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Home My WebLink AboutNC0070289_Compliance Evaluation Inspection_20190531United 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 NCO070289 111 12 I 19/05/21 I17 18 I S I 19 I G I 201 I 211111 1 1 I I I I II I I I I I I I I I I I I 1 I I I I I I I I I I II I I I I I r6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 671 70 I g 71 I tyI 72 I r I 73 I I 174 751 I I I I I I I80 uI 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) 10:02AM 19/05/21 14/02/01 Ridgewood Farms Subdivision Olde Creek Trl Exit Time/Date Permit Expiration Date Concord NC 28025 11:31AM 19/05/21 18/11/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Braden Joshua Cook/ORC/704-788-4164/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Braden Joshua Cook,7000 Stinson Hartis Rd Indian Trail NC 28079/ORC/980-202-2377/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program Sludge Handling Disposal Facility Site Review Compliance Schedules 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 DocuSigned by: Roberto Scheller S�Ge,/r!ati MRO WQ//252-946-6481/ 6/5/2019 91C2A007838943E... Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date W. Corey Basinger Division of Water Quality//704-2' EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. DocuSigned by: ' 6/5/2019 AlaccsalAFvazs... Page# NPDES yr/mo/day Inspection Type NCO070289 I11 121 19/05/21 117 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) - As of the date of this inspection the Division has not received a complete renewal permit application. - Diffusers in aeration basin require repair or replacement. - Bulkhead between aeration basin and sludge holding tank requires repairs. - Holes rusted through treatment unit require repairs. - Facility has two (2) outstanding civil penalties LV-2019-0309 and LV-2019-0325. Page# Permit: NCO070289 Owner - Facility: Ridgewood Farms Subdivision Inspection Date: 05/21/2019 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 ❑ ❑ ❑ application? 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: Facility is operating under permit that expired on November 30, 2018. A complete permit renewal application has not been submitted. 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? M ❑ ❑ ❑ 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 COCs Are DMRs complete: do they include all permit parameters? 0 ❑ ❑ ❑ 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 24/7 with a certified operator ❑ ❑ 0 ❑ on each shift? Is the ORC visitation log available and current? 0 ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? 0 ❑ ❑ ❑ 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? ❑ ❑ ❑ Comment: All records reviewed were current and available for review. Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? 0 ❑ ❑ ❑ Page# 3 Permit: NCO070289 Owner - Facility: Ridgewood Farms Subdivision Inspection Date: 05/21/2019 Inspection Type: Compliance Evaluation Laboratory Yes No NA NE Are all other parameters(excluding field parameters) performed by a certified lab? 0 ❑ ❑ ❑ # Is the facility using a contract lab? 0 ❑ ❑ ❑ # 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? ❑ ❑ 0 ❑ Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? ❑ ❑ 0 ❑ Comment: Field Darameters are conducted under Field Certification #5695. K&W Laboratories (Certification #559) is used as the contract lab. Compliance Schedules Yes No NA NE Is there a compliance schedule for this facility? ❑ ❑ E ❑ Is the facility compliant with the permit and conditions for the review period? ❑ 0 ❑ ❑ Comment: Review of compliance history from April 2018 throuah March 2019 show three (3) Notice of Violations issued for the subject facility: 4/2018 NOV-2018-LV-0633, 10/2018 NOV-2018-LV-0861, 11/2018 NOV-2019-LV-0021 Review of compliance history also found two civil penaltys issued to subject facility; Case Number LV-2017-0309 issued on November 3, 2017 for the amount of $453.62 and Case Number LV-2017-0325 issued on November 28, 2017 for the amount of $703.62. Both of the civil penalties remain unpaid. 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: Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Is the basin free of dead spots? E ❑ ❑ ❑ Are surface aerators and mixers operational? ❑ ❑ 0 ❑ Are the diffusers operational? ❑ ❑ 0 ❑ Page# 4 Permit: NCO070289 Inspection Date: 05/21/2019 Owner - Facility: Ridgewood Farms Subdivision Inspection Type: Compliance Evaluation Aeration Basins Yes No NA NE 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) ❑ ❑ ❑ Comment: Diffusers should be repaired or replaced in aeration basin. 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? ❑ ❑ ❑ ❑ Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Is the drive unit operational? ❑ ❑ 0 ❑ Is the return rate acceptable (low turbulence)? 0 ❑ ❑ ❑ Is the overflow clear of excessive solids/pin floc? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately'/ of the sidewall depth) ❑ ❑ ❑ Comment: Scum baffle should be cleaned out. Disinfection -Tablet Yes No NA NE Are tablet chlorinators operational? 0 ❑ ❑ ❑ Are the tablets the proper size and type? 0 ❑ ❑ ❑ Number of tubes in use? 2 Is the level of chlorine residual acceptable? 