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Home My WebLink AboutNC0069523_Compliance Evaluation Inspection_20161013a a a WaterResourceS ENVIRONMENTAL (DUALITY October 13, 2016 Mr. Edward Goscicki, PE Union County Department of Public Works 500 North Main Street, Suite 600 Monroe, NC 28112 Dear Mr. Goscicki: PAT MCCR'ORY Governor DONALD R. VAN DER VAART Secretary S. JAY ZIMMERMAN Director RRECe1VEU�1, Ec�lUkNR OCT 17 2016 wJ u'r Quality Pesm;t�ing SUBJECT: Compliance Evaluation Inspection Tallwood Estates WWTP NPDES Permit NCO069523 Union County, NC On October 12, 20.16, Roberto Scheller of this Office conducted an inspection at the subject facility. This inspection was conducted as a Compliance Evaluation. Inspection (CEI) to insure. compliance with permit requirements and conditions. At the time of inspection facility appeared to be well maintained and operated. We wish to thank you and the operating staff for assistance regarding -this inspection. The enclosed report should be self-explanatory; however, should you have any questions, please do not hesitate -to, contact myself of Roberto Scheller at (704) 235-2204 or roberto.scheller@ncdenr.gov. United States Environmental Protection Agency Form Approved. EPA Washington, D.C. 20460 OMB No. 2040-0057 Water..Compliance. Inspection" Report Approval expires 8.-31-96 " Section A: National Data Systern"Coding (i.e., "PCS) Transaction Code NPDES yr/mo/day Inspection Type .Inspector Fac Type 1 IN i 2 h I 3 I NC0069523 I11 12 16/10/12 J17 18 I S I .19 I s i 201 211 11 I I 1 1 1 1 1 1 1 1 I I I 1 1 1 1, 1 1 1 1 I I 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 i66 Inspection Work Days - Facility Self-Monitoring Evaluation Rating 131 QA Reserved-- 67 70 71 ilI 72 LNJ 73LL174 751 1 1 1 80 I I I Section B: FacilityData Name'and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry Time/Date Permit Effective Date POTW name and NPDES permit Number) 10:00AM 16/10/12 13/12/01 Tallwood Estates WWTP Exit Time/Date Permit Expiration Date 4988 Brief Rd Indian Trail'NC 28079 12:23PM 16/10/12 18/10/31 Name(s) of Onsite Representative(s)/-ritles(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 Directorf704-296-4212/7042964232 No ' Section C: Areas Evaluated, During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenance E Records/Reports - Self-Monitoring Program ESludge Handling Disposal Facility Site Review E 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 Inspectors) Agency/Office/Phone and -Fax Numbers Date Roberto Scheller MRO WQ//252-946-6481/ t 10/1 ac�l�a " Signature,of Management-Q A Reviewer Agency/Office/Phone and Fax Numbers Date W. Corey Basinger MRO WQ//704-23572194/ I. - . Page# A ` y R NPDES yr/mo/day Inspection Type 1 31 NCd069523 I11 12I '16/10n2 j 17 18I i Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) -Record Keeping Yes No NA -NE' Are records. kept and maintained as required by the permit? ❑ ❑ ❑ Is all -required information readily available, complete and current? -; M , ❑ Permit: N00089523 OWner- Facility: Tallwood Estates WWTP •.. ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? , Inspection Date: 10/12/2016 Inspection Type: Compliance Evaluation ❑ ❑ -'Are analytical results consistent with data reported on DM Rs? 0 Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑. M 11 application? Dates, times -and location of sampling Is the facility as described in the permit? Name of individual performing the.sampling ❑ ❑ ❑ ; # Are there. any special conditions for the permit? Results of analysis and calibration ❑. ❑ ❑ Is access to the plant site restricted to the general public? M ❑' ❑ ❑' " Is the inspector granted access to all areas for inspection? E ❑ ❑ ❑ Comment: Permit was issued on December 1. 