WQ0005562_Final Permit_19960703

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E,, Director
July 3, 1996
R. Douglas Davis
P.O. Box 71084
Durham, NC 27722
Dear Mr. Davis:
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IDEHNR
Subject: Permit No. WQ0005562
R. Douglas Davis
Single Family Wastewater
Spray Irrigation Facility
Durham County
In accordance with your application received April 29, 1996, we are forwarding herewith Permit
No. WQ0005562, dated July 3, 1996, to R. Douglas Davis for the construction and operation of the
subject single family wastewater treatment and spray irrigation facilities.
This permit shall be effective from the date of issuance until June 30, 2001, shall void Permit No.
WQ0005562 issued November 25, 1991, 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
Tight 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, P.O. Drawer
27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
Plans were previously forwarded to you and the plans must be followed explicitly during
construction. If you need additional information concerning this matter, please contact Andrew M. Oakley
at [phone] extension 533.
Sincerely,
A. Prest award, Jr., E.
cc: Durham County Health Department
Raleigh Regional Office, Water Quality Section
Training and Certification Unit
Facilities Assessment Unit
P.O. Sox 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
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
R. Douglas Davis
Durham County
FOR THE
construction and operation .of a 360 GPD spray irrigation wastewater treatment and disposal system
consisting of a 1,200 gallon baffled septic tank, a 1,200 gallon sand filter recirculation tank with a 20
GPM recirculation pump, a 300 ft2 sand filter (recirculating at 4 to 1 ratio), a tablet chlorinator (Jet-100, or
equal), a 2,000 gallon storage/pump tank, and a 15,996 ft2 spray irrigation area with 5 sprinklers (with
drain valves) to serve the R. Douglas Davis three bedroom residence, with no discharge of wastes to the
surface waters, pursuant to the application received April 29, 1996, 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 June 30, 2001, shall void Permit No.
WQ0005562 issued November 25, 1991, 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. Mail the Certification to the Water Quality
Permits and Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535.
2. The Raleigh Regional Office, telephone number 910/571-4700, 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 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, 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.
5. The sand media of the sand filter 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.
8. A sanitary tee 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 North Carolina Division of
Water Quality.
10. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
11. 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 Iines,
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,
f) 100 feet between treatment/storage units and any wells, and
g) 50 feet between treatment units and property lines.
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 11, 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 Title 15A, Chapter 8A, .0202.
3. A suitable vegetative cover shall be maintained.
4. Irrigation shall not be performed during inclement weather or when the ground is in a
condition that will cause runoff.
5. Adequate measures shall be taken to prevent wastewater runoff from the spray field.
2

6. The application rate shall not exceed a cumulative loading of 13 inches over any twelve (12)
month period at an instantaneous application rate not to exceed 0.25 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.
8. No type of wastewater other than that from the R. Douglas Davis Residence shall be
sprayed onto the irrigation area.
9. In the event that the sprinkler heads fail to achieve the design diameter due to obstructions,
the obstructions shall be removed or the sprinkler heads shall be raised and supported to
such height that the design diameter is achieved.
10. No traffic or equipment shall be allowed on the disposal area except while installation
occurs or while normal maintenance is being performed.
11. The spray irrigation field shall be fenced with at least a two strand wire fence.
12. 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 tablet chlorinator shall be checked every week. Tablets shall be added so as to
provide proper chlorination.
c. The storage, pump, and alarm systems shall be inspected weekly. The scum layer shall
be removed at the same interval as the septic tank is cleaned out.
d . The spray system shall be inspected weekly to make certain of the sprayers proper
operation, that the vegetative growth allows a proper spray pattern, that the soil is
assimilating the disposed treated wastewater with no surface runoff, and that no
objectionable odors are being generated.
MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring deemed necessary by the Division of Water Quality 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 II 12 for a minimum of five years. This
information shall be provided to the Division of Water Quality upon request.
3. Noncompliance Notification:
The Permittee shall report by telephone to the Raleigh Regional Office, telephone number
910/571-4700, as soon as possible, but in no case more than Z4 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, spray heads, 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.

