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Home My WebLink AboutNC0055255_20180403_Compliance Evaluation Inspection NP P G-s ROY COOPER Governor MICHAEL S.REGAN Secretary Water Resources LINDA CULPEPPER Environmental Quality Interim Director April 3, 2018 Mr.Robert Hahn,Owner Parkins,LLC P.O.Box 1000 Pittsboro,NC 27312-1000 SUBJECT: Compliance Evaluation Inspection RECEIVE®/DENR/DWR Crown Mobile Home Park WWTP APR 1 2018 NPDES Permit No.NC0055255 Guilford County Water Resources Permitting Section Dear Mr.Hahn: On March 27, 2018, Jenny Graznak of this office met with you and Matt Nance, ORC, to perform a Compliance Evaluation Inspection on the wastewater treatment system located at Crown Mobile Home Park.The inspection fmdings are detailed below and an inspection checklist is attached. 1.Permit The current permit became effective January 1, 2017 and shall expire on August 31, 2021. The permittee had a copy of the permit for review during the inspection. 2 Self-Monitoring Program The Discharge Monitoring Reports(DMRs)were reviewed for the period of January through December of 2017. The facility was noncompliant with the permit limits in November 2017 due to a Fecal Coliform violation. This violation resulted in the issuance of a Notice of Violation and was addressed in separate correspondence from this office. This facility is currently field certified for the following parameters: DO, pH and Temperature. 3.Records/Reports Not all the facility reports and data were available for review during the inspection.Ms. Graznak reviewed lab data and chains of custody on your smartphone,and you later sent an email with information regarding the solids removal by Jenkins Waste Management.Mr.Nance has an operator log book that was available during the inspection.Prior to the next annual compliance inspection,our office will send a list of required records and reports that should be at the facility during the inspection. 4.Flow Measurement The permit requires continuous flow recording.The facility has an ultrasonic flow meter that was calibrated by the operators in July 2017. 5. Solids Handling and Disposal Wasted solids are routinely removed from the two aerobic digesters by Jenkins Waste Management. Prior to removal,solids are concentrated by turning off the air and pumping the supernatant back into the aeration basin.You keep invoices from this service in your office in Pittsboro. _->"Nothing 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. Operations and Maintenance The facility appeared to be competently operated and maintained. One of the two secondary clarifiers recently required maintenance and had to be drained.It is now fixed but has not been filled. The operators change the UV bulbs on an annual basis. Spare bulbs are available in the outbuilding. Some floating sludge was visible on the surface of one of the clarifiers. 7.Facility Site Review The 0.042 MGD dual train aboveground package plant has the following components: bar screen, aerated equalization basins, aeration tanks in parallel, clarifiers, tertiary filters, UV disinfection, reaeration with diffused air, and a flow meter The facility also has a tablet chlorinator, contact tank, and dechlorination unit for back up disinfection. 8.Effluent/Receiving Waters The system discharges to an unnamed tributary to Hickory Creek,classified WS-IV*in the Cape Fear River Basin.The effluent appeared clear with no visible solids during the inspection. Should you have any questions regarding this inspection report,please contact Jenny Graznak or me at (336)776-9800. Sincerely, /V-1.-,() Sherri V.Knight,P.E.,Regional Supervisor Water Quality Regional Operations Section Winston-Salem Regional Office Division of Water Resources,NCDEQ cc: WSRO Central Files United States Environmental Protection AgencyForm 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 2 IL I 3 I N00055255 111 12 I 18/03/27 117 18 12] 19 I c I 20I 21111111 1111111111111111111111111 11111111111 p6 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA Reserved 671 1 70 I,l=J II 711 72 I I I 73I I 174 751 1 1 1 1 1 1 180 Section B Facility Data LJ 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) 09 30AM 18/03/27 17/01/01 Crown Mobile Home Park Exit Time/Date Permit Expiration Date Jonquil Dr 11 00AM 18/03/27 21/08/31 Greensboro NC 27407 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Matthew Paul Nance/ORC/336-854-0808/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Robert P Hahn,PO Box 1000 Pittsboro NC 273121000//919-545-0635/8885245011 No Section C Areas Evaluated Dunng Inspection(Check only those areas evaluated) II Permit • Flow Measurement • Operations&Maintenance • Records/Reports Self-Monitoring