WQ0003741_Final Permit_19900824

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street - Raleigh, North Carolina 27611
James G. Martin, Governor
William W. Cobey, Jr., Secretary
George T. Everett, Ph.D,
Director
August 24, 1990
Dr. Don Williams
Superintendent of Iredell County Schools
P. O. Box 709
Statesville, NC 28677
Subject: Permit No. WQ0003741
North Iredell Middle School
Pressure feed -Gravity Nitrification
Subsurface Disposal System
Iredell County
Dear Dr. Williams:
In accordance with your application received June 21, 1990, we are forwarding herewith
Permit No. WQ0003741, dated August 24, 1990, to Iredell County Schools for the construction
and operation of the subject non -discharge wastewater disposal facility.
This permit shall be effective from the date of issuance until July 31, 1995, and shall be
subject to the conditions and limitations as specified therein. Please pay particular attention to the
monitoring requirements and the general conditions (VI) in this permit. Failure to establish an
adequate system for collecting and maintaining the required operational information will result in
future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable to you,
you have the right to request an adjudicatory hearing upon written request within 30 days
following receipt of this permit. This request must be in the form of a written petition, conforming
to Chapter 150B of North Carolina General Statutes, and filed with the Office of Administrative
Hearings, P.O. Box 11666, Raleigh, NC 27604. Unless such demands are made this permit shall
be final and binding.
One set of approved plans and specifications is being forwarded to you. If you need
additional information concerning this matter, pleasP contact Mr. -Dana Bolden at 919/ 733-5083.
Sincerely,
�a
cc: Iredell County Health Department -George T. E
Mooresville Regional Office
David A. Roberts, P.E.
Training and Certification
Groundwater Section

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
SUBSURFACE DISPOSAL SYSTEM PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North
Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
IREDELL COUNTY SCHOOLS
fredell County
construction and operation of a 6,750 GPD pressure feed - gravity nitrification subsurface
wastewater disposal system consisting of a 1500 gallon grease trap, a 8,000 gallon septic tank, a
8,000 gallon pump tank with duplex 135 GPM pumps, high water alarms, tinned dosing controller
to provide equal dosing to each field, and 2 manifolds with 5,720 linear feet of 4 - inch drain
lines to serve North Iredell Middle School with no discharge of wastes to the surface waters,
pursuant to the application received June 21, 1990 and in conformity with the project plan,
specifications, and other supporting data subsequently filed and approved by the Department of
Environment, Health and Natural Resources and considered a part of this permit.
This permit shall be effective from the date of issuance until July 31, 1995, and shall be
subject to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
l . 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 this permit, the approved
plans and specifications. Mail the certification to the Permits and Engineering Unit,
P.O. Box 27687, Raleigh, NC 27611-7687.
2. The Mooresville Regional Office, phone no. [phone], shall be notified at
least forty-eight (48) hours in advance of backfilling 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.
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 construction of additional or
replacement wastewater treatment or disposal facilities.

