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Home My WebLink AboutNC0078115_Compliance Evaluation Inspection_20150223 NCDENR North Carolina Department of Environment and Natural Resources Division of Water Resources Water Quality Regional Operations Pat McCrory Donald R. van der Vaart Governor Secretary February 23, 2015 RECEIVEDIDENRIDWR Aqua North Carolina, Inc. Attn: Thomas J. Roberts, President MAR f'r A115 202 Mackenan Court woe Quality Cary, NC 27511 pennettiv Seo` SUBJECT: Compliance Evaluation Inspection Greystone Subdivision Wastewater Treatment Plant NPDES Permit: NC0078115 Forsyth County Dear Mr. Roberts: Ron Boone of the Winston Salem Regional Office (WSRO) of the North Carolina Division of Water Resources (DWR or the Division) conducted a compliance evaluation inspection of the Greystone Subdivision Wastewater Treatment Plant on February 10, 2015. The assistance and cooperation of Sam Pegram, Operator in Responsible Charge (ORC), was greatly appreciated. An inspection report is attached for your records and the inspection findings are summarized below. The Greystone Subdivision Wastewater Treatment Plant is located off the north end of Pine Creek Road in Kernersville, Forsyth County, North Carolina, at approximate coordinates 36.167662°, 80.086436°. Aqua North Carolina, Inc is authorized to operate this 0.032 million-gallon-per-day (MGD) wastewater treatment plant, which consists of a bar screen, an influent pump station, an equalization basin,dual extended aeration basins and clarifiers, a sludge digester, tablet chlorination and dechlorination, and a flow meter, and discharge treated effluent from outfall 001 of said treatment works, which is located approximately 25 feet east of the treatment works at approximate coordinates 36.167670°, 80.086130°,to Belews Creek, which is currently classified as Class C waters and is located in the Roanoke River Basin. SITE REVIEW Mr. Boone reviewed the entire plant with Mr. Pegram. No discrepancies or violations were noted. The plant appears to be operated and maintained very well. DOCUMENTATION REVIEW Mr. Pegram had all required documentation for the inspection and everything was complete and current. Mr. Boone found no discrepancies or violations. Mr. Pegram has done an excellent job of documenting his operation and maintenance of the plant. North Carolina Division of Water Resources,Winston-Salem Regional Office Location:450 West Hanes Mill Road,Suite#300,Winston-Salem,North Carolina 27105 Phone:336-776-98001 FAX:336-776-97971 Customer Service;1-877-623-6748 Internet:www.ncwaterquality.org An Equal Opportunity.Affirmative Action Employer Please keep up the excellent work in ensuring the Greystone Subdivision Wastewater Treatment Plant is properly operated and maintained and meeting all the terms and conditions of the permit. Please remember that violations of the permit are subject to enforcement actions not to exceed$25,000 per day,per violation. If you have any questions regarding the inspection or this letter, please do not hesitate to contact Mr. Boone or me at 336-776-9800.Thank you for your cooperation in this matter. Sincerely, .,,i4tS1(64-4°"4-4r--1 W.Corey Basinger Regional Supervisor Water Quality Regional Operations Division of Water Resources Attachments: 1. BIMS Inspection Report CC: Central Files NPDES Unit WSRO/SWP Files Aqua North Carolina, Inc. Attn:Sam Pegram,Operator in Responsible Charge 152-B Furlong Industrial Drive Kemersville, NC 27284 • 3 United States Environmental Protection Agency Form Approved. EPA Washington,D.C.20480 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 l�, 2 [ I 3 NC0078115 111 12 I 15/02/10 117 18 i I 19 1 . I 201 I lid Li J LJ 1=1 LJ 21111111 IIIII111 [ 1111111111 I IIIII IIIII111111 r Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA Reserved 671 1 70 U 71 U 72 1 731 1 174 75I 11 1 1 1 1 (80 • Section B:Facility Data LJ 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 15/02/10 12/05/01 Greystone Subdivision WWfP Lot 74 