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HomeMy WebLinkAboutNC0066516_Compliance Evaluation Inspection_20180301 ROY COOPER Gove,not MICHAEL S REGAN Sec,eta,y Water Resources - S JAY ZIMMERMAN ENVIRONMENTAL QUALITY Du ectot 1 March 1, 2018 Chris Grimes Town of Fuquay-Varma 401 Old Honeycutt Road RECEIVED/DENR1"R Fuquay-Vanna,NC 27526 Subject Compliance Evaluation Inspection MAR 13 2018 Terrible Creek WWTP NPDES Permit No NC0066516 Water Resourc on Wake County permitting Dear Mr Grimes On February 22, 2018,Andy Neal of the Raleigh Regional Office(RRO) conducted an inspection at the subject facility The cooperation of Mr Adam Stephenson, operator in responsible charge(ORC) of the facility, along with several other facility crew members, was appreciated Fmdmgs during the inspection were as follows 1 Your NPDES permit was issued effective January 1, 2016 and expires on April 30, 2019 2 The 1 0 MGD treatment plant consists of a mechanical bar screen, influent pump station, solids cutter, flow splitter box, dual surge tanks, biological reactor, dual aeration basins, three clarifiers, two sludge holding tanks, three tertiary filters, flow meter, two UV disinfection banks,post aeration, on-site generator for back-up power 3 At the time of inspection, the plant was experiencing a major upgrade and preparing to shift from the current 1 0 MGD system to a new 3 0 MGD system The current system was operatmg at approximately 0 78 MGD at the time of inspection All aeration basins, clarifiers,tertiary filters, and UV banks were in use and seemed to be operating properly Weirs m the secondary clanfier were clean with no obstruction blocking flow Activated sludge is digested then gravity thickened and land applied by McGill Environmental Systems of NC, Inc ,permit number WQ0006816 Effluent at the discharge point appeared clear with no observed negative effects to the receiving stream, Terrible Creek 4 Mr Stephenson explained that the plant expansion will include upgrades of a SCADA system, large and small bar screens and grit classifier, and two gravity belt thickeners McGill will continue to manage sludge handling 5 Commercial lab results, chain of custody records, and bench sheets were compared with data submitted on the DMRs for the months of April 2016 and June 2017 No discrepancies were noted Terrible Creek WWTP laboratory analyzes the following parameters pH,DO, temperature.Mentech analyzes all other parameters 6 Discharge Monitoring Reports (DMRs) for the period March 2015 through December 2017 were reviewed for compliance with permit limits and monitoring requirements Violations noted are Di ision of Water Resources,Raleigh Regional Office,Water Quality Opeiations Section http//poital ncdeni org/web/wqraps 1628 Mail Ser'.ice Center,Raleigh,NC 27699-1628 Phone (919)791-4200 Location 3800 Barrett Drive,Raleigh NC 27609 Fax (919)788-7159 Terrible Creek WWTP—NC0066516 Compliance Evaluation Inspection—page 2 of 2 listed in the table below Each of these violations has been addressed through a separate correspondence DMR Date Violation Type Parametet Action Limit Value Reported Value Jun-16 6/4/16 Frequency NO2+NO;as Total N NOV Jul-16 7/2/16 Frequency NH;as N NOV Sep-16 9/30/16 Frequency Flow NOV Sep-16 9/30/16 Frequency Total N NOV Sep-16 9/30/16 Frequency Zinc NOV Dec-16 12/31/16-- --- Frequency - -7-day Chronic Cenodaphnia NOV Apr-17 4/29/17 Limit Fecal Coliform NOV 400 468 95 May-17 5/20/17 Limit Fecal Coliform NOD 400 419 18 I would like to thank all staff involved with this inspection for their time and assistance If you have questions concerning this report or inspection, please contact Andy Neal at 919-791-4258 or andy neal@ncdenr gov 3cer- S Daniel Smith, Regional Supervisor Water Quality Regional Operations Section cc RRO, SWP Central Files EPA 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 I 2 I5 3 l NC0066516 111 12 1 18/02/22 117 18 I c I 19 I s I 20I I 21I11I11 IIII1IIII11II1IIII IIIII111IIIIIIIIII 166 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA -------- Reserved-------------- 