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Home My WebLink AboutNC0020478_Inspection_20180709DocuSign Envelope ID: FE8BE733-C216-465C-B8CE-EBB6B4078276 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 NCO020478 111 12 I 18/06/13 I17 18 Lam] 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 131 QA ----------------------Reserved------------------- 67 70 I I 71 I I 72 I r l 73 I I 174 751 1 1 1 1 1 1 180 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) 11:55AM 18/06/13 16/02/01 Lake Powhatan Recreation Area Forest Rt 479-2 Exit Time/Date Permit Expiration Date Asheville INC 28802 01:10PM 18/06/13 20/10/31 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 Distict Ranger,1001 Pisgah Hwy Pisgah Forest NC 28768//828-257-4218/ Yes Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Operations & Maintenance 0 Self -Monitoring Program 0 Sludge Handling Disposal 0 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 Linda S Wiggs ARO WQ//828-296-4500 Ext.4653/ Timothy H Heim ARO WQ//828-296-4665/ EW Signature of Management Q A Rev' wer DocuSigned by: Agency/Office/Phone and Fax Numbers Date 7/9/2018 7E617A38285848C... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# DocuSign Envelope ID: FE8BE733-C216-465C-B8CE-EBB6B4078276 NPDES yr/mo/day Inspection Type NCO020478 111 121 18/06/13 117 18 S Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) The inspector, Linda Wiggs, and Tim Heim (DWR) met onsite with Jason Rummell (ORC), Scott Hill (USFS), Juanita James and Jim Lanstra (James and James). Split samples were obtained, DWR results were compliant: BOD — 18 mg/I TSS — 7.8 mg/I Fecal — 100 col/100ml Page# DocuSign Envelope ID: FE8BE733-C216-465C-B8CE-EBB6B4078276 Permit: NCO020478 Owner - Facility: Lake Powhatan Recreation Area Inspection Date: 06/13/2018 Inspection Type: Compliance Sampling 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: DO, settleability are performed by ORC. ORC settleability test is not performed in a graduated cylinder. The inspector suggested a proper device be used for more accurate readings. Inspector used sludge fudge, see below. Equalization Basins Yes No NA NE Is the basin aerated? 0 ❑ ❑ ❑ Is the basin free of bypass lines or structures to the natural environment? 0 ❑ ❑ ❑ Is the basin free of excessive grease? 0 ❑ ❑ ❑ Are all pumps present? 0 ❑ ❑ ❑ Are all pumps operable? 0 ❑ ❑ ❑ Are float controls operable? ❑ ❑ ❑ 0 Are audible and visual alarms operable? ❑ ❑ ❑ 0 # Is basin size/volume adequate? 0 ❑ ❑ ❑ Comment: Checks are performed at control box. The inspector discussed the importance of checking the floats. Floats need to be lifted, cleaned and inspected weekly: this shall be documented in the log book. One float had debris on it. EQ air is always on. Aeration Basins Mode of operation Type of aeration system 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? 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/1) Comment: ORC DO readina at time of inspection was 0.50 ma/I Yes No NA NE ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ■ ❑ ❑ ORC settleability was '/2 the mug used. Inspector settleabilitV was 700 ml after -40 minutes. The inspector did perform settleability close to the return, the ORC performed his away from the return. Air is set for 15 minutes ON, 45 minutes OFF. Page# 3 DocuSign Envelope ID: FE8BE733-C216-465C-B8CE-EBB6B4078276 Permit: NC0020478 Owner - Facility: Lake Powhatan Recreation Area Type of operation: ❑ ❑ ❑ ❑ Inspection Date: 06/13/2018 Inspection Type: Compliance Sampling Is the filter media present? ❑ ❑ Aeration Basins Yes No NA NE 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? 0 ❑ ❑ ❑ 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) ❑ 0 ❑ ❑ Comment: There was moderate scum present. The sludge fudge levels were elevated; 3.5' blanket/ 9' depth and 4' blanket/ 9' depth. The supernatant was clear. Filtration (High Rate Tertiary) Yes No NA NE Type of operation: ❑ ❑ ❑ ❑ Is the filter media present? ❑ ❑ ❑ Is the filter surface free of clogging? ❑ ❑ ❑ Is the filter free of growth? ❑ ❑ ❑ Is the air scour operational? ❑ ❑ ❑ Is the scouring acceptable? ❑ ❑ ❑ Is the clear well free of excessive solids and filter media? ❑ ❑ ❑ Comment: The tertiary filter is not in use. It has not been used in a long time according to Juanita James. Disinfection -Tablet Are tablet chlorinators operational? Are the tablets the proper size and type? Number of tubes in use? 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? Yes No NA NE ■ ■ ❑ ❑ ❑ ❑ ❑ ❑ 3 ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ Page# 4 DocuSign Envelope ID: FE8BE733-C216-465C-B8CE-EBB6B4078276 Permit: NCO020478 Owner - Facility: Lake Powhatan Recreation Area Inspection Date: 06/13/2018 Inspection Type: Compliance Sampling Disinfection -Tablet Yes No NA NE Comment: Sludge fudge - 6"/6' 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 ❑ # 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? 2 Comment: 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: 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: Sludge fudge: 5' blanket/ 8' depth. ORC stated WAS takes place 2 days/month overnight. The last removal of solids was 6/2017. 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 ❑ Page# 5 DocuSign Envelope ID: FE8BE733-C216-465C-B8CE-EBB6B4078276 Permit: NCO020478 Inspection Date: 06/13/2018 Effluent Sampling Owner - Facility: Lake Powhatan Recreation Area Inspection Type: Compliance Sampling # 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)? Comment: Samples were obtained by the inspector and the ORC. See summary. Yes No NA NE ❑ ❑ ■ ❑ ■ ❑ ❑ ❑ Page# 6