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Home My WebLink AboutNC0020737_Final Permit_20240318DocuSign Envelope ID: AE7EBE74-98E4-44BD-9BOB-CA6378676BF8 ROY COOPER Governor ELIZABETH S. BISER Secretary RICHARD E. ROGERS, JR. Director NORTH CAROLINA Environmental Quality March 18, 2024 Ricky Duncan, Public Infrastructure Director City of Kings Mountain P.O. Box 429 Kings Mountain, North Carolina 28086 SUBJECT: Authorization to Construct A to C No. 020737A05 City of Kings Mountain Pilot Creek WWTP NPDES Permit No. NCO020737 DWI Project No. SRP-W-ARP-0007 Dear Mr. Duncan: A letter of request for an Authorization to Construct was received December 21, 2023, by the Division of Water Resources (Division). With additional information received on March 15, 2024, final plans and specifications for the subject project have been reviewed and found to be satisfactory. Authorization is hereby granted for the construction of modifications to the existing 6.0 MGD Pilot Creek WWTP, with discharge of treated wastewater into the Buffalo Creek in the Broad River Basin. This authorization results in no increase in design or permitted capacity and is awarded for the construction of the following specific modifications: • Two (2) 3,200 GPM @ 62 TDH solids submersible influent pumps, Two (2) 2,100 GPM @ 62 TDH solids submersible influent pumps, One (1) 3,200 GPM @ 62 TDH self -priming centrifugal influent pump. • One (1) 15-MGD manual bar screen, One (1) 15-MGD mechanical bar screen, One (1) 15-MGD Vortex grit removal. • Three (3) 2,217,251gallon Sequencing Batch Reactors (SBR)s, Six (6) 24-HP submersible SBR anoxic mixers, Three (3) 3,520 CFM SBR Screw PD blowers, Six (6) 288 GPM @ 20 TDH submersible SBR solids WAS pumps. • Two (2) 80,464-gallon Liquid chlorination contact tank, one (1) 10,000-gallon Liquid Dichlorination contact tank. • All necessary piping and controls; in conformity with the project plans, specifications, and other supporting documentation comprising the ATC Permit Application package submitted to the Department of Environmental Quality. North Carolina Department of Environmental Quality I Division of Water Resources D E Q�� 512 North Salisbury Street 11611 Mail Service Center I Raleigh, North Carolina 27699-1611 NORTH CAROLINA 919.707.9000 DeparlmeM of Envlmnmvnbl fNal� DocuSign Envelope ID: AE7EBE74-98E4-44BD-9BOB-CA6378676BF8 Ricky Duncan, Public Infrastructure Director March 18, 2024 Page 2 of 4 This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No. NC0020737 issued effective February 1, 2020, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0020737. It is the Owner's responsibility to ensure that the as -constructed project meets the requirements of all applicable regulations and statutes, the ATC Permit Application package, and all of the requirements contained herein. Failure to comply may result in penalties in accordance with North Carolina General Statute § 143-215.6A through § 143-215.6C. The sludge generated from these treatment facilities must be disposed of in accordance with G.S. 143-215.1 and in a manner approved by the Division. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by the Division, such as the construction of additional or replacement wastewater treatment or disposal facilities. The Mooresville Regional Office, telephone number (704) 663-1699, shall be notified at least forty-eight (48) hours in advance of operation of the installed facilities so that an on -site inspection can be made. Such notification to the regional supervisor shall be made during the normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State Holidays. Upon completion of construction and prior to operation of this permitted facility, a certification must be received from a Professional Engineer certifying that the permitted facility has been installed in accordance with the NPDES Permit and the ATC Permit Application package. Mail the Certification to: Division of Water Resources, WQ Permitting — NPDES, 1617 Mail Service Center, Raleigh, NC 27699-1617. Upon classification of the facility by the Certification Commission, the Permittee shall employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the wastewater treatment facilities. The operator must hold a certificate of the type and grade at least equivalent to or