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Home My WebLink AboutNC0026913_Compliance Evaluation Inspection_20211101R.OY COOPER. Governor ELIZABETH S. BISER Secretary S. DANIEL SMITH Director Ryan Wilmoth, Town Manager Town of Sparta 304 S. Main Street Sparta, NC 28675 NORTH CAROLINA Environmental Quality October 29, 2021 SUBJECT: Compliance Evaluation Inspection Town of Sparta WWTP NPDES Permit No. NC0026913 Alleghany County Dear Mr. Wilmoth, On October 19, 2021, Gary Hudson of this office met with Bobby Shaw and Wesley Weaver 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, FDocuSigned by: LJn. l . Jn.IAhr 145B49E225C94EA... Lon Snider Regional Supervisor Water Quality Regional Operations Division of Water Resources Attachments: EPA Water Compliance Inspection Report cc: WSRO NORTH D E Department of Dnimumom.i au.i` North Carolina Department of Environmental Quality Division of Water Resources Winston-Salem Regional Office 450 West Hanes Mill Road, 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 21IIIIII Code NPDES yr/mo/day Inspection I 2 LI 3 I NC0026913 111 121 21/10/19 117 Type 1810I IIIIIIIIIII Inspector Fac Type 19I S I 2011 IIIIIIIIIII IIIIIII I IIIIII P6 Inspection 671 Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved I 70I I 711 172 I N I 731 1 74 71 I I 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 Dermit Number) Sparta WWTP 140 River Rd Sparta NC 28675 Entry Time/Date 10:OOAM 21/10/19 Permit Effective Date 17/02/01 Exit Time/Date 12:30PM 21/10/19 Permit Expiration Date 21/03/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Bobby D Shaw/ORC/336-372-4257/ Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Bryan Edwards,PO Box 99 Sparta NC 28675/Town Manager/336-372-4257/3363722051 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran Facility Site Review Effluent/Receiving Wate 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: 10/28/2021 FL—o, T. SA,�dcr 145B49E225C94EA... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# 1 3I NPDES yr/mo/day NC0026913 111 121 21/10/19 117 Inspection Type 18 [j (Cont.) 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) *The permit expired on March 31,2021. A permit renewal application has been submitted on October 8, 2020. *The WWTP appeared to be well operated and maintained. No discrepancies were noted during the inspection. *Mr. Shaw and Mr. Weaver do a very good job with regards to keeping records. *The aeration basin appeared to be operating properly. *The secondary clarifier appeared to be working properly. The effluent leaving the clarifier was very clear on the day of the inspection. However, there was an oily sheen in a few places on the clarifier surface from a leaking drive unit. *The effluent leaving the WWTP was very clear on the day of the inspection. Page# 2 Permit: NC0026913 Inspection Date: 10/19/2021 Owner - Facility: Sparta 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? • ❑ ❑ ❑ # Are there any special conditions for the permit? El • El El Is access to the plant site restricted to the general public? • ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? • ❑ ❑ ❑ Comment: The permit expired on March 31,2021. A permit renewal application has been submitted on October 8, 2020. 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. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • El El 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 Are analytical results consistent with data reported on DMRs? • El El El Is the chain -of -custody complete? • El El El 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? • El El El Has the facility submitted its annual compliance report to users and DWQ? ■ El El El (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified El El • El operator on each shift? Is the ORC visitation log available and current? • El El El Is the ORC certified at grade equal to or higher than the facility classification? • El El El Page# 3 Permit: NC0026913 Inspection Date: 10/19/2021 Owner - Facility: Sparta WWTP Inspection Type: Compliance Evaluation Record Keeping 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? Yes No NA NE • ❑ ❑ ❑ ▪ El El El • ❑ ❑ ❑ Comment: Mr. Shaw and Mr. Weaver do a very good job with regards to keeping records. Sequencing Batch Reactors Type of operation: Is the reactor effluent free of solids? Does minimum fill time correspond to the peak hour flow rate of the facility? Is aeration and mixing cycled on and off during fill? The operator understands and can explain the process? Comment: Yes No NA NE Simplex, Single • ❑ ❑ ❑ • ❑ ❑ ❑ Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Diffused Is the basin free of dead spots? • ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ • ❑ Are the diffusers operational? • ❑ ❑ ❑ Is the foam the proper color for the treatment process? • El ❑ ❑ Does the foam cover less than 25% of the basin's surface? • El El El Is the DO level acceptable? ❑ ❑ ❑ • 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? Yes No NA NE • ❑ ❑ ❑ Page# 4 Permit: NC0026913 Inspection Date: 10/19/2021 Owner - Facility: Sparta WWTP Inspection Type: Compliance Evaluation Secondary Clarifier 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 effluent leaving the WWTP was very clear on the day of the inspection. Effluent Pipe Is right of way to the outfall properly maintained? 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: The effluent leaving the WWTP was very clear on the day of the inspection. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ Page# 5