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Home My WebLink AboutNC0056618_Compliance Report_20220411ROY COOPER Governor EUZABETH S. BISER Secretary RICHARD E ROGERS. JR. Arthur Hough Carolina Water Service Inc of North Carolina PO Box 240908 Charlotte, NC 28224-0908 NORTH CAROLINA Environmental Qaatfy April 11, 2022 SUBJECT: Compliance Inspection Report Carolina Pines Estates WWTP NPDES WW Permit No. NC0056618 Craven County Dear Mr. Hough: The North Carolina Division of Water Resources conducted an inspection of the Carolina Pines Estates WWTP on 3/11/2022. This inspection was conducted to verify that the facility is operating in compliance with the conditions and limitations specified in NPDES WW Permit No. NC0056618. The findings and comments noted during this inspection are provided in the enclosed copy of the inspection report entitled "Compliance Inspection Report". There were no significant issues or findings noted during the inspection and therefore, a response to this inspection report is not required. (ford Css.b. D.p rt..nt d fu.4m.o tal Qadly I DkNm.r MW.< Ie.amco %Winton PrOaral Mar 94310.41io9tm Square WM I Wanks en. 14.6 Cuo4u Rl9 79.4WbW If you should have any questions, please do not hesitate to contact Sarah Toppen with the Water Quality Regional Operations Section in the Washington Regional Office at 252-946-6481 or via email at Sarah.Toppen@ncdenr.gov. ATTACHMENTS Cc: Laserfiche Sincerely, Sarah Toppen, Environmental Specialist II Water Quality Regional Operations Section Washington Regional Office Division of Water Resources, NCDEQ ua.r. V.su otc.w+ommet.+O+ny I DrNn u(Wo1a hwm tutintanleraNIONce I tiay. o<,3eic..uIu I wa►ryiw.wuoernarem x7iwee4a1 United States Environmental Protection Agency E PA Washington, D.C. 20480 Water Compliance Inspection Report Fonn 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 1 IN I 2 IF i 3 I NC0056618 111 121 22/03/11 117 Type 181 I IIIIIIIIIII Inspector Fac Type 19I G 1 201 I 21IIIIII IIIIIIIIIII IIIIIII I IIIIII p6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA 671I 70Li 71 I uI 72 I N I Reserved 731 I 174 79 I I I 111180 I 111180 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Number) Carolina Pines Estates WWTP 141 Blackheath Dr New Bern NC 28560 Entry Time/Date 11:20AM 22/03/11 Permit Effective Date 18/07/01 Exit lime/Date 12:30PM 22/03/11 Permit Expiration Date 23/06/30 Name(s) of Onslte Representative(s)(ntles(s)/Phone and Fax Number(s) /// Mathew Golden/ORC/252-659-0517/ Other Facility Data Name, Address of Responsible OfflclalMtle/Phone and Fax Number Contacted Arthur Hough,PO Box 240908 Charlotte NC 282240908//800-348-2383/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran Sludge Handling Dispo$. Facility Site Review 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 Sarah AToppen DWR/WARO WQ/252-946-6481/ 4/1'1,� 0202-1 %SONO ,k dcp:oki 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 31 NC0056618 I11 121 22_/03/11 Inspection Type I17 18L j 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) On Friday, March 11, 2022, Sarah Toppen with NCDWR met on -site with Matthew Golden, Operator with Carolina Water. The visual alarm was working but the audible alarm was not functioning at the equalization basin. Both audible and visual alarms should be working. The facility was in compliance the day of the inspection. Refer to the inspection report for more details. Page# 2 Permit: NC0056818 Owner - Facility: Carolina Pines Estates WWTP Inspection Date: 03/11/2022 Inspection Typo: Compliance Evaluation Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • 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 outside of the metal tanks were winded and painted the end of 2021. Bar Screens 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? Comment: Equalization Basins Is the basin aerated? Is the basin free of bypass lines or structures to the natural environment? Is the basin free of excessive grease? Are all pumps present? Are all pumps operable? Are float controls operable? Are audible and visual alarms operable? # Is basin size/volume adequate? Yes No NA NE • 0 • ❑ ❑ ❑ ▪ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Yes No NA NE III ❑ ❑ ❑ ▪ ❑ ❑ ❑ ▪ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ■ ❑ ❑ • ❑ ❑ ❑ Comment: The visual alarm was working the day of Inspection but the audible alarm was not operable. Aerobic Digester Yes No NA NE Is the capacity adequate? • 0 ❑ 0 Is the mixing adequate? • 0 0 ❑ Is the site free of excessive foaming in the tank? • 0 0 0 # Is the odor acceptable? • 0 0 0 # Is tankage available for properly waste sludge? • 0 0 0 Page# 3 Permit: NC0056618 Owner - Facility: Carolina Pines Estates WWTP Inspection Date: 03/11/2022 Inspection Type: Compliance Evaluation Aerobic Digester Comment: 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? ■ ❑ ❑ ❑ Is the site free of weir blockage? • 0 0 ❑ Is the site free of evidence of short-circuiting? • 0 ❑ ❑ Is scum removal adequate? ❑ ❑ • ❑ Is the site free of excessive floating sludge? 