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Home My WebLink AboutNCG590024_Mitchell_Bluff_CEI_Letter_20240708.docx_20240708ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Aqua North Carolina, Inc. Attn: Shannon V. Becker, President 202 Mackenan Drive Cary, NC 27511 NORTH CAROLINA Environmental Quality July 9, 2024 SUBJECT: Compliance Evaluation Inspections Community Water Treatment Plants Owned by Aqua North Carolina, Inc., & Operated Under General NPDES Permit #: NCG590000 Surry County On June 20th, 2024, Ron Boone and Michael Gearran, of the Winston-Salem Regional Office of the NC Division of Water Resources, conducted compliance evaluation inspections at the following facilities owned and operated by Aqua North Carolina, Inc. The assistance of the Operator in Responsible Charge (ORC), Billy Young, was greatly appreciated. All seven facilities are located in Surry County. The inspections were conducted in the following order: Facility Name Discharge Certificate of Coverage Number Reeves Woods Subdivision Well #2 NCG590031 Bannertown Hills Subdivision — Well #2 NCG590027 Hillcrest Subdivision — Well #3 NCG590026 The Hollows Subdivision NCG590030 Windgate Subdivision —#1 NCG590025 Snow Hill Subdivision NCG590029 Mitchell Bluff Subdivision Well #1 NCG590024 Several compliance issues were noted at each facility as detailed below: 1. Reeves Woods — NCG590031: a. Keep dechlorination tablets in tubes at all times; b. Keep copy of field lab certification on site at all times; c. Keep copy of the plant's certificate of coverage on site at all times; d. Repair the broken dechlor tube; and, e. Outfall location unknown. North Carolina Department of Environmental Quality I Division of Water Resources Winston-Salem Regional Office 1 450 W. Hanes Mill Rd, Suite 300 I Winston-Salem, North Carolina 27105 NoanicaaouNn oep.m.m or em�nmen� Qualm, 336.776.9800 2. Bannertown Hills — NCG590027: a. Keep copy of field lab certification on site at all times; and, b. Keep copy of the plant's certificate of coverage on site at all times. 3. Hillcrest Subdivision — NCG590026: a. Keep copy of field lab certification on site at all times; and, b. Keep copy of the plant's certificate of coverage on site at all times. 4. The Hollows — NCG590030: a. Keep dechlorination tablets in tubes at all times; b. Keep copy of field lab certification on site at all times; c. Keep copy of the plant's certificate of coverage on site at all times; d. Repair the broken dechlor tubes; and, e. Outfall location unknown. S. Windgate — NCG590025: a. Keep dechlorination tablets in tubes at all times; b. Keep copy of field lab certification on site at all times; and, c. Keep copy of the plant's certificate of coverage on site at all times; 6. Snow Hill — NCG590029: a. Keep copy of field lab certification on site at all times; b. Keep copy of the plant's certificate of coverage on site at all times; and, c. Outfall location unknown. 7. Mitchell Bluff — NCG590024: a. Keep copy of field lab certification on site at all times; b. Keep copy of the plant's certificate of coverage on site at all times; and, c. Outfall location unknown. NORTH CAROLINAD � �� oeo+ro�.m m F,mro��w n�si� North Carolina Department of Environmental Quality I Division of Water Resources Winston-Salem Regional Office 1 450 W. Hanes Mill Rd, Suite 300 1 Winston-Salem, North Carolina 27105 336.776.9800 The issues noted above represent non-compliance with the NCG590000 general permit and should be corrected as soon as possible. Please contact Mr. Boone by phone at 336-776-9690 or by email at ron.boone@deg.ncgov if you have any questions or concerns about the inspections, this letter or its requirements. Sincerely, DocuSigned by: OD2D3CE3F1 B7456... Jennifer F. Graznak, Assistant Regional Supervisor Water Quality Regional Operations Section Winston-Salem Regional Office Division of Water Resources, NCDEQ Attachments: 1. Reeves Woods Subdivision Well #2, NCG590031, Water Compliance Inspection Report 2. Bannertown Hills Subdivision — Well #2, NCG590027, Water Compliance Inspection Report 3. Hillcrest Subdivision — Well #3, NCG590026, Water Compliance Inspection Report 4. The Hollows Subdivision, NCG590030, Water Compliance Inspection Report 5. Windgate Subdivision — #1, NCG590025, Water Compliance Inspection Report 6. Snow Hill Subdivision, NCG590029, Water Compliance Inspection Report 7. Mitchell Bluff Subdivision Well #1, NCG590024, Water Compliance Inspection Report NORTH CAROLINAD E Q oeo+ro�.m m F,mro��w n�si� North Carolina Department of Environmental Quality I Division of Water Resources Winston-Salem Regional Office 1 450 W. Hanes Mill Rd, Suite 300 1 Winston-Salem, North Carolina 27105 336.776.9800 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 1 2 u 3 I NCG590024 111 121 24/06/20 I17 18 I C I 19 I s I 20L] 21111I I I I I I I II I I I I I I I I I I I I I I I I I I I I I I I II I I I I I r6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved ------------------- 67 I 72 I ni I 71 I 74 79 I I I I I I I80 701 I 71 I LL -1 I I LJ 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 Dermit Number) 12:45PM 24/06/20 19/10/01 Mitchell Bluff Subdivision Well #1 Mitchell Cove Rd Exit Time/Date Permit Expiration Date Elkin NC 28621 01:05PM 24/06/20 24/07/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Not Required/ORC/919-707-9190/ Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Lauren A Raup-Plummer,202 Mackenan Ct Cary NC 27511/Engineering Manager/919-653-6977/9194601788 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran 0 Facility Site Review Effluent/Receiving Wate 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 Ron Boone DWR/WSRO WQ/336-776-9690/ DocuSigned by: 7/8/2024 O*%4-V x. YJOO111e, Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date FjDocuSigned by: � 4. DWR/WSRo 336-776-9695 7/9/2024 '---OD2D3CE3F167456.- EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type NCG590024 I11 12I 24/06/20 117 18 i c i (Cont.) Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) On June 20th, 2024, Ron Boone and Michael Gearran of the Winston-Salem Regional Office of the NC Division of Water Resources conducted a compliance evaluation inspection of the Mitchell Bluff Subdivision Well #1 and its discharge certificate of coverage, NCG590024, under the General NPDES discharge permit NCG590000. The assistance and cooperation of the operator, Billy Young, was greatly appreciated. The inspection findings are detailed below: a. Flow is calculated using flow restrictors (flow rate * time); b. Facility has four green sand filters; c. Each filter backwashes separately; d. Backwash occurs once for every set amount of treated water, but will backwash every seven days regardless of how much has been treated; e. Caustic Soda used for pH adjustment; f. Sodium hypochlorite used for disinfection; g. Liquid sodium thiosulfate is used for dechlorination; h. Total Residual Chlorine (TRC) samples collected from discharge of dechlorination contact chamber; i. Outfall location is unknown; j. Operations & Maintenance (O&M) and Visitation Logs were readily available, complete and current; k. Laboratory records and DMR records were reviewed post -inspection and no errors or discrepancies were noted; I. Facility uses Aqua's field laboratory certification #5035. m. Field lab certification not on site; n. Certificate of coverage not on site; and, o. Site well secured and clean. COMPLIANCE ISSUES THAT MUST BE RECTIFIED: a. Keep copy of field lab certification on site at all times; b. Keep copy of the plant's certificate of coverage on site at all times; and, c. Outfall location unknown. Please feel free to contact Mr. Boone at any time by phone at 336-776-9690, or by email at ron.boone@deq.nc.gov, if you have any questions or concerns about this letter or the inspection. Page# Permit: NCG590024 Owner - Facility: Mitchell Bluff Subdivision Well #1 Inspection Date: 06/20/2024 Inspection Type: Compliance Evaluation Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ ■ ❑ application? Is the facility as described in the permit? ■ ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ ■ ❑ ❑ Is access to the plant site restricted to the general public? ■ ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? ■ ❑ ❑ ❑ Comment: Please refer to the inspection summary section of this report. Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? ❑ ■ ❑ ❑ 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? ■ ❑ ❑ ❑ Is the chain -of -custody complete? ■ ❑ ❑ ❑ Dates, times and location of sampling ■ 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? ❑ ❑ ■ ❑ Comment: Certificate of coverage and field lab cert are not on site. Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? ■ ❑ ❑ ❑ Page# 3 Permit: NCG590024 Inspection Date: 06/20/2024 Laboratory Owner - Facility: Mitchell Bluff Subdivision Well #1 Inspection Type: Compliance Evaluation Are all other parameters(excluding field parameters) performed by a certified lab? # Is the facility using a contract lab? # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? Comment: Please refer to the inspection summary section of this report. Effluent Sampling 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: Please refer to the inspection summary section of this report. Upstream / Downstream Sampling Is the facility sampling performed as required by the permit (frequency, sampling type, and sampling location)? Comment: Please refer to the inspection summary section of this report. Flow Measurement - Influent # Is flow meter used for reporting? Is flow meter calibrated annually? Is the flow meter operational? (If units are separated) Does the chart recorder match the flow meter? Comment: Flow is calculated using flow restrictors (flow rate * time) De -chlorination Type of system ? Is the feed ratio proportional to chlorine amount (1 to 1)? Yes No NA NE ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ Yes No NA NE ❑ ❑ ■ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ■ ❑ ❑ ❑ ❑ ■ ■ ❑ ❑ ❑ Yes No NA NE ■ ❑ ❑ ❑ Yes No NA NE ■ ❑ ❑ ❑ ❑ ■ ❑ ❑ ■ ❑ ❑ ❑ ❑ ❑ ■ ❑ Yes No NA NE Liquid ❑ ■ ❑ ❑ Page# 4 Permit: NCG590024 Inspection Date: 06/20/2024 De -chlorination Owner - Facility: Mitchell Bluff Subdivision Well #1 Inspection Type: Compliance Evaluation Is storage appropriate for cylinders? # Is de -chlorination substance stored away from chlorine containers? Are the tablets the proper size and type? Comment: Liquid sodium thiosulfate is used for dechlorination. Are tablet de -chlorinators operational? Number of tubes in use? Comment: Please refer to the inspection summary section of this report. 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? Comment: Outfall location is unknown. Yes No NA NE ❑ ❑ ■ ❑ Yes No NA NE 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 ❑ 0 ❑ ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: Please refer to the inspection summary section of this report. Page# 5