WQ0002161_Final Permit_20081205

Q� NN A Tpjq Michael F. Easley, Govemor
�O G William G. Ross Jr., Secretary
�!J ' Nottlt Carolina Department of Environment and Natural Resources
p ra���tat Coleen H. Sullins, Director
Division of Water Quality
December 5, 2008
JOHN MCGOVERN
CAROLINA FRIENDS SCHOOL
4809 FRIENDS SCHOOL ROAD
DURHAM, NC 27705 `
Dear Mr. McGovern:
Subject: Permit No. WQ0002161
Carolina Friends School
Wastewater Surface Irrigation
with Conjunctive Reclaimed
Irrigation
Orange County
In accordance with your permit modification request received June 17, 2008, and subsequent
additional information received August 29, 2008 and November 7, 2008, we are forwarding herewith
Permit No. WQ0002161, dated November 14, 2008, to Carolina Friends School for the construction and
continued operation of the subject wastewater treatment, surface irrigation and conjunctive reclaimed
water utilization. facilities. Modifications incorporated into the permit as part of this issuance include the
installations of a conjunctive reclaimed water utilization system to serve the upper campus.
In particular, please note the following permit conditions:
Permit Description — updated to include reclaimed water utilization system, and well back flush
irrigation system;
Condition. 1.3 — requirement to provide an update site map;
Condition 1.4 — requirement to provide documentation prior to operation of toilet flush system
that applicable plumbing code has been met;
Condition II.6, 7, & 8 — establishes Compliance and Review Boundaries;
Condition 11.11 — updates setback requirements;
Condition H.12 and 13 — automatic rain sensor requirement:
Conditions II.14-18 — requirements for reclaimed water systems;
Condition IV.6 — reclaimed water and well back flush monitoring requirements;
Condition IV.10 — Reporting requirement including reference to NDAR forms previously not
used by the School;
Attachment A — updated to include monitoring requirements for reclaimed water system, and
changes to existing irrigation system monitoring to be implemented upon operation of the
reclaimed utilization system; and
Attachment B — updated to include reclaimed water utilization sites, and well back flush disposal
area.
Npr Carolina
urll ly
Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 Telephone: [phone]
Internet: www.ncwaterquaiity.org Location: 2728 Capital Boulevard Raleigh, NC 27604 Fax 1: [phone]
Fax 2: [phone]
An Equal Opportunity/Affirmative Action Employer— 50% Recycled/ 10% Post Consumer Paper Customer Service: [phone]

This permit shall be effective from the date of issuance until February 28, 2012, shall void Permit
No. WQ0002161 issued March 29, 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.
Please note that the rainwater collections system prior to entering the reuse tank is not
incorporated as part of this permit. 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) that have jurisdiction on the permitting of stormwater.
If any parts, requirements, or limitations contained in this permit arc 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, 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 Jon Risgaard at [phone] or
[e-mail].
Sincerely,
4 H. Sullins
cc: Orange County Health Department
Raleigh Regional Office, Aquifer Protection Section
Victor D'Amato, P.O. Box 14409, 3200 Hwy_ 54. Suite 105, Reasearch Triangle Park, NC 27709
Technical Assistance and Certification Unit
APS Central Files
LAU Files

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
SURFACE 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
Carolina Friends School
Orange County
continued operation of a 4,000 GPD spray irrigation treatment and disposal facility consisting of a 1,000
gallon septic tank, 18 GPM pump station and 150 linear feet of 1.5 inch force main (shop); a 1,500 gallon
septic tank, 22 GPM duplex pump station and 450 linear feet of 2 inch force main (early school, teacher
lounge, resource center and library building); a 1,200 gallon septic tank, 1,500 gallon storage tank -
(converted from an existing septic tank) and 500 linear feet of 2 inch force main (middle school); a 1,000
gallon septic tank, a 18 GPM pump station and 100 linear feet of 1.5 inch force main (center building); a
2,000 gallon septic tank, 23 GPM duplex pump station and 20 linear feet of 2 inch force main
(multipurpose center); a tablet chlorinator, 800 linear feet of 2.5 inch force main, a 66 GPM duplex pump
station, a 70,000 gallon 40 nail VFPE lined storage lagoon, and a 34,636 square foot (0.8 acre) irrigation
field and all associated valves, piping and appurtenances, and;
construction and operation of an estimated 1333 gallon per day (GPD) conjunctive use reclaimed water
utilization system and wastewater treatment upgrades consisting of.
