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Home My WebLink AboutNC0026573_CEI_20180517DocuSign Envelope ID: 729ACE20-E606-4E37-9008-48C6B76768B5 WaterResou ces EHWROMMEWAl QUALITY May 17, 2018 Brad Boris City of Morganton PO Box 3448 Morganton, NC 28680 SUBJECT: Compliance Inspection Report Catawba River Pollution Control Facility NPDES WW Permit No. NCO026573 Burke County Dear Permittee: ROY COOPER Gorerna, NUCHAEL S. REGAN Sacre�� LT -NDA CFULPEPPER lhJ err m Direclar The North Carolina Division of Water Resources conducted an inspection of the Catawba River Pollution Control Facility on 4/24/2018. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0026573. The findings and comments noted during this inspection are provided in the enclosed copy of the inspection report entitled "Compliance Inspection Report". If you should have any questions, please do not hesitate to contact me at 828-296-4500 or via email at linda.wiggs@ncdenr.gov. Sincerely, EDocuSigned by: tiwol,� wl. lr. 6C38CDE2B5CF449... Linda Wiggs Water Quality Regional Operations Section Asheville Regional Office Division of Water Resources, NCDEQ ATTACHMENTS Ec: WQS Asheville Regional Office Server Laserfiche G:\WR\WQ\Burke\Wastewater\Municipal\Morganton WWTP 26573\Inspections\4-24-2018 Inspection\20180517_NC0026573_CEI.rtf State of North Carolina I Environmental Quality I Water Resources 2090 U.S. 70 Highway, Swannanoa, NC 28778 828-296-4500 DocuSign Envelope ID: 729ACE20-E606-4E37-9008-48C6B76768B5 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 IN I 2 15 I 3 I NC0026573 111 12 I 18/04/24 I17 18 I S J 19 LG] 201 I 211111 1 1 1 1 1 111 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 111 1 1 1 1 1 166 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ----------------------Reserved------------------- 67 70 I I 71 I I 72 I r l 73 I I 174 751 I I I 1 1 1 I80 u I� 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:OOAM 18/04/24 16/05/01 Catawba River Pollution Control Facility 1000 Vine Arden Rd Exit Time/Date Permit Expiration Date Morganton NC 28680 01:OOPM 18/04/24 20/02/29 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Tim Corpening,PO Box 3448 Morganton NC 28680//828-438-5375/8284338593 Yes Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program 0 Sludge Handling Disposal Facility Site Review 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 DS Linda S Wiggs ARO WQ//828-296-4500 Ext.4653/ Beverly Price Division of Water Quality//828-296-4500 Signature of Management Q A ReviewerDocusigned by: ncy/Office/Phone and Fax Numbers Date E5/18/2018 7E617A38285848C... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# DocuSign Envelope ID: 729ACE20-E606-4E37-9008-48C6B76768B5 NPDES yr/mo/day Inspection Type (Cont.) NCO026573 111 121 18/04/24 1 17 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Linda Wiggs and Bev Price met with Tim Corpening, Roney Parker and Shane Roper to perform inspections of the WWTP and the Class A Compost Residuals. The Residuals report will be sent separately. The facility is under construction as described in the Authorization to Construct dated April 11, 2017. The facility received 4" of rain in the 24 hours prior to the inspection. The plant was receiving —30 MGD at the time of the inspection. Its current design and permitted capacity is 10 MGD (13 MGD once the two aeration basins are completed), with average flows —4 MGD. All the systems observed during the inspection were functioning surprisingly well considering the extreme hydraulic load. The effluent was non-compliant which will be reflected on the DMR. Page# DocuSign Envelope ID: 729ACE20-E606-4E37-9008-48C6B76768B5 Permit: NCO026573 Owner - Facility: Catawba River Pollution Control Facility Inspection Date: 04/24/2018 Inspection Type: Compliance Evaluation 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: Very good process control monitoring program. Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ ❑ ❑ application? 0 ❑ ❑ ❑ 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: Flow Measurement - Influent 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: Aerobic Digester Yes No NA NE Is the capacity adequate? 0 ❑ ❑ ❑ Is the mixing adequate? ❑ 0 ❑ ❑ Is the site free of excessive foaming in the tank? 0 ❑ ❑ ❑ # Is the odor acceptable? 0 ❑ ❑ ❑ # Is tankage available for properly waste sludge? 0 ❑ ❑ ❑ Comment: Digester has an ineffective mixing/aerating system, it is operating more like an anaerobic digester. Solids Handling Equipment Yes No NA NE Is the equipment operational? 0 ❑ ❑ ❑ Is the chemical feed equipment operational? 0 ❑ ❑ ❑ Is storage adequate? 0 ❑ ❑ ❑ Page# 3 DocuSign Envelope ID: 729ACE20-E606-4E37-9008-48C6B76768B5 Permit: NCO026573 Owner - Facility: Inspection Date: 04/24/2018 Inspection Type: Catawba River Pollution Control Facility Compliance Evaluation Type of bar screen NA Solids Handling Equipment Yes No NA NE Is the site free of high level of solids in filtrate from filter presses or vacuum filters? ❑ ❑ 0 ❑ Is the site free of sludge buildup on belts and/or rollers of filter press? ❑ ❑ 0 ❑ Is the site free of excessive moisture in belt filter press sludge cake? ❑ ❑ 0 ❑ The facility has an approved sludge management plan? 0 ❑ ❑ ❑ Comment: WWTP inspection performed in conjunction with a Residual inspection. Bar Screens Yes No NA NE Type of bar screen NA NE Type of grit removal ❑ a.Manual ❑ ❑ a.Manual ❑ b.Mechanical 0 ❑ b.Mechanical 0 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: Grit Removal Yes No NA NE Type of grit removal ❑ Is sample collected above side streams? 