Program II Sludge Handling Disposal • Facility Site Review - II 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 / 4/ Jennifer F Graznak WSRO WQ//336-771-5000/ ,/Zot I l l Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date 4/3/it EPA Form 3560-3(Rev 9-94)Previous editions are obsolete Page# 1 NPDES yr/mo/day Inspection Type (Cont) 1 31 N C 0055255 I11 121 18/03/27 117 18 I,.I Section D Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) 1 Permit The current permit became effective January 1, 2017 and shall expire on August 31, 2021.The permittee had a copy of the permit for review during the inspection 2 Self-Monitoring Program The Discharge Monitoring Reports (DMRs)were reviewed for the period of January through December of 2017 The facility was noncompliant with the permit limits in November 2017 due to a Fecal Coliform violation.This violation resulted in the issuance of a Notice of Violation and was addressed in separate correspondence from this office This facility is currently field certified for the following parameters. DO, pH and Temperature. 3 Records/Reports Not all the facility reports and data were available for review during the inspection Ms. Graznak reviewed lab data and chains of custody on your smartphone, and you later sent an email with information regarding the solids removal by Jenkins Waste Management Mr Nance has an operator log book that was available during the inspection Prior to the next annual compliance inspection, our office will send a list of required records and reports that should be at the facility during the inspection. 4. Flow Measurement The permit requires continuous flow recording The facility has an ultrasonic flow meter that was calibrated by the operators in July 2017. 5 Solids Handling and Disposal Wasted solids are routinely removed from the two aerobic digesters by Jenkins Waste Management. Prior to removal, solids are concentrated by turning off the air and pumping the supernatant back into the aeration basin.You keep invoices from this service in your office in Pittsboro 6. Operations and Maintenance The facility appeared to be competently operated and maintained One of the two secondary clarifiers recently required maintenance and had to be drained It is now fixed but has not been filled The operators change the UV bulbs on an annual basis Spare bulbs are available in the outbuilding. Some floating sludge was visible on the surface of one of the clarifiers. 7. Facility Site Review The 0 042 MGD dual train aboveground package plant has the following components bar screen, aerated equalization basins, aeration tanks in parallel, clarifiers, tertiary filters, UV disinfection, reaeration with diffused air, and a flow meter The facility also has a tablet chlorinator, contact tank, and dechlorination unit for back up disinfection 8 Effluent/Receiving Waters The system discharges to an unnamed tributary to Hickory Creek, classified WS-IV*in the Cape Fear River Basin.The effluent appeared clear with no visible solids during the inspection Page# 2 Permit: NC0055255 Owner-Facility Crown Mobile Home Park Inspection Date: 03/27/2018 Inspection Type: Compliance Evaluation Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • 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 The facility appeared to be competently operated and maintained Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new 0 0 MI 0 application? Is the facility as described in the permit? • 0 0 0 #Are there any special conditions for the permit? 0 • 0 0 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 The current permit became effective January 1,2017 and shall expire on August 31, 2021. The permittee had a copy of the permit for review during the inspection. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • 0 0 0 Is all required information readily available,complete and current? 0 • 0 0 Are all records maintained for 3 years(lab reg required 5 years)? • 0 0 0 Are analytical results consistent with data reported on DMRs? 0 0 0 MI Is the chain-of-custody complete? • 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 • Are DMRs complete do they include all permit parameters? • 0 0 0 Has the facility submitted its annual compliance report to users and DWQ? 0 0 • 0 (If the facility is=or>5 MGD permitted flow) Do they operate 24/7 with a certified operator 0 0 • 0 on each shift? Is the ORC visitation log available and current'? • 0 0 0 Is the ORC certified at grade equal to or higher than the facility classification'? • 0 0 0 Is the backup operator certified at one grade less or greater than the facility classification'? • 0 0 0 Is a copy of the current NPDES permit available on site'? • 0 0 0 Page# 3 Permit: NC0055255 Owner-Facility. Crown Mobile Home Park Inspection Date. 03/27/2018 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 U 0 Comment Not all the facility reports and data were available for review during the inspection. Prior to the next inspection, our office will send a list of required records and reports that should be at the facility during the inspection. 