NC0021636_Authorization to Construct_20230823

DocuSign Envelope In BE8768CE-E74C-460A-A7AD-42A8C46D51E7
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Mr. Steve Ward
Director
Harnett Regional Water
PO Box 1119
Lillington, NC 27546
Dear Mr. Ward:
NORTH CAROLINA
Environmental Quality
August 23, 2023
SUBJECT:
Authorization to Construct
A to C No. 021636A05
Harnett Regional Water
North Harnett Regional WWTP
NPDES Permit No. NCO021636
A letter of request for an Authorization to Construct was received February 13, 2023, by
the Division of Water Resources (Division). With additional information received April 27, June
22 and August 17, 2023, 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 7.5 MGD North Harnett Regional Wastewater Treatment Plant, with discharge of
treated wastewater into Cape Fear River in the of the Cape Fear River Basin.
This authorization results in an increase in design and permitted capacity to 16.5 MGD,
and is awarded for the construction of the following specific modifications:
Installation of two (2) 18.75 MGD mechanical bar screens, one (1) 20.625 MGD vortex
grit removal system with grit washer/classifier; construction of six (6) 2.75 MG sequencing batch
reactors with twelve (12) 30 HP submersible propeller mixers, twelve (12) 387 GPM submersible
non -clog waste sludge pumps, four (4) 7,125 GPM vertical turbine flow transfer pumps and two
(2) 3,925 GPM vertical turbine flow transfer pumps and seven (7) 1,710 SCFM turbo centrifugal
blowers; five (5) 283 square feet rotating disc tertiary filters; repurposing of existing clarifiers to
two (2) 0.90 MG gravity thickening tanks with two (2) 450 GPM rotary lobe thickened sludge
pumps, and three (3) 2,376 SCFM blowers; repurposing of existing oxidation ditches to two (2)
3.9 MG aerobic digestors with fine bubble aeration, ten (10) 8.4 HP mixers, five (5) 2,530 SCFM
positive displacement blowers and two (2) 753 GPM submersible solids waste sludge pumps;
installation of two (2) 1200 GPM submersible solids return backwash pumps; Installation of two
(2) 10.31 MGD UV trains, 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.
North Carolina Department of Environmental Quality 1 Division of Water Resources
D �n 512 North Salisbury Street 11611 Mail Service Center I Raleigh, North Carolina 27699-1611
NORTH CARCLINA ^ A_ 919.707.9000

DocuSign Envelope ID: BE8768CE-E74C-460A-A7AD-42A8C46D51E7
Mr. Steve Ward, Director
August 23, 2023
Page 2 of 3
This ATC is issued in accordance with Part III, Paragraph A of NPDES Permit No.
NC0021636 issued effective September 1, 2023 and shall be subject to revocation unless the
wastewater treatment facilities are constructed in accordance with the conditions and limitations
specified in Permit No. NC0021636.
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: BE8768CE-E74C-460A-A7AD-42A8C46D51E7
Mr. Steve Ward, Director
August 23, 2023
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 Amir Adaryani at
telephone number [phone] or by email at [e-mail].
Sincerely,
IDocuSigned by:
064 V6 t.
57287E56MMOD...
for Richard E. Rogers, Jr.
Director, Division of Water Resources
by Douglas Dowden
Supervisor, Industrial NPDES Permitting Unit
With Engineer's Certificate attached:
cc: NPDES Files
ecopy: Joseph W. McGougan, PE,
MBD Consulting Engineers, P.A.
Email: [e-mail]
DWR Fayetteville Regional Office, Water Quality Programs
Without Engineer's Certificate attached:
cc: Harnett County Health
ecopy: DWI/Ali Ajami

DocuSign Envelope ID: BE8768CE-E74C-460A-A7AD-42A8C46D51E7
Harnett Regional Water
North Harnett Regional WWTP
Authorization to Construct No. 021636A05
Issued August 23, 2023
NPDES Permit No. NCO021636
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 North Harnett Regional
Wastewater Treatment Plant, located in North Harnett 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 two (2) 18.75 MGD mechanical bar screens, one (1) 20.625 MGD
vortex grit removal system with grit washer/classifier; construction of six (6) 2.75
MG sequencing batch reactors with twelve (12) 30 HP submersible propeller
mixers, twelve (12) 387 GPM submersible non -clog waste sludge pumps, four (4)
7,125 GPM vertical turbine flow transfer pumps and two (2) 3,925 GPM vertical
turbine flow transfer pumps and seven (7) 1,710 SUM turbo centrifugal blowers;
five (5) 283 square feet rotating disc tertiary filters; repurposing of existing
clarifiers to two (2) 0.90 MG gravity thickening tanks with two (2) 450 GPM
rotary lobe thickened sludge pumps, and three (3) 2,376 SUM blowers;
repurposing of existing oxidation ditches to two (2) 3.9 MG aerobic digestors
with fine bubble aeration, ten (10) 8.4 HP mixers, five (5) 2,530 SUM positive
displacement blowers and two (2) 753 GPM submersible solids waste sludge
pumps; installation of two (2) 1200 GPM submersible solids return backwash
pumps; Installation of two (2) 10.31 MGD UV trains, 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.
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
Date
Mail this Certification to: Attn: Min Xiao, PE
Registration No.
NPDES Industrial Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh, NC 27699-1617
SEAL