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Home My WebLink AboutNC0022098_Compliance Evaluation Inspection_20170411 • ;, , . PAT MCCRORY Governor DONALD R. VAN DER VAART Secretary S. JAY ZIMMERMAN Water Resources Director ENVIRONMENTAL QUALITY • April 11, 2017 Mr. Derek Hinds NC Land Lease, LLC P.O. Box 2533 RE Christiansburg,VA 24068-2533 �'�� D�R ilPe- •J 2011 SUBJECT: Compliance Evaluation Inspection WiterQuality Cranbrook Village WWTP ® jttjflgsect n NPDES Permit No.NC0022098 Guilford County Dear Mr. Hinds: On April 11, 2017, Min Xiao of this office met with Paul Smith, ORC, to perform a Compliance Evaluation Inspection of the wastewater treatment system serving Cranbrook Village. The inspection findings are detailed below and an inspection checklist is attached. I.Permit The current permit became effective October 1, 2016, and will expire at midnight on June 30, 2021.A copy of the permit was not available during the inspection. Please keep one copy on-site. II. Self-Monitoring Program The DMRs were reviewed for the period January 2016 through December 2016. There was a limit violation for Fecal Coliform parameter in July, 2016 (permit limit is400/100m1, actual value was 2,420/100m1). In regards to permit monitoring requirements, it was noted that all sampling was performed per the frequencies specified in the permit. III. Flow Measurement The permit requires weekly instantaneous flow monitoring. The flow is manually measured using the v-notch weir in the contact chamber. IV. Sludge Handling and Disposal • Solids are removed approximately once per month from the in-ground digester by Carolina Septic Tank Company with disposal at the City of Greensboro POTW. V. Operations and Maintenance The treatment system and the in-ground sludge holding tank are operational but have rusted everywhere and have started to deteriorate. VI. Facility Site Review The existing wastewater treatment system consists of the following: a single-train aboveground package plant with flow splitter box (split between aeration basin and influent pump station to control the flow), aeration basin, secondary clarifier, tablet chlorinator box (no tubes), contact State of North Carolina I Environmental Quality I Water Resources 450 West Hanes Mill Road,Suite 300,Winston-Salem,NC 27105 Phone:336-776-98001 Internet:www.ncdenr.gov chamber,tablet dichlorination tubes and effluent discharge pipe. The old in-ground package plant is used for sludge holding and is not aerated. The bar screen has been removed from the treatment system.Please note that the audible alarm of influent pump station was not operational due to circuit failure, and the circuit box showed signs of corrosion.Please repair the system and make the alarm operational. VII.Records/Reports A review of the operator's logs indicated that all records are being maintained according to the • permit. A comparison of the November 2016. DMR with the ORC's on-site records and laboratory ''' results from Pace Analytical showed that flow,pH,temperature,chlorine,BOD,NH3-N,TSS,and Fecal Coliform data were transcribed correctly onto the monitoring report. VIII. Effluent/Receiving Waters The system discharges into Little Alamance Creek, class"WS-W;NSW"waters in the Cape Fear River Basin. The effluent was observed to be clear during the inspection. Should you have any questions concerning this report, please contact Min Xiao or me at (336) 776-9800. Sincerely, An. AtifA, Sherri V. Knight, PE Regional Supervisor Water Quality Regional Operations Section Division of Water Resources cc: Paul Smith(smithindustrie@bellsouth.net) Central Files NPDES Unit WSRO • 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 Ir,, I 2 12 j 3 I N00022098 I 1 1 12 I 17/04/10 117 18 19[ J 20I I 211III I I I I I III 111 I I I I I I I I I I I I I I I I I I I III I I I I 1166 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA -- Reserved-------- 671 I 701 i 711 I 72 ", 731 I 174 75J 1 1 1 1 1 1 180 LJ Section 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) 11:35AM 17/04/10 16/10/01 Cranbrook Village Community • 4309 Liberty Rd Exit Time/Date Permit Expiration Date Greensboro NC 27406 12:40PM 17/04/10 21/06/30 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Paul Matthew Smith/ORC/336-932-9347/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Paul Smith,4309 Old Liberty PI Greensboro NC 27407//336-932-9347/ No Section C:Areas Evaluated During Inspection(Check only those areas evaluated) • • Permit • Flow Measurement • Operations&Maintenance • Records/Reports El Self-Monitoring Program II Sludge Handling Disposal II Facility Site Review • Effluent/Receiving Waters 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 Min Xiao WSRO WQ//336769800/ i �� >( O 0 4/I! /b I) Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date NVAAAA/2 Autj LJ 4/f 1/ l 7 EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. Page# 1 NPDES yr/mo/day Inspection Type 1 31 NC0022098 I11 121 17/04/10 I17 18I I Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) Page# 2 Permit: NC0022098 Owner-Facility: Cranbrook Village Community Inspection Date: 04/10/2017 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 0 • 0 application? Is the facility as described in the permit? • 0 0 0 #Are there any special conditions for the permit? 