NC0069841_authorization to construct_19890210

State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor February 10, 1989
R. Paul Wilms
William W. Cobey, Jr., Secretary Director
Mr. John C. Munn, County Manager
County of Union
P. 0. Box 218
Monroe, North Carolina 28110
SUBJECT: Union County
Crooked Creek
Permit No. NC0069841
Authorization to Construct
Wastewater Treatment Facilities
EPA Project No. C370379-08
Union County
Dear Mr. Munn:
The final plans and specifications for the subject project have been
reviewed and found to be satisfactory.
Authorization is hereby granted for the construction of a new 0.65 MGD
wastewater treatment facility to consist of an influent pump station with
three (3) 600 GPM submersible pumps, soil type odor control equipment and
controls; approximately 1,300 lineal feet of 10-inch force main, manual bar
screen, dual oxidation ditches each with a volume of 487,500 gallons and
dual 40 horsepower rotors; dual 38 foot diameter secondary clarifiers,
tertiary sand filters with dual cells having a total filter surface area of
480 square feet, chlorination equipment, a 13,500 gallon chlorine contact
basin, chemical (S02) dechlorination equipment, an effluent flow meter,
a cascade postaeration device, a 200,000 gallon aerobic sludge digester with
a 30 horsepower floating aerator, a sludge transfer station with dual 200
GPM progressive cavity pumps and polymer feed equipment, 22,320 square feet
of conventional sludge drying beds, a septage dump station with a 2,000
gallon septage holding tank, a lime feed station, associated yard pipe, site
work and electrical work.
Do not proceed with construction until the Authorization -to -Award
package, EEO, and MBE documentation/certification have been reviewed, and
you are in receipt of our approval, if Federal funding is desired for
project construction.
The permittee shall employ an actively State certified wastewater
treatment plant operator to be in responsible charge of the wastewater
treatment facilities. Such operator must hold a valid State Certificate of
the grade at least equivalent to the classification assigned to the
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]

- 2 -
wastewater treatment facilities by the Certification Commission. When a new
chief operator must be obtained to be in responsible charge of the new
facilities, it is required that this be done by the time the construction of
the facilities is 50% complete.
The Authorization -to -Construct is issued in accordance with Part =II,
Paragraph C of NPDES Permit No. NC0069841, issued July 16, 1987 and shall
be subject to revocation unless the wastewater treatment facilities are
constructed in accordance with the approved plans, specifications, and
supporting documents; and are in compliance with the conditions and
limitations specified in Permit No. NC0069841.
The permittee shall have an.acceptable sludge analysis and a sludge
E.P. toxicity analysis which have been approved by the Division of Health
Services, Solid Waste Management Branch prior to the disposal of any sludge
from the new wastewater treatment plant. Copies of the analyses, supporting
documents, and approvals shall be submitted to the Division of Environmental
Management's Water Quality Section and the Mooresville Regional Office.
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.
The disposing, selling or free distribution of wet, dried, composted
sludge or sludge -like materials from wastewater facilities without prior
review and approval by this Division is illegal.
One (1) set of final approved plans and specifications is to be
forwarded to you, one (1) set to the Environmental Protection Agency (EPA),
and one (1) set to the Corps of Engineers.
If you have any questions or need additional information, please
contact Mr. BilI Hoffman, at [phone].
Sincerely,
R. Paul Wilms
CGM:vk
cc: HDR, Inc.
Mr. Arthur Mouberry
CE - Charlotte
EPA
Mr. Bobby Blowe
Mr. Don Evans
Ms. Brenda Chesson
Mr. Cecil G. Madden, Jr.
Mr. Jo n Campbell
EMU GPF