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Home My WebLink AboutNC0020656_Compliance Evaluation Inspection_20190719 +vtat*e y ROY COOPER IRECEIVED/NCDEQ/D R Governor - - MICHAEL S.REGAIN 7,..y.. i ' secretory JUL 2 2 2Q19 LINDA CULPEPPER NORTH CAROLINA l:nvtranmentalQuality Water Quality Director Permitting Section July 19, 2019 Dixon Medlin City of Laurinburg PO Box 249 Laurinburg, NC 28353-0249 SUBJECT: Compliance Inspection Report Leith Creek WWTP NPDES WW Permit No. NC0O20656 Scotland County Dear Permittee: The North Carolina Division of Water Resources conducted an inspection of the Leith Creek WWTP on 6/26/2019. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0020656. The findings and comments noted during this inspection are provided in the enclosed copy of the inspection report entitled "Compliance Inspection Report". Comments • Facility was clean and neat in appearance at the time of the inspection. • DWR records do not have a back-up ORC listed for the Leith Creek WWTP. Please contact Maureen Kinney with NC Operator Certification Program to designate a back-up ORC. She can be reached at 919-707-9038 or Maureen.Kinnev@ncdenr.gov. ,DE ` Northar&ima Dap:rton rt of Env+r�:1 taS Quai'tu I D4i7;r of Wdatar Resbutess r�} Fat<=tt>_v fi gors oa 225 3rae Strait,5uta r'14 i Fasatte r a.North Caro tray 2&301 r + °z +x 91C-d33-a3DO If you should have any questions, please do not hesitate to contact Mark Brantley with the Water Quality Regional Operations Section in the Fayetteville Regional Office at 910-433-3300 or via email at mark.brantley@ncdenr.gov. Sincerely, CaouSigned byO/•,It. I- I E4E1A9691D8248E Mark Brantley, Assistant Regional Supervisor Water Quality Regional Operations Section Fayetteville Regional Office Division of Water Resources, NCDEQ ATTACHMENTS Cc: WQS Fayetteville Regional Office - Enforcement File ` NPDES Compliance/Enforcement Unit - Enforcement File 1 North isra i s Dzgartment of Envu�anm�nt t sa t} DF nsor of S7 ter Res�uaoes , .irtE ) Fasettekf a fi� ons3 Dff 225 83v_ra Str=_et,.Se 714 I Fa;.,ettel A.North earn frts 28301 as=.-=._.__.... 910-433-330.0 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 �N 2 El 3 I NC0020656 111 12 I 19/06/26 117 18 I I 19 I S I 201 I 21I 11 1 1 1 I I I I II I I I I I I I I I I I I I I I I m I I I I I I II I I I I Ir6 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA — -Reserved — 671 I 70 L-I, II 711 I 72 N 731 I 174 751 I I I I I I 1 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 permit Number) 09 45AM 19/06/26 14/11/01 Leith Creek WWTP Exit Time/Date Permit Expiration Date Hall St Extension 12 00PM 19/06/26 19/08/31 Launnburg NC 28352 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Dixon Lee Medlin/ORC/910-755-7921/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Robert A Ellis,P0 Box 249 Launnburg NC 283530249//910-276-9374/9102773633 No Section C Areas Evaluated During Inspection(Check only those areas evaluated) Permit II Flow Measurement • Operations&Maintenance 11 Records/Reports Self-Monitonng Program MI Sludge Handling Disposal II Facility Site Review El 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 Mark Brantley FRO WQ//910-433-3300 Ext 727/ p—DocuSsignedd by: 7/19/2019 M.at. tra `—E4ELA9691DB248E Signature of Management c1 A Reviewer Agency/Office/Phone and Fax Numbers Date EPA Form 3560-3(Rev 9-94)Previous editions are obsolete Page# 1 NPDES yr/mo/day Inspection Type 1 31 N C 0020656 Ill 121 19/06/26 117 18 Li Section D Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) Comments Facility was clean and neat in appearance at the time of the inspection DWR records do not have a back-up ORC listed for the Leith Creek VVVVTP Please contact Maureen Kinney with NC Operator Certification Program to designate a back-up ORC She can be reached at 919-707-9038 or Maureen Kinney@ncdenr.gov. Page# 2 Permit: NC0020656 Owner-Facility: Leith Creek WWTP Inspection Date: 06/26/2019 Inspection Type: Compliance Evaluation Operations& Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping'? I ❑ ❑ 0 Does the facility analyze process control parameters,for ex. MLSS, MCRT, Settleable • 0 ❑ 0 Solids, pH, DO, Sludge Judge, and other that are applicable'? Comment: Permit Yes No NA NE (If the present permit expires in 6 months or less) Has the permittee submitted a new IN 0 ❑ ❑ application'? Is the facility as described in the permit? IN 0 0 0 #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. 