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Home My WebLink AboutNC0063720_Compliance Evaluation Inspection_20150429 4. Av AFbENR North Carolina Department of Environment and Natural Resources Pat McCrory Donald R. van der Vaart Governor Secretary April 29, 2015 Aqua North Carolina, Inc. Attn: Thomas J. Roberts, President 202 Mackenan Court Cary, NC 27511 SUBJECT: Compliance Evaluation Inspection RECEIVED/DENRIDWR Forest Ridge Wastewater Treatment Plant NPDES Permit: NC0063720 MAY 5 2015 Forsyth County Water Quality Dear Mr. Roberts: Permitting Section 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 Forest Ridge Wastewater Treatment Plant on January 20, 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 Forest Ridge Wastewater Treatment Plant is located near 6931 August Drive in Clemmons, Forsyth County, North Carolina, at approximate coordinates 36.060669° West, 80.397985° North. Aqua NC is authorized to operate this 0.033 million-gallon-per-day (MGD) wastewater treatment plant, which consists of aeration, secondary clarification, tablet chlorination, tablet dechlorination, post aeration, and sludge holding, and discharge treated effluent from outfall 001 of said treatment works, which is located approximately 270 feet east of the treatment works at approximate coordinates 36.060804° West, 80.397024° North, to Blanket Creek, which is currently classified as Class WS-IV(water supply)waters and is located in the Yadkin Pee-Dee 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. Please keep up the excellent work in ensuring the Forest Ridge 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. 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:336-776-9797\Customer Service;1-877-623-6748 Internet:www.ncwaterquality.org An Equal Opportunity\Affirmative Action Employer A 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, 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 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 ti 2 ISI 3 I NC0063720 111 121 15/01/20 117 18 ,. 19 12_1 201 I 21111111 11111111111 1111111 1 111111 111111 , 11 11 166 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA --- Reserved- 67[ 1 70I I 71 I L_ I 72 I N 1 I 731 1 174 71 1 1 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) 10:00AM 15/01/20 14/02/01 Forest Ridge WWTP Forest Ridge Subdivision Exit Time/Date Permit Expiration Date Clemmons NC 27012 11:00AM 15/01/20 18/12/31 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Samuel E.Pegram/ORC/704-489-9404/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Laurie Ison,4163 Sinclair St Denver NC 28037/Westem Area Manager/704-489-9404/ No Section C:Areas Evaluated During Inspection(Check only those areas evaluated) • Permit is Flow Measurement • Operations&Maintenance II Records/Reports Self-Monitoring Program II 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 Ron Boone WSRO WQ//336-776-9690/ Signaturefcbc24.4sr Y/2 foo anagementt Q A Reviewer Agency/Office/Phone and Fax Numbers Date tat 441`*11.----4 . ,e�— Pt- t — k i 21,4,,,,.4,E (4-- EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. Page# 1 NPDES yr/no/day Inspection Type 1 3I NC0063720 I11 121 15/01/20 117 18 2 I Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) Please refer to the attached inspection summary letter. Page# 2 • Permit NC0063720 Owner-Facility: Forest Ridge WWTP Inspection Date: 01/20/2015 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? • 0 0 0 #Are there any special conditions for the permit? 0 • 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? U 0 0 0 Has the facility submitted its annual compliance report to users and DWQ? 0 0 • 0 (If the facility is=or>5 MOD 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? • 0 0 0 Is a copy of the current NPDES permit available on site? • 0 0 0 Facility has copy of previous year's 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? • 0 0 0 Page# 3 Pernik NC0063720 Owner-Facility: Forest Ridge WWTP Inspection Date: 01/20/2015 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 I 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 Is audible and visual alarm available and operational? U 0 0 ❑ Comment: None Bar Screens Yes No NA NE Page# 4 Permit: NC0063720 Owner-Facility: Forest Ridge WWTP Inspection Date: 01/20/2015 Inspection Type: Compliance Evaluation Bar Screens Yes No NA NE Type of bar screen a.Manual • b.Mechanical 0 Are the bars adequately screening debris? • 0 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 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 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 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? • 0 0 0 Is the DO level acceptable? 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: NC0063720 Owner-Facility: Forest Ridge VWVTP Inspection Date: 01/20/2015 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 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 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 • Page# 6 Permit NC0063720 Owner-Facility: Forest Ridge WWTP Inspection Date: 01/20/2015 Inspection Type: Compliance Evaluation Disinfection-Tablet Yes No NA NE Comment: None De-chlorination Yes No NA NE Type of system? Tablet Is the feed ratio proportional to chlorine amount(1 to 1)? • 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 ❑ Comment: None Are tablet de-chlorinators operational? • 0 0 0 Number of tubes in use? 4 Comment: None Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? • ❑ 0 0 Are the receiving water free of foam other than trace amounts and other debris? • 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 #Is the odor acceptable? • 0 0 0 #Is tankage available for properly waste sludge? • ❑ 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 Solids, pH, DO, Sludge Judge,and other that are applicable? Comment: None Page# 7