NC0027103_Authorization to Construct_20210917

September 17, 2021

Tyler Thomas, Town Manager
Town of Pembroke
98 Union Chapel Road
Pembroke, NC 28372

SUBJECT: Authorization to Construct
A to C No. 027103A02
Town of Pembroke
Pembroke WWTP
NPDES Permit No. NC0027103

Dear Mr. Thomas:

A letter of request for an Authorization to Construct was received June 2, 2021, by the
Division of Water Resources (Division). With additional information received on August 11, 2021,
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
Pembroke WWTP, with discharge of treated wastewater into the Lumber River in the Lumber
River Basin.

This authorization results in no increase in design or permitted capacity and is awarded for
the construction of the following specific modifications:

Demolition of the existing headworks and replacement with one (1) 5 MGD mechanical
bar screen, one (1) 5 MGD bypass manual bar screen; installation of approximately 90 LF of 16”
DIP force main and 12” Parshall flume from the influent pump station to the new headworks;
installation of one (1) 5 MGD aerated grit chamber with one (1) 50 SCFM positive displacement
blower, one (1) 250 GPM self-priming grit pump, one (1) 250 GPM grit cyclone/classifier, and
one (1) 50 GPM at 10’ TDH grinder pump for fats, oils, and grease ; replacement of four (4) 30
HP cage rotor aerator assemblies in the existing oxidation ditches; demolition of the existing
chemical building and replacement with a chemical building to include one (1) 1,000-gallon bulk
storage tank, two (2) solenoid metering pumps with 6.75 GPH capacity, and 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.
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Mr. Tyler Thomas, Town Manager September 17, 2021 Page 2 of 3

This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No.
NC0027103 issued effective August 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. NC0027103.

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 Fayetteville Regional Office, telephone number 910-433-3300, 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 facilities 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.

DocuSign Envelope ID: 827C140F-96B7-4D9C-A690-747A95E1DE98
Mr. Tyler Thomas, Town Manager September 17, 2021 Page 3 of 3

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.

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 Julia Byrd at
telephone number [phone] or via email at [e-mail].

Sincerely,

for S. Daniel Smith
Director, Division of Water Resources

by Min Xiao, PE
NPDES Industrial Permitting Unit

With Engineer’s Certificate attached:
cc: NPDES Files
ecopy: David Bennett, PE
The Wooten Company.
Email: [e-mail]
DWR Fayetteville Regional Office, Water Quality Programs

Without Engineer’s Certificate attached:
cc: Robeson County Health
ecopy: DWI/Trupti Desai, PE
DocuSign Envelope ID: 827C140F-96B7-4D9C-A690-747A95E1DE98