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Home My WebLink AboutNC0060461_Compliance Evaluation Inspection_20191021ROY COOPER Governor MICHAEL S. REGAN Secretary LINDA CULPEPPER Director Martin Lashua Carolina Water Services Inc. of NC P.O. Box 240908 Charlotte, NC 28224-0908 NORTH CAROLINA Environmental Quality October 21, 2019 SUBJECT: Compliance Evaluation Inspection Abington WWTP NPDES Permit No. NCO060461 Forsyth County Dear Mr. Miller, On October 15, 2019, Gary Hudson, of this office, met with Richard Philips, Operator in Responsible Charge (ORC), and Jack Burner, Back-up Operator in Responsible Charge (BORC) to perform a Compliance Evaluation Inspection at the Abington wastewater treatment plant. This type of inspection consists of two basic parts: an in -office file review and an on -site inspection of the treatment facility. The attached EPA inspection form details the areas that were evaluated during this inspection. The inspection of the facility was satisfactory. If you have any questions regarding the inspection or this report, please contact Gary Hudson or me at (336) 776-9800 or by email at gary.hudson(c�ncdenr.gov or Ion. snider(a)_ncdenr.gov. Sincerely, EDocuSigned<by: LJn. -T :5,,Jtr 145B49B225C94BA... Lon Snider Regional Supervisor Water Quality Regional Operations Division of Water Resources Attachments: EPA Water Compliance Inspection Report cc: WSRO D North Carolina Department of Environmental Quality I Division of Water Resources EQ�p Winston-Salem Regional Office 1 450 Hanes Mill Road, Suite 300 1 Winston-Salem, North Carolina 27105 NORTH C�30LINA � o•o•°^•mme""°""•"viu"•i� /� 336.776.9800 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 IN I 2 IF I 3 I NC0060461 111 12 I 19/10/15 I17 18 I S J 19 L G] 201 I 211111 I I I I I I II I I I I I I I I I I I I I I I I I I I I I I I II I I I I I f6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 671 70 I I 71 I I 72 I r I 73 I I 174 751 I I I I I I I80 u I� I I i 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 oermit Number) 10:OOAM 19/10/15 17/03/01 Abington WWTP 6890 Bainburg Ct Exit Time/Date Permit Expiration Date Kernersville NC 27284 12:OOPM 19/10/15 22/02/28 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Andrew Richard Phillips/ORC/336-240-5866/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Dana Hill,PO Box 240908 Charlotte NC 28224/Director of Operations/704-319-0503/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program 0 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 Gary Hudson DWR/Division of Water Quality/336-776-9694/ Signature of Management Q A Reviewe usigned by: Agency/Office/Phone and Fax Numbers Date E�-5'1349E225C94EA— EPA Page# NPDES yr/mo/day Inspection Type NC0060461 I11 121 19/10/15 117 18 ICI (Cont.) 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) *The permit for this facility was renewed on 1 MAR17 and expires on 28FEB22. A copy of the permit was presented for inspection. There are no special conditions related to this permit. *Richard Philips is the ORC and holds a Biological WW Grade 2 license, and Jack Burner is the BUORC and holds a Grade 1 Biological WW license. *The effluent composite sampling is flow proportional. Influent sampling is not a requirement. *The influent goes through 2 seperate bar screens before entering the flow equalization basin. *The flow equalization basin appeared to be well operated and maintained. *The aeration basin appeared to be well operated and maintained. The blowers are on a timer and are set to turn off for 2 hours every morning. *At the time of this inspection both clarifiers were clean and free of floating sludge. *Sodium Bisulfite is being used for de-chorination. *A new flow meter was installed and calibrated on 9SEP19. *The effluent was clear on the day of this inspection. *During this inspection the entire WWTP appeared to be very well operated and maintained. Page# 2 Permit: NCO060461 Owner - Facility: Abington WWTP Inspection Date: 10/15/2019 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 ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ 0 ❑ ❑ Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: The permit for this facility was renewed on 1 MAR17 and expires on 28FEB22. A copy of the permit was presented for inspection. There are no special conditions related to this permit. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ ❑ ❑ Is all required information readily available, complete and current? 0 ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? 0 ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑ Is the chain -of -custody complete? ❑ ❑ ❑ 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? ❑ ❑ ❑ 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: Richard Philips is the ORC and holds a Biological WW Grade 2 license, and Jack Burner is the BUORC and holds a Grade 1 Biological WW license. