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Home My WebLink AboutNC0020656_Compliance Inspection Report_20171004Water Resources ENWRONMENTAL Qd9ALFYY October 04, 2017 Robert A. Ellis City of Laurinburg PO Box 249 Laurinburg, NC 28353-0249 SUBJECT: Compliance Inspection Report Leith Creek WWTP NPDES WW Permit No. NCO020656 Scotland County Dear Permittee: ROS COOPER Graig NffC'1LXFL S. REGAN Ste, - S. JAY Z EVIEMAN Direutoy RECEIVEMCDEQ/DWR OCT 10 2017 vi,._ifer Quality Permitting section The North Carolina Division of Water Resources conducted an inspection of the Leith Creek WWTP on 8/24/2017. 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 •The facility was clean and neat in appearance at the time of the inspection. •Please send a copy of the latest annual report and the most recent copy of the effluent flow meter calibration data by November 6, 2017. •The maintenance records and log books were up to date. •Laboratory sheets for the month of February 2017 were compared to monthly bench sheets and no transcription errors were found. *As part of the inspection, samples were taken and sent to the NC Division of Water Resources Laboratory for testing. The samples were collected using the facility's composite sampler. Results for these samples are listed below: Parameter Resu Its BOD 2.6 m /L Coliform, MF Fecal 1200 CFU/100 NH3 as N 0.04 m /L Total suspended solids 7.5 m /L State of North Carolina I Environmental Quality I Water Resources 225 Green Street, Suite 714, Fayetteville, NC 28301-5043 910-433-3300 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, Mark Brantley, Environmental Program Consultant 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 State of North Carolina I Environmental Quality I Water Resources 225 Green Street, Suite 714, Fayetteville, NC 28301-5043 910-433-3300 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 IN 1 2 15 1 3 I NCO020656 I11 12 17/08/24 17 18 I S I 19 I G j 20I J 211 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 f6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ----------Reserved 671 701, I 71 73L_J74 751 I I I I I 80 LJ I„ I 72 Lnj Section B FacilityData 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) 10 OOAM 17/08/24 14/11/01 Leith Creek WWfP Exit Time/Date Permit Expiration Date Hall St Extension Laurinburg NC 28352 12 30PM 17/08/24 19/08/31 Name(s) of Onsite Representative(s)lfitles(s)/Phone and Fax Number(s) Other Facility Data Bnanne Magdalene Murray/ORC/910-277-0214/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Robert A EIIis,PO Box 249 Launnburg NC 283530249//910-276-9374/9102773633 No Section C Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program Facility Site Review Effluent/Receiving Waters Laboratory Storm Water 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/ '0'A 1 D % Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date Trent AIIeC�G� FRO WQ//910-433-3300/ �_ 1.5117 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete Page# NPDES yr/mo/day Inspection Type (Cont 1 31 NCO020656 I11 12 17/08/24 17 18 ISI Section D Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Comments -The facility was clean and neat In appearance at the time of the Inspection -Please send a copy of the latest annual report and .he most recent copy of the effluent flow meter calibration data by November 6, 2017 -The maintenance records and log books were up to date -Laboratory sheets for the month of February 2017 were compared to monthly bench sheets and no transcription errors were found -As part of the Inspection, samples were taken and sent to the NC Division of Water Resources Laboratory for testing The samples were collected using the facility's composite sampler Results for these samples are listed below Parameter Results BOD 2 6 mg/L Coliform, MF Fecal 1200 CFU/100 NH3 as N 0 04 mg/L Total suspended solids 7 5 mg/L Page# 2 Permit NCO020656 Owner -Facility Leith CreekWWfP Inspection Date 08/24/2017 Inspection Type Compliance Sampling Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? M ❑ ❑ ❑ Does the facility analyze process control parameters, for ex MLSS, MCRT, Settleable 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 ❑ ❑ 0 ❑ application? 0 ❑ ❑ ❑ Is the facility as described in the permit? M ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ ❑ M ❑ Is access to the plant site restricted to the general public? M ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? E ❑ ❑ ❑ Comment Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? E ❑ ❑ ❑ Is all required information readily available, complete and current? 0 ❑ ❑ ❑ Are all records maintained for 3 years (lab reg required 5 years)? E ❑ ❑ ❑ 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 COCs Are DMRs complete do they include all permit parameters? M ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ❑ ❑ M ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ 0 ❑ on each shift? Is the ORC visitation log available and current? 0 ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? 0 ❑ ❑ ❑ Is the backup operator certified at one grade less or greater than the facility classification? 0 ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? M ❑ ❑ ❑ Page# 3 Permit: NC0020656 Owner - Facility LeithCreek WWTP Inspection Date 08/24/2017 Inspection Type Compliance Sampling Record Keeping Yes No NA NE Facility has copy of previous year's Annual Report on file for review? ❑ ❑ N ❑ Comment Please fax a copy of annual report to the regional office Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? 