The URL can be used to link to this page

Home My WebLink AboutNC0024538_Inspection_20161020NPDES DOCUMENT :SCANNING. COVER SHEET NPDES Permit: NC0024538 Shelby / First Broad River WWTP Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Inspection ) Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Document Date: October 20, 2016 This document is printed on reuse paper - ignore any content on the reirerse side Water Resources ENVIRONMENTAL QUALITY October 20, 2016 Mr. David Hux Asst. Utilities Director - Operations Town of Shelby P.O. Box 207 Shelby, NC 28151 PAT MCCRORY c7ovo nor DONALD R. VAN DER VAART Szcrckrry S. JAY ZIMMERMAN Director RECEIVED/HCDEQ/DWR OCT 9!52016 Water QS ltY Permitting Subject: Bioassay Compliance Inspection City of Shelby/First Broad River WWTP NPDES Permit No. NC0024538 Cleveland County Dear Mr. Hux: Enclosed is a copy of the Compliance Sampling Inspection for the inspection conducted at the subject facility on October 18, 2016, by Ori Tuvia Maria Schutte and Ed Watson. Sibyl Brotherton's and Jordan Jackson's 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. Chronic Toxicity split samples were taken during the inspection. Results of the split samples will be forwarded upon completion of analyses. 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. Cc: NPDES Unit MRO Files Sincerely, Ori Tuvia, Environmental Engineer Mooresville Regional Office Division of Water Resources, DEQ Mooresville Regional Office EPA United States Environmental Protection Agency •Washington, D.C. 20460 Water Compliance Inspection Report Form Approved. OMB No. 2040-0057 Approval expires 8-31-98 1 Section A: National Data System Coding (i.e., PCS) Transaction 1 ELI Code 2 U 13 NPDES yr/mo/day Inspection Type Inspector Fac Type 1 NC0024538 111 12 I 16/10/18 117 18 I Q I 19 I c 1 2011 21IIIIII III]IiIIIIIIIIIIIIIIIIIII IIIIIIIIIII r Evaluation B1 QA Reserved Inspection 6711.o Work Days Facility Self -Monitoring 70 Id Rating i 71 u 72 L J 731 I 174 751 1 1 11 I I 180 Section B: Facility Data Name and Location of Facility POTW name and NPDES 'I Inspected (For Industrial Users discharging to POTW, also Include oermit Number) Entry Time/Date 09:45AM 16/10/18 Permit Effective Date 13/12/01 First Broad River WWrP 1940 S Lafayette St Shelby NC 28152 1 Exit Time/Date 01:05PM 16/10/18 Permit Expiration Date 18/08/31 Name(s) of Onsite Repres�sntative(s)/T'dles(s)/Phone 1// Jordan Jadkson/Coordinator Sibyl Canipe Brotherton/ORC// and Fax Number(s) Pretreatment/704-484-6857 / Other Facility Data Name, Address of Responsible David W Iiux,PO Box 207 Official/Title/Phone and Fax Number Contacted Shelby NC 281510207/Asst. Utilities Director1704-484-6840/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Self -Monitoring Program Laboratory Row Measurement Operations & Maintenance Records/Reports Sludge Handling Disposal 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/Offtce/Phone and Fax Numbers Date Maria Schutte Division of Water Quality/, 704-663-1699) Edward Watson MRO GWUI ro/zo / iC Ori A Tuvia I - MRO WQ/f704-683-1699/ • • Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date W. Corey Basinger) MRO WQ11704-235-2194/ . EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Z 1;• GT i/,4. Page# 1 NPDES yr/mo/day Inspection Type 31 NC0024538 111 121 1810118 117 1811_Q 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# 2 Permit: NC0024538 Owner - Facility: First Broad River WWTP Inspection Date: 10/18/2016 Inspection Type: Bioassay Compliance Permit i11 (If the present permit expires in 6 months or less). Has the permittee submitted a new application? Is the facility as described in the permit? # 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: The Division issued a permit modification on 8/12/2013 regarding the removal of instream sampling location #1. The lsubject permit expires on 8/31/2018. Record Keeping Yes No NA NE Are records kept a I'd maintained as required by the permit? • 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 Are analytical results consistent with data reported on DMRs? • 0 ❑ ❑ Is the chain -of -custody complete? • ❑ 0 0 Dates, times and location of sampling • Name of individual performing the sampling • Yes No NA NE ❑ ❑ 111 ❑ • ❑ ❑ ❑ II ❑ ❑ ❑ 111 ❑ ❑ ❑ ■ -D ❑ D 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 ❑ Has the facility submitted its annual compliance report to users and DWQ? • 0 0 ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator 0 0 � ❑ 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? 