NC0025721_Authorization to Construct_20170103

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,\(�.i_O��7Z ROY COOPER
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Governor
S. JAY ZIMMERMAN
Water Resources Director
ENVIRONMENTAL QUALITY
January 3,2017
Mayor Julia M. Meacham •
Town of Weldon
109 Washington Avenue •
• Weldon,North Carolina 27890
SUBJECT: Authorization to Construct
A to C No. 025721A03
Town of Weldon
° Town of Weldon WWTP
Dear Mayor Meacham:
A letter of request for an Authorization to Construct was received November 29,2016,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 1.2 MGD Town of Weldon WWTP, with discharge
of treated wastewater into the Roanoke River in the Roanoke River Basin.
This authorization results in no increase in design or permitted capacity and is awarded for
the construction of the following specific modifications:
Replacement of the existing gas-based chlorination and dechlorination systems with liquid-
based systems consisting of two (2) enclosed double wall 140 gallon chemical tanks and
two(2)25.8 GPH 3/8 HP chemical feed pumps with manual and analog control,compatible
with sodium hypochlorite solution,piping,and other controls;two(2)enclosed double wall
140 gallon chemical tanks and two(2)25.8.GPH 3/8 HP chemical feed pumps with manual
• and analog control, compatible with calcium thiosulfate solution, piping, and other
controls; repurpose three (3) existing yard hydrants to use internal reuse water; in
conformity with the project plans, specifications, and other supporting data subsequently
filed and approved by the Department of Environmental Quality.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No.NC0025721 issued effective August 1,2012,and shall be subject to revocation
unless the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No.NC0025721.
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
State of North Carolina I Environmental Quality I Water Resources
1617 Mail service Center I Raleigh,North Carolina 27699-1617
Location:512 N.Salisbury St.Raleigh,North Carolina 27604,Archdale Building 9th Floor
Phone:[phone]/Fax:[phone]

u
Mayor Julia M.Meacham
January 3,2017
Page 2 of 3
be required by the Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Raleigh Regional Office,telephone number(919)791 -4200, 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, this Authorization to Construct and the
approved plans and specifications. Mail the Certification to: Division of Water Resources, WQ
Permitting Section—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 Tl5A:8G.0202.
A copy of the approved 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.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division in accordance with North Carolina
General Statute 143-215.6A to 143-215.6C.

Mayor Julia M.Meacham
January 3,2017
Page 3 of 3
The issuance of this Authorization to Construct 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(919) 807-6396.
Sincerely,
ROV
r ,
S. Jay mmerman
Director, Division of Water Resources
cc: W. Landon Younce, P.E.
Green Engineering, PLLC
P. O. Box 609
Wilson,NC 27893
DWR/Raleigh Regional Office, Water Quality Programs
Central Files
NPDES File
Without Engineer's Certificate attached:
Halifax County Health Department

Town of Weldon
Town of Weldon WWTP
Authorization to Construct No. 025721A03
Issued January 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 Town of Weldon Wastewater
Treatment Plant, located in Halifax County,hereby state that,to the best of my abilities, due care
and diligence was used in the observation of the following construction:
Replacement of the existing gas-based chlorination and dechlorination systems with
liquid-based systems consisting of two(2)enclosed double wall 140 gallon chemical tanks
and two (2) 25.8 GPH 3/8 HP chemical feed pumps with manual and analog control,
compatible with sodium hypochlorite solution, piping, and other controls; two (2),
enclosed double wall 140 gallon chemical tanks and two (2) 25.8 GPH 3/8 HP chemical
feed pumps with manual and analog control,compatible with calcium thiosulfate solution,
piping,and other controls;repurpose three(3)existing yard hydrants to use internal reuse
. water; in conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by 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
SEAL
Mail this Certification to:
Attn: Ron Berry
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh,NC 27699-1617
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