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HomeMy WebLinkAboutNC0040011_Compliance Evaluation Inspection_20180507 ROY COOPER c;=%1 Governor MICHAEL S.REGAN Secretary Water Resources LINDA CULPEPPER Environmental Quality Interim Director May 7,2018 Mr. Brian Collie Town of Yanceyville P.O. Box 727 Yanceyville,NC 27379 SUBJECT: Compliance Evaluation Inspection Town of Yanceyville-Yanceyville WWTP NPDES Permit No.NC0040011 Caswell County Dear Mr. Collie: On May 2, 2018, Jenny Graznak of this office met with Charles Overby and Greg Purcell to perform a Compliance Evaluation Inspection of the NPDES wastewater discharge from the Yanceyville wastewater treatment plant. The inspection findings are detailed below and an inspection checklist is attached. 1.Permit • The current NPDES permit was issued on July 1, 2017 and shall expire on May 31, 2022. A copy of the complete permit was available for review during the inspection. 2.Self-Monitoring Program The monthly Discharge Monitoring Reports (DMRs)were reviewed for the period January 2017 through February 2018 for this inspection. The facility was found to be non-compliant with permit limits for fecal coliform in January 2018. This violation resulted in a Notice of Deficiency and was addressed through previous correspondence from this office.Regarding the permit monitoring requirements, it was noted that all sampling seems to have been performed per the frequencies specified in the permit. 3.Flow Measurement The plant has a flow meter that is used to report effluent flow on the DMRs. The meter was last calibrated on April 19,2018 by Carolina Technical Services.Effluent samples are not flow proportional now, but the operators are planning to switch later this year. 4.Sludge Handling and Disposal Sludge from the treatment plant is stored in an old lagoon at the site and removed periodically (usually every 2 to 4 years) and disposed of under the Town's land application permit. It is our understanding that the Town is planning to install a new aerobic digester and underground storage tank to improve the sludge handling. The existing lagoon would then be decommissioned. 5.Operations and Maintenance Inframark took over operations of this facility in January 2018.The new ORC is Charles Overby,who holds wastewater certification#1005687.Mr. Overby is planning to have Hodnett Septic Cleaning Service pump out solids from the chlorine contact chamber soon. Last week,they removed solids from the grit chamber and the wet well. The surface blowers operate on a timer. �"Noth ing Compares State of North Carolina I Environmental Quality 450 W.Hanes Mill Road,Suite 300,Winston-Salem,North Carolina 27105 Phone:336-776-98001 FAX:336-776-9797 6.Facility Site Review Please see the attached inspection checklist for specific comments on the system components. The treatment system includes a mechanical bar screen, manual grit chamber, influent pump station, dual sequencing batch reactors,post flow equalization chamber,effluent flow meter, chlorine contact chamber, dechlorination tank, and a sludge lagoon. 7.Records/Reports All required information was readily available for review during the inspection. A comparison of the February 2018 DMR with the laboratory data revealed that these parameters were accurately transcribed onto the monitoring report. Meritech picks up the samples and does all analysis except for pH, dissolved oxygen,and TRC,which are performed on site under field parameter certification#5700.Chains of custody were also available for review. • 8.Effluent/Receiving Waters The system discharges into Country Line Creek, a class C stream in the Roanoke River Basin. The frail down to the effluent was very swampy, so the effluent pipe was not observed on the day of the inspection. The operators visit the pipe once a week to collect downstream samples. This summer, they will visit the effluent three times a week, according to the permit requirements. Should you have any questions concerning this letter and attached inspection report, please contact Jenny Graznak or me at(336)776-9800. Sincerely, -�� L ►- • Sherri V.Knight,P.E. Regional Supervisor Water Quality Regional Operations Section Division of Water Resources cc: Greg Purcell,Inframark(greg.purcell@inframark.com) Central Files WSRO NPDES Unit Attachments: Inspection Report 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 E 2 15 I 3 I NC0040011 111 12 I 18/05/02 117 18 I r-l 19 [ G 201 211 11111 1111111111111111111 111111 11111111111 f6 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA Reserved 671 1 70 IJ 71 1 72 12_1 731 I 174 75J 1 1 1 1 1 1 180 Section B:Facility Data • 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 30AM 18/05/02 17/07/01 Yanceyville WWTP Exit Time/Date Permit