1 ❑ ❑ ❑ • ❑ ❑ ❑ 11 ❑ ❑ ❑ ▪ ❑ ❑ ❑ ❑ ❑ ❑ • Comment: The records reviewed during the inspection were organized and well maintained. DMRs. Bench sheets. COCs. ORC visitation logs and calibration Togs were reviewed for the period November 2015 through April 2016. Page# 3 Permit: NC0024538 Inspection Date: 10/18/2016 Owner - Facility: First Broad River WWrP Inspection Type: Bioassay Compliance 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 ■ ❑❑❑ • ❑ ❑ ❑ • ❑. ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ • ❑ ❑ ❑ III Comment: Influent and effluent analyses are performed under the City's laboratory certification #238. Shealy Environmental Services. Inc. (LTMP. low level mercury. metals. total nitrogen. total phosphorus) and Meritech. Inc. (toxicity) have also been contracted to provide analytical support. The laboratory instrumentation used for field analyses appeared to be properly calibrated/verified and documented. Influent Sampling # Is composite sampling flow proportional? Is sample collected above. side streams? Is proper volume collected? Is the tubing dean? # 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 ■ ❑❑❑ ■ ❑❑❑ ■❑❑❑ III ❑ ❑ ❑ • ❑ ❑ ❑ III ❑ ❑ ❑ Comment: The subject permit requires influent BOD and TSS composite samples. Monthly sampler aliquot verifications are performed and documented. At the time of the inspection the influent sampler aliquot was 140 ml. 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)? Yes No NA NE III ❑ ❑ ❑ • ❑ ❑ ❑ IN ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: The subject permit requires composite and grab effluent samples. Monthly sampler aliquot verifications are performed and documented. At the time of the inspection the effluent sampler aliquot was 210 mI. Page# 4 a, Permit: NC0024538 Inspection Date: 10/18/2016 Owner - Facility: First Broad River WWTP Inspection Type: Bioassay Compliance Effluent Sampling Yes No NA NE Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, and • 0 0 0 sampling location)?! Comment: Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 0 ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable II 0 0 0 Solids, pH, DO, Sludge Judge, and other that are applicable? Comment The facility appeared to be properly operated and well maintained. The ORC and staff incorporate a comprehensive process control program with all measurements being properly documented and maintained on -site. A SCADA system is used to assist the wastewater staff in the operation of the treatment units/processes including alarm conditions. Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? 0 • 0 0 Is flow meter calibrated annually? ❑ ❑ ❑ Is the flow meter operational? 0 0 0 (If units are separated) Does the chart recorder match the flow meter? 0 0 III ❑ Comment: The,flow meter is calibrated annually and was last calibrated on 3/29/2016 by Ken Nash Company. Inc. Bar Screens Type of bar screen a.Manual b.Mechanical Are the bars adequately screening debris? Is the screen free of excessive debris? Is disposal of screening in compliance? Is the unit in goodcondition? Comment: Mechanical bar screens with back up Manual Screen. Grit Removal Type of grit removal Yes No NA NE • • ■ ❑❑❑ III ❑ ❑ ❑ ▪ ❑ ❑ ❑ ■ ❑❑❑ Yes No NA NE Page# 5 Permit: NC0024538 Owner - Facility: First Broad River WWTP Inspection Date: 10/18/2016 Inspection Type: Bioassay Compliance Grit Removal Yes No NA NE a.Manual ❑ b.Mechanical Is the grit free of excessive organic matter? • ❑ 0 ❑ Is the grit free of excessive odor? • 0 0 ❑ # Is disposal of grit in compliance? • ❑ 0 0 Comment: Screenings and grit are disposed at an approved landfill. 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? •❑ ❑ ❑ Are all pumps present? • 0 ❑ 0 Are all pumps operable? • 0 0 ❑ Are float controls operable? • 0 ❑ 0 Is SCADA telemetry available and operational? • ❑ ❑ ❑ Is audible and visual alarm available and operational? • ❑ ❑ 0 Comment: Primary 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? M 0 0 0 Are weirs level? • ❑ 0 0 Is the site free of weir blockage? 11 0 0 0 Is the site free of evidence of short-circuiting? • 0 0 ❑ Is scum removal adequate? 111❑ ❑ ❑ Is the site free of excessive floating sludge? • 0 0 0 Is the drive unit operational? • 0 0 0 Is the sludge blanket level acceptable? • 0 0 0 Is the sludge blanket level acceptable? (Approximately %4 of the sidewall depth) 11 0 ❑ 0 Comment Both primaries were operational: however. only one was used in the time of the inspection. Aeration Basins Yes No NA NE Mode of operation Type of aeration system Diffused Page# • Permit: NC0024538 Owner - Facility: First Broad River WWTP inspection Date: 1018/2016 Inspection Type: Bioassay Compliance Aeration Basins Is the basin free of . ead spots? Are surface aerator! and mixers operational? Are the diffusers operational? 