0 0 ❑ Is the drive unit operational? • 0 0 ❑ Is the return rate acceptable (low turbulence)? • 0 0 ❑ Is the overflow clear of excessive solids/pin floc? • 0 0 0 Is the sludge blanket level acceptable? (Approximately'/4 of the sidewall depth) ❑• ❑ ❑ Comment: The sludge blanket in clarifier 1 was 14 feet and clarifier 2 had a sludge blanket of 14 feet. Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ 0 I ❑ application? Is the facility as described in the permit? ❑ • 0 0 # Are there any special conditions for the permit? • ❑ 0 ❑ Is access to the plant site restricted to the general public? • 0 0 ❑ Is the inspector granted access to all areas for inspection? • ❑ ❑ ❑ Comment: The permit list tablet de -chlorination is being used but the facility is using liquid de-chlorination. Flow Measurement - Effluent 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? I 0 0 0 (If units are separated) Does the chart recorder match the flow meter? 0 ❑ IN ❑ Comment: The flow meter was calibrated by Delta System in July 2022. Page# 4 Permit: NC0056618 Owner - Facility: Carolina Plnes Estates WWTP Inspection Date: 03/11/2022 inspection Type: Compliance Evaluation Aeration Basins Yes No NA NE Mode of operation Ext. Air Type of aeration system Diffused Is the basin free of dead spots? IM 0 0 0 Are surface aerators and mixers operational? 0 ❑ MI 0 Are the diffusers operational? • 0 ❑ 0 Is the foam the proper color for the treatment process? • ❑ ❑ 0 Does the foam cover Tess than 25% of the basin's surface? I 0 ❑ 0 Is the DO level acceptable? ❑ 1 0 0 Is the DO level acceptable?(1.0 to 3.0 mg/I) • 0 0 0 Comment: The DO in aeration tank 1 was 4.43 mq/L and aeration tank 2 was 1.2 mq/L. Pumps-RAS-WAS Are pumps in place? Are pumps operational? Are there adequate spare parts and supplies on site? Comment: Disinfection -Liquid Is there adequate reserve supply of disinfectant? (Sodium Hypochlorite) Is pump feed system operational? Is bulk storage tank containment area adequate? (free of leaks/open drains) Is the level of chlorine residual acceptable? Is the contact chamber free of growth, or sludge buildup? Is there chlorine residual prior to de-chlorinatlon? Comment: Water Guard comes every week to refill the Sodium Hypochlorite. Yes No NA NE • ❑ ❑ ❑ II ❑ ❑ ❑ ❑ ❑ ❑ • Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ▪ ❑ ❑ ❑ • ❑ ❑ ❑ De -chlorination Yes No NA NE Type of system ? Liquid Is the feed ratio proportional to chlorine amount (1 to 1)? • ❑ 0 0 Is storage appropriate for cylinders? • 0 0 ❑ # Is de -chlorination substance stored away from chlorine containers? • ❑ ❑ 0 Are the tablets the proper size and type? ❑ 0 • ❑ Page# 5 Permit: NC0056618 Owner - Fadlity: Carolina Pines Estates WWTP Inspection Date: 03/11/2022 Inspection type: Compliance Evaluation De -chlorination Yes No NA NE Comment: The perimit has tablet de -chlorination system listed as being used but the facility is using liquid Calcium Thiosulfate. Are tablet de -chlorinators operational? ❑ ❑ ❑ Number of tubes in use? Comment: Effluent Sampling Yes No NA Ng 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)? Comment: Sample storage unit temperature was 5 degrees C at the time of inspection. Standby Power Is automatically activated standby power available? Is the generator tested by interrupting primary power source? Is the generator tested under load? Was generator tested & operational during the inspection? Do the generator(s) have adequate capacity to operate the entire wastewater site? Is there an emergency agreement with a fuel vendor for extended run on back-up power? Is the generator fuel level monitored? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ 11112012 ■ ❑ ❑ ❑ � ❑ ❑ ❑ • ❑ ❑ ❑ Comment: There fuel vendor is Mallard qas. There was a full tank of fuel the day of Inspection, Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? MO ❑ ❑ Is all required information readily available, complete and current? ▪ ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? ■ ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? • 0 0 0 Is the chain -of -custody complete? •❑ ❑ ❑ Dates, times and location of sampling Page# 6 Permit: NC0056618 Owner - Facility: Carolina Pines Estates WWTP Inspection Date: 03/11/2022 Inspection Type: Compliance Evaluation Record Keeping 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? Has the facility submitted its annual compliance report to users and DWQ? (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator on each shift? Is the ORC visitation log available and current? Is the ORC certified at grade equal to or higher than the facility classification? 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? Yes No NA NE ■ • • • • ❑ ❑ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ • ❑ ❑ ❑ ▪ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ • ❑ Comment: A spot check looking at September 2021 DMRs, lab reports, chain-of-custodv, and bench sheets was conducted. Page# 7