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Home My WebLink AboutNC0089290_Compliance Evaluation Inspection_20190318ROY COOPER Governor MICHAEL S. REGAN Secretary LINDA CULPEPPER Director Mr. Will Marklin, Mayor Town of Mocksville 171 S Clement St. Mocksville, NC 27028 e+ ww NORTH CAROLINA Environmental Qaato March 18, 2019 SUBJECT: Compliance Evaluation Inspection Hugh A. Lagle WTP NPDES Permit No. NCO089290 Davie County Dear Mr. Marklin, Water Resources P®rrnitting Section On March 7, 2019, Kelli Park of this office, met with Joshua Powers, Operator in Responsible Charge (ORC), to perform a Compliance Evaluation Inspection at the Hugh A. Lagle water 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. Some pertinent findings from the inspection are described in the inspection summary. The inspection of the facility was satisfactory. If you have any questions regarding the inspection or this report, please contact Kelli Park or me at (336) 776-9800 or by email at kelli.parkCa-ncdenr.gov or Ion. sniderCa-ncdenr.gov. Sincerely, Lon Snider Assistant Regional Supervisor Water Quality Regional Operations Division of Water Resources Attachments: EPA Water Compliance Inspection Report cc: Central Files WSRO N' PPDE:i mn-� 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 2 15 1 3 I NC0089290 I11 12 19/03/07 17 18 ICJ 19 I G j 20I 211 1 1 1 1 1 I I I I I I I I I I I I I I I I I I I I i l l l l I I I I I I I I I I I �6 Inspection Work Days Facility Self -Monitoring Evaluation Rating 131 CIA Reserved 67 70I � 71 I I 72 I N 1 731 I 174 75III LJ L_I I I 80 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) 11:OOAM 19/03/07 17/06/01 Hugh A. Lagle WTP Exit Time/Date Permit Expiration Date 771 Sanford Ave 01:OOPM 19/03/07 21/12/31 Mocksville NC 27028 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Joshua Powers/ORC/704-775-612B/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Christine W Bralley,171. S Clement St Mocksville NC No 2702BH336-751-2259/3367519187 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 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 Kelli A Park WSRO WQ//336-776-9689/ �64-14 Signature of M agement Reviewer Agency/Office/Phone and Fax Numbers Date EPA Form 3560-3 (Rev /94) Previous editions are obsolete. Page# 0 NPDES yr/mo/day Inspection Type (Cont.) 1 31 NCO089290 I11 12 19/03/07 17 18 1,. I Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) On March 7, 2019, Kelli Park of this office, met with Joshua Powers, Operator in Responsible Charge (ORC), to perform a Compliance Evaluation Inspection at the Hugh A. Lagle water 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. Some pertinent findings from the inspection are described in the inspection summary. The inspection of the facility was satisfactory. If you have any questions regarding the inspection or this report, please contact Kelli Park or me at (336) 776-9800 or by email at kelli.park@ncdenr.gov or lon.snider@ncdenr.gov. Page# 2 r Permit: NCO089290 Owner - Facility: Hugh A. Lagle WTP Inspection Date: 03/07/2019 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 ❑ ❑ M ❑ application? Is the facility as described in the permit? 0 ❑ ❑ ❑ # Are there any special conditions for the permit? 0 M ❑ El Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: Permit expires in 2021 Operations & Maintenance Yes, No NA NE Is the plant generally clean with acceptable housekeeping? M. ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable El ❑ 0 ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: 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? ❑ ❑ ❑ Are all records maintained for• 3 years (lab. reg. required 5 years)? ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? M ❑ ❑ ❑ Is the chain -of -custody complete? 0 ❑ ❑ ❑ Dates, times and location of sampling Name of individual performing the sampling r 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? ❑ ❑ 0 ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ M ❑ on each shift? Is the OFC visitation log available and current? M ❑ ❑ ❑ Is the ORG certified at grade equal to or higher than the facility classification? M ❑ ❑ ❑ 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? 0 ❑ ❑ ❑ Page# 3 Permit: NCO089290 Inspection Date: 03/07/2019 Record Keeping Facility has copy of previous year's Annual Report on file for review? Owner - Facility: Hugh A. Lagle wTP Inspection Type: Compliance Evaluation Yes No NA NE Comment: EMA resources removes sludge from the decant tanks and are land applied under permit WQ0039552. The annual report from EMA was available during the inspection It is suggested that a log of any sludge pumping be maintained with the date and how much sludge was pumped. Sludge was pumped last in September 2017 and was reported by the ORC to need done again soon. They are also planning on setting up a dewatering bag that sludge can be pumped into if there is ever a delay in pumping and sludge builds up Meritech is used for toxicity testing. Calibration records were available for the chlorine temperature and pH meters Disinfection -Gas Yes No NA NE Are cylinders secured adequately? 0 ❑ ❑ ❑ Are cylinders protected from direct sunlight? E ❑ ❑ ❑ Is there adequate reserve supply of disinfectant? 0 ❑ ❑ ❑ Is the level of chlorine residual acceptable? ❑ ❑ ❑ Is the contact chamber free of growth, or sludge buildup? ❑ ❑ ❑ Is there chlorine residual prior to de -chlorination? ❑ ❑ ❑ Does the Stationary Source have more than 2500 Ibs of Chlorine (CAS No. 7782-50-5)? ❑ ❑ 0 ❑ If yes, then is there a Risk Management Plan on site? ❑ ❑ 0 0- If yes, then what is the EPA twelve digit ID Number? (1 000--_) If yes, then when was the RMP last updated? Comment: There is a maximum of 1400 Ibs of chlorine gas on site at a time In the winter about 3-5 Ibs of gas are used each day, and in the summer about 6-9 Ibs of gas are used each day De -chlorination Yes No NA NE Type of system ? Gas Is the feed ratio proportional to chlorine amount (1 to 1)? 0 ❑ ❑ ❑ Is storage appropriate for cylinders? N ❑ ❑ ❑ # Is de -chlorination substance stored away from chlorine containers? ❑ ❑ ❑ Are the tablets the proper size and type? ❑ ❑ 0 ❑ Comment: Calcium thiosulfate is used. Are tablet de -chlorinators operational? ❑ ❑ N ❑ Number of tubes in use? Page#' 4 l� Permit: NCO089290 Owner - Facility: Hugh A. Lagle WTP Inspection Date: 03/07/2019 Inspection Type: Compliance Evaluation De -chlorination Yes No NA NE Comment: 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? M ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? M ❑ ❑ ❑ Comment: SCADA records flow constantly. Flow meter was calibrated on 2/12/2019 Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ 0 ❑ Is sample collected below all treatment units? 0 ❑ ❑ ❑ Is proper volume collected? M ❑ ❑ ❑ Is the tubing clean? ❑ ❑ 0 ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees M ❑ ❑ ❑ Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: Grab samples are taken and stored on ice Statesville Analytical analyzes the water samples. 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? ❑ ❑ M ❑ Comment: Page# 5