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? 0 ❑ ❑ ❑ Page# 3 Permit: NCO060461 Owner - Facility: Abington WWTP Inspection Date: 10/15/2019 Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE Is sample collected below all treatment units? 0 ❑ ❑ ❑ Is proper volume collected? 0 ❑ ❑ ❑ Is the tubing clean? 0 ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑ Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type M ❑ ❑ ❑ representative)? Comment: The effluent composite sampling is flow proportional. Influent sampling is not a requirement. Pump Station - Influent Yes No NA NE Is the pump wet well free of bypass lines or structures? 0 ❑ ❑ ❑ Is the wet well free of excessive grease? 0 ❑ ❑ ❑ Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Are float controls operable? 0 ❑ ❑ ❑ Is SCADA telemetry available and operational? 0 ❑ ❑ ❑ Is audible and visual alarm available and operational? 0 ❑ ❑ ❑ Comment: None. Bar Screens Yes No NA NE Type of bar screen a.Manual b.Mechanical ❑ Are the bars adequately screening debris? 0 ❑ ❑ ❑ Is the screen free of excessive debris? 0 ❑ ❑ ❑ Is disposal of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: The influent goes through 2 seperate bar screens before entering the flow equalization basin. Equalization Basins Yes No NA NE Is the basin aerated? 0 ❑ ❑ ❑ Is the basin free of bypass lines or structures to the natural environment? 0 ❑ ❑ ❑ Is the basin free of excessive grease? 0 ❑ ❑ ❑ Page# 4 Permit: NCO060461 Inspection Date: 10/15/2019 Owner - Facility: Abington WWTP Inspection Type: Compliance Evaluation Equalization Basins Yes No NA NE Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Are float controls operable? 0 ❑ ❑ ❑ Are audible and visual alarms operable? ❑ ❑ ❑ # Is basin size/volume adequate? 0 ❑ ❑ ❑ Comment: The flow equalization basin appeared to be well operated and maintained. Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Diffused Is the basin free of dead spots? 0 ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ 0 ❑ Are the diffusers operational? 0 ❑ ❑ ❑ Is the foam the proper color for the treatment process? 0 ❑ ❑ ❑ Does the foam cover less than 25% of the basin's surface? 0 ❑ ❑ ❑ Is the DO level acceptable? 0 ❑ ❑ ❑ Is the DO level acceptable?(1.0 to 3.0 mg/1) 0 ❑ ❑ ❑ Comment: The aeration basin appeared to be well operated and maintained. The blowers are on a timer and are set to turn off for 2 hours every morning. 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'/ of the sidewall depth) Comment: At the time of this inspection both clarifiers were clean and free of floating sludge. Yes No NA NE ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ Page# 5 Permit: NC0060461 Inspection Date: 10/15/2019 Owner - Facility: Abington WWTP Inspection Type: Compliance Evaluation Pumps-RAS-WAS Yes No NA NE Are pumps in place? 0 ❑ ❑ ❑ Are pumps operational? 0 ❑ ❑ ❑ Are there adequate spare parts and supplies on site? 0 ❑ ❑ ❑ Comment: None. Disinfection -Liquid Yes No NA NE Is there adequate reserve supply of disinfectant? 0 ❑ ❑ ❑ (Sodium Hypochlorite) Is pump feed system operational? 0 ❑ ❑ ❑ Is bulk storage tank containment area adequate? (free of leaks/open drains) 0 ❑ ❑ ❑ Is the level of chlorine residual acceptable? 0 ❑ ❑ ❑ Is the contact chamber free of growth, or sludge buildup? 0 ❑ ❑ ❑ Is there chlorine residual prior to de -chlorination? ❑ ❑ ❑ Comment: None. De -chlorination Yes No NA NE Type of system ? Liquid Is the feed ratio proportional to chlorine amount (1 to 1)? 0 ❑ ❑ ❑ Is storage appropriate for cylinders? ❑ ❑ 0 ❑ # Is de -chlorination substance stored away from chlorine containers? 0 ❑ ❑ ❑ Are the tablets the proper size and type? ❑ ❑ 0 ❑ Comment: Sodium Bisulfite is being used for de-chorination. Are tablet de -chlorinators operational? ❑ ❑ 0 ❑ Number of tubes in use? Comment: None. Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? 0 ❑ ❑ ❑ Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? 0 ❑ ❑ ❑ Comment: Anew flow meter was installed and calibrated on 9SEP19. Effluent Pipe Yes No NA NE Page# 6 Permit: NCO060461 Owner - Facility: Inspection Date: 10/15/2019 Inspection Type: Abington WWTP Compliance Evaluation Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? 0 ❑ ❑ ❑ Are the receiving water free of foam other than trace amounts and other debris? 0 ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ 0 ❑ Comment: The effluent was clear on the day of this inspection. Aerobic Digester Yes No NA NE Is the capacity adequate? 0 ❑ ❑ ❑ Is the mixing adequate? 0 ❑ ❑ ❑ Is the site free of excessive foaming in the tank? 0 ❑ ❑ ❑ # Is the odor acceptable? 0 ❑ ❑ ❑ # Is tankage available for properly waste sludge? 0 ❑ ❑ ❑ Comment: None. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable 0 ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: During this inspection the entire WWTP appeared to be very well operated and maintained. Page# 7