• a 1200 gallon septic tank placed prior to and in series with the existing 1500 gallon septic tank;
• a 2000 gallon duplex pump station with two (2) 51 gallon per minute pumps located after the
septic tanks to divert wastewater either to the existing irrigation system or the conjunctive use
reclaimed treatment system;
• two (2) 500 square foot surface area primary vegetated sand filters (VSF);
• a 611 gallon lift station recirculating wastewater from primary VSF back to the primary VSF;
• a 611 gallon dosing lift station dosing wastewater from primary VSF to the secondary VSF;
• two (2) 250 square foot secondary vegetated sand filters and subsurface wetlands;
• an ultraviolet disinfection system;
• a turbidity meter;
• a 2500 gallon reuse tank;
• school building toilet flush system including tablet chlorinator, 119 gallon pressurized bladder
tank, and associated piping;
• 46,075 square feet of approved reclaimed water irrigation land located at the ball field outfield
and consisting of four (4) irrigation zones with maximum irrigation rates of 0.12 in/hr for Reuse
Zone 1, 0.11 in/hr for Reuse Zone 2, 0.10 in/hr for Reuse Zone 3 and 0.21 in/hr for Reuse Zone 4;
and
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Construction and operation of an estimated 790 gallons/day well back flush irrigation system consisting
of:
a 10 gpm pump with simplex controls
14,826 square feet of approved well backflush irrigation land located at the ball field and
consisting of 2 irrigation zones with maximum irrigation rates of 0.23 in/hr for Zone 1, and 0,13
in/hr for Zone 2,
according to approved plans and specifications to serve Carolina Friends School, with no discharge of
wastes to surface waters, pursuant to the permit modification application received June 17, 2008, with
additional information received August 29, 2008, 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 February 28, 2012, shall void Permit
No. WQ0002161 issued March 29, 2007, and shall be subject to the following specified conditions and
limitations:
1. SCHEDULES [please review the entire permit for reporting, monitoring, and other on -going activities)
Upon completion of construction and prior to operation of this permitted conjunctive use reclaimed
water facility and well back flush irrigation system, a certification (see attached form) 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
including the location of all monitoring wells as applicable. If his 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 Aquifer Protection Section, Division of Water Quality,
1636 Mail Service Center, Raleigh, NC 27699-1636.
2, The Raleigh Regional Office, telephone number [phone], shall be notified at least forty-eight
(48) hours in advance (excluding weekends and holidays) 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. Prior to operation of the conjunctive use reclaimed water system the Permittee shall submit to the
Division an updated site map showing the location of the facility, stray fields, and reclaimed water
utilization areas. The site map shall be of size and format to be easily attached to the permit for future
reference.
4. Prior to operation of the toilet flush facilities installed in the upper campus building the Permittee
shall submit to the Division written documentation that all applicable plumbing code requirements
have been met and that the facility has passed inspection by the appropriate plumbing code inspection
and enforcement agency.
No later than six months prior to the expiration of this permit, the Permittee shall request renewal of
this permit on official Division forms. Upon receipt of the request, the Division will review the
adequacy of the facilities described therein, and if warranted, will renew the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note that Rule 15A
NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal
application.
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U. PERFORMANCE STANDARDS
1. All irrigation systems and reclaimed water utilization facilities shall be effectively maintained and
operated at all times so that there is no discharge to the surface waters, nor any contravention of
groundwater or surface water standards. In the event that the facilities fail to perform satisfactorily,
including the creation of nuisance conditions due to improper operation and maintenance, 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, such as the
construction of additional or replacement wastewater treatment and disposal facilities.
2. The isjuance of this permit shall not relieve the Perrilittee of the responsibility for damages to ground
or surface waters resulting from the operation of this facility.
