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HomeMy WebLinkAboutNC0028916_Inspection_20080915OFW • O� -- `OG 7 r- E. Gray Walls Town of Troy 444 N Main St Troy, NC 27371 SUBJECT: Dear Mr. Walls: H Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Coleen H. Sullins, Director Division of Water Quality September 15, 2008 September 9, 2008 Compliance Evaluation Inspection Town of Troy Troy WWTP Permit No: NC0028916 Montgomery County Enclosed please find a copy of the Compliance Evaluation Inspection form from the inspection conducted on September 9, 2008. The Compliance Evaluation Inspection was conducted by Mark Brantley, Environmental Chemist, of the Fayetteville Regional Office. The facility was found to be in Compliance with permit NC0028916. The cooperation of Mr. Joe Shields, Grade III ORC, was greatly appreciated. As a reminder, preservation of the Waters of the State can only be achieved through consistent NPDES Permit compliance. Please refer to the enclosed inspection report for additional observations and comments. If you or your staff have any questions, please call me at 910-433-3327. Comments Facility was clean and neat in appearance at the time of the inspection. Facility no longer has a backup gas .chlorine feed system. If the UV system was to fail the facility will chlorinate and dechlorinate with tablets. Sincerely, _ Mark Brantley Environmental Chemist Surface Water Protection Section Fayetteville Regional Office cc: Joseph Edward Shields, ORC Central Files Fayetteville Files One" NorthCarolina Naturally North Carolina Division of Water Quality/Aquifer Protection Section 225 Green St./ Suite 714 Fayetteville, NC 28301 Phone (910) 433-3300 FAX (910) 486-0707 Internet: h2o.enr.state.nc.us Customer Service 1-877-623-6748 An Equal Opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper United States Environmental Protection Agency EP /� Washington, D.C. 20460 !'1 • Water Compliance Inspection Report Form Approved. OMB No. 2040 0057 Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code NPDES yr/mo/day Inspection 1 I N1 2 151 31 NC0028916 111 121 08/09/09 1 17 Type Inspector Fac Type 181 CI 191 SI 201 1 1 1 1 1 I III 1 1 1 1 1 1.166 • Remarks 211 I I I I 'I I III 1 1 1 1 1 1 IIII 1 1 1 1 1 1 1 1 till Inspection Work Days - Facility Self -Monitoring Evaluation Rating B1 • QA Reserved 671 1 69 701 31 711 N 1 721 NI 731 1 174 781 1 1 I 1 1 1 1 80 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Number) Troy WWTP- 650 Glen Rd Troy NC 27371 Entry Time/Date . 10:00 AM 08/09/09 Permit Effective Date 04/08/01 Exit Time/Date 12:15 PM 08/09/09 Permit Expiration Date 09/06/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// • Joseph Edward Shields/ORC/910-572-3661/ Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted E. Gray Walls,444 N Main St Troy NC 27371//910-572-7841/9105723663 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 • Compliance Schedules Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) 1 . Name(s) and-Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers • Date Mark Brantley FRO WQ//910-433-3300 Ext.727/ 2 6 cf-/s -vY Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date Belinda S Henson 44�v FRO WQ//910-433=3300 Ext.726/ q` /G - op EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page # 1 3I NPDES yr/mo/day Inspection Type NC0028916 I11 12I 08/09/09 17 181 C1 1 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. Facility no longer has a backup gas chlorine feed system. If the UV system was to fail the facility will chlorinate and dechlorinate with tablets. Page # 2 Permit: NC0028916 Owner - Facility: Troy WWTP Inspection Date: 09/09/2008 Inspection Type: Compliance Evaluation Compliance Schedules Yes No NA NE Is there a compliance schedule for this facility? , n n • n Is the facility compliant with the permit and conditions for the review period? ■ Q ❑ I] Comment: Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? ■ n n Does the facility analyze process control parameters,' for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge ® n n n 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 application? n n fe n Is the facility as described in the permit? • n n n # Are there any special conditions for the permit? ❑ n ■ n Is access to the plant site restricted to the general public? ■ n n n Is the inspector granted access to all areas for inspection? Ni ❑ ❑ ❑ Comment: Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • n n n Is all required information readily available, complete and current? • n n n Are all records maintained for 3 years (lab. reg. required 5 years)? ■ n n n Are analytical results consistent with data reported on DMRs? Finns Is the chain -of -custody complete? • ❑ ❑ n Dates, times and location of sampling n Name of individual performing the sampling n Results of analysis and calibration n Dates of analysis n Name of person performinganalyses n Transported COCs n Are DMRs complete: do they include all permit parameters? n n n B Has the facility submitted