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Home My WebLink AboutNC0069311_Compliance Sampling Inspection_20210629R.OY COOPER. Governor JOHN NICHOLSON Interim Secretory S. DANIEL SMITH Director NORTH CAROLINA Environmental Quality June 29, 2021 Christopher Doherty, Public Utilities Director Franklin County 1630 & 1632 US Hwy #1 Youngsville, NC 27596 Subject: Compliance Sampling Inspection (CSI) Franklin County WWTP NPDES Permit No. NC0069311 Franklin County Dear Mr. Doherty: On March 23, 2021, Cheng Zhang of the Raleigh Regional Office (RRO) conducted a compliance sampling inspection of the subject facility. The assistance provided by Mr. Paul Langfield, the operator in responsible charge (ORC), was greatly appreciated as it facilitated the inspection process. The inspection report is attached. The following observations were made: Franklin County WWTP is permitted to discharge at a rate of 2.0 MGD and consists of: influent pump station with mechanical and manual bar screens, grit chamber, dual aeration/anaerobic/anoxic basins, dual secondary clarifiers, dual tertiary filters, dual train UV system, Parshall flume, post aeration, and aerobic digester. The facility discharges into Cedar Creek, which is classified C-NSW waters in the Tar -Pamlico Basin. 1. At the time of inspection, the administratively continued NPDES permit was issued effective April 1, 2016, and expired September 30, 2019. The Division received the County's permit renewal application on April 26, 2019, and reissued the NPDES permit on March 31, 2021, with an effective date May 1, 2021, and an expiration date September 30, 2025. 2. At the time of inspection, all listed treatment units were in operable conditions. Due to the wet weather in early 2021, the facility had to maintain a higher than normal mixed liquor suspended solids (around 4000 mg/1, normal range is 3200 to 3400 mg/L) in the aeration basins, the sludge digester was almost full. The facility was using an old basin from the original treatment plant to hold wasted sludge. 3. As part of the inspection, the inspector collected composite and/or grab samples from the influent and effluent for analysis of the following parameters. The samples collected on the influent and effluent were obtained using the subject facility's composite samplers and split with the facility for separate analyses. The samples the inspector collected were analyzed by the DWR Laboratory. The inspector observed the facility staff collect and measure the field parameters. The analytical results are summarized in the following tables: Effluent Parameter Sample Type Permit Limit (Weekly average) Result BOD Composite 27 mg/L 14 mg/L TSS Composite 45 mg/L <6.2 mg/L Ammonia Composite 3 mg/L 0.14 mg/L TKN Composite Not limited; monitor only 2.0 mg/L Nitrate + Nitrite Composite Not limited; monitor only 7.8 mg/L NORTCMOLINA D E _ Deeazbnenl a Environmental 9ua1lly North Carolina Department of Environmental Quality I Division of Water Resources Raleigh Regional Office 13800 Barrett Drive I Raleigh, North Carolina 27609 919.791.4200 Parameter Sample Type Permit Limit (Weekly average) Result Total Nitrogen Composite Not limited; monitor only 9.8 mg/L Total Phosphorous Composite Not limited; monitor only 2.4 mg/L Fecal coliform Grab 400 CFU /100 ml 4 CFU /100 ml Influent Parameter Sample Type Permit Limit (Weekly average) Result BOD Composite Not limited; monitor only 220 mg/L TSS Composite Not limited; monitor only 242 mg/L Field Parameters Parameter Sample Type Permit Limit Result Temperature Grab Not limited; monitor only 13.0 °C pH Grab 6-9 7.8 Dissolved oxygen Grab >6 mg/L 8.38 mg/L 4. Influent and effluent sampling performed by the facility was observed and found to meet the permit requirements. 5. The ORC maintains a daily logbook. Lab results, chain -of -custody forms, and Discharge Monitoring Reports (DMRs) were complete and current, kept in good order and ready for review. July and July 2020 DMR data were compared to lab bench sheets; no data transcription errors were noted during the inspection. 