NC0021717_Authorization to Construct_20180712

ROY COOPER
Governor
MICHAEL S. REGAN
Secretory•
LINDA CULPEPPER
Water Resources Interim Director
ENVIRONMENTAL QUALITY
July 12, 2018
Mr. Kenneth D. Nolan
Town Manager
Town of Wilkesboro
PO Box 1056
Wilkesboro,North Carolina 28697
SUBJECT: Authorization to Construct
A to C No. 021717A03
Town of Wilkesboro
Wilkesboro WWTP
NPDES Permit No.NC0021717
Dear Mr.Nolan:
A letter of request for an Authorization to Construct was received June 26, 2018, by the
Division of Water Resources (Division), and 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 4.9 MGD Wilkesboro Wastewater Treatment Plant,
with discharge of treated wastewater into the Yadkin River in the Yadkin-Pee Dee River Basin.
This authorization results in no increase in design or permitted capacity and is awarded for
the construction of the following specific modifications:
Installation of one (1) new 100 ft diameter by 14 ft side water depth circular secondary
clarifier with piping and control; Expansion of existing sludge return pump station;
installation of one (1) new dry polymer feed pump and one (1) new liquid polymer feed
pump in the chemical building, with piping and control; 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.
NC0021717 issued effective February 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. NC0021717.
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.
State of North Carolina I Environmental Quality I Water Resources
512 N.Salisbury Street 11617 Mail service Center I Raleigh,North Carolina 27699-1617
Phone:[phone]

Mr.Kenneth Nolan,Town Manager
July 12,2018
Page 2 of 3
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 Winston-Salem Regional Office,telephone number 336-776-9800, 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.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.
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.

Mr.Kenneth Nolan,Town Manager
' July 12, 2018
Page 3 of 3
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 Bing Bai at
telephone number(919) 807-6389.
Sincerely,
Brn,...c . ----2
Linda Culpepper
Interim Director, Division of Water Resources
With Engineer's Certificate attached:
cc: DWR Winston-Salem Regional Office,Water Quality Programs
Central Files
ecopy: Frank J. M. Taracido, P.E.
Cubic Design Group, P.C.
Email: [e-mail]
NPDES File
Without Engineer's Certificate attached:
cc: Wilkes County Health

Town of Wilkesboro
Wilkesboro Wastewater Treatment Plant
Authorization to Construct No. 021717A03
Issued July 12, 2018
NPDES Permit No.NC0021717
Engineer's Certification
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 Wilkesboro Wastewater
Treatment Plant, located in Wilkes County,hereby state that,to the best of my abilities, due care
and diligence was used in the observation of the following construction:
Installation of one (1)new 100 ft diameter by 14 ft side water depth circular
secondary clarifier with piping and control; Expansion of existing sludge return
pump station; installation of one (1)new dry polymer feed pump and one (1)new
liquid polymer feed pump in the chemical building,with piping and control; 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
Mail this Certification to: Attn: Bing Bai SEAL
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh,NC 27699-1617