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 U Are DMRs complete do they include all permit parameters'? IN ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ ❑ MI (If the facility is=or>5 MGD permitted flow)Do they operate 24/7 with a certified operator ❑ ❑ I ❑ 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'? M ❑ ❑ ❑ Is a copy of the current NPDES permit available on site'? MI ❑ ❑ ❑ Page# 3 Permit: NC0020656 Owner-Facility: Leith Creek VVVVTP Inspection Date: 06/26/2019 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE Facility has copy of previous year's Annual Report on file for review? ❑ ❑ ❑ • Comment. DWR records do not have an ORC listed Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained'? • ❑ El ❑ Are the receiving water free of foam other than trace amounts and other debris'? MI 0 ❑ 0 If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ MI 0 Comment - Aerobic Digester Yes No NA NE Is the capacity adequate'? • 0 ❑ El Is the mixing adequate'? ■ ❑ ❑ ❑ Is the site free of excessive foaming in the tank'? • ❑ ❑ ❑ #Is the odor acceptable'? • ❑ 0 El #Is tankage available for properly waste sludge'? • El 0 El Comment Drying Beds Yes No NA NE Is there adequate drying bed space'? • El ❑ ❑ Is the sludge distribution on drying beds appropriate'? • ❑ ❑ ❑ Are the drying beds free of vegetation'? • ❑ 0 El #Is the site free of dry sludge remaining in beds'? • El ❑ El Is the site free of stockpiled sludge'? ® El ❑ El Is the filtrate from sludge drying beds returned to the front of the plant'? • ❑ ❑ ❑ #Is the sludge disposed of through county landfill'? ❑ ❑ • ❑ #Is the sludge land applied'? ® ❑ El ❑ (Vacuum filters)Is polymer mixing adequate'? ❑ ❑ • ❑ Comment Flow Measurement- Effluent Yes No NA NE #Is flow meter used for reporting'? • ❑ El ❑ Is flow meter calibrated annually? • ❑ El El Is the flow meter operational'? • ❑ ❑ ❑ Page# 4 Permit: NC0020656 Owner-Facility: Leith Creek WVVTP Inspection Date: 06/26/2019 Inspection Type: Compliance Evaluation Flow Measurement-Effluent Yes No NA NE (If units are separated)Does the chart recorder match the flow meter'? ❑ 0 • ❑ Comment: Pump Station - Influent Yes No NA NE Is the pump wet well free of bypass lines or structures'? • ❑ ❑ ❑ Is the wet well free of excessive grease? • ❑ ❑ ❑ Are all pumps present'? • ❑ ❑ ❑ Are all pumps operable'? • ❑ 0 ❑ Are float controls operable? • ❑ ❑ ❑ Is SCADA telemetry available and operational'? M ❑ ❑ ❑ Is audible and visual alarm available and operational'? ❑ 0 ❑ • Comment: Bar Screens Yes No NA NE Type of bar screen a Manual ❑ b Mechanical II Are the bars adequately screening debris? III ❑ ❑ ❑ Is the screen free of excessive debris? 111000 Is disposal of screening in compliance'? • ❑ ❑ ❑ Is the unit in good condition'? • ❑ ❑ ❑ Comment Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater'? M 0 0 ❑ Is the site free of excessive buildup of solids in center well of circular clarifier'? • ❑ ❑ ❑ Are weirs level'? • ❑ ❑ ❑ Is the site free of weir blockage'? U ❑ ❑ ❑ Is the site free of evidence of short-circuiting? • ❑ ❑ ❑ Is scum removal adequate'? • ❑ ❑ ❑ Is the site free of excessive floating sludge'? • ❑ ❑ ❑ Is the drive unit operational'? • ❑ ❑ ❑ Is the return rate acceptable(low turbulence)? • ❑ 0 ❑ Page# 5 Permit: NC0020656 Owner-Facility: Leith CreekWWTP Inspection Date: 06/26/2019 Inspection Type: Compliance Evaluation Secondary Clarifier Yes No NA NE Is the overflow clear of excessive solids/pin floc'? Is the sludge blanket level acceptable?