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Home My WebLink AboutNC0034703_Compliance Evaluation Inspection_20190528United 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 I 2 IF I 3 I NC0034703 111 12 I 19/05/14 I17 18 I S i 19 i G i 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 131 QA ---------------------- Reserved ------------------- 671 70I�_71 I 72 r 73I i74 751 I I I I 80 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) 10:OOAM 19/05/14 14/07/01 Knollwood Elementary School 3075 Shue Rd Exit Time/Date Permit Expiration Date Salisbury NC 28144 12:23PM 19/05/14 19/06/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Todd Franklin Robinson/ORC/704-881-4598/ 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) Permit 0 Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program 0 Sludge Handling Disposal Facility Site Review Compliance Schedules Effluent/Receiving Waters 0 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 DocuSigned by: - - SQL MRO WQ//252-946-6481/ 5/23/2019 Roberto SchellerC)91C2A007838943E— igned oc by: Signature of Management Q A Reviewer Agency/Office/Phone nd ax umbers Date A!44,.uo ii PZU" 5.24.19 W. Corey Basinger Division of Water Quality//704-2; for wC6 F 161 FB69AMUA3... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCO034703 I11 121 19/05/14 117 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCO034703 Owner - Facility: Knollwood Elementary School Inspection Date: 05/14/2019 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 0 ❑ ❑ ❑ 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: The current permit was issued on July 1, 2014 and expires on June 30, 2019. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ ❑ ❑ Is all required information readily available, complete and current? 0 ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? 0 ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑ Is the chain -of -custody complete? 0 ❑ ❑ ❑ 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 CM 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? ❑ ❑ ❑ Comment: Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Page# 3 Permit: NCO034703 Inspection Date: 05/14/2019 Owner - Facility: Knollwood Elementary School Inspection Type: Compliance Evaluation Operations & Maintenance Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: Facility appeared to be well maintained. Sand filter bed was free of vegetation. 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 ❑ ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ Comment: Sampling performed by Statesville Analytical Lab Certification #440. All effluent samples collected grab in accordance with permit requirements. 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? 0 ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Bar screen consist of metal basket at head of treatment Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Is the basin free of dead spots? 0 ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ 0 ❑ Are the diffusers operational? 0 ❑ ❑ ❑ Is the foam the proper color for the treatment process? 0 ❑ ❑ ❑ Does the foam cover less than 25% of the basin's surface? 0 ❑ ❑ ❑ Is the DO level acceptable? ❑ ❑ ❑ Is the DO level acceptable?(1.0 to 3.0 mg/1) ❑ ❑ ❑ Page# 4 Permit: NC0034703 Owner - Facility: Knollwood Elementary School Inspection Date: 05/14/2019 Inspection Type: Compliance Evaluation Aeration Basins Yes No NA NE Comment: Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? 0 ❑ ❑ ❑ Is the site free of excessive buildup of solids in center well of circular clarifier? 0 ❑ ❑ ❑ Are weirs level? 0 ❑ ❑ ❑ Is the site free of weir blockage? 0 ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑ Is scum removal adequate? 0 ❑ ❑ ❑ Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Is the drive unit operational? ❑ ❑ 0 ❑ Is the return rate acceptable (low turbulence)? 0 ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately'/ of the sidewall depth) ❑ ❑ ❑ Comment: Effluent from treatment plant flows into septic tank sand filter unit and then is discharged. Septic Tank Yes No NA NE (If pumps are used) Is an audible and visual alarm operational? ❑ ❑ 0 ❑ Is septic tank pumped on a schedule? 0 ❑ ❑ ❑ Are pumps or syphons operating properly? 0 ❑ ❑ ❑ Are high and low water alarms operating properly? ❑ ❑ 0 ❑ Comment: Sand Filters (Low rate) Yes No NA NE (If pumps are used) Is an audible and visible alarm Present and operational? ❑ ❑ 0 ❑ Is the distribution box level and watertight? 0 ❑ ❑ ❑ Is sand filter free of ponding? 0 ❑ ❑ ❑ Is the sand filter effluent re -circulated at a valid ratio? ❑ ❑ 0 ❑ # 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 ❑ Comment: Compliance Schedules Yes No NA NE Page# 5 Permit: NC0034703 Owner - Facility: Knollwood Elementary School Inspection Date: 05/14/2019 Inspection Type: Compliance Evaluation Compliance Schedules Yes No NA NE Is there a compliance schedule for this facility? ❑ ❑ ❑ ❑ Is the facility compliant with the permit and conditions for the review period? ❑ ❑ ❑ ❑ Comment: Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? 0 ❑ ❑ ❑ Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ 0 ❑ Comment: Disinfection -Tablet Yes No NA NE Are tablet chlorinators operational? 0 ❑ ❑ ❑ Are the tablets the proper size and type? 0 ❑ ❑ ❑ Number of tubes in use? 4 Is the level of chlorine residual acceptable? 0 ❑ ❑ ❑ Is the contact chamber free of growth, or sludge buildup? 0 ❑ ❑ ❑ Is there chlorine residual prior to de -chlorination? 0 ❑ ❑ ❑ Comment: De -chlorination Yes No NA NE Type of system ? Tablet Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ 0 ❑ Is storage appropriate for cylinders? ❑ ❑ 0 ❑ # 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? 2 Comment: 2 to 1 ratio chlorine to de-chlor. Page# 6 Roy COOPER Governor MICHAEL S. REGAN Secretary LINDA CULPEPPER Director Ms. Lynn Moody Rowan -Salisbury Schools 3075 Shue Road Salisbury, NC 28147 NORTH CAROLINA Environmental Quality May 28, 2019 SUBJECT: Compliance Evaluation Inspection Knollwood Elementary School WWTP NPDES Permit #NC0034703 Rowan County, NC Dear Ms. Moody: On May 14, 2019, Roberto Scheller of this Office conducted an inspection at the subject facility. This inspection was conducted as a Compliance Evaluation Inspection (CEI) to insure compliance with permit requirements and conditions. At the time of inspection, facility appeared to be well maintained and operated. We wish to thank your operating staff for their assistance regarding this inspection. The enclosed report should be self-explanatory; however, should you have any questions, please do not hesitate to contact Roberto Scheller, of the Mooresville Regional Office, at 704-663-1699 or roberto.scheller@ncdenr.gov. Sincerely, DocuSigned by: F161F1369A2D84A3... for W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Mooresville Regional Office Enclosure: Inspection Report NORTH CAROHNA � D E Q North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1 610 East Center Avenue, Suite 301 1 Mooresville, North Carolina 28115 o.namremor �.w.c�..a..giuuei� /`� 704.663.1699