671 70I 1 71 1 I 72 1 �, 731 I 174 751 1 1 1 1 1 1 180 Section B Facility Data I I 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) 01 30PM 18/02/22 16/01/01 Terrible Creek WWTP Exit Time/Date Permit Expiration Date NCSR 2751 Hilltop Rd 03 30PM 18/02/22 19/04/30 Fuquay Varina NC 27526 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Adam Parker Stephenson/ORC// Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Adam Mitche11,401 Old Honeycutt Rd Fuquay Varina NC 27526//919-552-1401/9195527481 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 NECompliance Schedules • Effluent/Receiving Waters ® Laboratory 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 Andrew W Neal RRO WQ//919-791-4248/ Sit .cure of Management m'A Reviewer; Agency/Office/Phone and Fax Numbers Date G`i/2satro .rte P , �' EPA Form 3:60-3(Rev 9-94)Previous editions are obsolete Page# 1 NPDES yr/mo/day Inspection Type (Cant) 1 31 NC0066516 I11 121 18/02/22 117 18 [ Section D Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) 1 Your NPDES permit was issued effective January 1, 2016 and expires on April 30, 2019 2 The 1 0 MGD treatment plant consists of a mechanical bar screen, influent pump station, solids cutter, flow splitter box, dual surge tanks, biological reactor, dual aeration basins, three clarifiers, two sludge holding tanks, three tertiary filters, flow meter, two UV disinfection banks, post aeration, on-site generator-for-back-up power - - _ _ _ ____ 3 At the time of inspection, the plant was experiencing a major upgrade and preparing to shift from the current 1 0 MGD system to a new 3 0 MGD system The current system was operating at approximately 0 78 MGD at the time of inspection All aeration basins, clarifiers, tertiary filters, and UV banks were in use and seemed to be operating properly Weirs in the secondary clarifier were clean with no obstruction blocking flow Activated sludge is digested then gravity thickened and land applied by McGill Environmental Systems of NC, Inc, permit number WQ0006816 Effluent at the discharge point appeared clear causing no negative effects in the receiving stream, Terrible Creek 4 Mr Stephenson stated that the plant expansion will include upgrades of a SCADA system, large and small bar screens and grit classifier, two gravity belt thickeners, and more McGill will continue to manage sludge handling 5 Commercial lab results, chain of custody records, and bench sheets were compared with data submitted on the DMRs for the months of April 2016 and June 2017 No discrepancies were noted Terrible Creek WVVTP laboratory analyzes the following parameters pH, DO, temperature Mentech analyzes all other parameters 6 Discharge Monitoring Reports (DMRs)for the period March 2015 through December 2017 were reviewed for compliance with permit limits and monitoring requirements Violations noted are listed in the table below Each of these violations has been addressed through a separate correspondence Page# 2 Permit NC0066516 Owner-Facility Terrible Creek WWTP Inspection Date 02/22/2018 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 ❑ 0 ■ ❑ application'? Is the facility as described in the permit'? ❑ 0 0 ❑ #Are there any special conditions for the permit'? ❑ El II El Is access to the plant site restricted to the general public'? ® 0 0 0 Is the inspector granted access to all areas for inspection'? ® 0 0 0 Comment Compliance Schedules Yes No NA NE Is there a compliance schedule for this facility'? 0 0 • 0 Is the facility compliant with the permit and conditions for the review period'? ❑ ❑ • 0 Comment Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping'? I 0 0 0 Does the facility analyze process control parameters,for ex MLSS, MCRT, Settleable ® 0 0 0 Solids, pH, DO, Sludge Judge,and other that are applicable'? Comment 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'? ® 0 0 0 Are all pumps present'? ® 0 0 0 Are all pumps operable'? al 0 0 0 Are float controls operable'? I ❑ ❑ ❑ Is SCADA telemetry available and operational'? ❑ ❑ El Is audible and visual alarm available and operational'? 