2013 and expires at midniaht-on October`31, 2018. -Record Keeping Yes No NA -NE' Are records. kept and maintained as required by the permit? ❑ ❑ ❑ Is all -required information readily available, complete and current? -; M , ❑ . ❑ . ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? , ❑ ❑ ❑ -'Are analytical results consistent with data reported on DM Rs? 0 ❑ ❑ ❑ Is the -chain -of -custody complete? M ❑ . ❑ ❑ 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 COCl 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 2417 with a certified. operator . ❑ ❑ 0 ❑ on each shift Is the O.RC visitation log available and current? E ❑ ❑ ❑ Is the ORC 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? ❑ ❑ ❑ Is a copy of the current NPDES permit available onsite? ❑ ❑ ❑ 0 Facility has copy of previous year's Annual Report on file for review? ❑ ❑ [j Comment: Records and reports are on file at the Crooked Creek WWTP. Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory?0. ❑ .❑ . ❑ Are all other parameters(excluding field parameters) performed by a certified lab?, ❑ .❑ ❑ Page 3 r Permit NCO069523 Owner -Facility: Tallwood Estates WWTP . . Inspection Date: 10/12/2016 Inspection Type:. Compliance Evaluation Laboratory Yes No NA NE # Is the facility using a contract lab? ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑ Celsius)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0:2 degrees? ❑ ; ❑ ❑ Incubator (Bob) set to 20.0 degrees Celsius +/-1.0 degrees? ❑ ❑ E ❑ Comment: Analyses are performed under Union County's Crooked Creek WVVfP and Twelve Mile Creek WWTP Laboratory Certifications (#328 and #575). Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? N ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MORT, Settleable M ❑ : E1 ❑ Solids, pH, DO, Sludge Judge, and other that are,applicable? Comment: - Facility 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? ❑ ` ❑ ❑ M, Is the wet well free of excessive grease? ❑ ❑ ❑. M Are all pumps present? M ❑ ❑ ❑ Are all pumps operable? M ❑ ❑ ❑ Are float controls operable? ❑ ❑ ❑ Is SCADA telemetry available and operational? M ❑ - ❑ ❑ Is audible and visual alarm available and -operational? ❑ ❑ : ❑ Comment: Influent Sampling Yes No NA NE # Is composite sampling flow proportional? ,. 5 M ❑ , El p above side streams? Is le collected sam M ❑ .❑ ❑ , Is proper volume collected? M ❑ ❑ ❑ Is the tubing clean? M ❑ ❑ ❑ # is proper temperature set for sample storage (kept at Less than or equal .to 6.0 degrees ❑ ❑ ❑ Celsius)? Is sampling performed according to the permit? M 0 ❑ ❑ Comment: ' At time of inspection influent sampler temp Was 3 degrees C. Page# 4 Permit' NC0069523 Inspection Date: 10/12/2016 Owner - Facility: Tallwood Estates WWTP Inspection Type: Compliance Evaluation Is the basin aerated? -1 Chemical Feed Yes `No NA NE Is containment adequate? 0 0 ❑ ❑ Is storage adequate? ❑ ❑ ❑ Are.backup pumps available? M ❑ ❑ ❑ Is the site free of excessive leaking? M ❑ ❑ ❑ 'Comment: A lime slury is pumped into head of aeration'basin. Equalization Basins Yes No NA NE Is the basin aerated? -1 El 11 Is the basin free of bypass lines or structures tothe natural environment? M ❑ ❑ ❑ . Is the basin free. of excessive grease? ❑, ❑ ❑ . Are all pumps present? M, ❑ ❑. ❑ Are all pumps,operable? M ❑ ❑ ❑ Are float controls operable? ❑ ❑' ❑ M Are audible and visual alarms operable? ❑ ❑ ❑ # Is basin size/volume adequate? .0- ❑ El 0 Comment: EQ basin was not being used at time of inspection. Bar Screens Yes No NA NE Type of bar screen a.Manual b.Mechanical Are the bars adequately screening debris? I ❑ Q ❑ Is the screen free of excessive debris? M ❑ ❑ E, " Is disposal. of screening in compliance? 