WQ0021622_Final Permit_20030121

Michael F. Easley, Governor
�O G William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P. E., Director
Division of Water Quality
January 21, 2003
PATRICK O'NEAL — PRESIDENT
CHATHAM DEVELOPMENT CORPORATION
211 CHANCELLORS RIDGE DRIVE
DURHAM, NC 27713
Subject: Permit No. WQ0021622
Chatham Development Corporation
Single Fan-ily Residence
Surface Irrigation Facility
Chatham County
Dear Mr, O'Neal:
In accordance with your permit application request received July 23, 2002 and additional
information received November 20, 2002, we are forwarding herewith Permit No. WQ0021622, dated
January 21, 2003, to Chatham Development Corporation for the construction and operation of the subject
single family wastewater treatment and drip irrigation facilities.
This permit shall be effective to the date of issuance until December 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 150B of the North
Carolina General Statutes, and filed with the Office of Administrative Hearings, 671.4 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 Nathaniel Thornburg at 19) 733-5083 extension 533.
f
Sincerer,
Alan W. Klimek, P. E.
cc: Chatham County Health Department
Raleigh Regional Office, Water Quality Section
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit
Jerry T. Dalton, PE - Dalton Engineering and Associates, PA
Water Quality Central Files
NDPU Files
Non -Discharge Permitting Unit Internet http://h2o.erLr.state.nc.usindpu NCDEN t
1637 Mail Service Center. Raleigh, NC 27699-1617 Telephone [phone] Fax [phone]
DENR Customer Service Center Telephone [phone]
An Equal Opportunity Action Employer 50% recycled!] 0% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
SINGLE FAMILY SPRAY IRRIGATION 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
Chatham Development Corporation
Chatham County
FOR THE
construction and operation of a 480 gallon per day (GPD) drip irrigation wastewater treatment and disposal
system consisting of a 1,200 gallon baffled septic tank with effluent filter, two (2) 60 square foot (ft2)
recirculating sand filters with a 4.0 gpolft2 loading rate, a 12 gallon per minute (GPM) ultraviolet disinfection unit
(Sanitron Model 37B), a 4,000 gallon recirculation/storage/pump tank with a 20 GPM pump operating at 155 ft of
TDH, audio and visual high water alarms, rain sensor, and a 12,618 ft2 drip irrigation area with approximately
4,206 linear feet of drip line containing 2,103 emitters to serve Lot 21 of the Heritage Pointe Subdivision, and all
associated piping and appurtenances with no discharge of wastes to the surface waters, pursuant to the application
received July 23, 2002, 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 December 31, 2007, and shall be subject to the
following specified conditions and limitations:
I. PERFORMANCE STANDARDS
1. 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, and other supporting materials. If
this project is to be cam feted in phases and partially certifiedyou shalI retain the responsibility to
track further construction =roved under the same it, and shall rovide a final certificate of
com letion once the entire proiect has been com Ieted. Mail the Certification to the Non -Discharge
Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617.
2. The Raleigh 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.

3. The surface 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 ground waters resulting from the operation of this facility.
The sand media of the dual recirculating sand filters must comply with the Division's sand
specifications. The Engineer's Certification will serve as evidence that these specifications have been
met.
6. 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) hours per 1,000
gallons of tank capacity. The Engineer's Certification will serve as proof of compliance with this
condition.
7. If excavation into bedrock is required for the installation of the septic tank or sand filter, the pit shall
be lined with -a 10 mil synthetic liner.
S. A sanitary tee and filter shall be installed on the effluent pipe of the septic tank. The Engineer's
Certification will serve as evidence that these specifications have been met.
9. 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.
10. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited.
11. The following buffers shall be maintained:
a. 100 feet between wetted area and any residence or places of public assembly under separate
ownership,
b. 50 feet between wetted area and property lines,
c. 100 feet between wetted area and wells,
d. 50 feet between wetted area and drainage ways or surface water bodies,
e. 50 feet between wetted area and public right of ways,
f. 100 feet between treatment/storage units and any wells, and
g. 50 feet between treatment units and property lines.
12. The pump tanks shall have functional high water audible and visual alarms. The name and number of
an emergency contact small be posted in a conspicuous location.
13. The disposal system shall be connected to a rain or moisture sensor that shall indicate when
wastewater application is not appropriate in accordance with Condition 11(4) of this permit.