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? Is the DO level a ptable?(1.0 to 3.0 mg/l) Yes No NA NE II El a❑ ❑ ❑ ■ ❑ ■ ❑❑❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ El El • Comment: New 0.75 MG aeration basin with 0.125 MG anoxic and 0.625 MG aerobic zones, were installed since the last inspection. Secondary Clarifier Is the clarifier free of black and odorous wastewater? 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? Is the site free of e;l idence 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)? Is the overflow clear of excessive solids/pin floc? Is the sludge blanket level acceptable? (Approximately % of the sidewall depth) Comment: All four secondaries were operational: however, only two were in service. Pumps-RAS-WAS Are pumps in place? Are pumps operational? Are there adequate spare parts and supplies on site? Comment: Disinfection -Gas Are cylinders secured adequately? Are cylinders protected from direct sunlight? Is there adequate lreserve supply of disinfectant? Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ :❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ IN ❑ ❑ ❑. Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 7 Permit: NC0024538 Inspection Date: 10/18/2016 Owner - Facility: First Broad River WWTP Inspection Type: Bioassay Compliance Disinfection -Gas Yes No NA NE 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 Does the Stationary Source have more than 2500 Ibs of Chlorine (CAS No. 7782-50-5)? • 0 0 0 If yes, then is there a Risk Management Plan on site? • 0 ❑ 0 If yes, then what is the EPA twelve digit ID Number? (1000- ) 1000-0010-0927 If yes, then when was the RMP last updated? 07/01/2016 Comment: De -chlorination Type of system ? Is the feed ratio proportional to chlorine amount (1 to 1)? Is storage appropriate for cylinders? # Is de -chlorination substance stored away from chlorine containers? Are the tablets the proper size and type? Comment: Stored in the same building. Are tablet de -chlorinators operational? Number of tubes in use? Comment: Flow Measurement - Effluent # Is flow meter used for reporting? Is flow meter calibrated annually? Is the flow meter operational? (If units are separated) Does the chart recorder match the flow meter? Yes No NA NE Gas ■❑❑❑ ■ ❑ ❑❑ ❑ 1 ❑ ❑ ❑ ❑ 11 ❑ ❑ ❑■❑ Yes No NA NE ■ ❑❑❑ ■ ❑❑❑ ▪ ❑ ❑ ❑ ❑ ❑ ■❑ Comment: The flow meter is calibrated annually and was last calibrated on 3/29/2016 by Ken Nash Company, Inc. Effluent Pipe Is right of way to the outfall properly maintained? Are the receiving water free of foam other than trace amounts and other debris? If effluent (diffuser pipes are required) are they operating properly? Yes No NA NE • ❑ ❑ ❑ ▪ ❑ ❑ ❑ ❑ ❑ 11 ❑ Page# 8 Permit: NC0024538 Inspection Date: 10/18/2018 Inspection Type: Bioassay Compilanoe Owner - Facility: First Broad River WWTP Effluent Pipe •Yes No NA NE Comment: The effluent appeared clear with no floatable solids or foam. The receiving stream did not appear to be negatively impacted. Solids Handling. Equipment Yes No NA NE Is the equipment operational? • 0 0 ❑ Is the chemical feed equipment operational? • ❑ 0 ❑ Is storage adequate? 0 ❑ Is the site free of high level of solids in filtrate from filter presses or vacuum filters? ❑ ❑ 0 • Is the site free of sludge buildup on belts and/or rollers of filter press? 0 ❑ 0 II Is the site free of excessive moisture in belt filter press sludge cake? 0 0 ❑ II The facility has an approved sludge management plan? •❑ 0 0 Comment: Waste activated sludge is thickened (via two gravity thickenerslprior to being combined with the primary sludge in the aerated sludge holding tank. Both belt presses were operational: Dewatered solids are composted and distributed to the public under the authority of Permit No. VVQ0007780. Standby Power Yes No NA NE Is automatically activated standby power available? • ❑ 0 0 Is the generator tested by interrupting primary power source? • ❑ ❑ 0 Is the generator tested under load? • 0 0 ❑ Was generator tested & operational during the inspection? 0 ❑ 0 • Do the generator{s have adequate capacity to operate the entire wastewater site?• 0 0 ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power? • 0 0 0 Is the generator fuel level monitored? • Cl 0 ❑ Comment: Both backup generators are tested under load annually (minimum) and serviced by a contract company (CAT) quarterly. The facility also participates in a peak shaving program. Page# 9