NC0020486_Authorization to Construct_20110802

USDA Forest Service RECEIVED
North Mills River Recreation Area WWTP
A To C No. 020486AOI 2011
Issued June 30, 2010 �RUM GRANTS &
!LOAN SEMON
Engineer's Certification
as a dulv reeistered 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 North Mills River Recreation
WWTP, located on NCSR 1345 northwest of Mills River in Henderson County, hereby state
that, to the best of my abilities, due care and diligence was used in the observation of the
following construction:
Demolition of the existing WWTP structures and control building, and in -place
abandonment of the outfall pipe (after concrete capping), and construction of a
new North Mills River Recreation Area Wastewater Treatment Plant with a new
dual train extended aeration package wastewater treatmentplant consisting of a
manual bar screen; 7,500 gallon aerated flow equalization basin with dual
submersible 30 gpm pumps and one (1) 40 scfin blower, dual 7,500 gallon
aeration basins with coarse air diffusers; three (3) .85 scfm blowers; dual 50 ft2
secondary clarifiers with air lift RAS sludge pumps; dual 6.25 ft� tertiary filters
with 30 scfm air scour blower, a tablet chlorinator and dechlorinator;
approximately 225 linear feet of 6-inch gravity outfall pipe; a 4,500 gallon sludge
holding basin with coarse air diffusers; and associated yard piping, in conformity
with the project plan, specifications, and other supporting data subsequently filed
and approved by the Department of Environment and Natural Resources.
I certify that the constgiction of the above referenced project was observed to be built within
substantial compli and intent 9f th approved plans and specifications.
Signature✓ Registration No. ��•
Date �2-1�1�
Send to: Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633
I~ st�t+aeirriil ��..
R %,04.
it �p�,�FEss�� VIA'!
�i�•
J It r�:�A►L
'028269

/XIV
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue
Governor
Mr. Lynn Hicks, P.E.
USDA Forest Service
160 Zillicoa St., Suite A
Asheville, North Carolina 28802
Dear Mr. Hicks:
Coleen H. Sullins
Director
June 30, 2010
Dee Freeman
Secretary
SUBJECT: Authorization to Construct
A to C No. 020486A01
USDA Forest Service
North Mills River Recreation Area WWTP
WWTP Improvements
Henderson County
A letter of request for an Authorization to Construct was received March 16, 2010, 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 modifications to the existing 0.012 MGD Wastewater Treatment Plant, with
discharge of treated wastewater into the North Fork Mills River in the French Broad River Basin.
This authorization results in no increase in design or permitted capacity and is awarded
for the construction of the following specific modifications:
Demolition of the existing WWTP structures and control building, and in -place
abandonment of the outfall pipe (after concrete capping), and construction of a
new North Mills River Recreation Area Wastewater Treatment Plant with a new
dual train extended aeration package wastewater treatment plant consisting of a
manual bar screen; 7,500 gallon aerated flow equalization basin with dual
submersible 30 gpm pumps and one (1) 40 scfm blower; dual 7,500 gallon
aeration basins with coarse air diffusers; three (3) 85 scfm blowers; dual 50 ft2
secondary clarifiers with air lift RAS sludge pumps; dual 6.25 ft2 tertiary filters
with 30 scfm air scour blower; a tablet chlorinator and dechlorinator;
approximately 225 linear feet of 6-inch gravity outfall pipe; a 4,500 gallon sludge
holding basin with coarse air diffusers; and associated yard piping, in conformity
with the project plan, 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 NofthCarolina
Phone: [phone] FAX: [phone] Customer Service:1-877-623-6748 Internet: www.ncwaterquality.org Nahlrally
An Equal Opportunity 1 Affirmative Action Employer

Mr. Lynn Hicks, P.E.
June 30, 2010
Page 2
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NC0020486 issued January 9, 2006, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0020486.
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 T I 5A: 8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.

Mr. Lynn Hicks, P.E.
June 30, 2010
Page 3
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,
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 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 Seth Robertson, P.E. at telephone
number [phone].
Sincerel
7
Coleen H. Sullins
kp: sr
cc: Lynn Hicks, P.E. — USDA Forest Service, 160 Zillicoa St., Suite A,
Asheville, NC 28802
Henderson County Health Department
DWQ Asheville Regional Office, Surface Water Protection
DWQ, Technical Assistance and Certification Unit
DWQ, Point Source Branch, NPDES Program
Ken Pohlig, P.E.
ATC File No. 020486A01