Loading...
HomeMy WebLinkAboutNC0038784_Compliance Evaluation Inspection_20190104 ROY COOPERE \' Governor �-� • MICHAEL S.REGAN ` , 411: IOW' 'j Secretary LINDA CULPEPPER Director NORTH CAROLINA Environmental Quality January 4, 2019 MR. SHANNON V.BECKER—PRESIDENT AQUA NORTH CAROLINA,INC. RECEIVED/DENR/DWR 202 MACKENAN COURT CARY,NORTH CAROLINA 27511 JAN 0 7 2019 Water Resources Subject: Compliance Evaluation Inspection Permitting Section NPDES Permit No. NC0038784 Neuse River Village MHP WWTP Wake County Dear Mr. Becker: On December 28, 2018, Cory Larsen with Wake County Department of Environmental Services, on behalf of the Division of Water Resources, performed a compliance evaluation inspection of the subject wastewater treatment system to evaluate compliance with the subject permit to discharge wastewater. Peter Rhodes and Todd Marcom, ORC, were present for the inspection and provided valuable assistance. Please refer to the attached inspection report for full results. On the day of the inspection, the plant was operating normally and producing good quality clear effluent. Equipment upgrades at the plant were noted since the previous inspection and overall the WWTP appeared well-operated. We appreciate your efforts to maintain compliance with your NPDES permit. If you have any questions regarding this inspection or ever require technical assistance please contact Cory Larsen at 919-480-9998 /cory.larsen@,wakegov.com or me at(919) 791-4200. Sincerel , cif! Rick Bolich, L.G., Assistant Regional Supervisor Division of Water Resources, Water Quality Regional Operations Section Enclosure: EPA Water Compliance Inspection Report cc: Wake County Department of Environmental Services File RRO File Central Files NPDES Permitting Unit Peter Rhodes—Aqua NC,Inc. (202 MacKenan Ct. Cary,NC 27511) DEQ� ucnenmenf of um omnzot f ousnry North Carolina Department of Environmental Quality I Division of Water Resources I Raleigh Regional Office 3800 Barrett Drive 11628 Mail Service Center I Raleigh,North Carolina 27699-1628 919.791.4200 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 u 2 u , 3 I NC0038784 pi 121 18/12/28 117 18I2I 19 I s I 20l I 21111I I I I I I I I1 1 1 I I I I I I I I I I I 1 1 1 1 1 I I I I I II I I I I 1 f6 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA Reserved 67 1 I 70 1 1 71 I 1 72 Ll ,,,-1 1 I "1 1 I74 75I 1 I 1 1 1 1 180 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 permit Number) 11 30AM 18/12/28 18/03/01 Neuse River Village VW TP 7001 Poole Rd Exit Time/Date Permit Expiration Date Raleigh NC 27604 01 OOPM 18/12/28 23/02/28 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Burnice Todd Marcom/ORC/919-625-2625/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Shannon V Becker,202 Mackenan Ct Cary NC 27511/President/919-653-5570/ Yes Section C Areas Evaluated During Inspection(Check only those areas evaluated) ▪ Permit • Flow Measurement IN Operations&Maintenance III Records/Reports II Self-Monitoring Program Ill Sludge Handling Disposal • Facility Site Review MI Effluent/Receiving Waters • Laboratory • Other 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 ' Cory Larsen 0.4,14,.. RRO WQ//919-856-7443/ 01/03/19 Signature of Manage ent Q Reviewer Agency/Office/Phone and Fax Numbers D to 1 /. EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. Page# 1 ' NPDES yr/mo/day Inspection Type 1 31 NC0038784 111 121 18/12/28 117 18 Li l Section D Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) WOES performed the compliance inspection on Dec. 28 2018 with Peter Rhodes and Todd Marcom, ORC. The plant was well maintained and operating well the day of the inspection. New equipment and plant upgrades were noted. No compliance issues were identified by the inspector. WOES/CL. , Page# 2 Permit: NC0038784 Owner-Facility Neuse River Village VVWTP Inspection Date: 12/28/2018 Inspection Type: Compliance Evaluation Other Yes No NA NE Comment 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 • El ❑ ❑ Solids, pH, DO,Sludge Judge, and other that are applicable? Comment. Plant has been upgraded with various new equipment and is in good condition. Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new • ❑ ❑ ❑ 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? • ❑ El El Is the inspector granted access to all areas for inspection? I ❑ ❑ El Comment Securely fenced VV/VfP. Permit renewed 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? • El ❑ ❑ Are all records maintained for 3 years(lab reg. required 5 years)? • 0 ❑ ❑ Are analytical results consistent with data reported on DMRs? • ❑ ❑ ❑ Is the chain-of-custody complete? • ❑ El El Dates,times and location of sampling El Name of individual performing the sampling ❑ Results of analysis and calibration ❑ Dates of analysis El Name of person performing analyses El Transported COCs ❑ Are DMRs complete do they include all permit parameters? • 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 operator El El • El • on each shift? Is the ORC visitation log available and current? ■ El El ❑ Page# 3 Permit: NC0038784 Owner-Facility: Neuse River Village WNTP Inspection Date: 12/28/2018 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE 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? ❑ ❑ ❑ III Comment. New permit onsite Logbook completed daily by ORC. Operations log completed. Effluent pH 6 7, DO 6.44 Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? U ❑ ❑ ❑ 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' Effluent pipe was submerged in the Neuse River the day of inspection. Flow Measurement-Effluent Yes No NA NE #Is flow meter used for reporting? ® ❑ ❑ ❑ Is flow meter calibrated annually? ® ❑ ❑ ❑ Is the flow meter operational? I 0 0 0 (If units are separated) Does the chart recorder match the flow meter? ® ❑ 0 ❑ Comment ISCO 4210 cal'd 8/23/18 by Horizon Engineering Q 12/22/18 = 15,720 GPD. Aerobic Digester Yes No NA NE Is the capacity adequate? ❑ ❑ ❑ Is the mixing adequate? ® 0 0 0 Is the site free of excessive foaming in the tank? • ❑ 0 0 #Is the odor acceptable? • 0 0 ❑ #Is tankage available for properly waste sludge? ® 0 0 0 Comment Digester was aerated. 2/3 full, no odor. Hauled by GF. Chemical Feed Yes No NA NE Is containment adequate? ® 0 ❑ 0 Is storage adequate? ® 0 ❑ ❑ Are backup pumps available? ❑ 0 0 • Page# 4 Permit: NC0038784 Owner-Facility Neuse River Village VVVVTP Inspection Date: 12/28/2018 Inspection Type: Compliance Evaluation Chemical Feed Yes No NA NE Is the site free of excessive leaking? • ❑ ❑ 0 Comment: NaOH fed for pH control to splitter box Liquid chlorine fed for additional disinfection Pump Station -Influent Yes No NA NE Is the pump wet well free of bypass lines or structures? 0 0 ❑ NI Is the wet well free of excessive grease? ❑ ❑ 0 • Are all pumps present? 0 0 0 • Are all pumps operable? ❑ 0 ❑ • Are float controls operable? ❑ ❑ ❑ Is SCADA telemetry available and operational? ❑ ❑ 0 • Is audible and visual alarm available and operational? 0 0 0 • Comment: Influent lift station appeared to operating normally 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 0 ❑ Is disposal of screening in compliance? IN 0 ❑ ❑ Is the unit in good condition'? Si ❑ ❑ ❑ Comment- Bar screen manually raked. Equalization Basins Yes No NA NE Is the basin aerated? • ❑ 0 ❑ Is the basin free of bypass lines or structures to the natural environment? ® 0 0 0 Is the basin free of excessive grease'? • ❑ ❑ 0 Are all pumps present? S 0 ❑ ❑ Are all pumps operable'? • 0 ❑ ❑ Are float controls operable'? • 0 0 0 Are audible and visual alarms operable? • 0 0 ❑ #Is basin size/volume adequate'? • ❑ 0 ❑ Page# 5 Permit: NC0038784 Owner-Facility: Neuse River Village wwTP Inspection Date: 12/28/2018 Inspection Type. Compliance Evaluation Equalization Basins Yes No NA NE Comment: All components operated normal. Secondary Clarifier Yes No NA NE 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? ■ El ❑ ❑ Is the site free of weir blockage? • • El ❑ ❑ Is the site free of evidence of short-circuiting? U El ❑ ❑ Is scum removal adequate? ■ ❑ ❑ ❑ Is the site free of excessive floating sludge? ® ❑ El ❑ Is the drive unit operational? El ❑ ■ ❑ Is the return rate acceptable(low turbulence)? 0 El ❑ ❑ Is the overflow clear of excessive solids/pin floc? _ • El ❑ ❑ Is the sludge blanket level acceptable?