0 ❑ a.Manual ❑ Is proper volume collected? 0 ❑ b.Mechanical 0 Is the tubing clean? 0 ❑ Is the grit free of excessive organic matter? 0 ❑ ❑ ❑ Is the grit free of excessive odor? 0 ❑ ❑ ❑ # Is disposal of grit in compliance? 0 ❑ ❑ ❑ Comment: Influent Sampling Yes No NA NE # Is composite sampling flow proportional? 0 ❑ ❑ ❑ Is sample collected above side streams? 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 sampling performed according to the permit? 0 ❑ ❑ ❑ Page# 4 DocuSign Envelope ID: 729ACE20-E606-4E37-9008-48C6B76768B5 Permit: NCO026573 Owner - Facility: Catawba River Pollution Control Facility Inspection Date: 04/24/2018 Inspection Type: Compliance Evaluation Influent Sampling Yes No NA NE Comment: Primary 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? ❑ ❑ ❑ 0 Is the site free of excessive floating sludge? 0 ❑ ❑ ❑ Is the drive unit operational? ❑ ❑ ❑ 0 Is the sludge blanket level acceptable? 0 ❑ ❑ ❑ Is the sludge blanket level acceptable? (Approximately'/ of the sidewall depth) 0 ❑ ❑ ❑ Comment: Blanket levels checked by staff for process controls. Both primary clarifiers have been completely rehabilitated. The facility received 4" of rain in the 24 hours prior to the inspection. The plant was receiving —30 MGD at the time of the inspection. Its current design capacity is 10 MGD (13 MGD once the two aeration basins are completed). The plant was experiencing severe hydraulic overload making inspection of the primary basins impossible. Secondary Clarifier 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'/ of the sidewall depth) 1[-TE►[•7►/_M►19 • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ Comment: The facility received 4" of rain in the 24 hours prior to the inspection. The plant was receiving --30 MGD at the time of the inspection. The facility was experiencing a severe hydraulic overload; the clarifiers were losing solids. Page# 5 DocuSign Envelope ID: 729ACE20-E606-4E37-9008-48C6B76768B5 Permit: NCO026573 Inspection Date: 04/24/2018 Owner - Facility: Catawba River Pollution Control Facility Inspection Type: Compliance Evaluation Are pumps in place? Aeration Basins Yes No NA NE Mode of operation ❑ Are pumps operational? 0 ❑ Type of aeration system ❑ Are there adequate spare parts and supplies on site? 0 ❑ Is the basin free of dead spots? 0 ❑ ❑ ❑ Are surface aerators and mixers operational? 0 ❑ ❑ ❑ Are the diffusers operational? ❑ ❑ 0 ❑ 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? ❑ ❑ ❑ 0 Is the DO level acceptable?(1.0 to 3.0 mg/1) ❑ ❑ ❑ 0 Comment: Two more aeration basins are under construction. (A to C 026573A04) Pumps -RAS -WAS Yes No NA NE Are pumps in place? 0 ❑ ❑ ❑ Are pumps operational? 0 ❑ ❑ ❑ Are there adequate spare parts and supplies on site? 0 ❑ ❑ ❑ Comment: Pure Oxygen Yes No NA NE Type of pure oxygen system Bulk storage Is there a back-up source for the system? 0 ❑ ❑ ❑ Are mixers operational? 0 ❑ ❑ ❑ Are samples port/points easily accessible? 0 ❑ ❑ ❑ Comment: The facility continues to use the Reactor; liquid 02 is delivered —2-3 times/week. The Reactor will be repurposed to EQ basin. (A to C 026573A04) Disinfection -Gas Are cylinders secured adequately? Are cylinders protected from direct sunlight? Is there adequate reserve supply of disinfectant? Is the level of chlorine residual acceptable? Is the contact chamber free of growth, or sludge buildup? Is there chlorine residual prior to de -chlorination? Does the Stationary Source have more than 2500 lbs of Chlorine (CAS No. 7782-50-5)? If yes, then is there a Risk Management Plan on site? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ Page# 6 DocuSign Envelope ID: 729ACE20-E606-4E37-9008-48C6B76768B5 Permit: NCO026573 Owner - Facility: Catawba River Pollution Control Facility Inspection Date: 04/24/2018 Inspection Type: Compliance Evaluation Disinfection -Gas Yes No NA NE If yes, then what is the EPA twelve digit ID Number? (1000-_-_) If yes, then when was the RMP last updated? Comment: The facility is going to continue the use of Chlorine gas and not phase in liquid disinfection at this time as described in the Authorization to Construct. De -chlorination Yes No NA NE Type of system ? Liquid ❑ ❑ ❑ Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ ❑ 0 Is storage appropriate for cylinders? ❑ ❑ 0 ❑ # Is de -chlorination substance stored away from chlorine containers? 0 ❑ ❑ ❑ Are the tablets the proper size and type? ❑ ❑ 0 ❑ Comment: The facility has transitioned to liquid as described in A to C. Are tablet de -chlorinators operational? ❑ ❑ 0 ❑ Number of tubes in use? 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: Effluent was non-compliant due to excessive flow. Page# 7