WQ0004502_Final Permit_19910503

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27626-0535
James G. Martin, Governor
William W. Cobey, Jr., Secretary
May 3, 1991
Mr. Everett V. Knight, Trustee
Hillsborough United Church of Christ
Post Office Box 337
Hillsborough, North Carolina 27278
George T. Everett, Ph.D.
Director
Subject: Permit No. WQ0004502
Hillsborough United Church of Christ
Spray Irrigation System
Orange County
Dear Mr. Knight:
In accordance with your application received December 11, 1990, we are forwarding
herewith Permit No. WQ0004502, dated May 3, 1991, to Hillsborough United Church of Christ
for the subject spray irrigation system.
This permit shall be effective from the date of issuance until March 31, 1996, 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 to you,
you have the right to request an adjudicatory hearing upon written request within 30 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. Drawer 27447, Raleigh, NC 27611-7447. 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 Ms. Angela Y. Griffin at 9191
733-5083.
cc:
S�ce:
eor�
Orange County Health Department
Raleigh Regional Office
Groundwater Section
Training and Certification Unit
Brunssen Engineering Services, P.A.
Poll w ion Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportuniry Affirmative Action Employer

�
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH 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
Hillsborough United Church of Christ
Orange County
FOR THE
construction and operation of 1,560 GPD consisting of a septic tank, surface sand filters,
chlorination, a 16,000 cubic foot lagoon and a 10,000 square foot spray field with necessary
piping and appurtenances to serve the Hillsborough United Church of Christ with no discharge of
wastes to the surface waters, pursuant to the application received December 11, 1990 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 pan
of this permit.
This permit shall be effective from the date of issuance until March 31, 1996, and shall lac
subject to the following specified conditions and limitations:
I. PERF RMAN E 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. Mail the Certification to the Permits and Engineering Unit, P.O. Box
29535, Raleigh, NC 27626-0535.
2_ The Raleigh Regional Office, phone no. [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 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 theirs 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 Permince shall take such
immediate corrective action to correct the problem, including actions as may be required
by the Division of Environmental Management.

4. The issuance of this permit shall no relieve the Permittee of the responsibility for
damages to surface or groundwaters rifting from the operation of this facility.
5. 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.
6. 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 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,
f) 100 feet between wastewater treatment units and wells,
g) 50 feet between wastewater treatment units and property lines.
8. 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.
II. OPERATION AND MAINTENANCE REQ[JIREMENTS
The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Certification. Commission., the Pezmittee 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 type and grade
at least equivalent to the classification assigned to the wastewater treatment facilities by
the Certification Commission. Once the facility is classified, the Permittee must submit a
letter to the Certification Commission which designates the operator in responsible
charge within thirty days after the wastewater treatment facilities are 50% complete.
3. A suitable natural 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.
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) 9.4 inches/year and b) 0.3 inches/acre/weep.
8. No type of wastewater other than that from Hillsborough United Church of Christ 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.
2

E
III. MONITORINQ AND REPORTING REQUIREMENTS
1. 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.
2. Noncompliance Notification:
The Permittee shall report by telephone to the Raleigh Regional Office,
telephone no. [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 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.
I V . CxRQUNDWATER RE011TREMENTS
1. 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. Following installation and inspection of the lagoon liner,
and prior to waste disposal operations, verification of the liner's compliance with
hydraulic conductivity and thickness specifications must be provided to the Division
of Environmental Management, Groundwater Section, by the project engineer.
2. In the event that heavy equipment is utilized during the installation of a synthetic
liner, the liner must have a minimum thickness of at least 30-mils.
3. The Compliance Boundary for the disposal system is specified by regulations in 15A
NCAC 2L, Groundwater Classificationsand Standards. An exceedance of
Groundwater Quality Standards beyond the Compliance Boundary is subject to the
penalty provisions applicable under General Statute 143-215.b(1)a. The sale of
property, by the Permittee, which is within or contiguous to thedisposal site, may
alter the location of the Compliance Boundary.
K

For facilities permitted on or after December 30, 1983, f: ompliance Boundary is
established at the lesser of 250 feet from the edge of the lagoon and spray irrigation
field, or 50 feet within the property boundary.
If the title to any property which may affect the location of the Compliance Boundary
is changed, the Permittee shall notify the DEM Director within 1.4 days_ The
Director shall then establish a modified Compliance Boundary which will be done as
a modification to the Permit.
The REVIEW BOUNDARY for the disposal system is specified by regulations in
15 NCAC 2L, Groundwater Classifications and Standards. A REVIEW
BOUNDARY is established around disposal systems midway between the
Compliance Boundary and the perimeter of the waste disposal
area. When the concentration of any substance equals or exceeds the maximum
allowable concentration of that substance at the REVIEW BOUNDARY, as
determined by monitoring, the permittee shall either (i) demonstrate, through
predictive calculations or modeling, that natural site conditions, facility design and
operational controls will prevent a violation of standards at the Compliance
Boundary; or, (ii) submit a plan for the alteration of existing site conditions, facility
design or operational controls that will prevent a violation of standards at the
Compliance Boundary, and implement that plan upon its approval by the Director.
4. Any additional groundwater quality monitoring, as deemed necessary by the
Division, shall be provided.
�MRKN KON
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 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.
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 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 permit; or
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, specifications, and other supporting
data.
2