Creek Bed Rd Exit Time/Date • Permit Expiration Date 11:00AM 15/02/10 • 17/02/28 Kemersville NC 27284 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data 111 Samuel E.Pegram/ORC/704-489-9404/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Dustin K Metreveon,NCSR 1802 Salisbury NC 28144//704-788-9497/7047888006 No Section C:Areas Evaluated During Inspection(Check only those areas evaluated) • Permit II Flow Measurement • Operations&Maintenance • Records/Reports II Self-Monitoring Program • Sludge Handling Disposal II Facility Site Review II 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 Ron BooneZ 23 1 WSRO M/336-771-4967/ 45. Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. Page# 1 NPDES yr/mo/day Inspection Type 1 31 NC0078115 111 121 15/0.2110 1 17 18 ,_ Section D:Summary of Anding/Comments(Mach additional sheets of narrative and checklists as necessary) Please refer to the attached inspection summary letter. • • • • Paget. 2 Permit NC0078115 Owner-Facility: Greystone Subdivision WW1P Inspection Dab: 02/10/2015 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 0 • 0 application? Is the facility as described in the permit? U 0 0 0 #Are there any special conditions for the permit? 0 I 0 0 Is access to the plant site restricted to the general public? • 0 0 0 Is the inspector granted access to all areas for inspection? • 0 0 0 Comment: None Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? • 0 0 0 Is all required information readily available,complete and current? • 0 0 0 Are all records maintained for 3 years(lab. reg.required 5 years)? • 0 0 0 Are analytical results consistent with data reported on DMRs? • 0 0 0 Is the chain-of-custody complete? • 0 0 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 COCs • Are DMRs complete:do they include all permit parameters? • 0 0 0 Has the facility submitted its annual compliance report to users and DWQ? 0 0 • 0 (If the facility is=or>5 MGD permitted flow)Do they operate 24/7 with a certified operator 0 • 0 0 on each shift? Is the ORC visitation log available and current? • 0 0 0 Is the ORC certified at grade equal to or higher than the facility classification? • 0 0 0 Is the backup operator certified at one grade less or greater than the facility classification? U 0 0 0 Is a copy of the current NPDES permit available on site? I 0 0 0 Facility has copy of previous years Annual Report on file for review? 0 0 • 0 Comment: None Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? • 0 0 0 Are all other parameters(excluding field parameters)performed by a certified lab? U 0 0 0 Pages 3 Permit NC0078115 Owner-Facility: Greystone Subdivision VWVTP Inspection Date: 02/10/2015 Inspection Type: Compliance Evaluation Laboratory, Yes No NA NE #Is the facility using a contract lab? • 0 0 0 #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 0 0 0 Celsius)? Incubator(Fecal Coliform)set to 44.5 degrees Celsius+/-0.2 degrees? 0 0 0 • Incubator(BOD)set to 20.0 degrees Celsius+/-1.0 degrees? 0 0 0 • Comment: None Effluent Sampling Yes No NA NE Is composite sampling flow proportional? • 0 0 0 Is sample collected below all treatment units? • 0 0 0 Is proper volume collected? • 0 0 0 Is the tubing clean? • 0 0 0 #Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • 0 0 0 • Celsius)? Is the facility sampling performed as required by the permit(frequency,sampling type • 0 0 0 representative)? Comment: None Upstream/Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit(frequency,sampling type,and • 0 0 0 sampling location)? Comment: None Pump Station -Influent Yes No NA NE Is the pump wet well free of bypass lines or structures? • 0 0 0 Is the wet well free of excessive grease? • 0 0 0 Are all pumps present? • 0 0 0 Are all pumps operable? • 0 0 0 Are float controls operable? • 0 0 0 Is SCADA telemetry available and operational? • 0 0 0 Is audible and visual alarm available and operational? • 0 0 0 Comment: None Equalization Basins Yes No NA NE • Page# 4 • Permit NC0078115 Owner-Facility: Greystone Subdivision WWTP Inspection Date: 02/10/2015 inspection Type: Compliance Evaluation Equalization Basins • Yes No NA NE Is the basin aerated? • 0 0 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 0 0 Are all pumps present? • 0 0 0 Are all pumps operable? • 0 0 0 Are float controls operable? • 0 0 0 Are audible and visual alarms operable? • 0 0 0 #Is basin size/volume adequate? • 0 0 0 Comment: None Bar Screens Yes No NA NE Type of bar screen a.Manual • b.Mechanical 0 Are the bars adequately screening debris? • ❑ 0 0 Is the screen free of excessive debris? • 0 0 0 Is disposal of screening in compliance? • 0 0 0 Is the unit in good condition? • 0 0 0 Comment: None Aeration Basins Yes No NA NE Mode of operation Ext.Air Type of aeration system Diffused Is the basin free of dead spots? • 0 0 0 Are surface aerators and mixers operational? 0 0 • 0 Are the diffusers operational? • 0 0 0 Is the foam the proper color for the treatment process? • 0 0 0 Does the foam cover less than 25%of the basin's surface? U 0 0 0 Is the DO level acceptable? U 0 0 0 Is the DO level acceptable?(1.0 to 3.0 mg/I) • 0 0 0 Comment: None Secondary Clarifier Yes No NA NE Page# 5 Permit NC0078115 Owner-Facility: Greystone Subdivision VW 1p Inspection Date: 02/10/2015 Inspection Type: Compliance Evaluation Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater? • 0 0 0 Is the site free of excessive buildup of solids in center well of circular clarifier? 0 0 • 0 Are weirs level? • 0 0 0 Is the site free of weir blockage? • 0 0 0 Is the site free of evidence of short-circuiting? • 0 0 0 Is scum removal adequate? • 0 0 0 Is the site free of excessive floating sludge? • 0 0 0 Is the drive unit operational? 0 0 • 0 Is the return rate acceptable(low turbulence)? • 0 0 0 Is the overflow clear of excessive solids/pin floc? • 0 0 0 Is the sludge blanket level acceptable?(Approximately 1/4 of the sidewall depth) 0 0 0 • Comment: None • Disinfection-Tablet Yes No NA NE Are tablet chlorinators operational? • 0 0 0 Are the tablets the proper size and type? • 0 0 0 Number of tubes in use? 4 Is the level of chlorine residual acceptable? 0 0 0 • Is the contact chamber free of growth,or sludge buildup? • 0 0 0 Is there chlorine residual prior to de-chlorination? 0 0 0 • Comment: None De-chlorination Yes No NA NE Type of system? Tablet Is the feed ratio proportional to chlorine amount(I to I)? • 0 0 0 Is storage appropriate for cylinders? 0 0 • 0 #Is de-chlorination substance stored away from chlorine containers? • 0 0 0 Are the tablets the proper size and type? • 0 0 0 Comment: None Are tablet de-chlorinators operational? • 0 0 0 Number of tubes in use? 4 Comment: None Page# 6 • Permit NC0078115 Owner-Facility: Greystone Subdivision VWVIP inspection Date: 02/10/2015 inspection Type: Compliance Evaluation Pumps-RAS-WAS Yes No NA NE Are pumps in place? • 0 0 0 Are pumps operational? • 0 0 0 Are there adequate spare parts and supplies on site? • 0 0 0 Comment: None Flow Measurement-Effluent Yes No NA NE #Is flow meter used for reporting? • 0 0 0 Is flow meter calibrated annually? • 0 0 0 Is the flow meter operational? • 0 0 0 (If units are separated)Does the chart recorder match the flow meter? • 0 0 0 Comment: None • Effluent Pine Yes No NA NE Is right of way to the outfall properly maintained? • 0 0 0 Are the receiving water free of foam other than trace amounts and other debris? • 0 0 0 If effluent (diffuser pipes are required) are they operating properly? 0 0 • 0 Comment: None Aerobic Digester Yes No NA NE Is the capacity adequate? • 0 0 0 Is the mixing adequate? • 0 0 0 Is the site free of excessive foaming in the tank? • 0 0 0 #Is the odor acceptable? U 0 0 0 #Is tankage available for properly waste sludge? • 0 0 0 Comment: None Operations&Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • 0 0 0 Does the facility analyze process control parameters,for ex: MLSS,MCRT,Settleable • 0 0 0 Solids,pH,DO,Sludge Judge,and other that are applicable? Comment: None Page# 7