4. The issuance of this permit shall not relieve the Permittee of the responsibility for
damages to surface or groundwaters resulting from the operation of this facility.
5. This permit shall bccome voidable if the soils fail to adequately absorb the wastes
and may be rescinded unless the facilities are installed, maintained, and operated in a
manner which will protect the assigned water quality standards of the surface waters
and ground waters.
6. Adequate measures shall be taken to divert stormwater from the disposal area and
prevent wastewater runoff from the subsurface disposal field.
7. The sludge generated from these treatment facilities must be disposed of in
accordance with General Statute 143-215.1 and in a manner approved by the North
Carolina Division of Environmental Management.
A usable reserve area shall be maintained for wastewater disposal. The reserve area
shall have the capability of accommodating the average daily flow of the facility
being served without exceeding the loading rates of the reserve area while meeting all
required buffer requirements.
9. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
10. The following buffers shall be maintained:
a) 100 feet between disposal area and any public or private water supply including
wells
b) 1.00 feet between disposal area and "SA and SB" classified surface waters
c) 50 feet between disposal area and any stream, lake, river or natural drainageway
d) 50 feet between disposal area and property lines
e) 10 feet between disposal area and surface water interceptor drains or
diversions (upslope)
f) 25 feet between disposal area and surface water interceptor drains or diversions
(downslope) and groundwater drainage systems.
11. A leakage test shall be performed on the septic tank and dosing tank to insure that
any exfiltration occurs at a rate which does not exceed twenty (20) gallons per
twenty-four (24) hour per 1,000 gallons of tank capacity. The engineer's
certification will serve as proof of compliance with this condition.
12. Nitrification trenches shall be placed no less than three (3) times the trench width on
centers.
II. -OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times.
2. The Permittee shall employ a certified wastewater treatment plant operator to be in
responsible charge of the wastewater treatment facilities. The operator must hold a
certificate of the grade at least equivalent to the classification assigned to the
wastewater treatment facilities by the Certification Commission. Within thirty days
after the wastewater treatment facilities are 50% complete, the Permittee must submit
a letter to the Certification Commission which designates the operator in responsible
charge.
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3. The application rates to the disposal field shall not exceed 0.4 GPD per square foot.
4. The facilities shall be effectively maintained and operated as a non -discharge system
to prevent the discharge of any wastewater resulting from the operation of this
facility.
5. No traffic or equipment shall be allowed on the disposal area except while
installation occurs or while normal maintenance is being performed.
6. A suitable cover shall be maintained on the field(s) and the field(s) shall be kept
mowed. The clippings shall be removed to prevent the build up of thatch.
III. MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring deemed necessary by the Division of Environmental Management to
insure surface and ground water protection will be established and an acceptable
sampling reporting schedule shall be followed.
2. Adequate records showing all maintenance shall be maintained by the Permittee.
These records should include but are not limited to the following:
kms,
Inspection Frequency
a) Individual dosing pump operation Weekly
b) Individual field rotation Weekly
c) High water alarms Weekly
3. A record shall be maintained of all sludge removed from this facility. This record
shall include the name of the hauler, permit authorizing the disposal or a letter from a
municipality agreeing to accept the sludge, date the sludge was hauled, and volume
of sludge removed.
4. Noncompliance Notification:
The Permittee shall report by telephone to the Mooresville Regional Office,
telephone no. [phone], as soon as possible, but in no case more than 24
hours or on the next working day following the occurrence or first knowledge of the
occurrence of any of the following:
Any occurrence at the wastewater treatment facility which results in the
treatment of significant amounts of wastes which are abnormal in quantity or
characteristic, such as the dumping of the contents of a basin or tank; the known
passage of a slug of hazardous substance through the facility; or any other
unusual circumstances.
b. Any process unit failure, due to known or unknown reasons, that render the
facility incapable of adequate wastewater treatment such as mechanical or
electrical failures of pumps, aerators, compressors, etc.
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a
by-pass directly to receiving waters without treatment of all or any portion of
the influent to such station or facility.
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d. Any time that self-monitoring information indicates that the facility has gone out
of compliance with its permit limitations.
Nrsoas reporting such occurrences by telephone shall also file a written report in
letter form within 15 days following first knowledge of the occurrence. This report
must outline the actions taken or proposed to be taken to ensure that the problem
does not reoccur.
IV. QRQSINDWATER REQUIREMENTS
1. Any additional groundwater quality monitoring, as deemed necessary by the
Division, shall be provided.
V. INSPECTIONS
1. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to
insure proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal
facilities to prevent malfunctions and deterioration, operator errors and discharges
which may cause or lead to the release of wastes to the environment, a threat to
human health, or a nuisance. The Permittee shall beep an inspection log or summary
including at least the date and time of inspection, observations made, and any
maintenance; repairs, or corrective actions taken by the Permittee. This log of
inspections shall be maintained by the Permittee for a period of three years from the
date of the inspection and shall be made available upon request to the Division of
Environmental Management or other permitting authority.
3. Any duly authorized officer, employee, or representative of the Division of
Environmental Management may, upon presentation of credentials, enter and inspect
any property, premises or place on or related to the disposal site and facility at any
reasonable time for the purpose of determining compliance with this permit; may
inspect or copy any records that must be kept under the terms and conditions of this
permit; or may obtain samples of groundwater, surface water, or leachate.
VI. GENERAL CONDITIONS
I . This permit shall become voidable unless the facilities are constructed in accordance
with the conditions of this permit, the approved plans, specifications and other
supporting data.
2. This permit is effective only with respect to the nature and volume of wastes
described in the application and other supporting data.
3. This permit is not transferable. In the event there is desire for the facilities to change
ownership, or there is a name change of the Permittee, a formal permit request must
be submitted to the Division of Environmental Management accompanied by an
application fee, documentation from the parties involved, and other supporting
materials as may be appropriate. The approval of this request will be considered on
its merits and may or may not be approved.
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4. Prior to any transfer of this land, a notice shall be given to the new owner that gives
full details of the materials applied or incorporated at this site.
�. A set of approved plans and specifications for the subject project must be retained by
the applicant for the life of the project.
6. The annual administering and compliance fee must be paid by the Permittee within
thirty (30) days after being billed by the Division. Failure to pay the fee accordingly
may cause the Division to initiate action to revoke this permit as specified by 15
NCAC 2H.0205 (c)(4).
7. Failure to abide by the conditions and limitations contained in this permit may subject
the Permittee to an enforcement action by the Division of Environmental
Management in accordance with North Carolina General Statute 143-215.6.
8. The wastewater treatment facility shall connect to a publicly owned areawide sewage
collection system within 180 days of its availability. All discharge of wastewater to
the system shall cease at the time of the connection to the sewerage collection
system.
9. The issuance of this permit does not preclude the Pemlittee from complying with any
and all statutes, rules, regulations, or ordinances which may be imposed by other
govermment agencies (local, state, and federal) which have jurisdiction.
10. The Permittee, at least six (6) months prior to the expiration of this permit, shall
request its extension. Upon receipt of the request, the Commission will review the
adequacy of the facilities described therein, and if warranted, will extend the permit
for such period of time and under such conditions and limitations as it may deem
appropriate.
11. The subsurface drainage fields and the repair area shall be fenced with at least a two
strand fence to prevent any unauthorized access.
Permit issued this the 24th day of August, 1990
NORTH CAROLINA
George T. Everett, D
Division of Environn
\ By Authority of the E
L�7►/�Ti3�uf �►11_I[K�)u_ful_i►`IL`]��]�i
tal Management Commission
5

Permit No. WQ0003741
August 24, 1990
Enaincer'�-artification
1, , 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
project,
Project Name
Location
for the
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the
observation of the construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
Signature
Date
I^
Registration No.

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