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
1. 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 of Water Quality
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
1. 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 Water Quality 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 of Water Quality in accordance with
North Carolina General Statute 143-215.6(a) to 143-215.6(c).
5. 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.
6. 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.
7. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of the 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 Peimit for such period of time
and under such conditions and limitations as it may deem appropriate-
4

Permit issued this the 3rd day of July, 1996
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
C ah-L r' -- L� ' ' ' 1 i i cc� n ziL A
A. Preston ward, Jr., P.E.,/Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0005562

Permit No. WQ0005562
July 3, 1996
ENGINEER'S CERTIFICATION
I, , 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 this permit, the approved plans and specifications, and other supporting materials.
Signature
Date
Registration No.
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OPERATION AND MAINTENANCE AGREEMENT FOR THE
DIVISION OF ENVIRONMENTAL MANAGEMENT
R. Douglas Davis
P.O. Box 71084
Durham, NC 27722
Single Family Residence Wastewater Treatment System
Final Disposal by Spray Irrigation
Permit No. WQ0005562
Durham County
I agree to operate and maintain the wastewater treatment system as follows:
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 every six (6) months and pumped out as required.
b. The tablet chlorinator shall be checked every week until the actual usage rate is �7
established and thence on a monthly basis. Tablets shall be added so as to provide �
proper chlorination.
C. The storage system, pump system, and alarm system shall be inspected monthlyh5
The scum layer shall be removed at the same interval as the septic tank is cleane4
out.
d. The spray system shall be inspected monthly to make certain of the sprayers propjzr
operation, that the vegetative growth allows proper spray patterns, that the soiTIs
absorbing the disposed treated wastewater with no surface runoff, and that no
objectionable odors are being generated.
2. Failure of the Permittee to properly operate this system is subject to a penalty up to $ 10,000
per day.
3. Failure to meet permit conditions or violation of the State's surface or groundwater
regulations will require cessation of occupancy of the residence.
I understand that failure to comply with these conditions along with the permit conditions may result in
voiding the permit.
Signature r Date: /1XV
R. Douglas D
r
rvotai y Seal � � .� � GZ-� `
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HATING SCALE - FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility: OAy s F�y ^_
Owner or Contact Person: Mr. 60�5)ys Mavis._ -
Mailing Address: +3ox 7/oB_. 1)t4ejin , _ 1Vc. Z _-�2-Z
County: D'I r ..ti Telephone:
Present Classification: New Facility X Existing Facility
-NPDES Per. No. NC00 Nondisc. Per, No.WQ60o&"?— Health Dept.Per No.
Rated by: C - Cvgre -L- Telephone: Date:
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC: Grade: Telephone:
Check Classification(s): Subsurface _y/ Spray Irrigation Land Application
Wastewater Classification: (Circle One) 1 11 III IV Total Points:
Ji ' Cif a i : I I i; ili�� �! ' u ��I a1r rr : ■ :• ►ii r; • ';:i • i � li : ri; • i I� l �: ►!
•• i WASTE TRFATME�E O j ' •S• • •%R • •�kE•
S LBsuRFAC E ci ASSIFiCATnN
(check al! units that apply)
1. septic tanks
2. pump Ianl-s
3. siphon of pump -dosing systems
4.-sand fillers
5. grease Irapfinterceptor
oil/water separators
7. gravity subsurface treatment and disposal:
8. pressure subsurface treatment and disposal:
--------------------------------
Gst�,YlFiRiGATfCi�t CL45SIFICP,710N
(check all units that apply
1, preliminary treatment (definition no. 32 )
2. lagoons
3._Y septic lzui s
4. pump tanks
5. pumps
6. ? sand fillers
7- grease 1rapfinlerceplor
8, oil/water separators
9. X disinfection
10. chemical addition for nutrient/algae control
11. X spray frrigalfon of wastewater
In addition to the above classificalfons, pretreatment of wastewater in excess of these components .shal;
be raled using the point rating system and will require an, operator with an appropriate dual certification
LAND APPLICATION!/RESIDUALS CUASSIFICA T IOtV (Applies only to permit holder)
1. Land application of bioso!ids, residuals or contaminated soils on a designated site,
-------------------------------------------------------------
WASTEWATER TREATMENT FACILITY CLASSIFICATION
The following systems shall be assigned a Class I classilicalion, ua)p55 the flow is of a significant quantity or the lechno[cgy is unusually
complex, to require consideration by the Commission on a case-by{asa basis. (Check if Appropriate)
1. Oif/water Separalor Systems consisting only of physical separation, pumps and disposal;
2. Septic Tank/Sand Filler Systems consisting only of septic tanks, dosing apparatus, pumps,sand fillers, disinfection
and direct discharge;
3• Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for
algae or nutrient control, and direct discharge;
4. Closed -loop Recycle Systems;
5- Groundwater Remedialion Systems consisting only of oiVwaler separators, pumps, air -stripping, carbon adsorption, disinfection
and disposal;
6. Aquacullare operations with discharge to surface waters;
7. water Plant sludge handling and back -wash water treatmenl;
9. Seafood processing consisting of screening and disposal.
Single-fami!y discharging -systems, wilt, the exception of Aerobic Treatment Units, will be dassifled if perrnilla'd af!er July 1.
1993 or if upon inspection 6y the Division, it is found that the system is not being adequately operated or maintained. Such
s}'slems will b­- nciified of the classilicalian or reclassilication by the Commission, in wriiing.