3. The wastewater collection facilities shall be properly maintained and operated at all times. The
Permittee shall maintain compliance with an individual system -wide collection system permit for the
operation and maintenance of these facilities as required by 15A NCAC 02T .0400. if an individual
permit is not required, the following performance criteria shall be met as provided in 15A NCAC 02T
.0403.
a. The sewer system shall be effectively maintained and operated at all times to prevent discharge to
land or surface waters, and any contravention of the groundwater standards or surface water
standards.
b. A map of the sewer system shall be developed and shall be actively maintained.
c. An operation and maintenance plan shall be developed and implemented.
d. Pump stations that are not connected to a telemetry system shall be inspected every day (Le,, 365
days a year). Pump stations that are connected to a telemetry system shall be inspected at least
once per week.
e. High priority sewers shall be inspected at least once per every six-month period of time.
f. A general observation of the entire sewer system shall be conducted at least once per year.
g. Overflows and bypasses shall be reported to the appropriate Division regional office in
accordance with 15A NCAC 02B .0506(a), and public notice shall be provided as required by
North Carolina General Statute § 143-215.1 C.
h. A grease control program is in place.
i. Right-of-ways and easements are maintained.
j. Inspection and maintenance records shall be maintained for a period of at least three years.
4. Effluent limitations shall not exceed those specified in Attachment A.
5. Application rate(s), whether hydraulic, nutrient, or other pollutant shall not exceed those specified in
Attachment B.
6. The Compliance Boundary for the disposal system is specified by rules in 15A NCAC 02L,
Groundwater Classifications and Standards. This disposal system was individually permitted on or
after December 30, 1983; therefore, the compliance boundary is established at either 250 feet from
the waste disposal area, or 50 feet within the property boundary, whichever is closest to the waste
disposal area. An exceedance of groundwater standards at or beyond the compliance boundary is
subject to remediation action according to 15A NCAC 02L .0106(d)(2) as well as enforcement
actions in accordance with North Carolina General Statute 143-215.6A through 143-215.6C.
7. The 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 action in accordance with 15A NCAC 02L .0106.
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8. The Compliance and Review Boundaries for the reclaimed water utilization areas are established at
the utilization area boundaries. Any exceedance of standards at the Compliance or Review Boundary
shall require action in accordance with 15A NCAC 02L .0106.
9. The Permittee shall apply for a permit modification prior to any sale or transfer of property that
affects a compliance boundary to establish a new compliance boundary.
10. In accordance with 15A NCAC 02L .0107(d), no wells, other than monitoring wells, shall be
constructed within the compliance boundary except as provided by 15A NCAC 02L .0107(g).
11. The facilities permitted herein must be constructed according to the following setbacks: `
a. The setbacks for Irrigation sites (not including reclaimed water irrigation sites) shall be as follows
(all distances in feet):
i. Any habitable residence or place of public assembly under separate ownership: 400
ii. Any habitable residence or place of public assembly owned by the permittee: 200
iii. Any private or public water supply source:
100
iv. Surface waters:
100
v. Groundwater lowering ditches:
100
vi. Surface water diversions:
25
vii. Any well with exception of monitoring wells:
100
viii. Any property line:
150
ix. Top of slope of embankments or cuts of two feet or more in vertical height:
15
x. Any water line from a disposal system:
10
xi. Subsurface groundwater lowering drainage systems:
100
xii. Any swimming pool:
100
xiii.Public right of way:
50
xiv. Nitrification field:
20
xv. Any building foundation or basement:
15
b. The setbacks for Treatment and storage units shall be as follows (all distances in feet):
i. Any habitable residence or place of public assembly under separate ownership: 100
ii. Any private or public water supply source: 100
iii. Surface waters: 50
iv. Any well with exception of monitoring wells: 100
v. Any property line: 50
c. The setbacks for reclaimed water utilization sites shall be as follows (all distances in feet):
i. Surface waters not classified SA: 25
ii. Surface waters classified SA: 100
iii. Any well with exception to monitoring wells 100
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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 that 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 irrigation 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.
12. When the reclaimed water utilization field located at the ball park is dosed by an automated system
(e.g. timers, or float switches) the field shall be connected to a rain or moisture sensor that shall
indicate when wastewater application is not appropriate in accordance with Condition III. 4. and III.
5. of this permit.
13. The well back flush irrigation system shall be connected to a rain or moisture sensor that shall
indicate when wastewater application is not appropriate in accordance with Condition Ill. 4. and III.
5. of this permit.