6. The right of way to the Outfall 001 was well maintained. The effluent was observed to be clear and free of solids. No visible impacts were noted immediately downstream the effluent pipe. 7. Field lab parameter (Certificate No. 350) calibration and analysis records were reviewed during the inspection. The result of this compliance sampling inspection is compliant. If you have any questions regarding the attached reports or any of the findings, please contact Cheng Zhang at: (919) 791-4200 (or email: cheng.zhang@ncdenr.gov). Attachments: EPA Water Compliance Inspection Report EPA Sampling Inspection Checklist Cc: Central Files w/attachment (Laserfiche) Raleigh Regional Office w/attachment Paul Langfield, ORC (electronic copy only) 1:11 NORTH CAROLINA Ilea»vm or enw.mnmenteiau.rm\ Sincerely, pDocuSigned by: �/ou�.t,ss (Ut a f. Altd,�, anessa t. anuel, Assistant Regional Supervisor Water Quality Regional Operations Section Raleigh Regional Office Division of Water Resources North Carolina Department of Environmental Quality I Division of Water Resources Raleigh Regional Office r 3800 Barrett Drive I Raleigh, North Carolina 27609 919.791.4200 United States Environmental Protection Agency EPA Washington, D.C. 20460 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 1 Inl Code I 2 E NPDES yr/mo/day Inspection Type Inspector Fac 3 I NC0069311 111 121 21/03/23 117 181 I 191 S I 2011 Type 21111111 1111111111I 1111111 I I 111111111111 66 1 Inspection 671 Work Days Facility Self -Monitoring 7° 1 I Evaluation Rating 711 1 B1 1 72 QA I N I 731 Reserved I 74 71 I I 1 1 1 1 1 1 1 1l80 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Numbed Franklin County WWTP 1099 Lane Store Rd Franklinton NC 27525 Entry Time/Date 09:OOAM 21/03/23 Permit Effective Date 16/04/01 Exit Time/Date 11:30AM 21/03/23 Permit Expiration Date 19/09/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Paul David Langfield/ORC/919-544-8829/ Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Luther P Proctor,1630 U S Hwy 1 Youngsville NC 275969661//919-494-5850/9194945584 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran Sludge Handling DispoE Facility Site Review Effluent/Receiving Wate Laboratory Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Signature(s) Cheng Zhang of Inspector(s) Agency/Office/Phone and Fax Numbers Date ,-Docusignedby: DWR/RRO WQ/919-791-4200/ cl,.„,,2 --,5_ 6/17/2021 "- D6171508E1 EC41 F... Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date �DocuSigned by: j �Al�If,SSa DWR/WQROS-RRO/919-791-4232 6/29/2021 3 2916 E6ABI32144F EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# 1 NPDES yr/mo/day 31 NC0069311 111 121 21/03/23 117 Inspection Type 18[j 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) At the time of inspection, permit expired on September 30, 2019. Permit was renewed on March 31, 2021, and became effective on May 1, 2021. All treatment units were found operable at the time of inspection. The inspector split influent and effluent composite samples with the facility, a grab sample was collected at effluent for fecal coliform. Field paramter calibration and measurement were reviewed. Lab results revealed that the facility was in compliance on the day of inspection. Page# 2 Permit: NC0069311 Inspection Date: 03/23/2021 Owner - Facility: Franklin County WWTP Inspection Type: Compliance Sampling Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable • ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: Facility analyzes DO, temperature, sludge blanket, MLSS, settleable solids, effluent turbidity for process control. 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? • El El El # Are there any special conditions for the permit? ❑ El • El Is access to the plant site restricted to the general public? • ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? •❑ ❑ ❑ Comment: At the time of inspection, permit expired on September 30, 2019. Permit was renewed on March 31, 2021, and became effective on May 1, 2021. Bar Screens Yes No NA NE Type of bar screen a.Manual El b.Mechanical ■ Are the bars adequately screening debris? • ❑ ❑ ❑ Is the screen free of excessive debris? ■ ❑ El El Is disposal of screening in compliance? • El El El Is the unit in good condition? • ❑ ❑ ❑ Comment: Grit Removal Yes No NA NE Type of grit removal a.Manual ❑ b.Mechanical • Is the grit free of excessive organic matter? • El ❑ ❑ Is the grit free of excessive odor? • ❑ ❑ ❑ # Is disposal of grit in compliance? ■ ❑ ❑ ❑ Comment: Page# 3 Permit: NC0069311 Inspection Date: 03/23/2021 Owner - Facility: Franklin County WWTP Inspection Type: Compliance Sampling Influent Sampling Yes No NA NE # Is composite sampling flow proportional? ❑ • ❑ ❑ Is sample collected above side streams? • ❑ ❑ ❑ Is proper volume collected? ■ ❑ ❑ ❑ Is the tubing clean? • El El El # Is proper temperature set for sample storage (kept at less than or equal to 6.0 • El El El degrees Celsius)? Is sampling performed according to the permit? • ❑ ❑ ❑ Comment: Time paced composite samples are collected. Chemical Feed Is containment adequate? Is storage adequate? Are backup pumps available? Is the site free of excessive leaking? Comment: MicroSeed is fed to influent to facilitate nutrient removal. