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HomeMy WebLinkAboutNC0023086_NOV-2019-PC-0281_20190423 Certified Mail # 7017 2620 0000 9759 1147 Return Receipt Requested April 23, 2019 Zelerie Rogers, Town Administrator Town of Fontana Dam PO Box 128 Fontana Dam, NC 28733 SUBJECT: NOTICE OF VIOLATION Tracking Number: NOV-2019-PC-0281 Permit No. NC0023086 Town of Fontana Dam WWTP Graham County Dear Permittee: The North Carolina Division of Water Resources conducted an inspection of the Town of Fontana Dam WWTP on March 27, 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. NC0023086. A summary of the findings and comments noted during the inspection are provided in the enclosed copy of the inspection report. The Compliance Evaluation inspection was conducted by Division of Water Resources staff from the Asheville Regional Office. The following violation(s) were noted during the inspection: Inspection Area Description of Violation _________________________________________________________________________________________________________________________________________________________________________ Operations & Maintenance All maintenance should be documented in the maintenance logs. _________________________________________________________________________________________________________________________________________________________________________ Effluent Sampling The composite sampler is not set for flow proportional sample collection. The thermometer needs to be calibrated or replaced; it was reading 10 deg C. The tubing should be replaced. _________________________________________________________________________________________________________________________________________________________________________ Secondary Clarifier The weir on clarifier #2 was covered with solids/algae buildup and should be cleaned. _________________________________________________________________________________________________________________________________________________________________________ DocuSign Envelope ID: B85D718D-5418-4822-9CFE-C536153541D0 In addition, the issues below must also be addressed: Other Issue(s): The ORC reports that significant infiltration & inflow is experienced at the wastewater treatment plant (WWTP). Also, approximately one-fifth of the flow to the WWTP is from the water treatment plant (WTP). The color of the mixed liquor is very light possibly due to flow from the WTP and I&I. Although this does not appear to be affecting the operation of WWTP at this time, this should be monitored. Remedial actions should have already been taken to correct this problem and prevent further occurrences in the future. The Division of Water Resources may pursue enforcement action for this and any additional violations of State law. To prevent further action, please respond in writing to this office within 30 days upon your receipt of this Notice of Violation regarding your plans or measures to be taken to address the indicated violations and other identified issues, if applicable. If you should have any questions, please do not hesitate to contact Beverly Price with the Water Quality Regional Operations Section in the Asheville Regional Office at 828-296-4500. Sincerely, For G. Landon Davidson, P.G., Regional Supervisor Water Quality Regional Operations Section Asheville Regional Office Division of Water Resources, NCDEQ ATTACHMENTS: Inspection Report Ec: WQS ARO Server LF G:\WR\WQ\Graham\Wastewater\Municipal\Town of Fontana Dam 23086\Inspections\March 27, 2019 CEI\20190423_NC0023086_NOV2019PC0281 DocuSign Envelope ID: B85D718D-5418-4822-9CFE-C536153541D0 EPA United States Environmental Protection Agency Washington, D.C. 20460 Water Compliance Inspection Report Form Approved. OMB No. 2040-0057 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 N 52 NC0023086 19/03/27 C S31112171819 20 21 66 Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA ----------------------Reserved------------------- N67707172 73 74 75 80 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Number) Town of Fontana Dam WWTP Fontana Village Resort Fontana Dam NC 28733 Entry Time/Date Permit Effective Date Exit Time/Date Permit Expiration Date 10:00AM 19/03/27 17/11/01 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Daniel Dennis Pilkington/ORC/828-498-2271/ Everette Lamar Williams/ORC/828-479-3250/ Zelerie