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HomeMy WebLinkAboutNC0021491_Compliance Evaluation Inspection_20220531ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Kenneth Gamble, Town Manager Town of Mocksville 171 S. Clement Street Mocksville, NC 27028 NORTH CAROLINA Environmental Quality May 31, 2022 SUBJECT: Compliance Evaluation Inspection Dutchman's Creek WWTP NPDES Permit No. NC0021491 Davie County Dear Mr. Gamble, On May 12, 2022, Gary Hudson of this office met with Dennis Murdock, ORC, Todd Richardson, BUORC, Madalyn Mills, Dave McDaniel, and Josh Powers to perform a Compliance Evaluation Inspection at the above referenced 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@ncdenr.gov or lon.snider@ncdenr.gov. Sincerely, I DocuSiigrned b<y: C 1 . 3M4tf 145B49E225C94EA... Lon Snider Regional Supervisor Water Quality Regional Operations Division of Water Resources Attachments: EPA Water Compliance Inspection Report cc: WSRO GDE NORTH C CUNA ' umm mr� eo..of o�.i North Carolina Department of Environmental Quality I Division of Water Resources Winston-Salem Regional Office 1450 W. Hanes Mill Rd, Suite 300 I Winston-Salem, North Carolina 27105 336.776.9800 United States Environmental Protection Agency E PA 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 IN Code I 2 IL NPDES yr/mo/day Inspection Type Inspector Fac I 3 I NC0021491 111 12I 22/05/12 117 1810I 19I S I 2011 Type 21IIIIII IIIIIIIIIII IIIIIII I IIIIII IIIIIIIIIII P6 Inspection 671 Work Days Facility Self -Monitoring I 70I Evaluation Rating I 711 B1 1 72 QA I N I 73I 1 I I Reserved 74 71 I I I I I I 180 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES oermit Number) Dutchman Creek WWTP 295 Garwood Rd Mocksville NC 27028 Entry Time/Date 10:OOAM 22/05/12 Permit Effective Date 14/11/01 Exit Time/Date 11:30AM 22/05/12 Permit Expiration Date 19/06/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Dennis W Murdock/ORC/828-238-4659/ Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Kenneth W Gamble,171 S Clement St Mocksville NC 27028/Town of Manager/336-751-9187/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Facility Site Review 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 Reviewer Agency/Office/Phone and Fax Numbers Date DocuSigned by: 5/31/2022 FL—o, T. Sti�dcr PA orm ib25 -934 ( 9-94) EPA �orm .ii bb�U�-..ii Kev Previous editions are obsolete. Page# 1 3I NPDES yr/mo/day N C0021491 I11 121 22/05/12 117 Inspection Type 18 [j 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) *The current permit expired on 06/30/2019. A permit renewal application was submitted in 2018 but was put on hold by Raleigh. *Mr. Murdock does a very good job with regards to keeping records. *The flow meter was calibrated on March 10, 2022. *The new secondary clarifiers were clean and operating properly. *The WWTP appeared to be well operated and maintained. No discrepancies were noted during the inspection. Page# 2 Permit: NC0021491 Inspection Date: 05/12/2022 Owner - Facility: Dutchman Creek WWTP 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 MODE application? Is the facility as described in the permit? ❑ El • El # Are there any special conditions for the permit? ❑ ❑ El • Is access to the plant site restricted to the general public? • ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? • ❑ ❑ ❑ Comment: The current permit expired on 06/30/2019. A permit renewal application was submitted in 2018 but was put on hold by Raleigh. Record Keeping Are records kept and maintained as required by the permit? 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? 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: Mr. Murdock does a very good job with regards to keeping records. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ▪ El El El • ❑ ❑ ❑ Flow Measurement - Effluent Yes No NA NE Page# 3 Permit: NC0021491 Inspection Date: 05/12/2022 Owner - Facility: Dutchman Creek WWTP Inspection Type: Compliance Evaluation Flow Measurement - Effluent # 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? Comment: The flow meter was calibrated on March 10, 2022. Yes No NA NE • ❑ ❑ ❑ Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Surface Is the basin free of dead spots? • ❑ El El Are surface aerators and mixers operational? ■ El El El Are the diffusers operational? El El • El Is the foam the proper color for the treatment process? • El El El Does the foam cover less than 25% of the basin's surface? • El El El Is the DO level acceptable? El El El • Is the DO level acceptable?(1.0 to 3.0 mg/I) El El El • Comment: The aeration basin appeared to be operating properly. 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: The new secondary clarifiers were clean and operating properly. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Operations & Maintenance Yes No NA NE Page# 4 Permit: NC0021491 Inspection Date: 05/12/2022 Owner - Facility: Dutchman Creek WWTP Inspection Type: Compliance Evaluation 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 MODE Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: The WWTP appeared to be well operated and maintained. No discrepancies were noted during the inspection. Page# 5