111 ❑ ❑ ❑ Comment Influent Sampling{ Yes No NA NE #Is composite sampling flow proportional'? 0 ❑ ® 0 Is sample collected above side streams'? • El 0 0 Is proper volume collected'? MI 0 0 0 Is the tubing clean'? MI ❑ 0 0 Page# 3 • N. , Permit NC0066516 Owner-Facility Terrible Creek WTP W Inspection Date 02/22/2018 Inspection Type Compliance Evaluation Influent Sampling Yes No NA NE #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 Bar Screens Yes No NA NE Type of bar screen a Manual 0 b Mechanical 0 Are the bars adequately screening debris'? ® 0 0 0 Is the screen free of excessive debris? ® 0 0 0 Is disposal of screening in compliance? ® ❑ ❑ 0 Is the unit in good condition? I 0 0 0 Comment Grit Removal Yes No NA NE Type of grit removal a Manual 0 b Mechanical 0 Is the grit free of excessive organic matter? 0 0 E 0 Is the grit free of excessive odor? ❑ ❑ ® 0 #Is disposal of grit in compliance? 0 0 E 0 Comment Grease Removal Yes No NA NE- #Is automatic grease removal present? 0 0 E ❑ Is grease removal operating properly'? ❑ ❑ ® ❑ Comment Equalization Basins Yes No NA NE Is the basin aerated'? M 0 0 0 Is the basin free of bypass lines or structures to the natural environment'? E 0 0 0 Is the basin free of excessive grease'? E 0 0 0 Page# 4 Permit NC0066516 Owner-Facility Terrible Creek WWTP Inspection Date 02/22/2018 Inspection Type Compliance Evaluation Equalization Basins Yes No NA NE Are all pumps present'? ■ 0 0 ❑ Are all pumps operable'? I ❑ ❑ ❑ Are float controls operable'? • 000 Are audible and visual alarms operable'? • ❑ ❑ ❑ #Is basin size/volume adequate'? • ❑ ❑ ❑ Comment Aeration Basins Yes No NA NE Mode of operation Type of aeration system Is the basin free of dead spots'? ® ❑ ❑ ❑ Are surface aerators and mixers operational'? ® ❑ 0 0 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'? ® ❑ ❑ 0 Is the DO level acceptable?(1 0 to 3 0 mg/I) ❑ ❑ ❑ 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'? U ❑ ❑ ❑ Are weirs level'? ® ❑ ❑ ❑ Is the site free of weir blockage'? E ❑ ❑ ❑ Is the site free of evidence of short-circuiting? ® ❑ ❑ ❑ Is scum removal adequate'? ® ❑ ❑ ❑ Is the site free of excessive floating sludge'? E ❑ ❑ ❑ Is the drive unit operational'? E ❑ ❑ ❑ Is the return rate acceptable(low turbulence)? E ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc'? M ❑ ❑ ❑ Is the sludge blanket level acceptable'?(Approximately 1/4 of the sidewall depth) ❑ ❑ 0 Comment Sludge blanket thickness was approximately 8 feet in clarifiers#1 and#3, and approximately 9 feet in depth in#2 All clarifiers are approximately 15'deep Mr Stephenson stated this is the proper amount of blanket for their mixed liquor to operate properly Page# 5 Permit NC0066516 Owner-Facility Terrible Creek WWTP Inspection Date 02/22/2018 Inspection Type Compliance Evaluation Secondary Clarifier Yes No NA NE Pumps-RAS-WAS Yes No NA NE Are pumps in place'? U ❑ ❑ ❑ Are pumps operational'? 11000 -----__-_. -Are there adequate spare parts and supplies on site'? ® ❑ ❑ ❑ Comment Aerobic Digester Yes No NA NE Is the capacity adequate'? ® 000 Is the mixing adequate'? MOOD Is the site free of excessive foaming in the tank'? C ❑ ❑ ❑ #Is the odor acceptable'? ® ❑ ❑ ❑ #Is tankage available for properly waste sludge'? 111101:10 Comment Solids Handling Equipment Yes No NA NE Is the equipment operational'? ❑ ❑ 011 Is the chemical feed equipment operational'? ❑ ❑ 011 Is storage adequate'? 000111 Is the site free of high level of solids in filtrate from filter presses or vacuum filters'? LI 000 Is the site free of sludge buildup on belts and/or rollers of filter press'? ❑ ❑ 011 Is the site free of excessive moisture in belt filter press sludge cake'? DUDE The facility has an approved sludge management plan'? ' ❑ ❑ ❑ Comment Filtration (High Rate Tertiary) Yes No NA NE Type of operation Down flow Is the filter media present'? 000 Is the filter surface free of clogging'? MI 000 Is the filter free of growth'? 000 Is the air scour operational'? DOD Is the scouring acceptable'? 