Rogers/Administrator Town/828-498-2107 / Other Facility Data 12:00PM 19/03/27 22/10/31 Name, Address of Responsible Official/Title/Phone and Fax Number Zelerie Rogers,PO Box 128 Fontana Dam NC 28733/Town Administrator/828-498-2107/ Contacted Yes Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenance Records/Reports Self-Monitoring Program Effluent/Receiving Waters 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 Beverly Price ARO WQ//828-296-4500/ 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 DocuSign Envelope ID: B85D718D-5418-4822-9CFE-C536153541D0 4/23/2019 NPDES yr/mo/day 19/03/27 Inspection Type C3111218 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) The inspection was conducted by Beverly Price of the Asheville Regional Office. Mr. Dan Pilkington was present and assisted with the inspection. The permitee received an Authorization to Construct (AtoC) on April 12, 2018. Wastewater treatment plant (WWTP) upgrades were in process at the time of the inspection. The upgrades should be complete by June 1, 2019. Even though the WWTP is being upgraded the following issues were noted and are not part of the AtoC: 1. All maintenance should be documented in the maintenance logs. 2. The weir on clarifier #2 needs to be cleaned. 3. Effluent Composite Sampler: The tubing needs to be changed. The samples are not flow portional. The thermometer needs to be calibrated or replaced. It was reading 10 deg C. Both aeration basins had one diffuser each that was not working. The ORC reported that parts had been ordered for the broken diffuser nozzel. It is recommended that additional process controls be conducted for this facility including the MLSS test. The ORC reports that the WWTP receives significant I&I and that approximately one-fifth of the flow to the plant is from the WTP. The color of the mixed liquor is very light possibly due to excessive I&I and flow from the WTP. There were no limit violations in 2018 and none so far in 2019. Chlorine disinfection/dechlorination units are included in the AtoC. NC0023086 17 (Cont.) Page#2 DocuSign Envelope ID: B85D718D-5418-4822-9CFE-C536153541D0 Permit:NC0023086 Inspection Date:03/27/2019 Owner - Facility: Inspection Type: Town of Fontana Dam WWTP Compliance Evaluation 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? # Are there any special conditions for the permit? Is access to the plant site restricted to the general public? Is the inspector granted access to all areas for inspection? The facility is undergoing upgrades as authorized in the Authorization to Construct dated April 12, 2018. The facility does not have chlorine disinfection or a standby generator - these components are included in the upgrade. Sludge drying beds - will be removed with upgrade. 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 Solids, pH, DO, Sludge Judge, and other that are applicable? pH is checked at the headworks, aeration basin & the old chlorine contact basin.Comment: Bar Screens Yes No NA NE Type of bar screen a.Manual b.Mechanical Are the bars adequately screening debris? Is the screen free of excessive debris? Is disposal of screening in compliance? Is the unit in good condition? Concrete is deteriorating at the top left chamber wall prior to the bar screen.Comment: Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Diffused Is the basin free of dead spots? Are surface aerators and mixers operational? Are the diffusers operational? Is the foam the proper color for the treatment process? Page#3 DocuSign Envelope ID: B85D718D-5418-4822-9CFE-C536153541D0 Permit:NC0023086 Inspection Date:03/27/2019 Owner - Facility: Inspection Type: Town of Fontana Dam WWTP Compliance Evaluation Aeration Basins Yes No NA NE Does the foam cover less than 25% of the basin’s surface? Is the DO level acceptable? Is the DO level acceptable?