NC0087891_Authorization to Construct_20110617

PR•
HCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
June 17, 2011
Mr. Nathan Bennett, County Manager
East Yancey Water & Sewer District
Room 11, Courthouse
Burnsville, North Carolina 28741
SUBJECT: Authorization to Construct
A to C No. 087891A01
East Yancey Water & Sewer District
South Toe River Wastewater Treatment Plant
Yancey County
Project No. E-SRG-T-05-0141
Dear Mr. Bennett:
A letter of request for an Authorization to Construct was received November 3, 2008, by
the Division of Water Quality (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 new 0.125 MGD South Toe River Wastewater Treatment Plant, with
discharge of treated wastewater into the South Toe River in the French Broad River Basin.
This authorization results in the design and permitted capacity of 0.125 MGD, and is
awarded for the construction of the following:
A headworks structure including a cylindrical (mechanical) bar screen rated at 0.464 mgd
peak flow and a manual by-pass bar screen; dual sequencing batch reactors (SBR), each
reactor sized at 0.115 MG with 5 Hp floating mixer, decanter, fine -bubble diffusers and
dual 50 gpm sludge pumps; a 0.026 MG post equalization tank with three (3) 87 gpm
pumps and coarse -bubble diffusers; three (3) 273 cfm blowers and one (1) 81 scm
blower; dual effluent disk filters, each rated at 0.3125 mgd peak flow; dual bank
ultraviolet disinfection system, with each bank rated at 0.3125 mgd peak flow; effluent
flowmeter and composite sampling station; a return plant drain pump station consisting of
dual 80 gpm pumps; a 0.063 MG aerobic digester/holding tank with decanter, coarse
bubble diffusers and 200 gpm sludge transfer pump; a 668 ft2 Laboratory building; 150
kW backup emergency generator with automatic transfer switch; plant SCADA system;
and associated site work, electrical work, and yard piping, in conformity with the project
plans, specifications, and other supporting data subsequently filed and approved by the
Department of Environment and Natural Resources.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 One
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 OCarolina
Phone: [phone] FAX: [phone] Customer Service:1-877.623-6748
Internet: www.ncwaterquality.org Na&Aally
An Equal Opportunity 1 Affirmative Action Employer

Mr. Nathan Bennett, County Manager
June 17, 2011
Page 2
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NCO087891 issued April 13, 2005, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0087891.
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 Division.
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 the 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 on site
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: Construction Grants & Loans,
DWQ/DENR, 1633 Mail Service Center, Raleigh, NC 27699-1633.
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 T15A: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, must properly manage the facility, must document daily operation and
maintenance of the facility, and must comply with all other conditions of T15A:8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.
During the construction of the proposed additions/modifications, the permittee shall
continue to properly maintain and operate the existing wastewater treatment facilities at all times,

Mr. Nathan Bennett, County Manager
June 17, 2011
Page 3
and in such a manner, as necessary to comply with the effluent limits specified in the NPDES
Permit.
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.
Prior to entering into any contract(s) for construction, the recipient must have obtained all
applicable permits from the State.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division 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 Penmittee 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 Seth Robertson, P.E. at telephone
number [phone].
Sincerely,
,,,6Coleen H. Sullins
kp:sr
cc: Randall D. Hintz, P.E. — McGill Associates, P.A., 55 Broad Street, Asheville, NC 28801
Yancey County Health Department
DWQ, Asheville Regional Office, Surface Water Protection
DWQ, Technical Assistance and Certification Unit
DWQ, Point Source Branch, NPDES Program
Daniel Blaisdell, P.E.
Ken Pohlig, P.E.
SRG File

no
East Yancey Water & Sewer District
A To C No. 087891A01
Project No. E-SRG-T-05-0141
Issued June 17, 2011
Engineer's Certification
I, , as a duly registered Professional Engineer in
the State of North Carolina, having been authorized to observe (periodically/weekly/full time)
the construction of the modifications and improvements to the South Toe River WWTP, located
on Wyatt Town Road in Yancey County for the East Yancey Water & Sewer District, hereby
state that, to the best of my abilities, due care and diligence was used in the observation of the
following construction:
A headworks structure including a cylindrical (mechanical) bar screen rated at 0.464 mgd
peak flow and a manual by-pass bar screen; dual sequencing batch reactors (SBR), each
reactor sized at 0.115 MG with 5 Hp floating mixer, decanter, fine -bubble diffusers and
dual 50 gpm sludge pumps; a 0.026 MG post equalization tank with three (3) 87 gpm
pumps and coarse -bubble diffusers; three (3) 273 cfin blowers and one (1) 81 scm
blower; dual effluent disk filters, each rated at 0.3125 mgd peak flow; dual bank
ultraviolet disinfection system, with each bank rated at 0.3125 mgd peak flow; effluent
flowmeter and composite sampling station; a return plant drain pump station consisting of
dual 80 gpm pumps; a 0.063 MG aerobic digester/holding tank with decanter, coarse
bubble diffusers and 200 gpm sludge transfer pump; a 668 ft2 Laboratory building; 150
kW backup emergency generator with automatic transfer switch; plant SCADA system;
and associated site work, electrical work, and yard piping, in conformity with the project
plans, specifications, and other supporting data subsequently filed and approved by the
Department of Environment and Natural Resources.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance and intent of the approved plans and specifications.
We understand that the new limits associated with this new 0.125 MGD WWTP now apply.
Signature
Date
Registration No.
Send to: Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633