NC0085359_Authorization to Construct_20010320

NPDES DOCUMENT SCANNING COVER SHEET
NPDES Permit:
NC0085839
Twelve Mile Creek WWTP
Document Type:
Permit Issuance
Wasteload Allocation
(,Authorization
to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
March 20, 2001
This documier t Jos printed on reume paper - impricare arty
content on the reirerse'side

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
A7A
NCDENR
PROFESSIONAL ENGINEER'S CERTIFICATION
FOR
CONSTRUCTION OF WASTEWATER TREATMENT FACILITIES
ATC PROJECT NUMBER: 085359ACA
Twelve Mile Creek Wastewater Treatment Plat
NPDES Permit No. NC0085359
R)ILLIti-itA
, am a duly registered Professional Engineer
(please print)
in the State of North Carolina and have been authorized to observe (circle one: periodically, weekly, full
time) the construction of the subject project for the Permittee:
Project No.: 085359ACA
Project: Twelve Mile Creek Wastewater Treatment Pia' t
Union County
1 MG Aerobic Digester
Location: on NC Highway16
West of Monroe
The project consists of:
• Installation of a 1 MG aerobic digester, along with associated blowers, piping and
modifications to the existing system.
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I hereby certify that I did regularly observe this project with due care and diligence and that the
construction was completed in substantial conformance with the Authorizatio,n to Construct and with the
approved plans and specifications.
Signature
Date 311,E i
Registration No.
• i SEAL �'-
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The Divllalon of Water Quality hereby 5341 0 1
acknowledges receipt and acceptance of `, -. m= • `4 G I N ' o ,
this: , : Certification‘.-.,°�.•..,..°'a
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Upon completion of construction and prior to operation of t e modified facility, the Permittee shall provide the
Division with a certification from a professional engineer certifying thai tiw pe, nu ied fitciii,y has been installed in
accordance with the NPDES Permit, this Authorization to Construct, and the approved plans and specifications.
The Certification should be submitted to:
NCDENR/DWQ, NPDES Unit, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
Mr. Jon Dyer, Director
Union County Department of Public Works
P.O. Box 987
Monroe, North Carolina 28111
Dear Mr. Dyer:
NCDENR
November 15, 2000
Subject: Authorization to Construct
ATC No. 085359ACA
NPDES Permit No. NC0085359
Twelve Mile Creek WWTP
Union County
The Division of Water Quality's NPDES Unit has reviewed your request for an Authorization to Construct at
the Twelve Mile Creek WWTP. The Division finds the proposed improvements to be satisfactory and hereby
grants authorization for the following:
• Installation of an 1 MG aerobic digester, along with associated blowers, piping and modifications
to the existing system.
This Authorization to Construct is issued in accordance with NPDES Permit No. NC0085359, issued April
12, 1996 and shall be subject to revocation unless the wastewater treatment facilities are constructed in
accordance with the terms and conditions of the permit. With the approved improvements the design
hydraulic capacity of the treatment system remains at 2.5 MGD.
The Permittee shall notify the Water Quality Supervisor of the Mooresville Regional Office, telephone
number [phone], at least forty-eight (48) hours prior to operation of the installed facilities, so that an
in -place inspection can be made. Notification shall be made during the normal office hours of 8:00 a.m. until
5:00 p.m., Monday through Friday.
Engineer's Certification
Upon completion of construction and prior to operation of the modified facility, the Permittee shall provide
the Division with a certification (copy enclosed) from a professional engineer registered in North Carolina
certifying that the permitted facility has been installed in accordance with the NPDES Permit, this
Authorization to Construct, and the approved plans and specifications. The Certification should be submitted
to: NCDENR / DWQ, NPDES Unit, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617.
Requirements for Certified Operator
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 Title 15A, Chapter 8G, .0200. 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
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer Internet: http://h2o.enr.state.nc.us/

Twelve Mile Creek WWTP
NPDES Permit No. NC0085359
ATC No. 085359ACA
Page 2
weekends and holidays; and must properly manage and document daily operation and maintenance of the
facility and comply with all other conditions of Title ISA, Chapter 8G, .0200.
Additional Requirements
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.
The Permittee shall maintain a copy of the approved plans and specifications on file for the life of the
facility. One (1) copy of the approved plans and specifications is enclosed for your records.
If you have any questions about this Authorization to Construct, please contact Mike Myers, at (919) 733-
5083, extension 508.
Sincerely,
Kerr T. Stevens
Director
Enclosures: Project Plans and Specifications (approved)
Engineer's Certification Form
cc: Mooresville Regional Office, Water Quality
Technical Assistance and Certification Unit
Central Files
NPDES Unit Files n
Mr. William S. Riddick, Jr., P.E. — McKim & Creed
2300 Sardis Road North, Suite A
Charlotte, North Carolina 28227