NC0026646_Application (ATC)_20241018

Docusign Envelope ID A98017EB-CBDF-4DA6-A110-BE695E9490B5
ROY COOPER t
Governor
.. n
MARY PENNY KELLLY 5
Secrete
RICHARD E.ROGERS,JR. "" .
Director NORTH CAROLINA
Environmental Quality
lity
October 18,2024
Mr. Michael Boaz, Town Manager
Town of Pilot Mountain
124 W. Main St., Box 1
Pilot Mountain,North Carolina 27041
SUBJECT: Authorization to Construct
A to C No. 026646A02
Town of Pilot Mountain
Pilot Mountain WWTP
NPDES Permit No.NC0026646
DWI project: VUR-W-ARP-0077
Dear Mr. Boaz:
A letter of request for an Authorization to Construct was received April 3, 2024, by the
Division of Water Resources(Division). With additional information received on October 16,
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
1.5 MGD,Pilot Mountain WWTP,with discharge of treated wastewater into the Ararat 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:
• One(1) 3.75 MGD element mechanical bar screen, one(1)3.75 MGD manual bar
screen.
• Upgrades to one (1) 1,559,700 gallons orbal style 3-ring oxidation ditch.
• Conversation of the existing gas dechlorination to liquid dechlorination, including
replacement of two (2) 17.4 GPH @ 60 Psi peristaltic metering pumps for chlorination,
and replacement of two (2)4.76 GPH @ 60 psi peristaltic metering pumps for
dechlorination.
• four(4) 15HP Submersible self-aspirating sludge storage aerator mixers.
• Two(2)2,600 GPM @ 200 ft TDH vertical turbine effluent pump station pumps.
• All necessary piping, electrical work 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.
D_E North CarolinaDepartment of Environmental Quality I DiaisIDrt of Water Resources
512 North Salisbury Street 1611 Mail Ser>rice Cater I RaleiOI,Ncath Carolina 27699-1611 11:17
NORTH CAROLINA 919.707 9000
Department of Emkmrnemel Dw�

Docusign Envelope.ID:1Y11V11(lVl A98017EB-CBDF-4DA6-A110E695E9490B5
1V11 LV4L, 1 VYY111F1{411Y-Br.,V1
October 18,2024
Page 2 of 4
This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No.
NC0026646 issued effective December 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.NC0026646.
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
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 Winston Salem Regional Office,telephone number(336) 776-9700, 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 T15A: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.

Docusign Envelope ID:A98017EB-CBDF-4DA6-A110-BE695E9490B5
lYll.AYl/Ml1L S 1JU 1.L., 1 V WV II 1v1,411{L6\rl
October 18,2024
Page 3 of 4
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 Ori Tuvia at
telephone number(704)235-2190 or by email at [e-mail].
Sincerely,
-�`L��ASi�gInedd by: I h n
306B09556D4140D...
Michael J. Montebello,NPDES Permitting Branch Chief
Division of Water Resources
cc: NPDES Files
Surry County Health
e-copy: Noah Green,PE, McGill Associates P.A.
Email: [e-mail]
DWR Winston Salem. Regional Office, Water Quality Programs
DWI/Karin Britt

Docusign Envelope ID:A98017EB-CBDF-4DA6-A110-BE695E9490B5
Town of Pilot Mountain
Pilot Mountain WWTP
Authorization to Construct No. 026646A02
October 18,2024
NPDES Permit No.NC0026646
DWI project: VUR-W-ARP-0077
Engineer's Certification
❑ Final Engineering Certification / 0 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 Town of Pilot Mountain Wastewater
Treatment Plant, located in Surry County, hereby state that,to the best of my abilities, due care and
diligence was used in the observation of the following construction of:
El One(1) 3.75 MGD element mechanical bar screen, one (1)3.75 MGD manual bar screen.
❑ Upgrades to one (1) 1,559,700 gallons orbal style 3-ring oxidation ditch.
❑ Conversation of the existing gas dechlorination to liquid dechlorination, including replacement of two
(2) 17.4 GPH @ 60 Psi peristaltic metering pumps for chlorination, and replacement of two (2)4.76
GPH @ 60 psi peristaltic metering pumps for dechlorination.
❑ Four(4) 15HP Submersible self-aspirating sludge storage aerator mixers.
❑ Two (2)2,600 GPM @ 200 ft TDH vertical turbine effluent pump station pumps.
❑ All necessary piping, electrical work 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 Industrial Permitting Unit
DEQ/DWR/Water Quality Programs SAIL
1617 Mail Service Center
Raleigh,NC 27699-1617