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Home My WebLink AboutNC0021849_Compliance Report_20180703 ROY COOPER NICZ Governor MICHAEL S.REGAN Secretary Water Resources LINDA CULPEPPER ENVIRONMENTAL 6UALITY Interim Director July 03, 2018 Brandon Shoaf _ Town of Hertford , PO Box 32 Hertford, NC 27944 SUBJECT: Compliance Inspection Report Hertford WWTP NPDES WW Permit No. NC0021849 Perquimans County Dear Mr. Shoaf: The North Carolina Division of Water Resources conducted an inspection of the Hertford WWTP on 6/29/2018. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0021849. 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 writting 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: If you should have any questions, please do not hesitate to contact Stewart White with the Water Quality Regional Operations Section in the Washington Regional Office at 252-946-6481 or via email at stewart.white@ncdenr.gov. Sincerely, • J. Stewart White, Environmental Specialist I Water Quality Regional Operations Section Washington Regional Office Division of Water Resources, NCDEQ ATTACHMENTS , Cc: WQS Washington Regional Office NPDES Compliance/Enforcement Unit State of North Carolina I Environmental Quality I Water Resources 943 Washington Square Mall,Washington,NC 27889 252-946-6481 , United States Environmental Protection Agency Form Approved E PA 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 u 2 1L 1 3 I N00021849 111 12 1 18/06/29 117 18 i p i 19 I S I 2011 2111111111111111111111111111111111111111111I r6 Inspection Work Days Facility Self-Monitonng Evaluation Rating B1 QA -- - - Reserved 67 1 7011 I 711 I 72 L1 I 1 73[ I 174 751 1 1 1 1 1 1 180 Section B:Facility Data J 1 Name and Location of Facility Inspected(For lndustnal Users discharging to POTW,also include Entry Time/Date Permit Effective Date POTW name and NPDES permit Number) 10:40AM 18/06/29 13/08/01 Hertford WWTP - - - 114 W Grubb St Exit Time/Date Permit Expiration Date Hertford NC 27944 11 45AM 18/06/29 17/12/31 Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data /// Charles Anderson Jones/ORC/252-333-6948/ Name,Address of Responsible Official/Title/Phone and Fax Number Contacted Brandon Shoaf,P0 Box 32 Hertford NC 27944/Town Manager/252-426-1969/2524267060 No Section C:Areas Evaluated During Inspection(Check only those areas evaluated) IN Flow Measurement • Operations&Maintenance • Records/Reports II Self-Monitoring Program II Sludge Handling Disposal El Facility Site Review i 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 Robert E Bullock fDivision of Water Quality//252-948-39241 //SI d Stewart White 4-07/ WARO WQ//252-948-3940/ 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 NPDES yr/mo/day Inspection Type (Cont.) 1 31 NC0021849 111 12j 18/06/29 I 17 18 R Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary) The Town of Hertford WWTP was found to be non-compliant where as no calls within 24 hours of break downs or by-passes had occurred.There have been no letters by the ORC to the Town officials or to the Washington Regional office. ORC Chuck Jones stated that he had verbally informed the town of break down. 1)Both Automatic Bar Screens not operational/Using Manual Screen-Solids reaching effluent channel 2)Auto Grit Removal Down 3)#1 Clarifier Down (Shear Pin) 4) Hydrotech Filters Back-wash Pumps down 5) De-chlorination chemical feed indication regulator not working 6)Sand Drying Beds not Operational Page# 2 , Permit: NC0021849 Owner-Facility: HertfordWVVTP Inspection Date: 06/29/2018 Inspection Type: Reconnaissance 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 0 Solids, pH, DO,Sludge Judge,and other that are applicable? Comment: The plant buildings and grounds were unkept. Maintenance problems were present through out the plant. 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 #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 Conform)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: Notice of non-compliant sample from Environment 1 , Inc. about the Town of Hertford delivering BOD&Ammonia samples not at proper temperature were sent to Water Sciences Section in Raleigh.WWTP used UPS courier and have had issues getting samples delivered in time for correct temperature. 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 ❑ , #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: Samples collected on time interval. Bar Screens Yes No NA NE Type of bar screen a.Manual • b.Mechanical • Are the bars adequately screening debris? 