NC0024333_Authorization to construct_19891106

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor
William W. Cobey, Jr., Secretary
Mr. J. E. Hinkel
City of Monroe
P.O. Box 69
Monroe, N.C. 28110
Dear Mr. Hinkel:
R. Paul Wilms
Director
November 6, 1989
Subject: Permit No. NC0024333
Authorization to Construct
City of Monroe
Wastewater Treatment Facility
Union County
A letter of request for an Authorization to Construct was received October 16, 1989 by the
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 7 MGD wastewater treatment facilities including four (4) new flow splitter boxes, a new
753,984 gallon aeration basin, a new 1.15 MG aerated sludge digester, conversion of the existing
backwash tank to a 183,000 gallon aerated sludge digester and the replacement of the sludge
conveyor with dual 15 HP sludge transfer pumps with continued discharge of treated wastewater
into Richardson Creek.
This Authorization to Construct is issued in accordance with Part III paragraph B of
NPDES Permit No. NC0024333 issued June 6, 1989 and shall be subject to revocation unless the
wastewater treatment facilities are constructed in accordance with the conditions and limitations
specified in Permit No. NC0024333 .
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 Environmental
Management.
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.
The Mooresville Regional Office, phone no. [phone], 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 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 Permits and Engineering Unit,
P.O. Box 27687, Raleigh, NC 27611.
The Permittee shall employ a certified wastewater treatment plant operator to be in
responsible charge of the wastewater treatment facilities. The operator must hold a certificate of the
grade at least equivalent to the classification assigned to the wastewater treatment facilities by the
Certification Commission.
A copy of the approved plans and specifications shall be maintained on file by the Peiniittee
for the life of the facility.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6.
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 Babette McKemie, telephone number
919/733-5083.
Sincerely,
o I
- R. Paul Wilms
cc: Union County Health Department
Mooresville Regional Office
Storrow Engineering
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