Expiration Date 666 Pine Dr 12'00PM 18/05/02 22/05/31 Yanceyville NC 27379 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Charles Richard Overby/ORC/434-799-5137/ Name,Address of Responsible OfficiaVTitle/Phone and Fax Number Contacted Brian Collie,P0 Box 727 Yanceyville NC 27379//336-694-5431/ No Section C.Areas Evaluated During Inspection(Check only those areas evaluated) El Permit • Flow Measurement El Operations&Maintenance • Records/Reports Self-Monitoring Program IN 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/Office/Phone and Fax Numbers Date Jennifer Graznak WSRO WQ//336-771-5000/ / a0/75%)". S17( Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date EPA Form 3560-3(Rev 9-94)Previous editions are obsolete Page# 1 NPDES yr/mo/day Inspection Type (Cont.) 1 3I NC0040011 I11 121 18/05/02 117 18 u Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) 1. Permit The current NPDES permit was issued on July 1, 2017 and shall expire on May 31, 2022.A copy of the complete permit was available for review during the inspection. 2. Self-Monitoring Program The monthly Discharge Monitoring Reports (DMRs)were reviewed for the period January 2017 through February 2018 for this inspection. The facility was found to be non-compliant with permit limits for fecal coliform in January 2018. This violation resulted in a Notice of Deficiency and was addressed through previous correspondence from this office. Regarding the permit monitoring requirements, it was noted that all sampling seems to have been performed per the frequencies specified in the permit. 3. Flow Measurement The plant has a flow meter that is used to report effluent flow on the DMRs. The meter was last calibrated on April 19, 2018 by Carolina Technical Services. Effluent samples are not flow proportional now, but the operators are planning to switch later this year. 4. Sludge Handling and Disposal Sludge from the treatment plant is stored in an old lagoon at the site and removed periodically(usually every 2 to 4 years) and disposed of under the Town's land application permit. It is our understanding that the Town is planning to install a new aerobic digester and underground storage tank to improve the sludge handling.The existing lagoon would then be decommissioned. 5. Operations and Maintenance Inframark took over operations of this facility in January 2018.The new ORC is Charles Overby,who holds wastewater certification#1005687. Mr. Overby is planning to have Hodnett Septic Cleaning Service pump out solids from the chlorine contact chamber soon. Last week, they removed solids from the grit chamber and the wet well.The surface blowers operate on a timer. 6. Facility Site Review Please see the attached inspection checklist for specific comments on the system components. The treatment system includes a mechanical bar screen, manual grit chamber, influent pump station, dual sequencing batch reactors, post flow equalization chamber, effluent flow meter, chlorine contact chamber, dechlorination tank, and a sludge lagoon. 7. Records/Reports All required information was readily available for review during the inspection. A comparison of the February 2018 DMR with the laboratory data revealed that these parameters were accurately transcribed onto the monitoring report:Meritech picks up the samples and does all analysis except for pH, dissolved oxygen, and TRC, which are performed on site under field parameter certification#5700. Chains of custody were also available for review. 8. Effluent/Receiving Waters The system discharges into Country Line Creek, a class C stream in the Roanoke River Basin. The trail down to the effluent was very swampy, so the effluent pipe was not observed on the day of the inspection.The operators visit the pipe once a week to collect downstream samples.This summer, they will visit the effluent three times a week, according to the permit requirements. Page# 2 ✓ ' Permit: NC0040011 Owner-Facility: Yanceyville WWTP Inspection Date: 05/02/2018 Inspection Type: Compliance Evaluation Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • 000 Does the facility analyze process control parameters,for ex: MLSS, MCRT, Settleable • 000 Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: Inframark took over operations of this facility in January 2018.The new ORC is Charles Overby,who holds wastewater certification#1005687. Permit Yes No NA NE (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? • 000 Is the inspector granted access to all areas for inspection? • 000 Comment: The current NPDES permit was issued on July 1, 2017 and shall expire on May 31, 2022. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • 000 Is all required information readily available, complete and current? • ❑ ❑ ❑ Are all records maintained for 3 years(lab reg required 5 years)? 