WQ0011284_Final Permit_19951218

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
Carl Daniel, Vice President
Carolina Water Service, Inc. of NC
Post Office Box 240705
Charlotte, North Carolina 28224
Dear Mr. Daniel:
Am YTJ
T40
C)EHNR
December 18,1995
Subject: Permit No. WQ0011284
Carolina Water Service, Inc. of NC
Corolla Light Water Treatment Plant
Infiltration Pond
Currituck County
In accordance with your application received July 7, 1995, we are forwarding herewith Permit No.
WQ0011284, dated December 18, 1995, to Carolina Water Service, Inc. of NC for the operation of the
existing infiltration pond. The existing infiltration pond is located within fifteen (15) feet of the property
boundary. Backwash analysis indicated levels of iron at 147 PPM. Although a proposal has been
submitted which indicates that the backwash from the water treatment plant will be diverted to the existing
near -by wastewater treatment plant, two (2) monitor wells shall be installed and sampled in case the
backwash is continued to be discharged to the existing infiltration pond.
This permit shall be effective from the date of issuance until November 30, 2000, 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 150B of the
North Carolina General Statutes, and fled with the. Office of Administrative Hearings, P.O. Drawer
27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
If you need additional information concerning this matter, please contact Mr. Michael D. Allen at
[phone] extension 547.
Sincerely,
CCU
Q14
A. Presto ow, Jr., E.
cc: Currituck County Health Department
Washington Regional Office, Water Quality Section
Washington Regional Office, Groundwater Section
Bob Cheek, Groundwater Section, Central Office
Training and Certification Unit
Facilities Assessment Unit
P.Q. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
INFILTRATION 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
Carolina Water Service, Inc. of NC
Currituck County
I&PANIUM
operation of a 4,000 GPD infiltration pond system consisting of an existing 3,000 square foot infiltration
pond for the disposal of backwash from greensand filters located at the Corolla Light Water Treatment
Plant, with no discharge of wastes to the surface waters, pursuant to the application received July 7, 1995,
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 November 30, 2000, and shall be
subject to the following specified conditions and limitations:
I. PERFORMANCE„ STANDARDS
1. In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective actions, including those
actions that may be required by this Division, such as the construction of additional or
replacement wastewater treatment or disposal facilities.
2. This permit shall become voidable if the soils fail to adequately assimilate 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.
3. 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 North Carolina Division of
Environmental Management.
4. Adequate measures shall be taken to divert stormwater from the infiltration area and to
prevent runoff.
5. 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.

6. Diversion or bypassing of the backwash from the infiltration pond is prohibited except for
the diversion of the backwash to the existing wastewater treatment facility.
7. The following buffers shall be maintained:
a) 200 feet between the infiltration pond and any private or public water supply source and
any streams classified as WS or B,
b) 200 feet from mean high water between the infiltration pond and any "SA" or "SB"
classified surface waters,
c) 200 feet from normal high water between the infiltration pond and any other stream,
canal, marsh, or coastal waters,
d) 200 feet from normal high water between the infiltration pond and any Class I or Class
II impounded reservoir used as a source of drinking water,
e) 200 feet between the infiltration pond and any other lake or impoundment,
f) 200 feet between the infiltration pond and any Drainage systems (ditches, drains,
surface water diversions, etc.) and from any groundwater lowering and surface
drainage ditches,
g) 100 feet between the infiltration pond and property lines,
h) 50 feet between the infiltration pond and other treatment units and public right of ways.
Some of the buffers specified above may not have been included in previous permits for
this waste treatment and disposal system. These buffers are not intended to prohibit or
prevent modifications, which are required by the Division, to improve performance of the
existing treatment facility. These buffers do, however, apply to modifications of the
treatment and disposal facilities which are for the purpose of increasing the flow that is
tributary to the facility. These buffers do apply to any expansion or modification of the
high rate infiltration areas and apply in instances in which the sale of property would cause
any of the buffers now complied with, for the treatment and disposal facilities, to be
violated. The applicant is advised that any modifications to the existing facilities will
require a permit modification.
II. OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times.
2. 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, IH, 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.
3. The application rates for the infiltration system shall not exceed 1.33 GPD/ft2.
4. The facilities shall be effectively maintained and operated as a non -discharge system to
prevent the discharge of any backwash outside of the infiltration disposal area, which result
from the operation of this facility.
5. No traffic or equipment shall be allowed on the disposal area except while normal
maintenance is being performed.
6. Any screenings removed from the water treatment plant shall be properly disposed in a
sanitary landfill or by other means which have been approved by this Division.
2