greater than the classification assigned to the wastewater treatment facilities by the Certification Commission. The Permittee must also employ a certified back-up operator of the appropriate type and grade to comply with the conditions of T15A:8G.0201. The ORC of the facility must visit each Class I facility at least weekly and each Class II, III and IV facility at least daily, excluding weekends and holidays, must properly manage the facility, must document daily operation and maintenance of the facility, and must comply with all other conditions of TI5A:8G.0204. DocuSign Envelope ID: AE7EBE74-98E4-44BD-9BOB-CA6378676BF8 Ricky Duncan, Public Infrastructure Director March 18, 2024 Page 3 of 4 A copy of the project plans and specifications shall be maintained on file by the Permittee for the life of the facility. During the construction of the proposed additions/modifications, the Permittee shall continue to properly maintain and operate the existing wastewater treatment facilities at all times, and in such a manner, as necessary to comply with the effluent limits specified in the NPDES Permit. You are reminded that it is mandatory for the project to be constructed in accordance with the North Carolina Sedimentation Pollution Control Act, and when applicable, the North Carolina Dam Safety Act. In addition, the specifications must clearly state what the contractor's responsibilities shall be in compliance with these Acts. Prior to entering into any contract(s) for construction, the recipient must have obtained all applicable permits from the State. The issuance of this ATC does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other government agencies (local, state, and federal) which have jurisdiction. If you have any questions or need additional information, please contact Fenton Brown Jr. at telephone number (919) 707-3612 or by email at fenton.brown.jr@deq.nc.gov. Sincerely, IDocuSigned by: b4 NWAU, U, CE9CMX45B4D4... by Douglas Dowden Environmental Programs Supervisor II Industrial Permitting Unit Division of Water Resources Attachments: Engineer's Certification cc: NPDES Files Cleveland County Health ecopy: Joseph W. McGougan, PE, MBD Consulting Engineers Email: jmcgougan@mbd-eng.com DWR Mooresville Regional Office, Water Quality Programs DWI/Julia.byrd@deq.ncgov; Trupti.desai@deq.nc.gov DocuSign Envelope ID: AE7EBE74-98E4-44BD-9BOB-CA6378676BF8 uiuy or rungs iviouniain Pilot Creek WWTP Authorization to Construct No. 020437A05 ISSUED March 8, 2024 NPDES Permit No. NC0020737 Engineer's Certification ❑ Final Engineering Certification / ❑ Partial Engineering Certification (mark all that apply) I, , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically/weekly/full time) the construction of the modifications and improvements to the River Bend Wastewater Treatment Plant, located in Craven County, hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following construction: ❑ Two (2) 3,200 GPM @ 62 TDH solids submersible influent pumps, Two (2) 2,100 GPM @ 62 TDH solids submersible influent pumps, One (1) 3,200 GPM @ 62 TDH self -priming centrifugal influent pump. ❑ One (1) 15-MGD manual bar screen, One (1) 15-MGD mechanical bar screen, One (1) 15- MGD Vortex Grit removal. ❑ Three (3) 2,217,25 1 gallon Sequencing Batch Reactors (SBR)s, Six (6) 24-HP submersible SBR anoxic mixers, Three (3) 3,520 CFM SBR Screw PD blowers, Six (6) 288 GPM @ 20 TDH submersible SBR solids WAS pumps. ❑ Two (2) 80,464-gallon Liquid/Gas chlorination contact tank, one (1) 10,000-gallon Liquid/Gas Dichlorination contact tank. ❑ All necessary piping and controls; in conformity with the project plans, specifications, and other supporting documentation comprising the ATC Permit Application package submitted to the Department of Environmental Quality. I certify that the construction of the above referenced project was observed to be built within substantial compliance, intent and in conformity with all applicable regulations and statutes and the project plans, specifications, and other supporting documentation comprising the Authorization to Construct Permit Application package. Signature Date Registration No. Mail this Certification to: Attn: Ori Tuvia NPDES Industrial Permitting Unit DEQ/DWR/Water Quality Programs 1617 Mail Service Center Raleigh, NC 27699-1617