11000 Are analytical results consistent with data reported on DMRs? • 000 Is the chain-of-custody complete? • ❑ ❑ 0 Dates,times and location of sampling U Name of individual performing the sampling II Results of analysis and calibration II Dates of analysis U Name of person performing analyses II Transported COCs II Are DMRs complete:do they include all permit parameters? 110 ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? , 00110 (If the facility is=or>5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ 1• 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? • 000 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? • 000 Page# 3 r Permit: NC0040011 Owner-Facility: Yanceyville WWTP Inspection Date: 05/02/2018 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE Facility has copy of previous year's Annual Report on file for review? 0 0 • 0 Comment: Flow Measurement-Effluent Yes No NA NE #Is flow meter used for reporting? • 0 0 0 Is flow meter calibrated annually? • 0 0 0 Is the flow meter operational? • 0 0 0 (If units are separated)Does the chart recorder match the flow meter? 0 0 II 0 Comment. The plant has a flow meter that is used to report effluent flow on the DMRs. The meter was last calibrated on April 19, 2018 by Carolina Technical Services. Pump Station -Influent Yes No NA NE Is the pump wet well free of bypass lines or structures? • ❑ 0 0 Is the wet well free of excessive grease? • 0 0 0 Are all pumps present? • 0 0 0 Are all pumps operable? • 0 0 0 Are float controls operable? • 0 0 0 Is SCADA telemetry available and operational? 0 0 I 0 Is audible and visual alarm available and operational? • 0 0 0 Comment: There is a visual and audio alarm on the pump station.The operators are alerted by the alarm. Bar Screens Yes No NA NE Type of bar screen a.Manual 0 b.Mechanical • 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 0 0 Is the unit in good condition? • 0 0 0 Comment: The bar screen was full at the time of the inspection. Grit Removal Yes No NA NE Type of grit removal Page# 4 4 Permit: NC0040011 Owner-Facility: Yanceyville WWTP Inspection Date: 05/02/2018 Inspection Type: Compliance Evaluation Grit Removal Yes No NA NE a.Manual • b.Mechanical 0 Is the grit free of excessive organic matter? • 0 0 0 Is the grit free of excessive odor? • 0 0 0 #Is disposal of grit in compliance'? • 0 0 0 Comment. Grit and bar screenings are placed into a dumpster on site. Sequencing Batch Reactors Yes No NA NE Type of operation Is the reactor effluent free of solids'? • 0 0 0 Does minimum fill time correspond to the peak hour flow rate of the facility'? 0 0 0 • Is aeration and mixing cycled on and off during fill'? • 0 0 0 The operator understands and can explain the process? • 0 0 0 Comment: Disinfection-Gas Yes No NA NE Are cylinders secured adequately'? • 0 0 0 Are cylinders protected from direct sunlight? • 0 0 0 Is there adequate reserve supply of disinfectant? • 0 0 0 Is the level of chlorine residual acceptable'? 0 0 ❑ • Is the contact chamber free of growth, or sludge buildup? 0 • 0 0 Is there chlorine residual prior to de-chlorination? 0 0 0 • Does the Stationary Source have more than 2500 lbs of Chlorine(CAS No.7782-50-5)? ❑ 0 0 • If yes,then is there a Risk Management Plan on site? 0 0 0 • If yes,then what is the EPA twelve digit ID Number'?(1000- - ) If yes,then when was the RMP last updated'? Comment. Mr. Overby is planning to have Hodnett Septic Cleaning Service pump out solids from the chlorine contact chamber soon. De-chlorination Yes No NA NE Type of system? Gas Is the feed ratio proportional to chlorine amount(1 to 1)? 0 0 MI 0 , Is storage appropriate for cylinders'? • ❑ 0 0 #Is de-chlorination substance stored away from chlorine containers? 0 • 0 0 Pagett 5 Permit: NC0040011 Owner-Facility: Yanceyville WWTP Inspection Date: 05/02/2018 Inspection Type: Compliance Evaluation De-chlorination Yes No NA NE Comment: Are the tablets the proper size and type? 00 • 0 Are tablet de-chlorinators operational? ❑ ❑ U ❑ Number of tubes in use'? , Comment: Effluent Sampling Yes No NA NE Is composite sampling flow proportional'? - 0 • 00 Is sample collected below all treatment units? • 000 Is proper volume collected? ❑ ❑ ❑ U Is the tubing clean'? 00011 #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 000 Celsius)' Is the facility sampling performed as required by the permit(frequency,sampling type 111000 representative)? Comment. Meritech picks up the samples and does all analysis except for pH, dissolved oxygen, and TRC,which are performed on site under field parameter certification#5700. Upstream/ Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit(frequency,sampling type,and M ❑ ❑ ❑ sampling location)' Comment. Page# 6