0 ❑ ❑ ❑ Is the contact chamber free of growth, or sludge buildup? 0 ❑ ❑ ❑ Is there chlorine residual prior to de -chlorination? 0 ❑ ❑ ❑ Comment: De -chlorination Yes No NA NE Type of system ? Tablet Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ 0 ❑ Is storage appropriate for cylinders? ❑ ❑ 0 ❑ Page# 5 Permit: NCO070289 Owner - Facility: Ridgewood Farms Subdivision Inspection Date: 05/21/2019 Inspection Type: Compliance Evaluation De -chlorination Yes No NA NE # Is de -chlorination substance stored away from chlorine containers? 0 ❑ ❑ ❑ Comment: Are the tablets the proper size and type? 0 ❑ ❑ ❑ Are tablet de -chlorinators operational? 0 ❑ ❑ ❑ Number of tubes in use? 4 Comment: Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? 0 ❑ ❑ ❑ Is flow meter calibrated annually? 0 ❑ ❑ ❑ Is the flow meter operational? 0 ❑ ❑ ❑ (If units are separated) Does the chart recorder match the flow meter? 0 ❑ ❑ ❑ Comment: Effluent Sampling Yes No NA NE Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected below all treatment units? 0 ❑ ❑ ❑ Is proper volume collected? 0 ❑ ❑ ❑ Is the tubing clean? 0 ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑ Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type 0 ❑ ❑ ❑ representative)? Comment: At time of inspection sample storage was recorded at 4 degrees Celsius. Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? 0 ❑ ❑ ❑ Are the receiving water free of foam other than trace amounts and other debris? 0 ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? 0 ❑ ❑ ❑ Comment: At time of inspection effluent was clear with few visible suspended soids. Aerobic Digester Yes No NA NE Is the capacity adequate? ❑ ❑ 0 ❑ Is the mixing adequate? ❑ ❑ 0 ❑ Page# 6 Permit: NCO070289 Owner - Facility: Ridgewood Farms Subdivision Inspection Date: 05/21/2019 Inspection Type: Compliance Evaluation Aerobic Digester Yes No NA NE Is the site free of excessive foaming in the tank? 0 ❑ ❑ ❑ # Is the odor acceptable? 0 ❑ ❑ ❑ # Is tankage available for properly waste sludge? ❑ N ❑ ❑ Comment: TOD of bulkhead between diaester and aeration basin has rusted out and bulkhead ma collapse if digester is pumped out. Rusted out holes in bulkhead makes it ineffective to waste and dewater sludge at this facility. Holes rusted through end of treatment unit allows waste to exit treatment unit via holes during high flow. Rusted out holes in treatment plant that allows untreated wastewater to excape is considered a by-pass of treatment and a violation of your NPDES permit. Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable ❑ ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: At time of inspection facility appeared to be well operated. It was noted that rusted out holes in treatment plant and issues with diffusers in areation basin hamper plant performance and the ability of operator to effectively and efficiently operate WWTP at peak performance. Page# 7 ROY COOPED 66 filar K41CHAEL S. R.EGAN Secretary LINDA CULPEPPER Cb7{CfiOr NORTH CAROUNA Environmental Qual" Certified Mail # 7017 2620 0000 6788 5702 Return Receipt Reauested June 05, 2019 Mr. Wayne Huntley Stones Throw Homeowners Association Post Office Box 690725 Charlotte, NC 28227 SUBJECT: Compliance Inspection Report Ridgewood Farms Subdivision NPDES WW Permit No. NCO070289 Cabarrus County Dear Mr. Huntly: The North Carolina Division of Water Resources conducted an inspection of the Ridgewood Farms Subdivision on May 21, 2019. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0070289. The findings and comments noted during this inspection are provided in the enclosed copy of the inspection report entitled "Compliance Inspection Report". Please respond in writing to this office within 30 days of your receipt of this letter regarding your plans or measures to be taken to address the following issues: • As of the date of the subject inspection, the Division has not received a complete permit renewal application. • Diffusers in aeration basin require repair or replacement. • Bulkhead between aeration basin and sludge holding tank requires repairs. • Holes rusted through treatment unit allowing wastewater to by-pass treatment require repairs. • Facility has two (2) outstanding civil penalties LV-2017-0309 and LV-2019-0325. This Office should be contacted as soon as possible regarding these civil penalties. NorthCaro I,na6epartmentofErv:rar.merts'Qua: ;tw I MrsanofWater Resources Woo reav:15ERegom:Off.-oe 1510 Ea2l,enterAvenue, Se;te3011 Mooresv �e,North 03rodina2S115 If you should have any questions, please do not hesitate to contact Roberto Scheller with the Water Quality Regional Operations Section in the Mooresville Regional Office at 704-663-1699 or via email at roberto.scheller@ncdenr.gov. Sincerely, DocuSigned by: A14CCWAF27425... W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Mooresville Regional Office Division of Water Resources, NCDEQ ATTACHMENTS Cc: WQS Mooresville Regional Office - Enforcement File NPDES Compliance/Enforcement Unit - Enforcement File Laserfiche No rth Carolina Department of E nvuon iaents! Quairty I Dimsion of Water Resources D—E Mooresvlle Regbfm! Office 1 610 Es3 Center Avenue, Suite 301 I Mooresvit, North Carcdina 2S115 �L f •'—!F 7fA-6 3-168f}