(Approximately'/4 of the sidewall depth) ■ ❑ El ❑ • Comment Clarifier skimmers were working well to remove scum present. Effluent over weir was free of solids-both units. Aeration Basins Yes No NA NE Mode of operation Ext Air Type of aeration system Is the basin free of dead spots? m ❑ ❑ ❑ Are surface aerators and mixers operational? El El III ❑ Are the diffusers operational? ■ ❑ ❑ ❑ Is the foam the proper color for the treatment process? I ❑ El ❑ Does the foam cover less than 25%of the basin's surface? • ❑ El El Is the DO level acceptable? • El El ❑ Is the DO level acceptable?(1.0 to 3 0 mg/I) • ❑ El ❑ Comment. ABs were light brown color. < 10%foam coverage. new fine bubble diffusers have replaced old coarse bubble type. Improved oxygen transfer to water column. One blower runs 24/7, alternates with backup. Disinfection - UV Yes No NA NE Are extra UV bulbs available on site? U ❑ ❑ ❑ Page# 6 a Permit. NC0038784 Owner-Facility Neuse River Village VNNTP Inspection Date 12/28/2018 Inspection Type: Compliance Evaluation Disinfection - UV Yes No NA NE 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? II 0 0 ❑ Comment UV was operating as designed. De-chlorination Yes No NA NE Type of system? Tablet Is the feed ratio proportional to chlorine amount(1 to 1)? • ❑ ❑ ❑ Is storage appropriate for cylinders? 0 ❑ 0 ❑ #Is de-chlorination substance stored away from chlorine containers? ❑ ❑ ❑ ❑ Are the tablets the proper size and type? MI ❑ 0 ❑ Comment. Tablet chlorinator on back of polishing pond was stocked with tabs. Are tablet de-chlorinators operational? • ❑ ❑ ❑ Number of tubes in use? Comment. Disinfection-Liquid Yes No NA NE Is there adequate reserve supply of disinfectant? • ❑ 0 ❑ (Sodium Hypochlonte)Is pump feed system operational? • ❑ 0 ❑ Is bulk storage tank containment area adequate? (free of leaks/open drains) • ❑ ❑ ❑ Is the level of chlorine residual acceptable? • ❑ ❑ ❑ Is the contact chamber free of growth,or sludge buildup? • ❑ 0 ❑ Is there chlorine residual prior to de-chlorination? MI ❑ ❑ ❑ Comment: Chlorine is fed for disinfection prior to polishing pond. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? • 0 0 ❑' Is sample collected below all treatment units? • 0 ❑ ❑ Is proper volume collected? • ❑ ❑ ❑ Is the tubing clean? • 0 ❑ ❑ Page# 7 Permit. NC0038784 Owner-Facility Neuse River Village wwTP Inspection Date: 12/28/2018 Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE #Is proper temperature set for sample storage(kept at less than or equal to 6 0 degrees 1.1 ❑ ❑ ❑ Celsius)? Is the facility sampling performed as required by the permit(frequency,sampling type e 0 ❑ 0 representative)? Comment. Sampler was cold and clean. Standby Power Yes No NA NE Is automatically activated standby power available? • ❑ 0 ❑ Is the generator tested by interrupting primary power source? 0 ❑ ❑ ❑ Is the generator tested under load? 0 ❑ ❑ ❑ • Was generator tested&operational during the inspection? ❑ 0 0 0 Do the generator(s)have adequate capacity to operate the entire wastewater site? 0 0 ❑ 0 Is there an emergency agreement with a fuel vendor for extended run on back-up power? ❑ 0 ❑ ❑ Is the generator fuel level monitored? 0 ❑ ❑ 0 Comment Trailer mounted generator parked at site. Was used during recent storm/power outage Lagoons Yes No NA NE Type of lagoons? Facultative #Number of lagoons in operation at time of visit? 1 Are lagoons operated in? #Is a re-circulation line present? ❑ 0 ❑ 0 Is lagoon free of excessive floating materials? ❑ ❑ ❑ 0 #Are baffles between ponds or effluent baffles adjustable? ❑ ❑ ❑ ❑ Are dike slopes clear of woody vegetation? ❑ 0 ❑ ❑ Are weeds controlled around the edge of the lagoon? ❑ ❑ 0 0 Are dikes free of seepage? 0 0 ❑ ❑ Are dikes free of erosion? 0 0 0 0 Are dikes free of burrowing animals? 0 ❑ ❑ 0 #Has the sludge blanket in the lagoon(s)been measured periodically in multiple ❑ ❑ 0 0 locations? #If excessive algae is present, has barley straw been used to help control the growth? ❑ ❑ ❑ ❑ Is the lagoon surface free of weeds? 0 0 ❑ 0 Is the lagoon free of short circuiting? ❑ ❑ ❑ ❑ Page# 8 a I Permit: NC0038784 Owner-Facility: Neuse River Village V VVTP Inspection Date: 12/28/2018 Inspection Type: Compliance Evaluation Lagoons Yes No NA NE Comment. Lined polishing pond was free of duckweed and algae Effluent appeared pretty clear. Some fine sludge was settled on bottom so the pond is working to remove TSS. Pond doesn't surge. Solids are removed periodically by draining pond and cleaning Page# 9