II. OPERATION AND MAINTENANCE REQUIREMENTS
The facilities shall be properly maintained and operated at all times.
Upon classification of the wastewater treatment and drip irrigation facilities by the Water Pollution
Control System Operators Certification Commission (WPCSOCC), the Permittee shall designate and
employ a certified operator to be in responsible charge (ORC) and one or more certified operator(s) to
be back-up ORC(s) of the facilities in accordance with 15A NCAC 8G .0201. The ORC shall visit
the facilities in accordance with 15A NCAC 8G.0204 or as specified in this permit and shall comply
with all other conditions specified in these rules.
3. A suitable year round vegetative cover shall be maintained (or leaf litter in wooded areas).
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 drip field.
The application rate shall not exceed a cumulative loading of 22.7 inches over any twelve (12) month
period at an instantaneous application rate not to exceed 0.42 inches per hour.
7. 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.
No type of wastewater other than that from Lot 21 of the Heritage Pointe Subdivision shall be emitted
onto the irrigation area.
No traffic or equipment shall be allowed on the disposal area except while installation occurs or while
normal maintenance is being performed.
10. The drip irrigation field shall be fenced with at least a two strand wire fence.
11. The Permittee is responsible for the operation and maintenance of the entire treatment and disposal
system including, but not limited to, the following items:
a. The septic tank shall be checked annually and pumped out as needed.
b. The ultraviolet disinfection unit shall be checked every week. The lamp shall be cleaned and/or
replaced as necessary to ensure proper disinfection.
c. The storage, pump, and alarm systems shall be inspected monthly. The scum layer shall be
removed at the same interval as the septic tank is cleaned out.
d. The system shall be inspected monthly to make certain of the proper operation of the drip line,
that the vegetative growth allows a proper drip pattern, that the soil is assimilating the disposed
treated wastewater with no surface runoff, and that no objectionable odors are being generated.
3

III. MONITORING AND REPORTING REQUIREMENTS
Any monitoring 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. The Permittee shall maintain records of all maintenance performed on the system and irrigation area,
as required in Condition H(12) for a minimum of five years. This information shall be provided to the
Division upon request.
3. Noncompliance Notification:
The Permittee shall report by telephone to the Raleigh Regional Office, telephone number (919) 571-
4700, 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 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, emitters, etc.;
or
b. Any failure of a pumping station 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.
Occurrences outside normal business hours may also be reported to the Division's Emergency
Response personnel at telephone number [phone], [phone], or [phone].
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. INSPECTIONS
Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to insure proper
operation of the subject facilities.
2. 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.
V. GENERAL CONDITIONS
This permit shall become void unless the facilities are constructed in accordance with the conditions
of this permit, the approved pians 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
accompanied by 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_ Upon the availability of a municipal or regional sewerage collection system, the subject wastewater
treatment facilities shall be abandoned and all wastewater discharged into the municipal or regional
sewerage system
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 in accordance with North Carolina General Statute 143-
215.6A to 143-215.60.
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. This permit may be revoked if the Permittee fails to abide by the conditions of the "Operation and
Maintenance Agreement" previously signed by the Permittee.
8. A set of approved plans and specifications for the subject project must be retained by the Permittee
for the life of the project.
9. The annual administering and compliance fee must be paid by the Permittee within 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).
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.
Permit issued this the 21st day of January, 2003
NORTff AROLIN ENVIRONMENTAL MANAGEMENT COMMISSION
1
Alan W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0021.622

Permit No. WQ0021622
January 21, 2003
ENGINEER'S CERi'II+ICA.TION
Partial Final
1, , as a duly registered Professional Engineer in the State of North
Carolina, Laving been authorized to observe (periodically, weekly, full time) the construction of the project,
Project Name
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
0
Registration No.

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OPERATION AND MAINTENANCE AGREEMENT
SINGLE FAMILY RESIDENCE WASTEWATER TREATMENT SYSTEM
DIVISION OF WATER QUALITY
Owner: bel, � xl 16v,)
Address: All Ck -c.771 -3
Disposal Method: SPRAY IRRIGATION RIP IRRIGATIO (Circle One)
Count%: �'
Permit \o. d lain t
i agree to operate and maintain the wastewater treatment system as follows:
i) The Permittee is responsible for the operation and maintenance of the entire treatment and disposal
S% stem including, but not limited to, the following items:
a} The septic tank shall be checked annually and pumped out as needed. The -effluent filter shall be
checked and cleaned at the same frequency of the septic tank.
b) Check one:
- D The tablet chlorinator shall be checked every week. Tablets shall be added so as to provide
proper chlorination.
l The ultraviolet disinfection unit shall be checked every week. The lamp shall be cleaned
and/or replaced to ensure proper disinfection.
c} The storage, pump. and alarm systems shall be inspected monthly. The scum laver shall be
removed at the same time interval as the septic tank is pumped out.
I ) The system shall be inspected monthly to make certain of proper operation, that
N eaetative Growth does not interfere with the system inspection or operation, that the soil is
assimilating the disposed treated 'wastewater with no surface runoff, and that no objectionable
odors are being generated.
') Failure of the Permirtee to properly operate this system is subject to a penalty up to $2$,000 per day.
3) Failure to meet the permit conditions or violation of the State's surface or groundwater regulations
will require evacuating the dwelling and may void the permit.
1 understand the above requ
O�,ner Signature:
Notan Signature:
Date: �� L
SFR O&NI 04101
nts and agree toterms as part of the issued pen -nit.
Date:
Notary Seal:
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Commission Expiration:/5 O_j
1A

WATER POLLUTION CONTROL SYSTEM OPERATORS
CERTIFICATION COMMISSION
CLASSIFICATION
RATING SHEET FOR WATER POLLUTION CONTROL SYSTEMS
FACILITY INFORMATION--
NAME
NFORMATION:
NAME OF FACILITY: Heritage Pointe Single Family -Lot 21
MAILING ADDRESS: 211 Chancellors Ridge Drive, Durham. NC 2771.3
COUNTY: Chatham
CONTACT PERSON: Kevin O'Neal Chatham Develo ment Corp
PERMIT NO.: WQ002162 ,�
Check One: NC WQ ✓
TELEPHONE:
PHONE: [phone]
HEALTH DP
RATING INFORMATION: (Before completing this section, please refer to pages 2-4)
PERMITTED FLOW: �o GPD _ BNR? YES NO
CHECK CLASSIFICATION: WASTEWATER:
1 2
3 4
COLLECTION:
I 2
3 4
DRIP IRRIGATION ✓ SUBSURFACE LAND APPLICATION
i
PHYSICALICHEA GRADE I GRADE 11
RATED BY: Ran v REGION: RRO DATE: 12/19/02
REGIONAL OFFICE TELEPHONE NUMBER: 919/5714700
74
Z
Permit No.: WQ002162 A
Page 1
EXT: 255

✓ Systems which utilize drip irrigation for the reuse or disposal of wastewater_
These systems include: septic tanks, sand filter, oil/water separators, lagoons,
storage basins, screening, sedimentation. Systems other than those listed above
shall be subject to additional classification.
Classification of Land Anulication of Residuals Systems:
Systems permitted and dedicated for the land application of residuals that are produced by
a water pollution control system or contaminated soils.
Classification of Ph sicat/Chemical Water Pollution Control Treatment Systems:
Grade 1 Physical/Chemical: Any water pollution control system that utilizes a primarily
physical process to treaf wastewater. This classification includes groundwater remediation
systems **
Grade H Physical/Chemical: Any water pollution control system that utilizes a primarily
chemical process to treat wastewater. This classification includes reverse osmosis,
electrodialysis, and ultrafiltration systems. **
** Any water pollution control system that utilizes a physical/chemical process to enhance an
activated sludge or fixed growth process, shall not be subject to additional classification
Classification of Subsurface Water Pollution Control Systems:
Systems which utilize the soil for subsurface treatment and disposal of wastewater
And/or and required to have a certified operator under 15A NCAC 18A.1961. ***
*** Any subsurface system that has as part of its treatment process a water pollution control
system that may be classified under Rules .0302 through .0307 of this section shall be
subject to additional classification.
Permit No.: WQ002162 Z -
Page 3