0 • 0 0 Is the screen free of excessive debris? • 0 0 0 Page# 3 ' Permit NC0021849 Owner-Facility: Hertford WWTP Inspection Date: 06/29/2018 Inspection Type: Reconnaissance Bar Screens Yes No NA NE Is disposal of screening in compliance? • ❑ ❑ 0 Is the unit in good condition? ❑ • 0 0 Comment: (2)Automatic bar screens broke down. Raking screen manually. Screen has approximately one inch gaps between bars.This is allowing material to move through plant and in Effluent. Flow Measurement-Influent 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: Grit Removal Yes No NA NE Type of grit removal a.Manual III b.Mechanical Is the grit free of excessive organic matter? 0 0 • 0 Is the grit free of excessive odor? 0 0 • 0 #Is disposal of grit in compliance? 0 • 0 0 Comment: Grit removal system down since beginning 2018 according to ORC Chuck Jones. Oxidation Ditches Yes No NA NE Are the aerators operational? • 0 0 0 Are the aerators free of excessive solids build up? • 0 0 0 #Is the foam the proper color for the treatment process? U 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 Are settleometer results acceptable(>30 minutes)? 0 0 • 0 Is the DO level acceptable?(1.0 to 3.0 mg/I) 0 0 • ❑ Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes) 0 0 • 0 Comment: MLSS Solids looked healthy light brown in color. Secondary Clarifier Yes No NA NE Is the clarifier free of black and odorous wastewater'? • 0 0 0 Page# 4 Permit: NC0021849 Owner-Facility: Hertford WWTP Inspection Date: 06/29/2018 Inspection Type: Reconnaissance Secondary Clarifier Yes No NA NE 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 Is the site free of excessive floating sludge? • 0 0 0 Is the drive unit operational? 0 I 0 ❑ Is the return rate acceptable(low turbulence)? 0 U 0 0 Is the overflow clear of excessive solids/pin floc? 0 II 0 0 Is the sludge blanket level acceptable'?(Approximately%of the sidewall depth) 0 0 • 0 Comment: The#1 Clarifier Drive unit was broke down due to a sheared pin.Clarifier was full of Duck Weed with vegetation growing.ORC said there was 4 to 7 feet of solids in clarifier. 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 I 0 Comment: Gravity feed for RAS. Pump Station -Effluent Yes No NA NE Is the pump wet well free of bypass lines or structures? • 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 U 0 Is audible and visual alarm available and operational? 0 0 IN 0 Comment: 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 0 #Is the odor acceptable? • 0 0 0 Page# 5 , Permit: NC0021849 Owner-Facility: HertfordWWTP Inspection Date: 06/29/2018 Inspection Type: Reconnaissance Aerobic Digester Yes No NA NE #Is tankage available for properly waste sludge? • 0 0 0 Comment: Drying Beds Yes No NA NE Is there adequate drying bed space? 0 U 0 0 Is the sludge distribution on drying beds appropriate? ❑ ® 0 0 Are the drying beds free of vegetation? ❑ IN 0 0 #Is the site free of dry sludge remaining in beds? ■ 0 0 ❑ Is the site free of stockpiled sludge? ® 0 0 0 Is the filtrate from sludge drying beds returned to the front of the plant? 0 0 0 • #Is the sludge disposed of through county landfill? 0 ® El 0 #Is the sludge land applied? ■ 0 0 0 (Vacuum filters)Is polymer mixing adequate? ❑ 0 0 II Comment. Sludge Drying bed are in permit but sludge is being hauled and land applied. Drying bed are grown up with weeds. Disinfection-Gas Yes No NA NE Are cylinders secured adequately? • 0 0 0 Are cylinders protected from direct sunlight? • 0 ❑ p Is there adequate reserve supply of disinfectant? ■ ❑ 0 0 Is the level of chlorine residual acceptable? ❑ p El III Is the contact chamber free of growth,or sludge buildup? El 0 I 0 Is there chlorine residual prior to de-chlorination? ❑ ❑ El Does the Stationary Source have more than 2500 lbs of Chlorine(CAS No.7782-50-5)? . ❑ • ❑ 0 If yes,then is there a Risk Management Plan on site? ❑ 0 0 0 If yes,then what is the EPA twelve digit ID Number?(1000- - ) If yes,then when was the RMP last updated? Comment: The contact chamber had some duck weed and debris floating in chamber. De-chlorination Yes No NA NE Type of system? Is the feed ratio proportional to chlorine amount(1 to 1)? ❑ 0 ❑ • Is storage appropriate for cylinders? 0 0 0 • #Is de-chlorination substance stored away from chlorine containers? ❑ ❑ 0 IN Page# 6 Permit: NC0021849 Owner-Facility: HertfordWWTP Inspection Date: 06/29/2018 Inspection Type: Reconnaissance De-chlorination Yes No NA NE Comment: Are the tablets the proper size and type? 0 0 0 • Are tablet de-chlorinators operational? 0 0 0 ■ Number of tubes in use? Comment: 1 Page# 7