NC0069841_Authorization to Construct_20050311

NPDES DOCIMENT SCANNING COVER SHEET
NC0069841
Crooked Creek WWTP
NPDES Permit:
Document Type:
Permit Issuance
Wasteload Allocation
uthorization to Construct (AtC) f, ;
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Technical Correction
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
March 11, 2005
Mlle; document le; printed on reuBe paper - ignore any
content on the resrerme "aide

Mr. Dyer /V<<006 9t /
NC0069841
4
Signature
Engineer's Certification
I, ,�G� /..<' --�'' , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe enodically, ) the construction of
the project, Grodted Cr e84 al RP UV and /fib / '& v? /a'G() c/A for the
Project Name Location G `
Permittee hereby states that, to the best of my abilities, due care and diligence was used in the
observation of the following installations:
• Conversion of standby chlorine contact tank to accommodate UV disinfection,
• Installation of UV disinfection system,
24 lamps, 2 banks in series (2 modules per bank),
Capable of treating 1.9 MGD design flow and 6 MGD peak hourly flow,
Audio/ visual alarm along with autodialer,
• New cascade aeration following UV disinfection,
Once construction under this ATC has been completed and an Engineer's Certificate has been
submitted, the permittee is authorized to operate the treatment units listed above, with permitted limits as
specified in the !JPDES p.frinit,Assued March 13, 2000. This Authorization to Construct permit does
not change the existing\c e�igrt klipof 1.9 MGD for the Crooked Creek WRF.
J`
Date 3
Mail this Certification- to the
Registration No. 7 174 `1
NPDES Unit
DENR/DWQ
1617 Mail Service Center
Raleigh, NC 27699-1617

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
Alan W. Klimek, P.E., Director
Mr. Jon Dyer, Director
Union County Public Works
400 North Church Street
Monroe, North Carolina 28112 - 4804
Dear Mr. Dyer:
ATTilirA
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
July 10, 2003
Subject: Authorization to Construct Permit Issuance
ATC Number 069841A01
Union County - Crooked Creek WRF
NPDES Permit NC0069841
Union County
A request for an Authorization to Construct (ATC) was received by the Division and final plans
and specifications for this project have been reviewed and found to be satisfactory. Authorization is
hereby granted for improvements to Union County's Crooked Creek Water Reclamation Facility (WRF).
Specifically, this ATC allows:
• Conversion of standby chlorine contact tank to accommodate UV disinfection,
• Installation of UV disinfection system,
24 lamps, 2 banks in series (2 modules per bank),
Capable of treating 1.9 MGD design flow and 6 MGD peak hourly flow,
Audio/ visual alarm along with autodialer,
• New cascade aeration following UV disinfection,
Once construction under this ATC has been completed and an Engineer's Certificate has been
submitted, the permittee is authorized to operate the treatment units listed above, with permitted limits as
specified in the NPDES permit issued March 13, 2000. This Authorization to Construct permit does
not change the existing design flow of 1.9 MGD for the Crooked Creek WRF.
This Authorization to Construct is issued in accordance with NPDES Permit No. NC0069841
issued March 13, 2000, and shall be subject to revocation unless the wastewater treatment facilities
are constructed in accordance with the conditions and limitations specified in the permit.
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 North Carolina Division of Water Quality.
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
this Division, such as the construction of additional or replacement wastewater treatment or disposal
facilities.
161 7 MAIL SERVICE CENTER, RALEIGH, NORTH CAROLINA 27699-1617 - TELEPHONE [phone]/FAX [phone]
AN EQUAL OPPORTUNITY AFFIRMATIVE ACTION EMPLOYER - 50% RECYCLED/ 1 O% POST -CONSUMER PAPER
VISIT US ON THE WEB AT http://h2o.enr.state.nc.us/NPDES

Mr. Dyer
NC0069841
2
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 in -place
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 classification of the facility by the Certification Commission, the Permittee shall employ a
certified water pollution control treatment system operator to be in responsible charge (ORC) of the
water pollution control treatment system. The operator must hold a certificate of the type and grade at
least equivalent to or greater than the classification assigned to the water pollution control treatment
system 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 Title 15A, Chapter 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, and must properly manage and document daily
operation and maintenance of the facility and must comply with all other conditions outlined in Title
15A, Chapter 8G, .0204. Once the facility is classified, the Permittee must submit a letter to the
Certification Commission which designates the operator in responsible charge within: (A) Sixty
calendar days prior to wastewater being introduced into a new system or (B) within 120 calendar days
of the following, (i) after receiving notification of a change in the classification of the system requiring
the designation of a new ORC and back-up ORC or (ii) a vacancy in the position of ORC or back-up
ORC.
A copy of the approved plans and specifications shall be maintained on file by the Permittee for
the life of the facility.
The Operational Agreement between the Permittee and the Environmental Management
Commission is incorporated herein by reference and is a condition of this Permit. Noncompliance with
the terms of the Operational Agreement shall subject the Permittee to all sanctions provided by G. S.
143-215.6 for violation of or failure to act in accordance with the terms and.conditions of this Permit.
Failure to abide by the requirements contained in this Authorization to Construct may subject
the Permittee to an enforcement action by the Division of Water Quality 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.
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 the NPDES Unit, Division of Water Quality, 1617 Mail Service
Center, Raleigh, NC 27699-1617.

Mr. Dyer
NC0069841
3
One (1) set of approved plans and specifications is being forwarded to you. If you have any
questions or need additional information, please contact Ms. Susan A. Wilson, P.E., telephone number
[phone], extension 510.
Sincerely,
4lan W. Klimek, P.E.
cc: Central Files
NPDES Unit, Permit File
Mooresville Regional Office, Water Quality
Technical Assistance and Certification
Mr. H. Keith Proffit, P.E. Black & Veatch
8520 Cliff Cameron Drive
Charlotte, North Carolina 28269-0019

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