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? El • El El Is flow meter calibrated annually? • ❑ ❑ ❑ Is the flow meter operational? • ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? • El El El Comment: Calibrated twice per year, last on January 14, 2021. Pump Station - Influent Yes No NA NE Is the pump wet well free of bypass lines or structures? • El El El Is the wet well free of excessive grease? • El El El Are all pumps present? • ❑ ❑ ❑ Are all pumps operable? • ❑ ❑ ❑ Are float controls operable? • El El El Is SCADA telemetry available and operational? • El El El Is audible and visual alarm available and operational? • ❑ ❑ ❑ Comment: Four pumps. Page# 4 Permit: NC0069311 Inspection Date: 03/23/2021 Owner - Facility: Franklin County WWTP Inspection Type: Compliance Sampling Oxidation Ditches Are the aerators operational? Are the aerators free of excessive solids build up? # 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? Are settleometer results acceptable (> 30 minutes)? Is the DO level acceptable?(1.0 to 3.0 mg/I) Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes) Comment: Four zones (anoxic and noxic) in the outer ring. Nutrient Removal # Is total nitrogen removal required? # Is total phosphorous removal required? Type # Is chemical feed required to sustain process? Is nutrient removal process operating properly? Comment: MicroSeed is fed to influent to facilitate nutrient removal. 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 evidence 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'/4 of the sidewall depth) Comment: Sludge blanket was about two feet. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ El El El El El El El El Yes No NA NE • ❑ ❑ ❑ Biological Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Pumps-RAS-WAS Yes No NA NE Page# 5 Permit: NC0069311 Inspection Date: 03/23/2021 Owner - Facility: Franklin County WWTP Inspection Type: Compliance Sampling Pumps-RAS-WAS Are pumps in place? Are pumps operational? Are there adequate spare parts and supplies on site? Comment: One WAS pump. Sludge is returned to influent pump station. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Filtration (High Rate Tertiary) Yes No NA NE Type of operation: Down flow Is the filter media present? • ❑ El ❑ Is the filter surface free of clogging? • El El El Is the filter free of growth? • ❑ ❑ ❑ Is the air scour operational? El El • El Is the scouring acceptable? El ❑ • ❑ Is the clear well free of excessive solids and filter media? • El El El Comment: 8 disk media, cleaned every two weeks. Disinfection - UV Are extra UV bulbs available on site? Are UV bulbs clean? Is UV intensity adequate? Is transmittance at or above designed level? Is there a backup system on site? Is effluent clear and free of solids? Comment: Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ • ❑ • ❑ ❑ ❑ Aerobic Digester Yes No NA NE Is the capacity adequate? El • ❑ ❑ Is the mixing adequate? • El ❑ ❑ Is the site free of excessive foaming in the tank? • El ❑ ❑ # Is the odor acceptable? • El El El # Is tankage available for properly waste sludge? • ❑ ❑ ❑ Comment: The digester was almost full. Facility was using an old basin to hold solids. Flow Measurement - Effluent Yes No NA NE Page# 6 Permit: NC0069311 Inspection Date: 03/23/2021 Owner - Facility: Franklin County WWTP Inspection Type: Compliance Sampling Flow Measurement - Effluent Yes No NA NE # 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? • El El El Comment: Calibrated twice per year, last on January 14, 2021. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? • El El El 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 • El El El degrees Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type • ❑ El El representative)? Comment: Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? • El El El Are the receiving water free of foam other than trace amounts and other debris? • ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ • ❑ Comment: Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • El ❑ ❑ Is all required information readily available, complete and current? • El El El Are all records maintained for 3 years (lab. reg. required 5 years)? • El El El Are analytical results consistent with data reported on DMRs? • ❑ ❑ ❑ Is the chain -of -custody complete? • ❑ ❑ ❑ Dates, times and location of sampling MI Name of individual performing the sampling MI Results of analysis and calibration • Dates of analysis MI Name of person performing analyses MI Page# 7 Permit: NC0069311 Inspection Date: 03/23/2021 Owner - Facility: Franklin County WWTP Inspection Type: Compliance Sampling Record Keeping Transported COCs Are DMRs complete: do they include all permit parameters? 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? 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? Comment: 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? Comment: Standby Power Is automatically activated standby power available? Is the generator tested by interrupting primary power source? Is the generator tested under load? Was generator tested & operational during the inspection? 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: Fuel, oil, and runtime are recorded. Yes No NA NE • • ❑ • ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ • ❑ Yes No NA NE • ❑ ❑ ❑ ❑ • ❑ ❑ • ❑ ❑ ❑ El El El El Page# 8 Permit: NC0069311 Inspection Date: 03/23/2021 Owner - Facility: Franklin County WWTP Inspection Type: Compliance Sampling Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, • ❑ ❑ ❑ and sampling location)? Comment: Member of Tar -Pamlico Association. Page# 9 PERMITTEE SAMPLING INSPECTION CHECKLIST Inspection Date: 3/23/2021 Owner / Facility Names: Franklin County WWTP NPDES Permit #: NC0069311 County: Franklin Y N N/A NE A. PERMITTEE SAMPLING EVALUATION 1. Take samples at sites specified in the permit. 2. Locations adequate for representative samples. 3. Flow proportioned samples obtained when required by the permit. 4. Complete sampling and analysis on parameters specified by the permit. 5. Conduct sampling and analysis in frequency specified by the permit. 6. Permittee uses the method of sample collection required by the permit. Required method: Grab and composite If not, method being used is: ❑ Grab; ❑ Manual Composite; ❑ Automatic Composite 7. Sample collection procedures adequate: a. Samples refrigerated during compositing. b. Proper preservation techniques used. c. Containers and sample holding times before analyses conform to 40 CFR 136.3. d. Samples analyzed in timeframe needed. 8. Facility performs monitoring and analyses more often than required by the permit. If so, results reported in the permittee's self -monitoring report. 9. Samples contain chlorine. 10. Use contract laboratory for sample analysis. 11. POTW collects samples from industrial users in pretreatment program. B. SAMPLING INSPECTION PROCEDURES AND OBSERVATIONS 12. Obtain grab samples. ❑ ❑ ❑ ❑ 13. Obtain composite sample. EIDDD Sample frequency: Influent 100 ml/hour for 24 hours; Effluent 200 ml/75 pulses Preservation: 14. Sample refrigerated during compositing? 15. Flow -proportioned sample collected. 16. Sample obtained from facility sampling device. 17. Sample representative of volume and nature of discharge. 18. Sample split with permittee. 19. Employ chain -of -custody procedures. 20. Samples collected in accordance with the permit. 21. Observe excessive foam, grease, floating solids at the outfall. C. AUTOMATIC SAMPLER PROCEDURES AND OBSERVATIONS 22. Sample intake tubing placed in a well -mixed, representative location (0.4 to 0.6 depth). 23. Individual aliquot volume checked and at least 100 ml aliquot collected. EIDEIDDIM ® ®®®® El El El ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ EDDD EDDD Page 1 of 2 Y N N/A NE 24. Proper sample tubing (Teflon' for organics, otherwise Tygon®) and tubing with inner diameter at least 0.25 inches. 25. Proper composite sample container (glass for organics, otherwise plastic). 26. Proper refrigeration (<_ 6 deg. Centigrade or ice), with required documentation. 27. Proper wastewater velocity in the sample tubing (at least 2 feet per second). D. EFFLUENT CHARACTERISTICS FOR ANALYSIS Sampling results are summarized in the inspection letter. ® ❑ ❑ ❑ ® ❑ ❑ ❑ ® ❑ ❑ ❑ E. COMMENTS Influent composite was time paced; effluent composite was flow proportional. DocuSigned by: INSPECTOR: Cheng Zhang SIGNATURE: D6171508E 1 EC41 F... Page 2 of 2