For facilities permitted on or after December 30, 1983, & ornpliance Boundary is
established at the lesser of 250 feet from the edge of the lagoon and spray irrigation
field, or 50 feet within the property boundary.
If the title to any property which may affect the location of the Compliance Boundary
is changed, the Permittee shall notify the DEM Director within 14 days. The
Director shall then establish a modified Compliance Boundary which will be done as
a modification to the Permit.
The REVIEW BOUNDARY for the disposal system is specified by regulations in
15 NCAC 2L, Groundwater Classifications and Standards. A REVIEW
BOUNDARY is established around disposal systems midway between the
Compliance Boundary and the perimeter of the waste disposal
area. When the concentration of any substance equals or exceeds the maximum
allowable concentration of that substance at the REVIEW BOUNDARY, as
determined by monitoring, the permittee shall either (i) demonstrate, through
predictive calculations or modeling, that natural site conditions, facility design and
operational controls will prevent a violation of standards at the Compliance
Boundary; or, (ii) submit a plan for the alteration of existing site conditions, facility
design or operational controls that will prevent a violation of standards at the
Compliance Boundary, and implement that plan upon its approval by the Director.
4. Any additional groundwater quality monitoring, as deemed necessary by the
Division, shall be provided.
V . INSPECTION
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 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 Pert ittee. This log of inspections shall be maintained by
the Pennittee, 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.
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 permit; or
may obtain samples of groundwater, surface water, or leachate.
VI. GENERAL CONDITIONS
1. This permit shall become voidable unless the facilities are constructed in accordance with
the conditions of this pennit, the approved plans, specifications, and other supporting
data.
S

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. 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.
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. Prior to any transfer of this land, a notice shall be given to the new owner that gives full
details of the materials applied at this site.
7. A set of approved plans and specifications for the subject project must be retained by the
Peni-duee for the life of the project.
8. 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).
9. 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.
10. A sign shall be posted near the spray field which indicates that no unauthorized personn is
permitted on the spray field.
Permit issued this the 3rd day of May, 1991
CAROLINA
`George T. aert
Division of Eh -,a
By Authority of
Permit No. WQ0004502
NMENTAL MANAGEMENT COMMISSION
tal Management Commission
5

Permit No. WQ0004502
May 3, 1991
Engineer's Certification
1, , 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 the approved plans and specifications.
Signature
Date
Registration No

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(MISCELLANEOUS UNITS CONTINUED) POINTS
(c) Holding Pond for Effluent Flow Equalization and/or
Stage Discharge . . . . . . . . . . . . . . . . . . 5
�d) Effluent Pumps . . . . . . . . . . . . . . . . . . 3
e In -Plant Pumps (including air lifts). . . . . . . . 2
f) Stand -By Power Supply . . . 3
(g) Thermal Pollution Control Device . . . . . 3
(h) Treatment Processes for Removal of Metal or Cyanide and
other Toxic Materials . . . . .. . . . . . . . . . . 30
Total Points
CLASSIFICATION
GL 5 - 25 Points
Class II . . . . . . . . . . . . . . . 26 - P. nts
Class III . . . . . . . . . . . . . . . 51 - 65 Points
Class IV . . . . . . . . . . . . . . . 66 - Up Points
Facilities having a rating of one through four points, inclusive,
do not require a certified operator. Classification of all other
facilities requires a comparable grade operator in responsible charge.
North Carolina
Civision of Environmental Management
Checklist of Facility Components
To he Osed In Determing Facility Classification
All information will br. printed:
Name of Plant
County
Owner or Contact Person U
Mailing Address' �lx r
Street or .0- Box No. Ton or Zip —
Permit Number Information
NPDES Permit No.
Date Issued
State Permit No.
Date issued
Rated by %i �%�/ /—/ / Reg
Construction Status
Please Check:
Existing Facility
Upgraded Facility
New Facility
If Upgraded or New Facility, Give:
50% Completion Date
100% Completion Date
tonal Office CO`�'C Date 41-2C/ 9/
Operator in Responsible Charge .j-
Grade
Design Flaw of Plant in GPD ���f�� Plant
Class
ITEM
POINTS
(1) PRETREATMENT UNITS (see definition No. 34) . . . . . . . .
2
2) DESIGN FLOW OF PLANT IN GPD (not applicable to non -
contaminated cooling waters and non -discharging systems
0 -- 20,000 . . . . . . . . . . . . . . . . .
20,001 -- 50,000 . . . . . . . . . . . . . . . . . .
2
50,001 -- 100.000 . . . . . . . . . . . . . . . . . .
3
100,001 -- 250,000 . . . . . . . . .. . . . . . .. .
4
250,00I -- 500,000 . . . . . . . . . . . . . . . . . .
5
500,001 -- 11000,000 . . . . . . . . . . . . . . . . . .
8
11000,001 -- 210OO,DOO .
10
2,000,001 (and up) - rate 1 point additional for eacn 200,000
GPD capacity up to a maximum of . . .
30
Design Flow (GPD):
(3) PRELIMINARY UNITS (see definition No. 3
(a) Influent Pumps (including air lift) . . . . . . . . .
3
(b) Bar Screens . . . . . . . . . . . . . . . . . . . . .
1
or
(c) Mechanical Screens, Static Screens or Comminuting
Devices . . . . . . . . . . . . . . . . . . . .
2
(d ) Grit Removal or . . . . _ . . . . . . . . .
1
(e) Mechanical or Aerated Grit Removal . . . . . . .
2
(f) Flow Measuring Device or . . . . . . . . . _ .
1
(g) Instrumented Flow Measurement . . . . . . . . . .
2
-4- Effective
4/1/B7 -1-