0 ❑ ❑ ❑ Are the receiving water free of foam other than trace amounts and other debris? N ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ 0 ❑ Comment Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? E ❑ ❑ ❑ Is flow meter calibrated annually? ❑ ❑ ❑ 0 Is the flow meter operational? N ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ 0 ❑ Comment Please fax a copy of calibration sheet to the regional office Pump Station - Influent Yes No NA NE Is the pump wet well free of bypass Imes or structures? N ❑ ❑ ❑ Is the wet well free of excessive grease? 0 ❑ ❑ ❑ Are all pumps present? N ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Are float controls operable? 0 ❑ ❑ ❑ Is SCADA telemetry available and operational? ❑ ❑ 0 ❑ Is audible and visual alarm available and operational? ❑ ❑ E ❑ Comment Bar Screens Yes No NA NE Type of bar screen a Manual b Mechanical Are the bars adequately screening debris? M ❑ ❑ ❑ Is the screen free of excessive debris? M ❑ ❑ ❑ Is disposal of screening In compliance? M ❑ ❑ ❑ Page# 4 Permit NC0020656 Owner -Facility Leith CreekWWrP Inspection Date 08/24/2017 Inspection Type Compliance Sampling Bar Screens Yes No NA NE Is the unit in good condition? N ❑ ❑ ❑ Comment Grit Removal Yes No NA NE Type of grit removal 0 ❑ ❑ ❑ a Manual ❑ ❑ ❑ ❑ b Mechanical 0 ❑ ❑ ❑ Is the grit free of excessive organic matter's E ❑ ❑ ❑ Is the grit free of excessive odor? E ❑ ❑ ❑ # Is disposal of grit in compliance? 0 ❑ ❑ ❑ 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? N ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑ Is scum removal adequate? 0 ❑ ❑ ❑ Is the site free of excessive floating sludge? N ❑ ❑ ❑ Is the drive unit operational? 0 ❑ ❑ ❑ Is the return rate acceptable (low turbulence)? N ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately % of the sidewall depth) N ❑ ❑ ❑ Comment Aeration Basins Yes No NA NE Mode of operation Ext Air Type of aeration system Surface Is the basin free of dead spots? 0 ❑ ❑ ❑ Are surface aerators and mixers operational? N ❑ ❑ ❑ Are the diffusers operational? ❑ ❑ 0 ❑ Is the foam the proper color for the treatment process? N ❑ ❑ ❑ Page# 5 Permit NCO020656 Inspection Date 08/24/2017 Owner -Facility Leith CreekWWrP Inspection Type Compliance Sampling Are the aerators operational? E ❑ Aeration Basins Yes No NA NE Does the foam cover less than 25% of the basin's surface? 0 ❑ ❑ ❑ Is the DO level acceptable? 0 ❑ ❑ ❑ Is the DO level acceptable?(1 0 to 3 0 mg/1) 0 ❑ ❑ ❑ Comment Oxidation Ditches Yes No NA NE Are the aerators operational? E ❑ ❑ ❑ Are the aerators free of excessive solids build up? E ❑ ❑ ❑ # 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? 0 .p ❑ ❑ Are settleometer results acceptable (> 30 minutes)? ❑ ❑ 0 ❑ Is the DO level acceptable?(1 0 to 3 0 mg/1) M ❑ ❑ ❑ Are settelometer results acceptable?(400 to 800 ml/I In 30 minutes) ❑ ❑ 0 ❑ 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? ❑ ❑ 0 ❑ Is the basin free of excessive grease? ❑ ❑ 0 ❑ Are all pumps present? ❑ ❑ E ❑ Are all pumps operable? ❑ ❑ M ❑ Are float controls operable? ❑ ❑ 0 ❑ Are audible and visual alarms operable? ❑ ❑ 0 ❑ # Is basin size/volume adequate? ❑ ❑ 0 ❑ Comment At the time of the Inspection the EQ Basin was empty and not In use The power cables to the aerators have cut and stolen The facility was working to replace them De -chlorination Yes No NA NE Type of system ? Gas 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 ::hlorine containers? 0 ❑ ❑ ❑ Page# 6 Permit NCO020656 Inspection Date 08/24/2017 De -chlorination Comment Are the tablets the proper size and type? Are tablet de -chlorinators operational? Number of tubes In use? Comment Standby Power Is automatically activated standby power available? Owner - Facility Leith Creek WWTP Inspection Type Compliance Sampling Is the generator tested by Interrupting primary power source? Is the generator tested under load? Was generator tested & operational during the Inspection? 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? Is the generator fuel level monitored? Comment 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? Comment Influent Sampling # Is composite sampling flow proportional? Is sample collected above side streams? Is proper volume collected? Is the tubing clean? # Is proper temperature set for sample storage (kept at less than or equal to 6 0 degrees Celsius)? Is sampling performed according to the permit? Yes No NA NE ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ M ❑ ❑ ❑ ❑ ❑ ❑ M ■ ❑ ❑ ❑ ❑ ❑ ❑ M E ❑ ❑ ❑ Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ E ❑ ❑ ❑ Page# 7 Permit NCO020656 Inspection Date 08/2412017 Influent Sampling Comment Owner - Facility Leith Creek WWTP Inspection Type Compliance Sampling Effluent Sampling Is composite sampling flow proportional? Is sample collected below all treatment units? Is proper volume collected? 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 Is the facility sampling performed as required by the permit (frequency, sampling type, and sampling location)? Comment Disinfection -Liquid Is there adequate reserve supply of disinfectant? (Sodium Hypochlorite) Is pump feed system operational? Is bulk storage tank containment area adequate? (free of leaks/open drains) Is the level of chlorine residual acceptable? Is the contact chamber free of growth, or sludge buildup? Is there chlorine residual prior to de -chlorination? Comment Yes No NA NE Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ M ❑ ❑ ❑ E ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑ ❑ Yes No NA NE ■ ❑ ❑ ❑ Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 8