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Home My WebLink AboutNC0034703_Compliance Evaluation Inspection_20160331 PAT MCCRORY ./ NIZ, DONALD R. VAN IDR VAART. Water Re otirces S. JAY ZIMMERMAN GN'lIRONMLNi iL.OUAL:I v March 31, 2016 RECEIVED/NCDE61/DWR Mr. Eric Nianouris, Maintenance Director Rowan-Salisbury Schools APR 0 7 1 1000 North Long Street Salisbury, NC 28144 Water Quality Permitting Section Subject: Compliance Evaluation Inspection Knollwood Elementary School WWTP NPDES Permit No. NC0034703 Rowan County Dear Mr. Nianouris: Enclosed is a copy of the Compliance Evaluation Inspection for the inspection conducted at the subject facility on March 29, 2016 by Ori Tuvia. Timothy Pharr, Steve Germen, Dena Myers and Jerry Rodgers cooperation during the site visit was much appreciated. Please advise the staff involved with this NPDES Permit by forwarding a copy of the enclosed report. The report should be self-explanatory; however, should you have any questions concerning this report, please do not hesitate to contact Ori Tuvia at (704) 235-2190, or at ori.tuvia@ncdenr.gov. Sincerely, _____J.. Ori Tuvia, Environmental Engineer Mooresville Regional Office Division of Water Resources, DEQ Cc: NPDES Unit Rowan County Health Department MRO Files Mooresville Regional Office Location:610 East Center Ave.,Suite 301 Mooresville,NC 28115 Phone:(704)663-1699\Fax:(704)663-6040\Customer Service:1-877-623-6748 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 I I I 2 IS I 3 I NC0034703 111 12 I 16/03/29 117 18 ‘[...j,- 19 L!j 201 I 21111111 1 1 1 1 1 1 1 1 [ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11111111111 r6 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA ---------Reserved-------- 67 11.0 1 7014 J 1 71 I,. I 72 I N I 731 I 174 751 1 1 1 1 1 1 1 l80 LSection B:Facility Data I 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) 09:20AM 16/03/29 14/07/01 Knollwood Elementary School 3075 Shue Rd Exit Time/Date Permit Expiration Date 10:20AM 16/03/29 19/06/30 Salisbury NC 28144 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Dena C Myers/ORC/704-872-4697/ Jerry L Rogers/ORC/704-872-4697/ Timothy D Pharr//704-639-3016/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted J.H.Bivens,515 N Clay St Salisbury NC 28144/Maintenance Director/704-639-3016/ No Section C:Areas Evaluated During Inspection(Check only those areas evaluated) A Permit II Flow Measurement II Operations&Maintenance; • Records/Reports • Self-Monitoring Program • Sludge Handling Disposal II Facility Site Review II Effluent/Receiving Waters U 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 Ori A Tuvia MRO WQ//704-663-1699/ _ ;r,.. .__.;; .3R 1 /J Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date Andrew Pitner(A, O GW/1704 663-1699 Ext.21 ;G 3 .33` ( , EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. Page# 1 NPDES yr/mo/day Inspection Type 1 31 NC0034703 111 121 16/03/29 117 18 Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) Page# 2 Permit: NC0034703 Owner-Facility: Knollwood Elementary School Inspection Date: 03/29/2016 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 ❑ ❑ E ❑ application? Is the facility as described in the permit? • 000 #Are there any special conditions for the permit? ❑ E ❑ ❑ Is access to the plant site restricted to the general public? • 000 Is the inspector granted access to all areas for inspection? U 000 Comment: The subiect permit expires on 6/30/2019. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? U 000 Is all required information readily available,complete and current? • 000 Are all records maintained for 3 years(lab. reg. required 5 years)? • 000 Are analytical results consistent with data reported on DMRs? II ❑ ❑ ❑ Is the chain-of-custody complete? U ❑ 0 0 Dates,times and location of sampling U Name of individual performing the sampling Results of analysis and calibration U Dates of analysis Name of person performing analyses Transported COCs U Are DMRs complete:do they include all permit parameters? • ❑ ❑ 0 Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ I ❑ (If the facility is=or>5 MGD permitted flow)Do they operate 24/7 with a certified operator 00 • 0 on each shift? Is the ORC visitation log available and current? • 000 Is the ORC certified at grade equal to or higher than the facility classification? • 000 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? U ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? 00 • 0 Comment: The records were reviewed during the inspection were organized and well maintained. DMR's, COC's, ORC logs and calibration logs were reviewed for the period of June 2013- December 2015. Laboratory Yes No NA NE Page# 3 Permit: NC0034703 Owner-Facility: Knollwood Elementary School Inspection Date: 03/29/2016 Inspection Type: Compliance Evaluation Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? • 000 Are all other parameters(excluding field parameters)performed by a certified lab? • 000 #Is the facility using a contract lab? • 000 #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 000 Celsius)? Incubator(Fecal Coliform)set to 44.5 degrees Celsius+/-0.2 degrees? 