NC0020559_AUTHORIZATION TO CONSTRUCT_20120123

MPDES DOCUNUMT SCAMMIMS COVER SHEET
NPDES Permit:
NC0020559
Henderson WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct
AtC)
Permit Modification
Complete File - Historical
Speculative Limits
Instream Assessment (67b)
Environmental Assessment (EA)
Permit
History
Document Date:
January 23, 2012
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City of Henderson
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A To C No. 020559AOI
Issued June 1, 2009 JAR! 2
Engineer's Certification
1, �41� as a duly >istered Professional Engiv= in
the state of North Carolina, having been authorised to observe (periodically/weekly/full time)
the construction of the modifications and improvements to the Henderson WRF, located on West
Andrews Avenue in Vance County for the City -of Henderson, eT state &-Oo the Est of my
abilities, due care and diligence was used in the observation of the following construction:
Insta][ladon of a new W disinfection system with two (2) banes (each capable of
treating a peak flow of 12-5 MQD), one precast manhole, approximately 120 LF
of 36-inch effluent gravity fine and a new pmeast concrete effluent headwall in
conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by the Department of Environtnent and Natural.
Resources.
I certify that the
substantial coma
Signature
Date l ` c. 3 ~ i,;Z,
ie above referenced project was observed to be built within
of the approved plans and specifications.
Registration No. Z ,Oq
I Cq
Send to: Constriction Grants dt Loans : �'• 40� 5��0 ���
D1r,NR/DWQ
1633 Mail Service Center r S R L r•
9480
Raleigh, NC 27699-1633

NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
June 1, 2009
Mr. Tom Spain
City of Henderson
PO Box 1434
Henderson, North Carolina 27536
SUBJECT: Authorization to Construct
A to C No. 020559AOI
City of Henderson
Henderson WRF
Replacement of UV System
Vance County
Dear Mr. Spain:
A letter of request for an Authorization to Construct was received May 14, 2009, by the
Division of Water Quality (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 4.14 MGD Wastewater Treatment Plant, with
discharge of treated wastewater into the Nutbush Creek 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:
Installation of a new UV disinfection system with two (2) banks (each capable of
treating a peak flow of 12.5 MGD), one precast manhole, approximately 120 LF
of 36-inch effluent gravity line and a new precast concrete effluent headwall in
conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural
Resources.
This Authorization to Construct is issued in accordance with Part 1I1, Paragraph A of
NPDES Permit No. NCO020559 issued August 15, 2007, and shall be subject to revocation
unless the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0020559.
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.
1617 Mail service Center, Ralegh, North Carolina 27699-1617 One
Location: 512 N. Salisbury St. Ralegh, North Carolina 27604 NorthCarol ina
Phone: [phone] l FAX: [phone] Customer Service: 1-877-623-6748 Naturally
I ntemeL www,ncwaterquaiity.org An Equal opportunity 1 Affirmative Action Employer

Mr. Tom Spain
June 1, 2009
Page 2
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 Raleigh 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, this Authorization to Constructfand the
approved plans and specifications. Mail the Certification to: Construction Grants & Loans,
DWQIDENR, 1633 Mail Service Center, Raleigh, NC 27699-1633.
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 Tl 5A:8G.0202. The ORC of the facility must visit each
Class I facility at least weekly and each Class 11, 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 TI5A: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.

Mr. Tom Spain
June 1, 2009
Page 3
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.
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.
One (1) set of approved plans and specifications is being forwarded to you. if you have
any questions or need additional information, please contact Seth Robertson, P.E. at telephone
number [phone].
Sincerel ,
/—Coleen H. Sullins
cc: Steve Scruggs, P.E., Earth Tech of NC, Inc., 701 Corporate Dr. Suite 475, Raleigh NC 27607
Vance County Health Department
DWQ Raleigh Regional Office, Surface Water Protection
Technical Assistance and Certification Unit
Point Source Branch, NPDES Program
Michelle McKay
ATC File