NC0023981_authorization to construct_19950407

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State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
Mr. T. S. Childers
City of Lenoir
Post Office Box 958
Lenoir, North Carolina 28645
Dear Mr. Childers:
A7A
EDEHNF
April 7, 1995
Subject: Permit No. NC0023981
Authorization to Construct
City of Lenoir
Lower Creek WWTP
Caldwell County
A letter of request for an Authorization to Construct was received September 27, 1995 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 the following modifications to the
existing Lower Creek wastewater treatment facility: rehabilitation of the existing bar screen and grit
chamber including of replacement of various ferrous components with non-ferrous components, etc.;
reduction in the chlorine contact basin weir height to provide 30 minutes contact time at an average daily
flow of 4.08 MGD; the addition of a dechlorination system; raising the clarifier weirs and raising the
clarifier side water depth to provide better solids settling and reduce solids carry over in the effluent; and
the addition of a lime feed system to provide influent pH adjustment for better ammonia -nitrogen removal.
This Authorization to Construct is issued in accordance with Part III, Paragraph C of NPDES
Permit No. NC0023981 issued December 4, 1992, and shall be subject to revocation unless the
wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in
Permit No. NC0023981.
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 Asheville 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 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.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

Permit No. NC0023981
Authorization to Construct
City of Lenoir
April 7, 1995
Page 2
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 29535, Raleigh, NC
27626-0535.
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 Title 15A, Chapter 8A, .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
mustproperly manage and document daily operation and maintenance of the facility and must comply with
all other conditions of Title 15A, Chapter 8A, .0202.
A copy of the approved plans and specifications shall be maintained on file by the Permittee 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 143-215.6A 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 Dana Bolden, telephone number 919/733-5083,
extension 518.
r
cc: Caldwell County Health Department
Asheville Regional Office, Water Quality
Training and Certification Unit
Danny B. Bridges, P.E., McGill Associates, P.A.
Sincerely,
IC -Presto ard, Jr., P.