WQ0003090_Final Permit_19900228

Stale of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
Jaynes G. Martin, Governor
William W. Cobey, Jr., Secretary
February 28, 1990
The Honorable Jim S. Parker, Mayor
Town of Liberty
P.O. Box 1006
Liberty, North Carolina 27298
George T. Everett, Ph,D.
Director
Subject: Permit No. WQ0003090
Town of Liberty
Spray Irrigation Wastewater
Treatment and Disposal Facilities
Randolph County
Dear Mayor Parker -
In accordance with a request from the construction engineer and our Division's Winston
Salem Regional Office, the Division is forwarding herewith Permit No. WQ0003090, dated
February 28, 1990, to the Town of Liberty for the operation of the subject spray irrigation
treatment and disposal facility. This permit amendment consists of increasing the application rate
for the spray field from 0.21 inches/acre/week to 0.21 inches/hour at a maximum application of 1.0
inches/week in accordance with the soil scientist's recommendations for the subject project. In
addition, please be advised, the nondischarge permits have been restructured and new conditions
added in accordance with new procedures. Please review the subject permit with these conditions.
This permit shall be effective from the date of issuance until January 14, 1991, shall
hereby void Permit No. 11688 issued January 14, 1986, and shall be subject to the conditions and
limitations as specked therein.
If any parts, requirements, or limitations contained in this permit amendment are
unacceptable to you, you have the right to request an adjudicatory hearing upon written request
within 60 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 was previously forwarded to you. If you
need additional information concerning this matter, please contact Ms. Carolyn McCaskill at 919/
733-5083.
Sirerely,
George t . Everett
cc: Randolph County Health Department
Winston Salem Regional Office
Poll ut ion Prevention lays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
rwWVW"
SPRAY IRRIGATION 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
Town Of Liberty
Randolph County
FOR THE
construction and operation of a manual bar screen, a factory built above the ground lift station
with three (3) 815 gpm self -priming pumps, approximately 1,000 linear feet of 10-inch force
main, flow metering, modifications to change the existing Town of Liberty's wastewater treatment
facilities from a direct discharge type facility to a 0.55 mgd nondischarge land application type
treatment facility consisting of a 15 acre stabilization/storage lagoon with 88 days of storage, a
lagoon liner of natural clay material of adequate thickness/compaction with a permeability of
Ix10-6 cm/sec or less, chlorination facilities, dual 1,830 gpm vertical diffusion vane irrigation
pumps with approximately 3,460 linear feet of 8-inch force main, solid set spray irrigation system
to consist of 150 acres of wetted spray irrigation piping, an operation building and four (4)
monitoring wells to serve the Town of Liberty with no discharge of wastes to the surface waters,
pursuant to the application received November 11, 1984, 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 January 14, 1990, shall hereby
void Permit No. 11688 issued January 14, 1986, and shall be subject to the following specified
conditions and limitations:
1. The spray irrigation facilities shall be effectively maintained and operated at all times so
that there is no discharge to the surface waters, nor any contamination of ground waters
which will render them unsatisfactory for normal use. In the event that the facilities fail
to perform satisfactorily, including the creation of nuisance conditions or failure of the
irrigation area to adequately absorb the wastewater, the Permittee shall take such
immediate corrective action to correct the problem, including actions as may be required
by the Division of Environmental Management.
2. 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.

3 . 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.
4. In the event it is necessary to remove solids from the waste stabilization lagoon, the
appropriate permit must be obtained from the Division of Environmental Management.
5. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
6. The following buffers shall be maintained:
a) 400 feet between wetted area and any residence under separate ownership,
b) 150 feet between wetted area and property lines,
c) 100 feet between wetted area and wells,
d) 100 feet between wetted area and drai-nageways or surface water bodies,
e) 50 feet between wetted area and public right of ways,
f) 100 feet between wastewater treatment units and wells,
g) 50 feet between wastewater treatment units and property lines.
7. The facilities shall be properly maintained and operated at all times.
8. 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.
9. A suitable year round vegetative cover shall be maintained.
10. No root or leaf crops for direct human consumption shall be raised on the irrigation site.
11. Irrigation shall not be performed during inclement weather or when the ground is in a
condition that will cause runoff.
12. Adequate measures shall be taken to prevent wastewater runoff from the spray field.
13. 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.
14. Construction of these facilities shall be so scheduled as not to interrupt service by the
existing utilities nor result in an overflow or bypass discharge of wastewater to the
surface waters of the State.
15. The application rate shall not exceed: a) 0.21 inches/hour and
b) a maximum 1.0 inches/week.
16. No type of wastewater other than that from the Town of Liberty Wastewater Treatment
Facility shall be sprayed onto the irrigation area.
17. No traffic or equipment shall be allowed on the disposal area except while installation
occurs or while normal maintenance is being performed.
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18. Public access to the land application sites shall be controlled during active site use. Such
controls may include the posting of signs showing the activities being conducted at each
site.
19. Any monitoring (including groundwater, surface water, soil or plant tissue
analyses) 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.
20. Adequate records shall be maintained by the Permittee tracking the amount of wastewater
disposed. These records shall include, but are not necessarily limited to the following
information:
a) date of irrigation,
b) volume of wastewater irrigated,
c) field irrigated,
d) length of time field is irrigated,
e) continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings
for each field,
f) weather conditions, and
g) maintenance of cover crops.
21. Noncompliance Notification:
The Permittee shall report by telephone to the Winston Salem Regional Office,
telephone no. 919/761-2351, 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:
a. 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 sludge digester; 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.
d. Any time that self -monitoring information indicates that the facility has gone out of
compliance with its permit limitations.
Persons 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
recur.
22. Any groundwater quality monitoring as deemed necessary by the Division of
Environmental Management shall be provided.
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23. The facility shall be constructed, operated, and maintained in a manner such that the
assigned groundwater duality standards will not be contravened.
24. Four (4) monitor wells shall be installed at the approved stations. The location and
construction details for these wells must be approved by the Winston Salem Regional
Office, from which a well construction permit must be obtained.
The measurement of water level must be made prior to sampling for the remaining
parameters.
25. The results of the sampling and analysis shall be sent to the N.C. Division of
Environmental Management on Form GW-59 (Compliance Monitoring Report Form)
every quarter.
26. The lagoon shall have a liner of natural material at least one (1) foot in thickness at all
locations with a hydraulic conductivity of no greater than 1 x 10-6 centimeters per
second when compacted.
27. Freeboard in the lagoon shall not be less than. 1.5 feet at any time.
28. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to
insure proper operation of the subject facilities.
29. 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 keep 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.
30. 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 perrnit; or
may obtain samples of groundwater, surface water, or leachate.
31. 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.
32. This permit is effective only with respect to the nature and volume of wastes described in
the application and other supporting data.
33. This permit is not transferable. In the event there is a 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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34. 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.
35. The issuance of this permit 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.
36. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of the project.
37. The annual administering and compliance fee must be, paid by the Permittee within thirty
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).
38. 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.
39. During the construction of the proposed additions/modifications, the Permittee shall
continue to properly maintain and operate the existing wastewater facilities at all times,
and in such a manner, as necessary to comply with the effluent limits specified in the
existing NPDES Permit.
40. The existing plant effluent sewer shall be removed or permanently sealed to prevent any
discharge to the surface waters of the State.
Permit issued this the 28th day of February, 1990
NORTH CARD lNA ENVIRONMENTAL MANAGEMENT COMMISSION
George T. Everett, ctor
Division of Environmental Management
By Authority of the Environmental Management Commission
Permit No. WQOW3090
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