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 The system discharges to an unnamed tributary to Hickory Creek, classified WS-IV*in the Cape Fear River Basin The effluent appeared clear with no visible solids during the inspection 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 • 0 Comment The permit requires continuous flow recording.The facility has an ultrasonic flow meter that was calibrated by the operators in July 2017. Aerobic Digester Yes No NA NE Is the capacity adequate? U 0 0 0 Is the mixing adequate? U 0 0 0 Is the site free of excessive foaming in the tank? • 0 0 0 #Is the odor acceptable? • 0 0 0 #Is tankage available for properly waste sludge? I 0 0 0 Comment There are two 8,000-gallon aerated digesters. Equalization Basins Yes No NA NE Is the basin aerated? • 0 0 0 Is the basin free of bypass lines or structures to the natural environment? U 0 0 0 Is the basin free of excessive grease? I 0 0 0 Are all pumps present? • 0 0 0 Are all pumps operable? • 0 0 0 Page# 4 % Permit NC0055255 - Owner-Facility. Crown Mobile Home Park Inspection Date: 03/27/2018 Inspection Type: Compliance Evaluation Equalization Basins Yes No NA NE Are float controls operable'? • 0 0 0 Are audible and visual alarms operable'? • 0 0 0 #Is basin size/volume adequate'? • 0 0 0 Comment. There are two 10,000-gallon EQ basins.Air is supplied by the blowers serving the aeration basins. One EQ pump is variable speed. Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater'? • 0 0 0 Is the site free of excessive buildup-of solids in center well of circular clarifier'? • 0 0 0 Are weirs level'? • 0 0 0 Is the site free of weir blockage'? • 0 0 0 Is the site free of evidence of short-circuiting'? • 0 0 0 Is scum removal adequate'? • 0 0 0 Is the site free of excessive floating sludge'? 0 • 0 0 Is the drive unit operational'? 0 0 0 0 Is the return rate acceptable(low turbulence)' 0 0 0 0 Is the overflow clear of excessive solids/pin floc? • 0 0 0 Is the sludge blanket level acceptable'?(Approximately 1/4 of the sidewall depth) 0 0 0 • Comment There are two circular clarifiers with bottom scrapers. One of the clarifiers recently required maintenance and had to be drained. It is now fixed but has not been filled There was some floating sludge on the top of the clarifier Aeration Basins Yes No NA NE Mode of operation Ext Air Type of aeration system Diffused Is the basin free of dead spots' • 0 0 0 Are surface aerators and mixers operational'? 0 0 • 0 Are the diffusers operational'? • 0 0 0 Is the foam the proper color for the treatment process? • 0 0 0 Does the foam cover less than 25%of the basin's surface'? • 0 0 0 Is the DO level acceptable'? 0 0 0 II Is the DO level acceptable2(1 0 to 3.0 mg/I) 0 0 0 • Comment There are two 25,000-gallon aeration basins.There is a bar screen between EQ and aeration.There are three blowers, but one of them is designed to be a back-up. Page# 5 Permit: NC0055255 Owner-Facility: Crown Mobile Home Park Inspection Date: 03/27/2018 Inspection Type: Compliance Evaluation Disinfection -UV Yes No NA NE Are extra UV bulbs available on site'? • 0 0 0 Are UV bulbs clean'? • 0 0 0 Is UV intensity adequate'? • 0 0 0 Is transmittance at or above designed level'? 0 0 0 • Is there a backup system on site'? • 0 0 0 Is effluent clear and free of solids'? • 0 0 0 Comment The operators change the UV bulbs on an annual basis Spare bulbs are available in the outbuilding 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'? 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 0 0 • 0 Celsius)? Is the facility sampling performed as required by the permit(frequency,sampling type • 0 0 0 representative)' Comment. An ISCO sampler is used for composite sample collection.The refrigeration component of the sampler does not work so ice is brought in weekly during sample collection. Filtration (High Rate Tertiary) Yes No NA NE Type of operation Down flow Is the filter media present'? • 0 0 0 Is the filter surface free of clogging'? • 0 0 0 Is the filter free of growth'? 0 0 0 • Is the air scour operational'? • 0 0 0 Is the scouring acceptable? 0 0 0 • Is the clear well free of excessive solids and filter media'? • 0 0 0 Comment There are two downflow tertiary filters with sand and gravel media.They scour initially with air and then backflush using the adjacent wet well Page# 6