WQ0005150_Authorization to Construct_20240702

DocuSign Envelope ID: 80ECEBEE-7D05-4BF5-B398-65EB42lB20B2
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Mr. John Connet, City Manager
City of Hendersonville
145 5th Ave East.
Hendersonville, NC 28792
Dear Mr. Connet,
NORTH CAROLINA
Environmental Quality
July 2, 2024
SUBJECT: Authorization to Construct
A to C No. 025543A03
City of Hendersonville
Hendersonville WWTP
NPDES Permit No. NCO025543
DWI Project NO. SRP-W-134-0060
A letter of request for an Authorization to Construct was received June 25, 2024, by the Division
of Water Resources (Division). With additional information received on July 2, 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 4.8 MGD
Hendersonville WWTP, with discharge of treated wastewater into Mud Creek in the French Broad
Basin.
This authorization results in no increase in design or permitted capacity and is awarded for
the construction of the following specific modifications:
• One (1) 766.7 dry lb./hour (dry weight) belt dryer; including a dewatered cake conveyance
equipment to feed dewatered cake, dryer feed hopper, medium -temperature direct fired belt
dryer, dried biosolids discharge auger, dried biosolids inclined screw conveyor, process
blower, air heater, condenser, condensate pump, ductwork, cooling tower, and cooling
tower pump.
• All necessary piping and controls (if applicable); in conformity with the project plans,
specifications, and other supporting documentation comprising the ATC Permit
Application package submitted to the Department of Environmental Quality.
This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No.
NCO025534 issued effective January 1, 2018 and shall be subject to revocation unless the wastewater
treatment facilities are constructed in accordance with the conditions and limitations specified in
Permit No. NC0025534.
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
��� North Carolina Department of Environmental Quality 1pivision of Water Resources
�DWF512 North Salisbury Street 11611 Mail Service Center $.aleigb, North Carolina 27699-1611
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DocuSign Envelope ID: 80ECEBEE-7D05-4BF5-B398-65EB421B20B2
Mr. John Connet, City Manager
July 2, 2024
Page 2 of 3
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 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 Asheville Regional Office, telephone number 828-296-4500, 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. The Engineer's Certification form is included with this submittal.
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.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 T I 5A: 8G.0202. All ORC site inspections
must be documented in a log to be on -site and available for review at all times.
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

DocuSign Envelope ID: 80ECEBEE-7D05-4BF5-B398-65EB421B20B2
Mr. John Connet, City Manager
July 2, 2024
Page 3 of 3
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 Ori Tuvia at telephone
number [phone] or by email at [e-mail].
Sincerely,
DOCUSignned by:
(... e—
7900A4FBFCA14FD...
by Nick Coco, PE
ARPA Supervisor
Division of Water Resources
cc: NPDES Files
Henderson County Health
e-copy: Zachary Trammel, PE, McKim & Creed, Inc.
Email: [e-mail]
DWR Asheville Regional Office, Water Quality Programs
DWI — Julia Byrd

DocuSign Envelope ID: 80ECEBEE-7D05-4BF5-B398-65EB421B20B2
City of Hendersonville
Hendersonville WWTP
Authorization to Construct No. 025534A03
Issued July 2, 2024
NPDES Permit No. NC0025534
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 Hendersonville Treatment Plant, located in Henderson County, hereby
state that, to the best of my abilities, due care and diligence was used in the observation of the following
construction of:
❑ One (1) 766.7 dry lb./hour (dry weight) belt dryer; including a dewatered cake conveyance equipment to feed
dewatered cake, dryer feed hopper, medium -temperature direct fired belt dryer, dried biosolids discharge auger,
dried biosolids inclined screw conveyor, process blower, air heater, condenser, condensate pump, ductwork,
cooling tower, and cooling tower pump.
❑ All necessary piping and controls (if applicable); 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 substantia
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
Mail this Certification to: Attn: Ori Tuvia
NPDES Branch
DEQ/DWR/Water Quality Programs ����
1617 Mail Service Center
Raleigh, NC 27699-1617