(Approximately%4 of the sidewall depth) • 0 El El Comment Aeration Basins Yes No NA NE Mode of operation Ext Air Type of aeration system Surface Is the basin free of dead spots'? • El El El Are surface aerators and mixers operational'? ❑ Are the diffusers operational'? ❑ 0 • El Is the foam the proper color for the treatment process'? ❑ Does the foam cover less than 25%of the basin's surface'? Is the DO level acceptable'? • ❑ El El Is the DO level acceptable?(1 0 to 3 0 mg/I) • El 0 ❑ Comment Oxidation Ditches Yes No NA NE Are the aerators operational'? • El 0 ❑ Are the aerators free of excessive solids build up'? • El #Is the foam the proper color for the treatment process'? • ❑ ❑ El Does the foam cover less than 25%of the basin's surface? El Is the DO level acceptable'? Are settleometer results acceptable(>30 minutes)? El El 0 ill Is the DO level acceptable?(1 0 to 3.0 mg/I) El Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes) 0 0 ❑ • Comment De-chlorination Yes No NA NE Type of system? Gas Is the feed ratio proportional to chlorine amount(1 to 1)? ❑ GI Is storage appropriate for cylinders'? • ❑ CI ❑ #Is de-chlorination substance stored away from chlorine containers'? El El Comment Page# 6 Permit: NC0020656 Owner-Facility: Leith Creek W NTP Inspection Date: 06/26/2019 Inspection Type: Compliance Evaluation De-chlorination Yes No NA NE Are the tablets the proper size and type? El ❑ • ❑ Are tablet de-chlorinators operational? El ❑ • ❑ Number of tubes in use? Comment. Standby Power Yes No NA NE Is automatically activated standby power available? • El El ❑ Is the generator tested by interrupting primary power source? U ❑ El ❑ Is the generator tested under load'? • 0 ❑ 0 Was generator tested&operational during the inspection? El El ❑ • Do the generator(s)have adequate capacity to operate the entire wastewater site'? • ❑ ❑ ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power'? El ❑ ❑ U Is the generator fuel level monitored'? 11 0 0 El Comment Equalization Basins Yes No NA NE Is the basin aerated'? • ❑ 0 ❑ Is the basin free of bypass lines or structures to the natural environment'? • El El El Is the basin free of excessive grease'? • ❑ ❑ El Are all pumps present'? • El El El Are all pumps operable'? • ❑ El El Are float controls operable'? El El El • Are audible and visual alarms operable'? ElEl El11 - #Is basin size/volume adequate'? 11 ❑ 0 El Comment. Need to remove vegation from the bottom of the basin Disinfection-Liquid Yes No NA NE Is there adequate reserve supply of disinfectant'? • El El 0 (Sodium Hypochlonte) Is pump feed system operational'? • El El ❑ Is bulk storage tank containment area adequate'?(free of leaks/open drains) • El ❑ El Is the level of chlorine residual acceptable'? IN ❑ 0 El Is the contact chamber free of growth, or sludge buildup'? • El 0 El Is there chlorine residual prior to de-chlorination? • El ❑ ❑ Page# 7 Permit: NC0020656 Owner-Facility: Leith Creek WWTP Inspection Date: 06/26/2019 Inspection Type: Compliance Evaluation Disinfection-Liquid Yes No NA NE Comment: Influent Sampling Yes No NA NE #Is composite sampling flow proportional? ❑ ❑ • ❑ Is sample collected above side streams? • ❑ -❑ ❑ Is proper volume collected'? • ❑ 0 ❑ Is the tubing clean? • ❑ ❑ ❑ #Is proper temperature set for sample storage(kept at less than or equal to 6 0 degrees III ❑ ❑ 0 Celsius)? Is sampling performed according to the permit'? • ❑ 0 ❑ Comment: Effluent Sampling Yes No NA NE Is composite sampling flow proportional'? III ❑ ❑ ❑ Is sample collected below all treatment units'? • ❑ ❑ ❑ Is proper volume collected'? ID ❑ ❑ 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. Upstream/Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit(frequency,sampling type, and • 0 ❑ ❑ sampling location)? Comment: Page# 8