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Home My WebLink AboutNC0021181_Inspection_20170126NPDES DOCYNENT SCANNINS COVER :MEET NPDES Permit: NC0021181 Belmont 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: January 26, 2017 ThiB docuanent IM printed on re -"Me paper - IaXXore any contest on the re-%rerise aide ROY COOPER Govemor I " Environmental Quality January 26, 2017 Mr. Barry Webb, City Manager City of Belmont P.0 Box 431 Belmont, NC 28012 MICHAEL S. RRGAN S—tary S. JAY ZIMMERMAN Dimcior RECEIVEDUDEUDWR JAN 31 2017 Water Quality Permitting Section Subject: Compliance Evaluation Inspection Belmont WWTP NPDES Permit No. NCO021181 Gaston County Dear Mr. Webb: Enclosed is a copy of the Compliance Evaluation Inspection for the inspection conducted at the subject facility on January 19i 2017, by Ori Tuvia. Sandra Craft'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 repot. The main area of concern is that at the time of the inspection the facility did not have a copy of the 2016 Annual Report. Once the Annual report please send me a copy for review via email. If you any questions, please contact Ori Tuvia at (704) 235-2190, or via email at ori.tuvia(a ncdenr.gov. Cc: NPDES MRO Files Sincerely, Ori Tuvia, Environmental Engineer Mooresville Regional Office Division of Water Resources, DEQ Mooresville Regional Office Location: 610 East Center Ave., Suite 301 Mooresville, NC 28115 Phone: (704) 663.16991 Fax: (704) 663.60401 Customer Service:1-877-623-6748 Internet: www.ncwaterqual'4.org United States Environmental Protection Agency Forth 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 2 15 1 3 1 NCW21181 111 12 17/01/19 17 18 ICI 19 I g I 20 LJ 21111111 1111111 11 11 111 1111 1 1 11111 1111111 11 126 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 67 1.0 70 J�j 71 L 72 LNJ 73LLJ74 75 LJ_U80 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry rime/Date Permit Effective Date POTW name and NPDES Dermit Number) 10:05AM 17/01/19 06/02/01 Belmont WWTP 298 Parkdale Rd Exit Time/Date Permit Expiration Date Belmont NC 28012 12:25PM 17/01/19 10/06/30 Name(s) of Onsite Representative(s)/T'dEes(s)/Phone and Fax Number(s) Other Facility Data 111 Sandra Marie Craft/ORCJ704-825-3791/ Name, Address of Responsible OffidaUT'dle/Phone and Fax Number Contacted Barry L Webb,PO Box 431 Belmont NC 280120431/City Manager/704-825-5588/7048250514 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & MaintenancE Records/Reports Self -Monitoring Program Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters Laboratory Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checdists as necessary) (See attachment summary) Name(s) and Signature(s) of Inspector(s) Agency/Office/Phons and Fax Numbers Date Od A Tuvia MRO WQ/1704-663-1699/ Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date W. Corey Basinger MRO WQ//704-235-2194/ EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. I1�C-08rJQ • ev►R-' NR� Page# NPDES 31 NCO021181 I11 yr/mo/day Inspection Type 12 17/01/19 17 18 1 C 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCO021181 Owner - Facility: Belmont WWTP Inspection Date: 01/1912017 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 ❑ ❑ M ❑ application? Is the facility as described in the permit? ❑ ❑ ❑ # 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 subject permit expired on 6/30/2010: however. the Division received the permit renewal application package on 1/5/2010. The facility continues to adhere to the requirements of this permit until a new permit is reissued. The'City implements an approved industrial pretreatment program. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? M ❑ ❑ ❑ Is all required information readily available, complete and current? 0 ❑ ❑ ❑ Are all records maintained for 3 years (lab. rag. required 5 years)? ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑ 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 ❑ Are DMRs complete: do they include all permit parameters? 0 ❑ ❑ ❑ 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? 0 ❑ ❑ ❑ 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? 0 ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? ❑ 0 ❑ ❑ Comment: The records reviewed during the inspection were organized and well maintained. DMRs. COC. ORC logs and process control data were reviewed for the period January 2016 through October 2016. At the time of the inspection the facility did not have a cop, of f the 2016 Annual Report. Page# 3 Permit: NC0021181 Owner -Facility: Belmont wWTP Inspection Date: 01/19/2017 Inspection Type: Compliance Evaluation Record Keeping - 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 ■ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ Comment: Influent and effluent analyses (including field) are performed by Shealy Environmental Services, Inc. (Certification #329). ETT Environmental, Inc. (toxicity) has also been contracted to provide analytical support. Influent Sampling Yes No NA NE # Is composite sampling flow proportional? M ❑ ❑ ❑ Is sample collected above side streams? 0 ❑ ❑ ❑ Is proper volume collected? M ❑ ❑ ❑ Is the tubing clean? N ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑ Celsius)? Is sampling performed according to the permit? ❑ ❑ ❑ Comment: The sub)ect permit requires composite BOD and TSS influent samples. Aliquot sampling collected was 152 ml. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ ❑ Is sample collected below all treatment units? ❑ ❑ ❑ Is proper volume collected? M ❑ ❑ ❑ Is the tubing clean? ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑ Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: The subject permit reauires composite and grab effluent samples. Aliquot sampling_ collected was 149 mi. Weekly aliauot verfications are performed and documented on both samplers (influent_ and effluent). Page# 4 Permit: NCO021181 Owner - Facility: Belmont WWrP Inspection Date: 01/19/2017 Inspection Type: Compliance Evaluation 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 ❑ ❑ ❑ sampling location)? Comment: Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? N ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable N ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: Thelacility 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. 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? ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? N ❑ ❑ ❑ Comment: Grit Removal Yes No NA NE Type of grit removal a.Manual ❑ b.Mechanical Is the grit free of excessive organic matter? N ❑ ❑ ❑ Is the grit free of excessive odor? 0 ❑ ❑ ❑ # Is disposal of grit in compliance? 0 ❑ ❑ ❑ Comment: Screenings and grit are disposed at the County Landfill Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? ❑ N ❑ ❑ Page# 5 Permit: NCO021181 Owner - Facility: Belmont VUwTP Inspection Date: 01/19/2017 Inspection Type: Compliance Evaluation Flow Measurement - Influent Yes No NA NE Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ME]. Comment: The influent flow meter is calibrated quarterly and was last calibrated on 11/3/2016 by Ken Nash Company. Inc Aeration Basins Mode of operation Type of aeration system Is the basin free of dead spots? Are surface aerators 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 acceptable?(1.0 to 3.0 mg/l) Yes No NA NE Ext. Air Surface 0❑ ❑❑ ■ ❑ Cl ❑ ❑ ❑ M ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ M ❑ Comment: The facility is equipped with two aeration basins (inactive aertion basin need minor repairs): however, only one aeration basin is used due to low influent flows. Sodium hydroxide is added to the influent prior to the aeration basin to maintain appropriate alkalinity/aH levels._ Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? N ❑ 110 Is the site free of excessive buildup of solids in center well of circular clarifier? M ❑ ❑ ❑ Are weirs level? 0 ❑ ❑ ❑ Is the site free of weir blockage? 0 ❑ ❑ ❑ Is the site free of evidence of short-circuiting? M ❑ ❑ ❑ Is scum removal adequate? 0 ❑ ❑ ❑ Is the site free of excessive floating sludge? M ❑ ❑ ❑ 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) 0 ❑ ❑ ❑ Comment: Both secondaries were operational and in service. Page# 6 N Permit: NCO021181 Inspection Date: 01/19/2017 Owner - Facility: Belmont WWTP Inspection Type: Compliance Evaluation Pumps-RAS-WAS Yes No NA NE Are pumps in place? ❑ ❑ ❑ Are pumps operational? ❑ ❑ ❑ Are there adequate,spare parts and supplies on site? 0 ❑ ❑ ❑ Comment: Disinfection -Gas Yes No NA NE Are cylinders secured adequately? 0 ❑ ❑ ❑ Are cylinders protected from direct sunlight? 0 ❑ ❑ ❑ Is there adequate reserve supply of disinfectant? ❑ ❑ ❑ Is the level of chlorine residual acceptable? 0 ❑ 1111 Is the contact chamber free of growth, or sludge buildup? ❑ ❑ ❑ Is there chlorine residual prior to de -chlorination? 0 ❑ ❑ ❑ Does the Stationary, Source have more than 2500 lbs of Chlorine (CAS No. 7782-50-5)? 0 ❑ ❑ ❑ If yes, then is there,a Risk Management Plan on site? N ❑ . ❑ ❑ If yes, then what is the EPA twelve digit ID Number? (1000- -. 1000-0000-7244 If yes, then when was the RMP last updated? 03/01/2014 Comment: The chlorination and dechlorination systems are serviced annually by a contracted company. De -chlorination Yes No NA NE Type of system.? Gas Is the feed ratio proportional to chlorine amount (1 to 1)? N ❑ ❑ ❑ Is storage appropriate for cylinders? 0 ❑ 0 ❑ # Is de -chlorination substance stoned away from chlorine containers? E ❑ ❑ ❑ Comment: Are the tablets the proper size and type? ❑ ❑ 0 ❑ Are tablet de-chloriI nators operational? ❑ ❑ N ❑ Number of tubes in use? Comment: Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? 0 ❑ ❑ ❑ Is flow meter calibrated annually? ❑ ❑ ❑ Page# 7 Permit: NCO021181 Owner -Facility: Belmont WWTP Inspection Hate: 01/19/2017 Inspection Type: Compliance Evaluation Flow Measurement - Effluent- Yes No NA NE Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ M ❑ Comment: The effluent flow meter is calibrated auarterly and was last calibrated on 11/3/2016 by Ken Nash Company, Inc 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? ❑ ❑ N ❑ Comment: The effluent appeared clear with no floatable solids or foam. Aerobic Digester Yes No NA NE Is the capacity adequate? 0 ❑ ❑ ❑ Is the mixing adequate? ❑ ❑ ❑ Is the site free of excessive foaming in the tank? M ❑ ❑ ❑ # Is the odor acceptable? 0 ❑ ❑ ❑ # Is tankage available for properly waste sludge? 0 ❑ ❑ ❑ Comment: The facility is equipped with two aerobic digestors and a sludge holding tank. The drving beds have been taken out of service for several years. Digested bio-solids are land applied by a contract company under the authority of Permit No. WQ0003281. Standby Power Yes No NA NE Is automatically activated standby power available? M ❑ ❑ ❑ Is the generator tested by interrupting primary power source? 0 ❑ ❑ ❑ Is the generator tested under load? 0 ❑ ❑ ❑ Was generator tested & operational during the inspection? 0 ❑ ❑ ❑ Do the generator(s) have adequate capacity to operate the entire,wastewater site? 0 ❑ ❑ ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power? 0 ❑ ❑ ❑ Is the generator fuel level monitored? M ❑ ❑ ❑ Comment: The facility is equipped with one standby generator that is tested weekly and put under load _ monthly. The City also participates in the load management program. Generator last maintenance check was on 7/25/2016. Page# 8 r1