NC0074900_Authorization to Construct_20200810

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
Director
Mr. Michael A. Melton
Engineering Manager
Aqua NC, Inc.
202 Mackenan Drive
Cary, North Carolina 27511
Dear Mr. Melton:
NORTH CAROLINA
Environmental Quality
August 10, 2020
SUBJECT: Authorization to Construct
A to C No. 074900A01
Aqua NC, Inc.
Highway 150 WWTP
NPDES Permit No. NC0074900
A Permit Application package for an Authorization to Construct (ATC) Permit was
received August 3, 2020, by the Division of Water Resources (Division). Additional information
was received on August 10, 2020.
This Authorization to Construct Permit is issued based solely upon the North
Carolina Licensed Professional Engineer's certification and the Applicant's certification of
the ATC Permit Application package. The Division has waived the technical review of the
plans, specifications, calculations and other supporting documentation included in the
subject ATC Permit Application package. Note that the ATC Permit Application package
may be subject to a Division audit.
This ATC results in no increase in design or permitted capacity of the existing 0.1 MGD
Highway 150 WWTP and is hereby issued for the construction of the following specific
modifications:
One (1) 0.8 MGD mechanical bar screen (Huber Microstrainer), one (1) 0.2 MGD manual
bar screen, one (1) 2-chamber splitter box with v-notch weirs, two (2) 250 GPM
submersible influent pumps; 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.
NC0074900 issued effective November 1, 2016, and shall be subject to revocation unless the
DE
NORTH CAROLINA
DepaMgnS pi Environmental Quality
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11611 Mail Service Center f Raleigh, North Carolina 27699-1611
919.707.9000

Mr. Michael A. Melton, Engineering Manager
August 10, 2020
Page 2 of 3
wastewater treatment facilities are constructed in accordance with the conditions and limitations
specified in Permit No. NC0074900.
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 Mooresville Regional Office, telephone number 704-663-1699, 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.
Page 2 of 3

Mr. Michael A. Melton, Engineering Manager
August 10, 2020
Page 3 of 3
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 Min Xiao at
telephone number [phone].
Sincerely,
S. Daniel Smith
Director, Division of Water Resources
With Engineer's Certificate attached:
cc: Central Files
NPDES File
ecopy: Harold Jensen, P.E.
Water Systems Engineering
Email: [e-mail]
DWR Mooresville Regional Office, Water Quality Programs
Without Engineer's Certificate attached:
cc: Iredell County Health
Page 3 of 3

Aqua NC, Inc.
Highway 150 WWTP
Authorization to Construct No. 074900A01
Issued August 10, 2020
NPDES Permit No. NC0074900
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 Highway 150 Wastewater
Treatment Plant, located in Iredell County, hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the following construction:
One (1) 0.8 MGD mechanical bar screen (Huber Microstrainer), one (1) 0.2 MGD
manual bar screen, one (1) 2-chamber splitter box with v-notch weirs, two (2) 250
GPM submersible influent pumps; 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: Min Xiao
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh, NC 27699-1617