification? Is a copy of the current NPDES permit available on site? • ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? ❑ ❑ • ❑ Page# 3 Permit: NC0074233 Inspection Date: 04/26/2022 Owner - Facility: Blackburn Elementary School Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE Comment: The records reviewed during the inspection were organized and well maintained. Discharge Monitoring Reports (eDMRs) were reviewed for the period March 2021 through February 2022. No effluent limit and/or monitoring violations were reported. The ORC must ensure to separately document the sample collection times for both the contract lab and field parameters. Laboratory Are field parameters performed by certified personnel or laboratory? Are all other parameters(excluding field parameters) performed by a certified lab? # Is the facility using a contract lab? # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: Effluent analyses (all permit -required parameters including field) are performed under Water Tech Lab's Certification #50. The ORC must ensure to report effluent total residual chlorine (TRC) values down to the lowest standard verified on the TRC meter during the annual meter verification. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ • ❑ Is sample collected below all treatment units? • ❑ ❑ ❑ Is proper volume collected? ❑ ❑ • ❑ Is the tubing clean? El El • ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 El El • El degrees Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type • ❑ El El representative)? Comment: The subject permit requires effluent grab samples. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • El El El Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable El El El Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: The School System has fixed the audible and visual alarm system (high level) and installed a flow meter on the recirculation tank's effluent line to the tablet chlorination treatment system. Page# 4 Permit: NC0074233 Inspection Date: 04/26/2022 Owner - Facility: Blackburn Elementary School Inspection Type: Compliance Evaluation 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: The septic and recirculation tanks are pumped every summer by a contract company (Leatherman's Septic Tank Service). Custodial staff have previously added sodium bicarbonate at the school to maintain appropriate alkalinity/pH levels. The ORC should verify with school staff the frequency and volume of the sodium bicarbonate additions. 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) Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: The ORC temporarily fixed a leaking joint (elbow) on one of the distribution headers. The elbow should be permanently fixed to prevent any future separations from the header system. Flow Measurement - Effluent # Is flow meter used for reporting? Is flow meter calibrated annually? Is the flow meter operational? (If units are separated) Does the chart recorder match the flow meter? Yes No NA NE ❑ ❑ • ❑ Comment: An inline flow meter was installed last year. The permittee must ensure the flow meter is calibrated annually as required by the NPDES Permit [Part II, Section D(3) Flow Measurement]. Disinfection -Tablet Yes No NA NE Are tablet chlorinators operational? • ❑ ❑ ❑ Are the tablets the proper size and type? • El El El Number of tubes in use? 3 Is the level of chlorine residual acceptable? • ❑ ❑ ❑ Is the contact chamber free of growth, or sludge buildup? ■ El El El Is there chlorine residual prior to de -chlorination? • El El El Page# 5 Permit: NC0074233 Inspection Date: 04/26/2022 Owner - Facility: Blackburn Elementary School Inspection Type: Compliance Evaluation Disinfection -Tablet Yes No NA NE Comment: De -chlorination Yes No NA NE Type of system ? Tablet Is the feed ratio proportional to chlorine amount (1 to 1)? • El ❑ ❑ Is storage appropriate for cylinders? ❑ El • El # Is de -chlorination substance stored away from chlorine containers? ❑ El • El Comment: Are the tablets the proper size and type? • ❑ ❑ ❑ Are tablet de -chlorinators operational? • ❑ ❑ ❑ Number of tubes in use? 3 Comment: 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? Comment: The facility was not discharging at the time of the inspection. Yes No NA NE ❑ ❑ • ❑ Page# 6