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Home My WebLink AboutNC0069523_Compliance Inspection (BIMS Report)_20180416United 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 15 I 3 I NCO069523 111 12 I 18/04/04 I17 18 I S i 19 LG] i 201 I 211111 1 1 1 1 1 111 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 111 1 1 1 1 1 166 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ----------------------Reserved------------------- 67 70II 71 I I 72 I r I 73I I 74 751 I I I 1 1 1 I80 I—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) 02:20PM 18/04/04 13/12/01 Tallwood Estates WWTP 4988 Brief Rd Exit Time/Date Permit Expiration Date Indian Trail NC 28079 03:10PM 18/04/04 18/10/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Danny L Smith/ORC// Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Edward Goscicki,500 N Main St -Ste 500 Monroe NC 281124730/Public Works Director/704-296-4212/7042964232 No 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 Roberto Scheller DocuSignedby: MROWQ//252-946-6481/ ESr�,e,CCati, 4/17/2018 91 C2A007838943E... Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date W. Corey Basinger MRO WQ//704-235-2194/ EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. DocuSigned by: 4/23/2018 Page# EA14CC681AF27425... NPDES yr/mo/day Inspection Type NCO069523 111 121 18/04/04 1 17 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCO069523 Owner - Facility: Tallwood Estates WWTP Inspection Date: 04/04/2018 Inspection Type: Compliance Evaluation Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new 0 ❑ ❑ ❑ application? 0 ❑ ❑ ❑ 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: Current permit was issued on December 1, 2013 and expires on October 31, 2018. 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? 0 ❑ ❑ ❑ 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 CM 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? 0 ❑ ❑ ❑ Comment: Union County Performance Summary reviewed for fiscal year 2016-2017. Tallwood Estates reported on Table 3-5. No permit violations reported in FY2017. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Page# 3 Permit: NCO069523 Owner - Facility: Tallwood Estates WWTP Inspection Date: 04/04/2018 Inspection Type: Compliance Evaluation Operations & Maintenance Yes No NA NE Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: Facality appeared to be well operated and maintained. 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: Chemical Feed Yes No NA NE Is containment adequate? 0 ❑ ❑ ❑ Is storage adequate? 0 ❑ ❑ ❑ Are backup pumps available? 0 ❑ ❑ ❑ Is the site free of excessive leaking? 0 ❑ ❑ ❑ Comment: Lime slury is being added at head of aeration basins to improve alkalinity in MLSS. 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: Debris is disposed of in dumpster at Crooked Creek WWTP and removed to landfill for final disposal. Aerobic Digester Is the capacity adequate? Yes No NA NE ■ ❑ ❑ ❑ Page# 4 Permit: NCO069523 Inspection Date: 04/04/2018 Owner - Facility: Tallwood Estates WWTP Inspection Type: Compliance Evaluation Is the clarifier free of black and odorous wastewater? ■ ❑ 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: Sludge is dewatered and hauled to Crooked Creek. Final disposal is done under land application permmit #W00007486 and South Carolina land application permit #ND0089004. 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 Diffused to be well mixed. 1 of 2 aeration Is the clarifier free of black and odorous wastewater? ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ Comment: MLSS in aeration basin had good color and appeared to be well mixed. 1 of 2 aeration Is the clarifier free of black and odorous wastewater? 0 ❑ basins were in operation at time of inspection. One of the 2 aeration basins was down for ❑ Is the site free of excessive buildup of solids in center well of circular clarifier? maintenance. ❑ ❑ ❑ Are weirs level? 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: Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? 0 ❑ ❑ ❑ Is the site free of excessive buildup of solids in center well of circular clarifier? 0 ❑ ❑ ❑ Are weirs level? 0 ❑ ❑ ❑ Is the site free of weir blockage? 0 ❑ ❑ ❑ Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑ Is scum removal adequate? 0 ❑ ❑ ❑ Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Page# 5 Permit: NCO069523 Inspection Date: 04/04/2018 Secondary Clarifier Owner - Facility: Tallwood Estates WWTP Inspection Type: Compliance Evaluation 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: Effluent from secondary clarifier was clear with few visable suspended solids. Filtration (High Rate Tertiary) Type of operation: Is the filter media present? Is the filter surface free of clogging? Is the filter free of growth? Is the air scour operational? Is the scouring acceptable? Is the clear well free of excessive solids and filter media? Comment: Filter is fitted with fabric filter media and was in auto backwash Effluent from filter was clear with no visible suspended solids. Disinfection - UV Are extra UV bulbs available on site? Are UV bulbs clean? Is UV intensity adequate? Is transmittance at or above designed level? Is there a backup system on site? Is effluent clear and free of solids? e at time of ins Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ M ❑ ❑ ❑ ❑ ❑ ❑ ■ Yes No NA NE Cross flow ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ M ❑ ❑ ❑ ❑ ❑ ❑ ■ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Comment: UV bulbs are changed out once a year. Effluent from UV unit was clear with no visible suspended solids. 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)? Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 6 Permit: NCO069523 Owner - Facility: Tallwood Estates WWTP Inspection Date: 04/04/2018 Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: At time of inspection sampler temperature was recorded <5 degrees Celsius. Flow meter was documented as being calibrated on September 19, 2017 by CITI, LLC in Charlotte, NC. Standby Power Is automatically activated standby power available? Is the generator tested by interrupting primary power source? Is the generator tested under load? Was generator tested & operational during the inspection? Do the generator(s) have adequate capacity to operate the entire wastewater site? Is there an emergency agreement with a fuel vendor for extended run on back-up power? Is the generator fuel level monitored? Comment: M ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ Page# 7