7. The application of chemicals to the infiltration pond is expressly prohibited.
III. MONITORING AND REPORTINQ 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. A record shall be maintained of all residuals removed from this facility. The record shall
include the name of the hauler, the permit authorizing the disposal or a letter from a
municipality agreeing to accept the residuals, the date the residuals were hauled, and the
volume of residuals removed.
3. Noncompliance Notification:
The Permittee shall report by telephone to the Washington Regional Office, telephone
number [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:
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 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 renders 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
of all or any portion of the influent to such station or facility; or
d. Any time that self-monitoring information indicates that the facility is not in 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.
IV. GROUNDWATER REQUIREMENTS
1. Within 90 days of permit issuance two (2) monitor wells shall be installed to monitor
groundwater quality. The wells shall be constructed such that the water level in the well is
never above or below the screened (open) portion of the well at any time during the year.
The general location and name for each well is marked on Attachment A. Each monitoring
well shall be constructed in accordance with this permit and approved by the Washington
Regional Office.
2. All wells that are constructed for purposes of groundwater monitoring shall be constructed
in accordance with 15A NCAC 2C .0108 (Standards of Construction for Wells Other than
Water Supply) and any other state and local laws and regulations pertaining to well
construction.
3. The Washington Regional Office, telephone number [phone], shall be notified at
least forty-eight (48) hours prior to the construction of any monitoring well so that an
inspection can be made of the monitoring well location. Such notification to the regional
groundwater 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.
3

4. The two (2) new monitor wells designated as MW -1 and MW -2, shall be sampled initially
after construction and:
a. One month after the backwash has been discharged to the near -by wastewater treatment
plant and twice (July and November) thereafter, for the following parameters:
Chloride Iron
TDS Water Level
pH Lead
b. If exceedances of groundwater standards have occurred during one or more of the
sampling events, continue to sample the two (2) monitor wells every March, July, and
November for the same parameters as mentioned above.
The measurement of water levels must be made prior to sampling for the remaining
parameters. The depth to water in each well shall be measured from the surveyed point on
the top of the casing.
The measuring points (top of well casing) of all monitoring wells shall be surveyed to
provide the relative elevation of the measuring point for each monitoring well.
The results of the sampling and analysis shall be sent to the Groundwater Section, Permits
and Compliance Unit, P.O. Box 29578 Raleigh, N.C. 27626-0578 on Form GW -59
[Compliance Monitoring Report Form] every within thirty (30) days of each sampling
event.
5. Within sixty (60) days of completion of all monitoring wells, the permittee shall submit two
original copies of a scaled topographic map (scale no greater than 1":100') signed and
sealed by a professional engineer or a state licensed land surveyor that indicates all of the
following information:
a. the location and identity of each monitoring well,
b. the location of the waste disposal system,
c. the location of all property boundaries,
d. the latitude and longitude of the established horizontal control monument,
e. the relative elevation of the top of the well casing (which shall be known -as the
"measuring point"), and
f. the depth of water below the measuring point at the time the measuring point is
established.
The survey shall be conducted using approved practices outlined in North Carolina General
Statutes Chapter 89C and the North Carolina Administrative Code Title 21, Chapter 56.
The surveyor shall establish a horizontal control monument on the property of the waste
disposal system and determine the latitude and longitude of this horizontal control
monument to a horizontal positional accuracy of f/- 10 feet. All other features listed in a.
through e. above shall be surveyed relative to this horizontal control monument. The
positional accuracy of features listed in a. through e. above shall have a ratio of precision
not to exceed an error of closure of 1 foot per 10,000 feet of perimeter of the survey. Any
features located by the radial method will be located from a minimum of two points.
Horizontal control monument shall be installed in such a manner and made of such
materials that the monument will not be destroyed due to activities that may take place on
the property. The map shall also be surveyed using the North American Datum of 1983
coordinate system and shall indicate the datum on the map. All bearings or azimuths shall
be based on either the true or NAD 83 grid meridian. If a Global Positioning System
(GPS) is used to determine the latitude and longitude of the horizontal control monument, a
GPS receiver that has the capability to perform differential GPS shall be used and all data
collected by the GPS receiver will be differentially corrected.
4

The maps and any supporting documentation shall be sent to the Groundwater Section,
N.C. Division of Environmental Management P.O. Box 29578 Raleigh, N.C. 27626-
0578.
6. 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).
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.
7. 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 maintain 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 to the
Division of Environmental Management or other permitting authority, upon request.
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 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.
3. 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.

4. 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).
5. 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(a) to 143-215.6(c).
6. 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.
7. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of this project.
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 eighteenth day of December, 1995
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Ln. ( i -)C7';2 -N-
A. Prestonward, r., P.E., Director
Division of 9vironmental Management
By Authority of the Environmental Management Commission
Permit Number WQ0011284
51,

ATTACHMENT A
COROLLA LIGHT WATER TREATMENT PLANT
CURRITUCK COUNTY
PERMIT NO. WQ4011M
PROPOSED INFILTRATION
LAGOON
® Mw -1
EXISTING INFMTRATION LAGOON AfW-2
PROPERTY BOUNDARY
MW - PROPOSED MONITOR WELLS
?0 10 0 ?0 40
GRAPHIC SCALE: I* = 20�

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