0 • 0 0 Is access to the plant site restricted to the general public? • ❑ 0 0 Is the inspector granted access to all areas for inspection? • 0 0 0 Comment: The current permit became effective October 1,2016, and will expire at midnight on June 30, 2021.A copy of the permit was not on-site. The bar screen has been removed from the treatment system. 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 plant needs more cleanup work.The treatment system and the in-ground sludge holding tank are operational but have rusted everywhere and have started to deteriorate. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • 0 0 0 Is all required information readily available,complete and current? • 0 0 0 Are all records maintained for 3 years(lab. reg.required 5 years)? • 0 0 0 Are analytical results consistent with data reported on DMRs? • 0 0 0 Is the chain-of-custody complete? I 0 0 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 COCs • Are DMRs complete:do they include all permit parameters? • 0 0 0 Has the facility submitted its annual compliance report to users and DWQ? 0 0 • 0 (If the facility is=or>5 MGD permitted flow)Do they operate 24/7 with a certified operator 0 0 • 0 on each shift? Is the ORC visitation log available and current? • 0 0 0 Is the ORC certified at grade equal to or higher than the facility classification? • 0 0 ❑ Page# 3 Permit: NC0022098 Owner-Facility: Cranbrook Village Community Inspection Date: 04/10/2017 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE Is the backup operator certified at one grade less or greater than the facility classification? • 0 0 0 Is a copy of the current NPDES permit available on site? 0 II 0 0 Facility has copy of previous year's Annual Report on file for review? 0 0 • 0 Comment: A comparison of the November 2016 DMR with the ORC's on-site records and laboratory results from Pace Analytical showed that flow, pH,temperature, chlorine, BOD, NH3-N, TSS,and Fecal Coliform data were transcribed correctly onto the monitoring report. Pump Station -Influent Yes No NA NE Is the pump wet well free of bypass lines or structures? • 0 0 0 Is the wet well free of excessive grease? 0 0 II 0 Are all pumps present? • 0 0 0 Are all pumps operable? • 0 0 0 Are float controls operable? 0 0 • 0 Is SCADA telemetry available and operational? 0 II 0 0 Is audible and visual alarm available and operational? 0 • 0 0 Comment: The audible alarm was not operational due to circuit failure.The circuit box showed signs of corrosion. Aeration Basins Yes No NA NE Mode of operation Ext.Air Type of aeration system Diffused Is the basin free of dead spots? • 0 0 0 Are surface aerators and mixers operational? 0 0 MI 0 Are the diffusers operational? • 0 0 0 Is the foam the proper color for the treatment process? • ❑ 0 0 Does the foam cover less than 25%of the basin's surface? • 0 0 0 Is the DO level acceptable? 0 0 0 • Is the DO level acceptable?(1.0 to 3.0 mg/I) 0 0 0 • Comment: There are two blowers. Only one is in use,the other one is a backup. Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? • 0 0 0 Is the site free of excessive buildup of solids in center well of circular clarifier? 0 0 • 0 Are weirs level? • 0 0 0 Is the site free of weir blockage? • 0 0 0 Page# 4 • Permit: NC0022098 Owner-Facility: Cranbrook Village Community Inspection Date: 04/10/2017 Inspection Type: Compliance Evaluation - Secondary Clarifier Yes No NA NE Is the site free of evidence of short-circuiting? • 0 0 0 Is scum removal adequate? • •0 0 0 Is the site free of excessive floating sludge? • 0 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 0 0 Is the sludge blanket level acceptable?(Approximately Y4 of the sidewall depth) 0 0 0 • Comment: Single clarifier with one weir trough. Disinfection-Tablet Yes No NA NE Are tablet chlorinators operational? 0 0 • 0 Are the tablets the proper size and type? U 0 0 0 Number of tubes in use? 0 Is the level of chlorine residual acceptable? ❑ 0 0 • Is the contact chamber free of growth,or sludge buildup? U 0 0 0 Is there chlorine residual prior to de-chlorination? 0 0 • 0 Comment: No chlorinator tubes is in use.Tablets are directly placed in the clarifier weir trough. De-chlorination Yes No NA NE Type of system? Tablet Is the feed ratio proportional to chlorine amount(1 to 1)? 0 0 • 0 Is storage appropriate for cylinders? • 0 0 0 #Is de-chlorination substance stored away from chlorine containers? • 0 0 0 Comment: Are the tablets the proper size and type? • 0 0 0 Are tablet de-chlorinators operational? • 0 0 0 Number of tubes in use? 2 Comment: There are two dechlorination tubes, but the top of one dechlor tube was broken. Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? • 0 0 0 Are the receiving water free of foam other than trace amounts and other debris? • 0 0 0 If effluent (diffuser pipes are required) are they operating properly? 0 0 • 0 Page# 5 Permit: NC0022098 Owner-Facility: Cranbrook Village Community Inspection Date: 04/10/2017 Inspection Type: Compliance Evaluation Effluent Pipe Yes No NA NE Comment: Several sections fo the pipe have separated and fallen into the stream channel at the discharge end of the outfall.The effluent was observed to be clear during the inspection. • • • • • Page# 6