0 ❑ ❑ ❑ Is the unit in good condition? 0 ❑ ❑ ❑ Comment: Fine`screen manual barscreen is in use at subiect facility. Debris desposed of at Crooked Creek WVVrP dumpster and taken to landfill. Aerobic Digester Yes No NA NE Is the capacity adequate? 'M ❑- ❑ 1.1 Is the mixing adequate? . M ❑ . ❑l ❑ Is the'site free -of excessive foaming in the tank? • ❑ �.❑ ❑ # Is"the odor acceptable? ❑ ❑ ❑ it Is tankage available for properly waste sludge? ❑ ❑ ❑ Page# 5 Page# 6 d. 1. Permit NCO069523 Owner - Facility: Tallwood Estates WWTP r Inspection Date: 10/12/2016 Inspection -Type: 'Compliance Evaluation Aerobic Digester Yes No NA NE Comment: Sludge is hauled to the Crooked Creek WWTP for final desposal. Aeration Basins Yes No NA NE Mode of operation Fact. Air Type of aeration system . Diffused Is the basin free of dead spots? N ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ 0 ❑ Are the diffusers operational? N ❑ ❑ ❑ Is the foam the proper color for the treatment process? 0 ❑ ❑ ❑ Does the foam cover less than 25% of the basin's surface? 0 ❑ ❑ ❑ Is the DO level acceptable? ❑ ❑ ❑ Is the DO level acceptable?(1.0 to 3.0 mg/1) E ❑ ❑. ❑ Comment: Pumps -RAS -WAS Yes No NA NE Are pumps in place? E ❑ ❑ ❑ Are pumps operational? 0 ❑ ❑ ❑ Are there -adequate spare parts and supplies on site? ❑ ❑ El 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 ' ❑ ,❑ El Are weirs level? 'E El ` ❑ El Is the site, free of weir, blockage? ❑ 0 ❑ ❑ Is the site free of evidence of short-circuiting? E ❑ ❑ ❑ Is scum removal adequate? E ❑ ❑ ❑ Is the site free of excessive floating sludge? .. 0 ❑ -:❑ Is the drive unit operational? �„ ❑ ❑ ❑ `Is the return rate acceptable (low turbulence)? Q • ❑ ❑ - Is the. overflow•clear of excessive solids/pin floc? ,0 ❑ TT is the sludge, blanket level acceptable? (Approximately % of the sidewall depth) Is ❑ _❑ ❑ N Page# 6 Permit: NCO069523 Owner - Facility: Tallwood Estates WWTP Inspection Date: 10/12/2016 Inspection Type: Compliance Evaluation Secondary Clarifier Yes No NA NE Comment: Weirs had build up of alga and were scheduled to be cleaned. Suspended solids were noted going over weirs to filter. 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: 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? Comment: 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)? Comment: At time of inspection effluent sampler was noted at 4 degrees C. • Flow Measurement - Effluent # Is flow meter used for reporting? Yes No NA NE Cross flow ❑ ❑ ❑ ■ ❑-❑ 11 ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ A ❑ ❑ ❑ Yes,No NA NE ❑ ❑ ❑ ■ N ❑ ❑ ❑ ❑ ❑ ❑ N ❑ ❑ ❑ N ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ M ❑ ❑ ❑ M ❑ ❑ ❑ ■ ❑ ❑ ❑ N ❑ ❑ ❑ N ❑ ❑ ❑ ❑ ❑ ❑ Yes No NA NE ❑ ❑ ❑ Page# 7 )I Permit:, NC0069523 Owner - Facility: Tallwood Estates W W'rP Inspection Date: 10/12/2016 Inspection Type: Compliance Evaluation Flow Measurement : Effluent Yes No NA NE Is flow meter calibrated annually? ❑ ❑ ❑ Is the flow meter operational? N . ❑ ❑ ❑ (If units are.separated) Does the chart recorder match the.flow meter? ❑. ❑ ❑ ❑ Comment: Checked flow meter read out with staff gauge on parshall flume. Standby Power Yes No NA WE .Is automatically activated standby power available? . ❑ ❑ ❑ Is the generator tested by interrupting primary power source? N ❑ ❑ ❑ Is the generator tested under load? M ❑ ❑ ❑ Was generator tested & operational during the inspection? ❑ ❑ 110 Do the generator(s) have adequate capacity to operate the entire wastewater site? M ❑ ❑.. ❑ Is there an emergency agreement with a fuel vendor for extended run on back-up power? M ❑ ❑ ❑ Is the generator fuel level monitored? 0 -❑ ❑ ❑ Comment: