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Home My WebLink AboutWQCS00054_Compliance Evaluation Inspection_20220506ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director Mr. Mark Watson, County Manager Union County 500 North Main Street Monroe NC 28112 NORTH CAROLINA Environmental Quality May 6, 2022 Subject: Compliance Evaluation Inspection Permittee: Grassy Branch Wastewater Collection System Permit No. WQCS00054 Union County NC Dear Mr. Watson, Tony Parker and Roberto Scheller of the Mooresville Regional Office of the NC Division of Water Resources (DWR or the Division) conducted a compliance evaluation inspection (CEI) of the subject wastewater collection system (WWCS) on March 22, 2022. The assistance provided by Greggory Morgan, Matt Hargett and Jayme Hargett during this inspection is greatly appreciated. A copy of the inspection report is attached for your records and inspection findings are summarized below. Site/System Review The following system components were inspected: a. Two pump station were inspected. One issue noted. Please see attached report for details. b. Numerous man holes were inspected. No issues noted. c. Numerous upgrades to this system were noted and comments are in the attached report. As you are aware, owners of permitted collection systems must comply with their permit and all rules listed under NC Administrative Code 15A NCAC 02T .0400, et seq. The system's compliance status with each of these rules is summarized below: a. 15A NCAC 02T .0403(a)(1): Requires that the system be effectively maintained and operated at all times to prevent discharge to land or surface waters and any contravention of ground or surface water standards. NORTH CAIROLIPIC),) oep.m.m orEMr nment ou.i� North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1601 East Center Avenue, Suite 301 I Mooresville, NC 28115 704.663.1699 Observations: The County had previously reported SSO's for this system. These have been addressed previously under separate cover. Compliance Status: Compliant b. 15A NCAC 02T .0403(a)(2): Requires that a map of the wastewater collection system be developed and actively maintained. Observations: The County uses digital maps. Compliance Status: Compliant c. 15A NCAC 02T .0403(a)(3): Requires that an operation and maintenance (O&M) plan be developed and implemented, which includes inspection frequency, preventative maintenance schedule, and overflow response. Observations Records were available for all activities. Compliance Status: Compliant d. 15A NCAC 02T .0403(a)(4): Requires that the permittee or its representative inspect pump stations that are not connected to a telemetry system (i.e., remote alarm system) every day (i.e., 365 days per year) and pump stations that are connected to a telemetry system at least once per week. Observations: Pump station logs indicate that the pump stations are being inspected as required. Compliance Status: Compliant e. 15A NCAC 02T .0403(a)(5): Requires that the permittee or its representative inspect high -priority sewers (HPS - as defined in 15A NCAC 02T .0402(2)) at least once every six months and document the inspections. Observations: All high priority lines were inspected and documented as required. Compliance Status: Compliant f. 15A NCAC 02T .0403(a)(6): Requires that the permittee or its representative conduct a general observation of the entire wastewater collection system at least once per year and document same. Compliance Status: Compliant. D_E NORTH CARCLINA gaparMeM of Environment,/quay North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1601 East Center Avenue, Suite 301 I Mooresville, NC 28115 704.663.1699 g. 15A NCAC 02T .0403(a)(7): Requires that overflows and bypasses from the system be reported to the Division's Mooresville Regional Office in accordance with 15A NCAC 02B .0506(a), and that public notice must be provided as required by G.S. 143-215.1C. Observations: SSO's have been reported with this system for this review period and have been previously addressed. The NC regulations and statutes, which cover the reporting requirements for SSOs, are found in NC Administrative Code 15A NCAC 02B .0506(a) and NC General Statute 143-215.1C, respectively. You may access the NC regulations online at the NC Office of Administrative Hearings (OAH) website at: http://www.oah.state.nc.us/rules/ and the NC General Statutes online at the NC General Assembly's website at: http://www.ncga.state.nc.us/gascripts/Statutes/StatutesTOC.pl. You may wish to review them to ensure you are fully familiar with all requirements. When reporting SSOs to DWQ, you must call the Mooresville Regional Office (MRO) at 704-663-1699 during normal business hours. If outside normal business hours, you must report the spill to the NC Division of Emergency Management at 1-800-858-0368. Please note that all reportable SSOs must be reported within 24 hours of the occurrence, or first knowledge, of the SSO. Please also note that voice mail or faxed messages are not considered as the initial verbal report. You must talk to and report the spill to a live person. Compliance Status: Compliant h. 15A NCAC 02T .0403(a)(8): Requires that a grease control program be developed and implemented as follows: J. 1. For publicly owned collection systems, the Grease Control Program shall include at least bi-annual distribution of grease education materials to users. 2. Grease education materials shall be distributed more often than required above if necessary to prevent grease -related sanitary sewer overflows. Observations: Educational info is provided as required. Compliance Status: Compliant. i. 15A NCAC 02T .0403(a)(9): Requires that right-of-ways (ROW) and easements be maintained to allow for personnel and equipment accessibility. Observations: Lines and R/W's were well maintained. Compliance Status: Compliant. 