WQ0020881_Final Permit_20020619

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June 19, 2002
Dr, Philip K. McKnelly, Director
Division of Parks and Recreation
Department of Environment and Natural Resources
1615 Mail Service Center
Raleigh, NC 27699-1615
Michael F. Easley. Governor
William G. Ross 1r.. Secretary
North Carolina Department of Environment and Nauiral Resources
Alan W, Klimek. P.F.. Director
Division of Lva€cr Quality
Subject: Permit No. WQ0020881
Lake Norman State Park Swim Beach
Wastewater Spray Irrigation
Iredell County
Dear dr. McKnelly:
In accordance with your application received December 10, 2001, we are forwarding herewith Permit No.
WQ0020881, dated June 19, 2002, to the Division of Parks and Recreation for the construction and operation of the subject
wastewater treatment and spray irrigation facilities.
This permit shall be effective from the date of issuance until May 31, 2007, and shall be subject to the conditions
and limitations as specified therein. Please pay particular attention to the monitoring requirements 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, you have the right to request an
adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in the
form of a written petition, conforming to Chapter- 150E of the North Carolina General Statutes, and filed with the Office of
Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. 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, please contact Sue Homewood at [phone] extension $2.
Sincere _r
/Alan W. Klimek, P.E.
cc: Iredell County Health Department
Mooresville Regional Office, Water Quality Section
Mooresville Regional Office, Groundwater Section
Groundwater Section, Central Office
Mr. William J. Burns, Park Superintendent, Lake Norman State Park
Mattliew O'Brien, S&ME, Inc.
Jeff Smith, Bulla-Smith Design Engineers
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit
Water Quality Central Files
NDPU Files
Nan -Discharge Permitting Unit
1617 Mail Service Center. Raleigh. NC 27699-1617
Internet http-liVo.wr.state. QC. usindpu
Telephone [phone] Fax [phone]
DENR Customer Service Center Telephone [phone]
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NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
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
Division of Parks & Recreation
Iredell County
FOR THE
construction and operation of a spray irrigation treatment and disposal facility approved to accept 15,000 GP❑ of
wastewater (monthly average) during April through October and 3,500 GPD of wastewater (monthly average)
during November through March and consisting of a 78 GPM inflr_€ent pump station with dual grinder pumps, a
15,000 gallon septic tank with effluent filters, an aerated 780,000 gallon treatment and storage lagoon to provide
10 days of treatment and 42 days of storage at maximinn design flow with two 3HP aerators, chlorine disinfection
in a 8,112 gallon chlorine contact chairiber, a 135 GPM irrigation pump station, and a solid set irrigation systein
to irrigate two 1,715 acre irrigation zones: Zone A and Zone B , to serve LakeNorman State Park Swim Beach,
with no discharge of wastes to the surface waters, pursuant to the application received December 10, 2001, and in
conformity with the project plan, specifications, and other supporting data subsequently filed and approved by the
Department of Environment and Natural Resources and considered a part of this permit.
This permit shall be effective from the date of issuance until May 31, 2007, and shall be subject to the
following specified conditions and limitations:
I. PERFORMANCE STANDARDS
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 per€nit, the approved plans and specifications, and other supporting materials. If
this project is to be completed in phases and partially certified, you shall retain the responsibility to
track further construction approved under the same permit, and shall provide a final certificate of
completion once the entire project has been completed. Mail the Certification to the Non -Discharge
Permitting Unit, Division of Water Quality, 1617 Mail Service Center, Raleigh, NC 27699-1617.
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 fro€n
8:00 a.m. until 5:00 p.m. on'Monday through Friday, excluding State Holidays.