(1.0 to 3.0 mg/l) One diffuser was shut-off because the nozzle is broken; diffuser parts are on order. One diffuser appeared to be producing very little air flow. Even with limited diffusers the D.O measured 11.2 mg/L in AB#1; AB #2 was 9.99 mg/L. Comment: 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? Is the site free of weir blockage? Is the site free of evidence of short-circuiting? Is scum removal adequate? Is the site free of excessive floating sludge? Is the drive unit operational? Is the return rate acceptable (low turbulence)? Is the overflow clear of excessive solids/pin floc? Is the sludge blanket level acceptable? (Approximately ¼ of the sidewall depth) The weirs and flow over them was difficult to evaluate due to the excessive buildup of solids/algae. The sludge level was measured at 2'3" in clarifier #2. Clarifier #1 is not in operation. The flight system in #2 appeared to be working. The ORC reports that the scum is returned to the headworks because the digester is not in operation and that sludge was never wasted to the digester. Sludge was recirculated from the clarifier back to the headworks. The AtoC includes relacement of the existing 4 sludge withdrawal pumps with 4 new 100 GPM 2HP non-clog submersible pumps, piping and controls. Control valves, chains and sprokets have been changed out in clarifier #1; clarifier #2 will include the same upgrades. The existing scum withdrawal pump will be replaced with one new 100 GPM 2 HP non-clog submersible pump, piping & controls. Comment: Flow Measurement - Influent Yes No NA NE # Is flow meter used for reporting? Is flow meter calibrated annually? Is the flow meter operational? (If units are separated) Does the chart recorder match the flow meter? Page#4 DocuSign Envelope ID: B85D718D-5418-4822-9CFE-C536153541D0 Permit:NC0023086 Inspection Date:03/27/2019 Owner - Facility: Inspection Type: Town of Fontana Dam WWTP Compliance Evaluation Flow Measurement - Influent Yes No NA NE The flow meter was calibrated November 6, 2018 by KDT Service Technologies. The circular paper chart pin was out of ink. Comment: Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? Is flow meter calibrated annually? Is the flow meter operational? (If units are separated) Does the chart recorder match the flow meter? Comment: Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? Are the receiving water free of foam other than trace amounts and other debris? If effluent (diffuser pipes are required) are they operating properly? The pipe is underwater and could not be observed.Comment: Effluent Sampling Yes No NA NE 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)? The sampler is set for constant time/constant volume. The thermometer was reading 10 deg C. The tubing needs to be changed. Comment: Page#5 DocuSign Envelope ID: B85D718D-5418-4822-9CFE-C536153541D0 Certificate Of Completion Envelope Id: B85D718D541848229CFEC536153541D0 Status: Completed Subject: Please DocuSign: 20190423_NC0023086_NOV2019PC0281.docx, 20160423_NC0023086_NOV2019PC0281_ INSP ... Source Envelope: Document Pages: 7 Signatures: 2 Envelope Originator: Certificate Pages: 2 Initials: 1 Beverly Price AutoNav: Enabled EnvelopeId Stamping: Enabled Time Zone: (UTC-08:00) Pacific Time (US & Canada) 217 W. Jones Street Raleigh, NC 27699 Bev.Price@ncdenr.gov IP Address: 149.168.204.10 Record Tracking Status: Original 4/23/2019 12:44:34 PM Holder: Beverly Price Bev.Price@ncdenr.gov Location: DocuSign Signer Events Signature Timestamp Beverly Price bev.price@ncdenr.gov North Carolina Department of Environmental Quality Security Level: Email, Account Authentication (None)Signature Adoption: Pre-selected Style Using IP Address: 149.168.204.10 Sent: 4/23/2019 12:45:27 PM Viewed: 4/23/2019 12:45:36 PM Signed: 4/23/2019 12:46:02 PM Freeform Signing Electronic Record and Signature Disclosure: Not Offered via DocuSign Zan Price zan.price@ncdenr.gov DWR-RO DEQ Security Level: Email, Account Authentication (None) Signature Adoption: Pre-selected Style Using IP Address: 149.168.204.10 Sent: 4/23/2019 12:46:03 PM Viewed: 4/23/2019 12:49:18 PM Signed: 4/23/2019 12:49:40 PM Freeform Signing Electronic Record and Signature Disclosure: Not Offered via DocuSign In Person Signer Events Signature Timestamp Editor Delivery Events Status Timestamp Agent Delivery Events Status Timestamp Intermediary Delivery Events Status Timestamp Certified Delivery Events Status Timestamp Carbon Copy Events Status Timestamp Notary Events Signature Timestamp Envelope Summary Events Status Timestamps Envelope Sent Hashed/Encrypted 4/23/2019 12:46:03 PM Certified Delivered Security Checked 4/23/2019 12:49:18 PM Signing Complete Security Checked 4/23/2019 12:49:40 PM Completed Security Checked 4/23/2019 12:49:40 PM Payment Events Status Timestamps �_:�: _� .� �r��� "� %30 I �' �, ti ��-- -___.. 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