its annual compliance report to users and DWQ? * n n n (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator on each shift? ❑ n Ng n Page # 3 Permit: NC0028916 Owner - Facility: Troy WWTP Inspection Date: 09/09/2008 Inspection Type: Compliance Evaluation . Record Keeping Yes No NA NE Is the ORC visitation log available and current? ® ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? .E ❑ ❑ n Is the backup operator certified at one grade less or greater than the facility classification? ■ n n n Is a copy of the current NPDES permit'available on site? ® n n ❑ Facility has copy of previous year's Annual Report on file for review? n n ® ❑ Comment: Flow Measurement - Influent • Yes No NA NE # Is flow meter used for reporting? ■ ❑ ❑ 11 Is flow meter calibrated annually? • ❑ ❑ ❑ Is the flow meter operational? • n n (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ ■ ❑ Comment: Flow meter was last calibrated on March 13, 2008 by plant staff. Aerobic Digester Yes No NA NE Is the capacity adequate? ®❑ n n Is the mixing adequate? ® ❑ n ❑ Is the site free of excessive.foaming in the tank? • ❑ n n # Is the odor acceptable? ■ ❑ n n # Is tankage available for properly waste sludge? E ❑ ❑ ❑ 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? ® n n n Are all pumps present? ■ ❑ n n Are all pumps operable? • ❑ ❑ Are float controls operable? ® ❑ ❑ n Is SCADA telemetry available and operational? , 1 n n n Is audible and visual alarm available and operational? ❑ ❑ n Comment: Bar Screens Yes No NA NE Type of bar screen Page # 4 Permit: NC0028916 Owner - Facility: Troy WWTP Inspection Date: 09/09/2008 Inspection Type: Compliance Evaluation Bar Screens 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 good condition? Comment: Grit Removal Type of grit removal a.Manual b.Mechanical Is the grit free of excessive organic matter? Is the grit free of excessive odor? # Is disposal of grit in compliance? Comment: Equalization Basins Is the basin aerated? Is the basin free of bypass lines or structures to the natural environment? Is the basin free of excessive grease? Are all pumps present? Are all pumps operable? Are float controls operable? Are audible and visual alarms operable? # Is basin size/volume adequate? Comment: 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? Yes No NA NE n Yes No NA NE Yes No NA NE n n ■ n ® nnn tinnn . n n ■ n n n ® n n n■n n n■n ■ nnn Yes No NA NE ■ n n n ■ n n n ® nnn nnn Page # 5 Permit: NC0028916 Owner - Facility: Troy WWTP Inspection Date:. 09/09/2008 Inspection Type: Compliance Evaluation Secondary Clarifier Yes No NA NE Is the site free of evidence of short-circuiting? ■ n n n Is scum removal adequate? ■ ❑ ❑ n Is the site free of excessive floating sludge? Ennn Is the drive unit operational? ■ ❑ n ❑ Is the return rate acceptable (low turbulence)? ® n ❑ n Is the overflow clear of excessive solids/pin floc? ® n n n Is the sludge blanket level acceptable? (Approximately'/a of the sidewall depth) ® n n n Comment: Oxidation Ditches . Yes No NA NE Are the aerators operational? ,■ ❑ n ❑ • Are the aerators free of excessive solids build up? ■ ❑ n # Is the foam the proper color for the treatment process? ■ n ❑ n Does the foam cover less than 25% of the basin's surface? i n n 0 . Is the DO level acceptable? Ennn Are settleometer results acceptable (> 30 minutes)? ■ n n n Is the DO level acceptable?(1.0 to 3.0 mg/I) n ❑ ❑ ■ Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes) n n n ■ Comment: Disinfection - UV Yes No NA NE Are extra UV bulbs available on site? ■ n n n Are UV bulbs clean? E n n n Is UV intensity adequate? © ❑ n ❑ Is transmittance at or above designed level? ® n n .n Is there a backup system on site? ■ n n n Is effluent clear and free of solids? ® n n n Comment: If the UV system was to fail this facility can chlorinate and dechlorinate with tablets. Standby Power Yes No NA NE Is automatically activated standby power available? . ® ❑ ❑ ❑ Is the generator tested by interrupting primary power source? ® ❑ n ❑ Page # 6 Permit: NC0028916 Owner - Facility: Troy WWTP Inspection Date: 09/09/2008 Inspection Type: Compliance Evaluation Standby Power Yes No NA NE Is the generator tested under load? ® n ❑ Was generator tested & operational during the inspection? Q ❑ ❑ ■ 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: Influent Sampling Yes No NA NE # Is composite sampling flow proportional? ❑ ❑ ❑ Is sample collected above side streams? ■ ❑ ❑ ❑ Is proper volume collected? • n fl ❑ Is the tubing clean? • ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? • n nEl Is sampling performed according to the permit? i ❑ nrl Comment: Effluent Sampling Yes No NA NE Is composite sampling flow proportional? • ❑ El ■ Is sample collected below all treatment units? • ❑ ❑ ❑ Is proper volume collected? - • Q n ❑ . Is the tubing clean? • [I ❑ ❑ # 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)? • ❑ Q n Comment: Upstream/ Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, and sampling location)? i 0 Comment: Page # 7