3. 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 assimilate the
wastewater, the Permittee shall take immediate corrective actions including those actions that may be
required by the Division of Water Quality (Division), such as the construction of additional or
replacement wastewater treatment and 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.
The residuals generated from these treatment facilities must be disposed in accordance with General
Statute 143-215.1 and in a manner approved by the Division-
b. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited.
7. The following buffers shall be maintained-,
a) 400 feet between wetted area and any residence or places of public assembly 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 drainageways or surface water bodies,
e) 50 feet between wetted area and public right of ways,
fl 100 feet between wastewater treatment units and wells, and
g) 50 feet between wastewater treatment units and property lines.
A leakage test shall be perfon-ned on the influent pump tank, the septic tank, and the chlorine contact
chamber/pump tank to insure that any exfiltration occurs at a rate which does not exceed twenty (20)
gallons per twenty-four (24) hours per 1,000 gallons of tank capacity. The engineer's certification
will serve as proof of compliance with this condition.
II. OPERATION AND MAINTENANCE REQUIREMENTS
The facilities shall be properly maintained and operated at all times.
Upon classification of the facility by the Water Pollution Control System Operators Certification
Commission (WPCSOCC), 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 WPCSOCC. The Permittee must also employ a certified back-
up operator of the appropriate type and grade to comply with the conditions of 15A NCAC SG .0202.
The ORC of the facility must visit each Class I facility at least weekly and each Class Il, 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 15A
NCAC SG .0202. Once the facility is classified, the Pen-nittee must submit a letter to the WPCSOCC
which designates the operator in responsible charge within thirty days after the wastewater treatment
facilities are 50% complete.
A suitable year round vegetative cover shall be maintained on the entire irrigation area.
4. Irrigation shall not be performed during inclement weather or when the ground is in a condition that
will cause runoff.
Adequate measures shall be taken to prevent wastewater runoff from the spray field.

6. 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.
7. The application rate shall not exceed a cumulative loading of 30.16 inches over any twelve (12)
month period at an instantaneous application rate not to exceed 0.4 inches per hour.
S. No type of wastewater other than that from Lake Norman State Park Swim Beach shall be sprayed
onto the irrigation area.
9. No traffic or equipment shall be allowed on the disposal area except while installation occurs or while
normal maintenance is being performed.
10. 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.
11. Freeboard in the lagoon shall not be less than two feet at any time.
12. A waste -level gauge, to monitor waste levels in the storage pond, shall be installed within 60 days of
issuance of this pen -nit. This gauge shall have readily visible permanent markings indicating the
maximum liquid level at the top of the temporary liquid storage volume, minimum liquid level at the
bottom of the temporary liquid storage volume, and top of the dam elevations. Caution must be taken
not to damage the integrity of the liner when installing the gauge.
13. A protective vegetative cover shall be established and maintained on all earthen basin embankments
(outside toe of embankment to maximum pumping elevation), berms, pipe runs, erosion control areas,
and surface water diversions. Trees, shrubs, and other woody vegetation shall not be allowed to grow
on the earthen basin dikes or embankments. Earthen basin embankment areas shall be kept mowed or
otherwise controlled and accessible.
III. MONITORING AND REPORTING REQUIREMENTS
I. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed
necessary by the Division to insure surface and ground water protection will be established and an
acceptable sampling reporting schedule shall be followed.
2. 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. zone irrigated,
d. length of time zone is irrigated,
e. continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for each zone,
f. weather conditions, and
g. maintenance of cover crops.
3. Influent flow shall be continuously monitored and daily flow values shall be reported on Form
NDMR.
The Permittee shall install an appropriate flow measurement device consistent with approved
engineering and scientific practices to ensure the accuracy and reliability of influent flow
measurement. Flow measurement devices selected shall be capable of measuring flows with a
maximum deviation of less than 10 percent from true flow, accurately calibrated at a minimum of
once per year, and maintained to ensure that the accuracy of the measurements is consistent with the
accepted capability of that type of device. Records of flow measurement device calibration shall be
kept on file by the Permittee for a period of at least three years. At a minimum, data to be included in
this documentation shall be:

4
6
7.
a. Date of flow measurement device calibration
b. Name of person performing calibration
c. Percent from true flow
The effluent from the subject facilities shall be monitored by the Permittee at the point following
chlorination and prior to irrigation every March, July and November for the following parameters:
BOD5 TSS
Fecal Coliforin pH
NH3 as N
Three (3) copies of all operation and disposal records (as specified in condition III 2) on Form
NDAR-1 and three (3) copies of all influent and effluent monitoring data (as specified in condition III
3 and Ill 4) on Form NDMR-1 shall be submitted on or before the last day of the following month.
All information shall be submitted to the following; address:
NC Division of Water Quality
Water Quality Section
Non -Discharge Compliance/Enforcement Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted on each
spray field and the results maintained on file by the Permittee for a minimum of five years. The
Standard Soil Fertility Analysis shall include, but is not necessarily limited to, the following
parameters:
Acidity
Calcium
Copper
Magnesium
Cation Exchange Capacity
Noncompliance Notification:
Manganese
Percent Humic Matter
PH
Exchangeable Sodium Percentage
Base Saturation (by calculation)
Potassium
Sodium
Zinc
Phosphorus
The Permittee shall report by telephone to the Mooresville Regional Office, telephone number (704)
663-1699, 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.
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
five (5) 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.

IV. GROUNDWATER REQUIREMENTS
The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A NCAC
2L, Groundwater Classifications and Standards. The Compliance Boundary is for the disposal system
constructed after December 31, 1983 is established at either (1) 250 feet from the waste disposal area,
or (2) 50 feet within the property boundary, whichever is closest to the waste disposal area. An
exceedance of Groundwater Quality Standards at or beyond the Compliance Boundary is subject to
immediate remediation action in addition to the penalty provisions applicable under General Statute
143-215.6A(a)(1).
2. In accordance with 15A NCAC 2L. a REVIEW BOUNDARY is established around the disposal
systems midway between the Compliance Boundary and the perimeter of the waste disposal area.
Any exceedance of standards at the Review Boundary shall require remediation action on the part of
the Permittee.
Waste application activities shall not occur when the vertical separation between depth of application
and the water table is at less than one (1) foot. Verification of the water table elevation may be
confirmed by water level readings obtained from auger borings(s), which should be done within 24
hours, prior to application of wastewater. Any open borings must be properly filled with native soil,
prior to application to decrease the chance of any waste contaminating the groundwater.
4. The lagoon shall have a liner of natural material at least one foot in thickness, having a hydraulic
conductivity of no greater than i x I0-5 cm/see after compaction, or a synthetic liner of sufficient
thickness to exhibit structural integrity and an effective hydraulic conductivity of no greater than that
of the natural material liner according to 15A NCAC 2H .0219(f)..
V. INSPECTIONS
Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to insure proper
operation of the subject facilities.
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 or other permitting authority.
Any duly authorized officer, employee, or representative of the Division may, upon presentation of
credentials, enter and inspect any property, premises or place on or related to the disposal site or
facility at any reasonable time for the purpose of determining compliance with this permit, may
inspect or copy any records that must be maintained under the terms and conditions of this permit,
and may obtain samples of groundwater, surface water, or leachate.
VI. GENERAL CONDITIONS
This permit shall become voidable unless the facilities are constructed in accordance with the
conditions of this permit, the approved plans and 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.

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
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.
4. Failure to abide by the conditions and limitations contained in this permit 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 permit does not exempt 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, including but not limited to applicable river buffer rules in 15A
NCAC 2B .0200, erosion and sedimentation control requirements in 15A NCAC Chapter 4 and under
the Division's General Pennit NCG010000, and any requirements pertaining to wetlands under 15A
NCAC 213 .0200 and 211 .0500.
6. A set of approved plans and specifications for the subject project must be retained by the Permittee
for the life of the project.
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 15A NCAC 2H .0205 (c)(4).
8. 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.
Permit issued this the 19"' day of June, 2002
NORTH CAOLINA ENVIRONMENTAL MANAGEMENT COMMISSION
�lan W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0020881

Permit No. WQ0020881
June 19, 2002
ENGINEER`S CERTIFICATION
Partial Final
I, , as a duly registered Professional Engineer in the State of
North Carolina, having been authorized to observe (periodically, weekly, frill time) the construction of the project,
Project Nance
Location and County
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
this permit, the approved plans and specifications, and other supporting materials.
Signature
Date
Registration No.