The URL can be used to link to this page

Home My WebLink AboutNC0034860_Compliance Evaluation Inspection_20240318 (2)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 1 2 u 3 I NCO034860 111 121 24/03/12 I17 18 LC] I 19 I s I 20L] 21111I 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 r6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 67 1.0 701d I 711„ I 72 I r., I 71 I 74 79 I I I I I I I80 L—I ty L-1 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 Dermit Number) 09:45AM 24/03/12 15/11/01 Schneider Mills WWTP 1170 NC Hwy 16 N Exit Time/Date Permit Expiration Date Taylorsville NC 28681 11:30AM 24/03/12 20/07/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Darren David Web b/O RC/828-632-81 81/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Chip Swinnie,PO Box 519 Taylorsville NC 286810519/Plant Manager/828-632-8181/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran 0 Sludge Handling Dispo: Facility Site Review Effluent/Receiving Wate 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 DocuSignled by: Date Hannah Slep DWR/MRO WQ/704-235-2143/ ' J 3/18/2024 EBB057A2DE017498... Blane Houck DWR/MRO WQ/704-235-2168/ - _ — OriATuvia DWR/NPDES WW Permitting Unit/704-663- Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date DocuSigned by: Andrew Pitner DWR/MRO WQ/704-663-1699 Ext.2180/r L&,*. 3/18/2024 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. �-27DFMCF858043F Page# NPDES yr/mo/day Inspection Type NCO034860 I11 12I 24/03/12 117 18 i c i Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Joint inspection with blaine and hannah met Darren Webb on site. Page# Permit: NCO034860 Owner -Facility: Schneider Mills WWTP Inspection Date: 03/12/2024 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 subject permit expired on 7/31/2020. The permittee submitted a new application and is operating under the old permit while waiting on a new permit. 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? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ Comment: The records reviewed durinq the inspection were organized and well maintained. DMRs, COCs, Calibration logs and ORC visitation lops were reviewed for the period October 2023 through December 2023. ORC was instructed to onit report Tox results once per EDMR and put intials next to flow data measured. Page# 3 Permit: NCO034860 Inspection Date: 03/12/2024 Record Keeping Owner -Facility: Schneider Mills WWTP Inspection Type: Compliance Evaluation Laboratory Are field parameters performed by certified personnel or laboratory? Are all other parameters(excluding field parameters) performed by a certified lab? # Is the facility using a contract lab? # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? Yes No NA NE Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ Comment: On -site field analyses (dissolved oxygen, pH, temperature, total residual chlorine) are performed under the Company's field laboratory certification #5012. Water Tech Labs (BOD, TSS, ammonia, nutrients) and R & A Laboratories, Inc. (toxicity and metals) have also been contracted to provide analytical support. Effluent Sampling Is composite sampling flow proportional? Is sample collected below all treatment units? Is proper volume collected? Is the tubing clean? # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type representative)? Yes No NA NE ❑ ■ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ Comment: The subject permit requires both composite and grab effluent samples. The Division approved a variance to collect time -based composite samples on 5/26/1998 provided that the flows do not vary by more than 30% Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, 0 ❑ ❑ ❑ and sampling location)? Comment: 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 ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Page# 4 Permit: NCO034860 Inspection Date: 03/12/2024 Owner -Facility: Schneider Mills WWTP Inspection Type: Compliance Evaluation Operations & Maintenance Yes No NA NE Comment: The ORC incorporates a comprehensive process control program with all measurements beina DroDerIv documented and maintained on -site. Bar Screens Type of bar screen a.Manual b.Mechanical Are the bars adequately screening debris? Is the screen free of excessive debris? Is disposal of screening in compliance? Is the unit in good condition? Comment: Bar screenings are disposed at the Alexander County Landfill. Flow Measurement - Influent # 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? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ Comment: The influent flow meter (Outfall 001) is calibrated twice per year and was last calibrated by ISI on February 2024. The flows for Outfall 002 are based on the calculated backwash volume (3.150 aallons) and the number of backwash events Der day. Aeration Basins Mode of operation Type of aeration system 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? Does the foam cover less than 25% of the basin's surface? Is the DO level acceptable? Is the DO level acceptable?(1.0 to 3.0 mg/1) Yes No NA NE Ext. Air Surface ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ Page# 5 Permit: NCO034860 Inspection Date: 03/12/2024 Owner -Facility: Schneider Mills WWTP Inspection Type: Compliance Evaluation Aeration Basins Yes No NA NE Comment: Aqueous lime and soda ash are added to maintain appropriate pH/alkalinity levels. The ORC also adds food (BOD)/nutrient (nitrogen and phosphorus) supplements and selective microorganisms to maintain the biological treatment process. Due to the age of the blowers,the facility has an emergency plan in place to sned the flow to the town's WWTP in case one or both blowers fail. 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: Pumps-RAS-WAS Are pumps in place? Are pumps operational? Are there adequate spare parts and supplies on site? Comment: Yes No NA NE ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ Yes No NA NE ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ 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? ■ ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ 0 ❑ Comment: At the time of the inspection, the discharge appeared to be clear with trace amount of foam. Aerobic Digester Is the capacity adequate? Yes No NA NE ■ ❑ ❑ ❑ Page# 6 Permit: NC0034860 Inspection Date: 03/12/2024 Owner -Facility: Schneider Mills WWTP Inspection Type: Compliance Evaluation Aerobic Digester Yes No NA NE 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: Drying Beds Yes No NA NE Is there adequate drying bed space? 0 ❑ ❑ ❑ Is the sludge distribution on drying beds appropriate? 0 ❑ ❑ ❑ Are the drying beds free of vegetation? 0 ❑ ❑ ❑ # Is the site free of dry sludge remaining in beds? 0 ❑ ❑ ❑ Is the site free of stockpiled sludge? 0 ❑ ❑ ❑ Is the filtrate from sludge drying beds returned to the front of the plant? 0 ❑ ❑ ❑ # Is the sludge disposed of through county landfill? 0 ❑ ❑ ❑ # Is the sludge land applied? ❑ ■ ❑ ❑ (Vacuum filters) Is polymer mixing adequate? ❑ ❑ 0 ❑ Comment: The dewatered sludges from the wastewater treatment system (drying beds) and water treatment system are transported to the Alexander County Landfill for disposal. Page# 7