NC0021474_Authorization to Construct_20170803

ROY COOPER
cover nor
MICHAEL S. REGAN
Secre[arr
S. JAY ZIMMERMAN
Director
August 3, 2017
Mr. David Cheek
City Manager
City of Mebane
106 East Washington Street
Mebane, North Carolina 27302
SUBJECT: Authorization to Construct
A to C No. 021474A02
City of Mebane
Mebane WWTP
Dear Mr. Cheek:
A letter of request for an Authorization to Construct was received July 25, 2017, 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 2.5 MGD Mebane WWTP, with discharge of treated
wastewater into the Moadams Creek in the Cape Fear 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 a new 36 -inch diameter approximate 850 feet gravity sewer for the
relocation of the facility's effluent discharge beginning from the existing chlorine
contact basin to a new rip -rap area discharging to the approved location on Moadams
Creek; the existing 12 inch and 18 inch lines discharging to surface water from the
existing chlorine contact basin will be plugged; 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.
NCO021474 issued effective July 1, 2014, subsequent modification, and shall be subject to
revocation unless the wastewater treatment facilities are constructed in accordance with the
conditions and limitations specified in Permit No. NC0021474.
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 ; Water Resources
512N. Salisbury Street 11612 Mail service Center I Raleigh, North Carolina 27699-1612
Phone: [phone]

Mr. David Cheek, City Manager
August 3, 2017
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 [phone], 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. David Cheek, City Manager
August 3, 2017
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 Ron Berry at
telephone number [phone].
Sincerely,
kl� &VLI-
S. Jay Zimmerman, P.G.
Director, Division of Water Resources
With Engineer's Certificate attached:
cc: DWR Winston-Salem Regional Office, Water Quality Programs
Central Files
ecopy: Troy King, P.E.
Alley, Williams, Carmen & King, Inc.
Email: [e-mail]
NPDES File
Without Engineer's Certificate attached:
cc: Alamance County Health

City of Mebane
Mebane WWTP
Authorization to Construct No. 021474A02
Issued August 3, 2017
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 Mebane Wastewater Treatment
Plant, located in Alamance 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 a new 36 -inch diameter approximate 850 feet gravity sewer for the
relocation of the facility's effluent discharge beginning from the existing chlorine
contact basin to a new rip -rap area discharging to the approved location on
Moadams Creek; the existing 12 inch and 18 inch lines discharging to surface water
from the existing chlorine contact basin will be plugged; 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
Registration No.
Mail this Certification to: Attn: Ron Berry
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh, NC 27699-1617