001110 Incubator(BOD)set to 20.0 degrees Celsius+/- 1.0 degrees? ❑ ❑ E ❑ Comment: Sampling is performed by Statesville Analytical (Lab Certification#440). Equalization Basins Yes No NA NE Is the basin aerated? • 000 Is the basin free of bypass lines or structures to the natural environment? • 0 ❑ ❑ Is the basin free of excessive grease? • ❑ ❑ 0 Are all pumps present? • 000 Are all pumps operable? • 0 ❑ ❑ Are float controls operable? ❑ ❑ ❑ U Are audible and visual alarms operable? 000 • #Is basin size/volume adequate? • 000 Comment: The equalization basin is equipped with influent screening system. Both pump were operational. Aeration Basins Yes No NA NE Mode of operation Ext.Air Type of aeration system Fixed Is the basin free of dead spots? • 0 0 0 Are surface aerators and mixers operational? ❑ ❑ E ❑ Are the diffusers operational? • 000 Is the foam the proper color for the treatment process? • 000 Does the foam cover less than 25%of the basin's surface? • 000 Is the DO level acceptable? ❑ ❑ ❑ U Is the DO level acceptable?(1.0 to 3.0 mg/I) 001110 Comment: Both blower/motor units were operational. Secondary Clarifier Yes No NA NE Page# 4 Permit: NC0034703 Owner-Facility: Knollwood Elementary School Inspection Date: 03/29/2016 Inspection Type: Compliance Evaluation Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? • 0 ❑ 0 Is the site free of excessive buildup of solids in center well of circular clarifier? 0 0 II 0 Are weirs level? • ❑ 0 0 Is the site free of weir blockage? • ❑ ❑ 0 Is the site free of evidence of short-circuiting? • 0 0 0 Is scum removal adequate? • ❑ 0 0 Is the site free of excessive floating sludge? • ❑ 0 0 Is the drive unit operational? 0 0 • 0 Is the return rate acceptable(low turbulence)? • 0 0 0 Is the overflow clear of excessive solids/pin floc? • ❑ ❑ 0 Is the sludge blanket level acceptable?(Approximately 1/4 of the sidewall depth) U 0 ❑ 0 Comment: Sand Filters (Low rate) Yes No NA NE (If pumps are used)Is an audible and visible alarm Present and operational? 00110 Is the distribution box level and watertight? U 0 ❑ 0 Is sand filter free of ponding? • ❑ ❑ 0 Is the sand filter effluent re-circulated at a valid ratio? 0 0 II ❑ #Is the sand filter surface free of algae or excessive vegetation? • 0 ❑ ❑ #Is the sand filter effluent re-circulated at a valid ratio?(Approximately 3 to 1) 0 0 • 0 Comment: Disinfection-Tablet Yes No NA NE Are tablet chlorinators operational? • ❑ ❑ 0 Are the tablets the proper size and type? • ❑ 0 0 Number of tubes in use? 3 Is the level of chlorine residual acceptable? • ❑ 0 0 Is the contact chamber free of growth,or sludge buildup? • ❑ 0 0 Is there chlorine residual prior to de-chlorination? • ❑ ❑ 0 Comment: De-chlorination Yes No NA NE Type of system? Tablet Page# 5 Permit: NC0034703 Owner-Facility: Knollwood Elementary School Inspection Date: 03/29/2016 Inspection Type: Compliance Evaluation De-chlorination Yes No NA NE Is the feed ratio proportional to chlorine amount(1 to 1)? 0 0 • 0 Is storage appropriate for cylinders? 0 U 0 0 #Is de-chlorination substance stored away from chlorine containers? • 0 0 0 Are the tablets the proper size and type? • 0 0 0 Comment: The chlorination and dechlorination containers (with secured lids)are both stored in the same building. Are tablet de-chlorinators operational? • 0 0 0 Number of tubes in use? 2 Comment: Proper dechlorination tablets were used. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? 0 0 IN 0 Is sample collected below all treatment units? • 0 0 0 Is proper volume collected? • 0 0 0 Is the tubing clean? 0 0 0 • #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 0 0 0 Celsius)? Is the facility sampling performed as required by the permit(frequency,sampling type • 0 0 0 representative)? Comment: The permit requires effluent grab samples. Flow Measurement - Effluent Yes No NA NE #Is flow meter used for reporting? 0 0 II 0 Is flow meter calibrated annually? 0 0 U ❑ Is the flow meter operational? 0 0 U ❑ (If units are separated)Does the chart recorder match the flow meter? 0 0 U 0 Comment: The flow meter on site is not working. Flow is estimated using the bucket and stopwatch method. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • 0 0 0 Does the facility analyze process control parameters,for ex: MLSS,MCRT, Settleable • 0 0 0 Solids, pH, DO, Sludge Judge,and other that are applicable? Comment: The facility appeared to be well maintained and adequately treating the wastewater. Page# 6