6S 000 Is the clear well free of excessive solids and filter media'? MOOD Page# 6 Permit NC0066516 Owner-Facility Terrible Creek WWTP Inspection Date 02/22/2018 Inspection Type Compliance Evaluation Filtration (High Rate Tertiary) Yes No NA NE Comment Disinfection -UV Yes No NA NE Are extra UV bulbs available on site'? III 000 Are UV bulbs clean'? ® 000 Is UV intensity adequate'? • 000 Is transmittance at or above designed level'? i 000 Is there a backup system on site'? I 0 ❑ ❑ Is effluent clear and free of solids'? I 0 0 0 Comment Chemical Feed Yes No NA NE Is containment adequate'? ® 000 Is storage adequate'? I 0 ❑ ❑ Are backup pumps available'? ® 000 Is the site free of excessive leaking'? ® 000 Comment Alum is added for phosporous removal Nutrient Removal Yes No NA NE #Is total nitrogen removal required'? 111000 #Is total phosphorous removal required'? ® ❑ ❑ ❑ Type Chemical #Is chemical feed required to sustain process'? U 0 ❑ ❑ Is nutrient removal process operating properly'? 000 Comment Pump Station -Effluent Yes No NA NE Is the pump wet well free of bypass lines or structures'? 000 Are all pumps present? 1=10 ❑ Are all pumps operable'? ❑ ❑ ❑ Are float controls operable'? ❑ ❑ ❑ Is SCADA telemetry available and operational'? _ ❑ ❑ MO Is audible and visual alarm available and operational'? MI ❑ ❑ ❑ Page# 7 Permit NC0066516 Owner-Facility Terrible Creek WWTP Inspection Date 02/22/2018 Inspection Type Compliance Evaluation Pump Station -Effluent Yes No NA NE Comment Flow Measurement -Effluent Yes No NA NE #Is flow meter used for reporting'? ■ 0 0 0 - __---- __ Is flout meter calibrated anntial -�- 0 —❑ ❑ Y Is the flow meter operational'? ® 0 ❑ 0 (If units are separated)Does the chart recorder match the flow meter'? ® 0 0 0 Comment Flow meter calibrated quarterly Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained'? ® 0 0 0 Are the receiving water free of foam other than trace amounts and other debris'? ® 0 0 0 If effluent (diffuser pipes are required) are they operating properly'? ® 0 0 0 Comment Effluent Sampling Yes No NA NE Is composite sampling flow proportional'? ® 0 0 0 Is sample collected below all treatment units'? ® 0 0 0 Is proper volume collected'? a 0 0 0 Is the tubing clean'? ® 0 0 0 #Is proper temperature set for sample storage(kept at less than or equal to 6 0 degrees a 0 0 0 Celsius)? Is the facility sampling performed as required by the permit(frequency, sampling type NE 0 0 0 representative)? Comment Upstream/Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit(frequency, sampling type,and E 0 0 0 sampling location)? Comment Record Keeping Yes No NA NE Are records kept and maintained as required by the permit'? 'L 0 0 0 Is all required information readily available, complete and current'? 0 0 0 Page# 8 Permit NC0066516 Owner-Facility Terrible Creek WWTP Inspection Date 02/22/2018 Inspection Type Compliance Evaluation Record Keeping Yes No NA NE Are all records maintained for 3 years(lab reg required 5 years)? ® ❑ 0 0 Are analytical results consistent with data reported on DMRs? IN ❑ ❑ ❑ Is the chain-of-custody complete? I 0 0 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 II Are DMRs complete do they include all permit parameters? ® ❑ ❑ ❑ 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 ❑ ❑ II ❑ on each shift'? Is the ORC visitation log available and current'? ® El ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification'? ® ❑ 0 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'? ® ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review'? ® ❑ ❑ ❑ Comment Standby Power Yes No NA NE Is automatically activated standby power available'? ® 0 ❑ ❑ Is the generator tested by interrupting primary power source'? I ❑ ❑ ❑ Is the generator tested under load'? El ❑ ❑ ❑ Was generator tested&operational during the inspection'? ® ❑ ❑ El Do the generator(s)have adequate capacity to operate the entire wastewater site'? ® El 0 ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power'? I ❑ ❑ p Is the generator fuel level monitored'? k;,; ❑ ❑ ❑ Comment Page# 9 1 '.'.`, _ _