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HomeMy WebLinkAboutNC0065684_Authorization to Construct_20220427Aqua North Carolina, Inc. Country Woods WWTP Authorization to Construct No. 065684A05 Issued May 19, 2020 NPDES Permit No. NCO065684 Engineer's Certification I, KeJ1W NASA , as a duly reg st fessional Engineer in the State of North Carolina, having been authorized to obseryperiodically eekly/full time) the. construction of the modifications and improvements to the 'gods Wastewater Treatment Plant. located in Union County, hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following constructirnl: Installation of two (2) 589 GPM submersible pumps for pre-EQ surge tank, one (1) distribution box, one (1) 47,579-gallon EQ tank, two (2) 333 GPM submersible EQ pumps, one (1) 26,93 1 -gallon aerated sludge holding tank, two (2) 1,088 SCFM blowers for EQ & sludge holding tank, one (1) l 90,000-gallon aerobic tank, one (1) 550 SCFM blower for aerobic tank, one (1) 31 ' diameter circular secondary clarifier with 10' side -water depth, two (2) 120 SCFM blowers for RAS & scum air lift, two (2) tertiary disc filters, one (1) mudwell with two (2) 80 GPM submersible pumps, one (1) 20,199-gallon chlorination/dechlorination tank as backup for existing UV system, one (1) 6,172-gal Ion rectangular post aeration tank, two (2) 135 SCFM blowers for post aeration tank, one (1) effluent metering box, one (1) operations building, 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 Registration No Date ti/T7/2z Mail this Certification to: Attn: Min Xiao Complex Permitting Unit DEQ/DWR/Water Quality Programs 1617 Mail Service Center Raleigh, NC 27699-1617 oy5S 1-7 ROY COOPER Governor MICHAEL S. REGAN Secretary S. DANIEL SMITH Director Mr. Michael A. Melton Engineering Manager Aqua NC, Inc. 202 Mackenan Drive Cary, North Carolina 27511 Dear Mr. Melton: NORTH CAROLINA Environmmial Quality May 19, 2020 SUBJECT: Authorization to Construct A to C No. 065684A05 Aqua NC, Inc. Country Woods WWTP NPDES Permit No. NCO065684 A letter of request for an Authorization to Construct was received April 13, 2020, by the Division of Water Resources (Division). With additional information received on May 11, 2020 and May 18, 2020, 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 0.48 MGD, Country Woods WWTP, with discharge of treated wastewater into the Goose Creek in the Yadkin -Pee Dee River Basin. This authorization results in an increase in design and permitted capacity to 0.67 MGD, and is awarded for the construction of the following specific modifications: Installation of two (2) 589 GPM submersible pumps for pre-EQ surge tank, one (1) distribution box, one (1) 47,579-gallon EQ tank, two (2) 333 GPM submersible EQ pumps, one (1) 26,931-gallon aerated sludge holding tank, two (2)1,088 SCFM blowers for EQ & sludge holding tank, one (1) 190,000-gallon aerobic tank, one (1) 550 SCFM blower for aerobic tank, one (1) 31' diameter circular secondary clarifier with 10' side -water depth, two (2) 120 SCFM blowers for RAS & scum air lift, two (2) tertiary disc filters, one (1) mudwell with two (2) 80 GPM submersible pumps, one (1) 20,199-gallon chlorination/dechlorination tank as backup for existing UV system, one (1) 6,172-gallon rectangular post aeration tank, two (2) 135 SCFM blowers for post aeration tank, one (1) effluent metering box, one (1) operations building; 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 Q1� 512 Noah Salisbury Street 1 1611 Mail Service Center I Raleigh. North Carolina 276991611 Waat'�,..� \ 919.707.9000 Mr. Michael A. Melton, Engineering Manager May 19, 2020 Page 2 of 3 This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No. NCO065684 issued effective October 1, 2016, and shall be subject to revocation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0065684. 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 T 15A:8G.0202. 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 T15A:8G.0202. A copy of the project plans and specifications shall be maintained on file by the Permittee for the life of the facility. Page 2 of 3 m Mr. Michael A. Melton, Engineering Manager May 19, 2020 Page 3 of 3 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 complying 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 Min Xiao at telephone number (919) 707-3644. Sincerely, for S. Daniel Smith Director, Division of Water Resources With Engineer's Certificate attached: cc: Central Files NPDES File ecopy: Kevin Nash, P.E. RK&K Email: knash@rkk.com DWR Mooresville Regional Office, Water Quality Programs Without Engineer's Certificate attached: cc: Union County Health Page 3 of 3