15A NCAC 02T .0403(a)(10): Requires that documentation be kept for all activities you undertake to comply with the requirements of 15A NCAC 02T .0403, DE NORTH CAROLINA gaparMeM of Environment,/quay North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1601 East Center Avenue, Suite 301 I Mooresville, NC 28115 704.663.1699 subparagraphs (a)(1) through (a)(9), for a minimum of three years, with the exception of the map, which shall be maintained for the life of the system. Observations: Records were reviewed for all activities. Compliance Status: Compliant The attached inspection report should be self-explanatory; however, if you have any questions regarding the inspection report or this letter please contact Tony Parker at 704-663-1699 or tony.parker@ncdenr. gov. Attachments: BIMS Inspection Report CC: DWR files (Laserfiche) D_E NORTH CARCLINA gaparMeM of Environment,/quay Sincerely, DocuSigned by: i�s.eizcw 1-i Pap 4 F161FB69A2D84A3... for W. Corey Basinger, Regional Supervisor Mooresville Regional Office Water Quality Regional Operations Section Division of Water Resources, NCDEQ North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1601 East Center Avenue, Suite 301 I Mooresville, NC 28115 704.663.1699 Compliance Inspection Report Permit: WQCS00054 Effective: 07/01/15 SOC: Effective: County: Union Region: Mooresville Expiration: 06/30/23 Expiration: Contact Person: Bart Farmer Title: Directions to Facility: System Classifications: CS3, Primary ORC: Gregory Wayne Morgan Secondary ORC(s): On -Site Representative(s): Related Permits: NC0024970 NC0024333 NC0085812 NC0069523 NC0085359 NC0069841 Owner : Union County Facility: Union County Collection System PO Box 987 Certification: 989865 Charlotte Water - McAlpine Creek WWTP City of Monroe - Monroe WWTP Union County - Grassy Branch WWTP Union County - Tallwood Estates WWTP Union County - Twelve Mile Creek WWTP Union County - Crooked Creek WWTP #2 Inspection Date: 05/05/2022 Entry Time 09:35AM Primary Inspector: Tony Parker Secondary Inspector(s): Roberto Scheller Reason for Inspection: Routine Permit Inspection Type: Collection system management and operation Facility Status: Compliant ❑ Not Compliant Question Areas: Miscellaneous Questions Manholes (See attachment summary) Exit Time: 01:30PM Phone: 704-296-4227 Phone: 704-289-3288 Phone: 704-663-1699 Inspection Type: Technical Assistance II Pump Stations Page 1 of 4 Permit: WQCS00054 Owner - Facility: Union County Inspection Date: 05/05/2022 Inspection Type : Technical Assistance Reason for Visit: Routine Inspection Summary: Page 2 of 4 Permit: WQCS00054 Owner - Facility: Union County Inspection Date: 05/05/2022 Inspection Type : Technical Assistance Reason for Visit: Routine Manholes Please list the Manholes Inspected: This inspection is focused on providing assistance to the County's Grassy Branch Collection System due to previous I/1 issues. Numerous M/H's inspected and No issues noted. It was noted that the County had lined one M/H and had rehabed numerous M/H's in this system. In addition they have added inflow collector pans to numerous M/H's and completed numerous C/O repairs. Are manholes accessible? # Are manhole covers/vents above grade? Are manholes free of visible signs of overflow? Are manholes free of sinkholes and depressions? Are manhole covers present? # Are manholes properly seated? # Are manholes in good condition? # Are inverts in good condition? Is flow unrestricted in manholes? Are manholes free of excessive amounts of grease? Are manholes free of excessive roots? Are manholes free of excessive sand? Are manhole vents screened? Are vents free of submergence? Are manholes free of bypass structures or pipes? Comment: No major issues noted with M/H's, Pump Stations Please list the Pump Stations Inspected: Loxdale P/S and Unionville School P/S. The only issue noted was the audiable alarm horn did not function at the Loxdale P/S when tested. The horn should be repaired or replaced. The Unionville School P/S has been replaced with a new P/S.in October 2020.and also installed influent flow monitoring. # Number of duplex or larger pump stations in system # Number of vacuum stations in system # Number of simplex pump stations in system # Number of simplex pump stations in system serving more than one building How many pump/vacuum stations have: # A two-way "auto polling" communication system (SCADA) installed? # A simple one-way telemetry/communication system (auto -dialer) installed? For pump stations inspected: Are they secure with restricted access? Were they free of by-pass structures/pipes? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ II El El El Yes No NA NE 52 0 0 0 52 0 • ❑ ❑ ❑ • ❑ ❑ ❑ Page 3 of 4 Permit: WQCS00054 Owner - Facility: Union County Inspection Date: 05/05/2022 Inspection Type : Technical Assistance Reason for Visit: Routine Were wet wells free of excessive grease/debris? # Do they all have telemetry installed? Is the communication system functional? Is a 24-hour notification sign posted ? Does the sign include: Owner Name? Pump station identifier? # Address? Instructions for notification? 24-hour emergency contact numbers? Are audio and visual alarms present? Are audio and visual alarms operable? # Is there a backup generator or bypass pump connected? If tested during inspection, did it function properly? Is the back-up system tested at least bi-annually under normal operating conditions? # Does it have a dedicated connection for a portable generator? # Is the owner relying on portable units in the event of a power outage? # If Yes, is there a distribution plan? If Yes, what resources (Units/Staff/Vehicles/etc) are included in Plan? The County relies on dedicated and portable generators for backup. The two P/S's inspected in the Grassy Branch system had a portable generator on site and the generators ran W/O issue when tested. # Does Permittee have the approved percentage of replacement simplex pumps? Is recordkeeping of pump station inspection and maintenance program adequate? Do pump station logs include at a minimum: Inside and outside cleaning and debris removal? Inspecting and exercising all valves? Inspecting and lubricating pumps and other equipment? Inspecting alarms, telemetry and auxiliary equipment? Comment: No major issues noted with P/S's. • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Page 4 of 4