ITEM POINTS
(h}
Preaeration or Equalization . . . . . . . . . . . .
I
(1
Grease or. Oil Separators -- Gravity . . . , . . . .
2
Mechanical. . . . . . .
3
Aerated . . . . . . .
5
(j)
Chemical Conditioning . . . . . . . . . . . . . . .
5
(4) PRIMARY
TREATMENT UNITS
(a)
Septic Tank (see definition No. 44) . . . . . . . ,
(b)
Imhoff Tank . . . . . . . . . . . . . . . . . .
3
(c)
Primary Clarifiers (including sludge air lifts) . _
5
d)
Settling Ponds or Settling Tanks for Inorganic Non -
Toxic Materials Involving a Discharge to the Surface
waters (sand, gravel, stone, and other mining operations
except recreational activities such as gem or gold
mining) . . . . . . . . . . . . . . . . . . . . . ..
10
(5) SECONDARY TREATMENT UNITS
(a)
Carbonaceous Stage
(i) Aeration - High Purity Oxygen System . . . .
20
Diffused Air System . . . . . . . .
10
Mechanical Air System (fixed, floating or rotor) 8
Separate Sludge Reneration . . . . . . . . .
3
(ii) Trickling Filter - High Rate _ . . . . . . .
7
Standard Rate . . . _ . .
5
Packed Tower . . . . . . .
5
(iii) Aerated Lagoons . . . . .
10
(iv) Rotating Biological Contactorbiodisc). . .
s (
10
(v) Sand Filters (intermittent biological) . . .
2
(vi Stabilization Lagoons
(vii; Clarifier (including sludge air lifts). . . .
5
(b)
Nitrogenous Stage
(i) Aeration - High Purity Oxygen System. . . . .
20
Diffused Air Systems. . . . .
10
Mechanical Air System (fixed, floating, or rotor)8
Separate Sludge Reneration . . . . . . . .
3
Trickling Filter - High Rate . . . . . . . .
7
Standard Rate . . . . . .
5
Packed Tower. . . . .
5
.(Ili) Rotating Biological Contactors (biodisc) . .
10
(iv) Sand Filter (intermittent biological). . . .
2
(v) Clarifier (including sludge air lifts) . . .
5
(6) TERTIARY OR ADVANCED TREATMENT UNITS
(a)
Activated Carbon Beds - Without Carbon regeneration
5
With Carbon regeneration.
I5
(b)
Powdered or Granular Activated Carbon Feed - Without
Carbon regeneration
5
With Carbon regeneration.
15
(c)
Ammonia Stripping . . . . . . . . . . . . . . . .
18
(d)
Chemical Additions
5
(e)
Oenitrification Process (separate process). . . .
10
(f)
Electrodialysis . . . . . . . . . . . . . . . . .
5
(g)
Foam Separation . . . . . . . . . . . . . . . . .
5
(h)
Ion Exchange . . . . . . . . . . . . . . . . . . .
5
-2-
(7)
(8)
(9)
(10)
ITEM
POINTS
(i)
Land Application (see definition No. 23b) . . . .
-3-
5