NC0065684_Authorization to Construct_19940321

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
March 21, 1994
Mr. Carroll Weber
Mid South Water Systems, Incorporated
P.O. Box 127
Sherrills Ford, NC 28673
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Subject: Permit No. NCO065684
Authorization to Construct
Mid South Water Systems
Country Woods Subdivision
Wastewater Treatment Facility
Union County
Dear Mr. Weber.
A letter of request for an Authorization to Construct was received November 2, 1993 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 and operation of a 100,000 gpd
expansion for a total wastewater treatment capacity of 190,000 gpd. The expansion consists of a 6.0 sf
bar screen, 34,200 gpd flow equalization basin with 110 cfm blower and dual 198 gpm pumps, flow
control chamber with weirs to split flow three ways - 90,000 gpd to the existing plant area, (2) 50,000 gpd
outlets to the two proposed plants, 100,000 gallon aeration basin with four 200 cfm blowers, 2 dual
hopper type clarifiers each 12 feet x 24 feet, four 3 inch sludge return airlifts, four 2 inch diameter scum
removal airlifts, two 7686 gallon sludge holding tanks, two 1250 gallon chlorine contact tanks with tablet
chlorination, 10,000 gallon clear well with two 990 gpm backwash pumps, two tertiary filters each with a
surface area of 66 sf, a 100 cfm blow, a 10,080 gallon mudwell with dual 50 gpm pumps, a 2064 gallon
post aeration chamber with 4 tablet dechlorinators, standby generator, and all the associated valves,
piping, and appurtenances with discharge of treated wastewater into Goose Creek which is classified C
waters. This Authorization to Construct for the addition of a 100,000 gpd expansion is issued in lieu of
the Authorization to Construct issued July 16, 1990 for an addition of 120,000 gpd to the exisgng
treatment works which is hereby rescinded. Upon the renewal of the NPDES permit in October 1994,4he
flow limit will be changed from 0.21 MGD for the second phase of flow to 0.19 MGD to rr0ect-this
Authorization to Construct.
N
This Authorization to Construct is issued in accordance with Part III, Paragraph A df NPDES
Permit No. NCO065684 issued July 22, 1991, and shall be subject to revocation unless the wastewater
treatment facilities are constructed in accordance with the conditions and limitations specified in hermit -Ado.
NC0065684. m
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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.
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. NCO065684
Authorization to Construct
Mid South Water Systems
Country Woods Subdivision
March 21,1994
Page 2
The Mooresville 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.
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 H, III, and IV facility at least daily, excluding weekends and holidays, and
must properly manage and document daily operation and maintenance of the facility and must comply with
all other conditions of Title 15A, Chapter 8A, .0202. Once the facility is classified, the Permittee must
submit a letter to the Certification Commission which designates the operator in responsible charge within
thirty days after the wastewater treatment facilities are 50% complete.
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 governmgnt
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 Susan A. Wilson, telephone numberrl9/73�-
5083. 3
>
Sincerely,
I,ko . Presto ard, Jr., P.E.
cc: Union County Health Department
Mooresville Regional Office, Water Quality
1 Training and Certification Unit