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HomeMy WebLinkAboutNC0028941_Compliance Evaluation Inspection_20190116ROY COOPER Governor MICHAEL S. REGAN Secretary LINDA CULPEPPER Director Mr. Shannon V. Becker Aqua North Carolina, Inc. 202 Mackenan Court Cary, NC 28511 Dear Mr. Becker: NORTH CAROLINA Environmental Quality January 18, 2019 SUBJECT: Compliance Evaluation Inspection Pine Valley S/D WWTP NPDES Permit NCO028941 Rowan County, NC On January 15, 2019, Roberto Scheller of this Office conducted a compliance inspection at the subject facility. This inspection was conducted as a Compliance Sampling Inspection (CSI) to insure compliance with permit requirements and conditions. At the time of the facility inspection a deficiency was noted that appeared in the previous inspection conducted on June 22, 2017. It was noted that no potable water is available for washdown and maintenance of the treatment facility. Please note that in accordance with NPDES permit NC0028941, Part II, Section C, (2.) Proper Operation and Maintenance, "The permittee shall at all times properly operate and maintain systems of treatment and control..." Please note that proper operations and maintenance includes washdown of treatment equipment. Other than the above noted deficiency the subject facility appeared to be well operated. We wish to thank the operating staff for assistance regarding this inspection. The enclosed report should be self-explanatory; however, should you have any questions, please do not hesitate to contact myself or Roberto Scheller at (704) 235-2204 or roberto.scheller(cDncdenr.gov. Sincerely, EA DocuSigned by: 4,4 cao H P44," for F161FB69A2D84A3... W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDEQ Enclosure: CSI Report CC: Ricky Reynolds, ORC, email: ricky.reynolds@aquaamerica.com D E Q�� North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1 610 East Center Avenue, Suite 301 1 Mooresville, North Carolina 28115 NORTH CAROLINA � o.namremor �w.c�giuuei� /`� 704.663.1699 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 NCO028941 111 12 I 19/01/15 I17 18 I S I 19 LG] I 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 70I�_71 I 72 Lr] 73I i74 751 1 1 1 1 80 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) 01:06PM 19/01/15 14/04/01 Pine Valley Subdivision WWTP NCSR 1802 Exit Time/Date Permit Expiration Date Salisbury NC 28144 02:10PM 19/01/15 19/03/01 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Ricky Dean Reynolds/ORC/785-307-0864/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Shannon V Becker,202 Mackenan Ct Cary NC 27511/President/919-653-5570/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters 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 DocuSigned by: - - SQL MRO WQ//252-946-6481/ 1/17/2019 Roberto SchellerCj91C2A007838943E— Signatureof Management Q A Reviewer Agency/Office/Phone and FaxumSigned by: Date ��H pa*." for WC13 W. Corey Basinger Division of Water Quality//704-2; F161 FB69A2D84A3- 1/18/19 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCO028941 111 121 19/01/15 1 17 18 JCJ Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# Permit: NCO028941 Owner - Facility: Pine Valley Subdivision WWTP Inspection Date: 01/15/2019 Inspection Type: Compliance Evaluation Yes No NA NE Are records kept and maintained as required by the permit? 0 Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new 0 ❑ ❑ ❑ application? Are all records maintained for 3 years (lab. reg. required 5 years)? 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: At time of inspection permit for subject facility was under review for renewal. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ ❑ ❑ Is all required information readily available, complete and current? 0 ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? 0 ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑ Is the chain -of -custody complete? 0 ❑ ❑ ❑ Dates, times and location of sampling analyses under certification #50. Field analyses are performed under Field Certification Name of individual performing the sampling #5035. Field eauiDment calibration sheets were reviewed and UD to date. Results of analysis and calibration Dates of analysis Name of person performing analyses Transported CM 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? ❑ ❑ 0 ❑ Comment: Records reviewed were current and up to date. Contract Laboratory Water Tech performs analyses under certification #50. Field analyses are performed under Field Certification #5035. Field eauiDment calibration sheets were reviewed and UD to date. Operations & Maintenance Yes No NA NE Page# 3 Permit: NCO028941 Owner - Facility: Pine Valley Subdivision WWTP Inspection Date: 01/15/2019 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: At time of inspection process control and operations loa reviewed It was noted in the last inspection of this facility on 06/22/2017 that no potable waster was avaliable for plant washdown and maintenance. Part II, Section C. of NDPES Permit NCO028941 (2.) "Proper Operation and Maintenance, The permittee shall at all times properly operate and maintain systems of treatment and control..." Please note that proper operations include washdown of treatment equipment. Bar Screens Yes No NA NE Type of bar screen Ext. Air ❑ ❑ Type of aeration system a.Manual 0 ❑ Is the basin free of dead spots? 0 ❑ b.Mechanical ❑ Are surface aerators and mixers operational? ❑ ❑ 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: Screenings placed in dumpster with final disposal in sanatary landfill. Aeration Basins Yes No NA NE Mode of operation Ext. Air ❑ ❑ Type of aeration system Diffused 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: At time of inspection MLSS had good color and appeared to be well mixed. 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 ❑ ❑ ❑ Page# 4 Permit: NCO028941 Inspection Date: 01/15/2019 Secondary 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? Owner - Facility: Pine Valley Subdivision WWTP Inspection Type: Compliance Evaluation 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) Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ ■ Comment: At time of inspection return sludge appeared to be operating proper and discharging to head of aeration basin. 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: Flow meter was last calibrated on 3/7/2018. Disinfection -Tablet Yes No NA NE Are tablet chlorinators operational? 0 ❑ ❑ ❑ Are the tablets the proper size and type? 0 ❑ ❑ ❑ Number of tubes in use? 2 # Is de -chlorination substance stored away from chlorine containers? ❑ ❑ 0 Is the level of chlorine residual acceptable? ❑ ❑ ❑ 0 Is the contact chamber free of growth, or sludge buildup? 0 ❑ ❑ ❑ Is there chlorine residual prior to de -chlorination? ❑ ❑ ❑ 0 Comment: 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 ❑ Are the tablets the proper size and type? 0 ❑ ❑ ❑ Page# 5 Permit: NC0028941 Inspection Date: 01/15/2019 De -chlorination Comment: Feed ratio chlorine to de -chlorination was 1 to 2 Are tablet de -chlorinators operational? Number of tubes in use? Comment: Owner - Facility: Pine Valley Subdivision WWTP Inspection Type: Compliance Evaluation Effluent Pipe 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? Yes No NA NE ■ ❑ ❑ ❑ 4 Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ Comment: A slight amount of foam was being generated at point of discharge but disipated quickly. At time of inspection effluent was clear with no visible suspended solids. Page# 6