14. The following shall be requirements for the reclaimed water distribution, storage, and utilization
facilities:
a. All reclaimed water valves, storage facilities, and outlets shall be tagged or labeled to warn the
public or employees that the water is not intended for drinking. Where appropriate, such warning
shall inform the public or employees to avoid contact with the water.
b. All reclaimed water piping, valves, outlets, and other appurtenances shall be color -coded, taped,
or otherwise marked to identify the source of the water as being reclaimed water.
i. All reclaimed water piping and appurtenances shall be either colored purple (i.e., Pantone
522) and embossed or integrally stamped or marked "CAUTION: RECLAIMED WATER —
DO NOT DRINK" or be installed with a purple (i.e., Pantone 522) identification tape or
polyethylene vinyl wrap. The warning shall be stamped on opposite sides of the pipe and
repeated every three feet or less.
ii. Identification tape shall be at least three inches wide and have white or black lettering on
purple (i.e., Pantone 522) field stating "CAUTION: RECLAIMED WATER — DO NOT
DRINK." Identification tape shall be installed on top of reclaimed water pipelines, fastened
at least every 10 feet to each pipe length and run continuously the entire length of the pipe.
iii. Existing underground distribution systems retrofitted for the purpose of distributing
reclaimed water shall be taped or otherwise identified as noted above. This identification
need not extend the entire length of the distribution system, but shall be incorporated within
10 feet of crossing any potable water supply line or sanitary sewer line.
c. All reclaimed water valves and outlets shall be of a type, or secured in a manner, that permits
operation by authorized personnel only.
d. Above -ground hose bibs (i.e., spigots or other hand -operated connections) shall not be present.
Hose bibs shall be located in locked below -grade vaults that shall be clearly labeled as being of
non potable quality. As an alternative to the use of locked below -grade vaults with standard hose
bibs services, hose bibs, which can only be operated by a special tool or connected to a special
hose connection, may be placed in non -lockable underground services boxes clearly labeled as
non -potable water.
15. The Permittee shall maintain an active cross -connection control program that shall have the following
minimum requirements:
a. No direct cross -connections shall be allowed between the reclaimed water and potable water
systems.
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b. A reduced pressure principle backflow preventer, an approved air gap separation, or other device
approved by the Division of Environmental Health shall be installed at the potable water service
connection to the use area where both reclaimed water and potable water are supplied to a
reclaimed water use area. The installation of the reduced pressure principle backflow prevention
device shall allow proper testing.
c. An air gap separation, approved and regularly inspected by the Permittee shall be provided
between the potable water and reclaimed water systems where potable water is used to
supplement a reclaimed water system.
16. Reclaimed water distribution lines shall be located 10 feet hprizontally from and 18 inches below any
water line where practicable. Where these separation distances cannot be met, the piping and integrity
testing procedures shall meet water main standards in accordance with 15A NCAC 18C.
17. Reclaimed water distribution lines shall not be less than 100 feet from a well unless the piping and
integrity testing procedures meet water main standards in accordance with 15A NCAC 18C, but no
case shall they be less than 25 feet from a private well or 50 feet from a public well.
18. Reclaimed water distribution lines shall meet the separation distances to sewer lines in accordance
with Rule .0305 of Subchapter 02T.
M. OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times. 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. The Permittee shall maintain an Operation and
Maintenance Plan pursuant to 15A NCAC 02T .0507 including operational functions, maintenance
schedules, safety measures, and a spill response plan.
2. Upon classification of the wastewater treatment and 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 08G .0200. The ORC shall visit
the facilities in accordance with 15A NCAC 08G .0200 or as specified in this permit and shall comply
with all other conditions specified in these rules.
3. On irrigations sites, a suitable year round vegetative cover shall be maintained such that crop health is
optimized, allows for even distribution of effluent, and allows inspection of the irrigation system.
4. Adequate measures shall be taken to prevent wastewater ponding or runoff from the irrigation field
and the reclaimed water utilization field.
5. irrigation of wastewater or reclaimed waster shall not be performed during inclement weather or
when the ground is in a condition that will cause ponding or runoff.
6. Application of waste activities shall not occur when the vertical separation between the depth of
application and the water table is less than one foot.
7. All wastewater and reclaimed water application equipment must be tested and calibrated at least once
per permit cycle. Records of the calibration must be maintained for five years.
8. No type of wastewater or reclaimed water other than that from Carolina Friends School as allowed in
this permit shall be irrigated 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.
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10. Public access to the land application sites and the reclaimed water utilization sites shall be controlled.
Such controls may include the posting of signs showing the activities being conducted at each site.
11. The residuals generated from these treatment facilities roust be disposed / utilized in accordance with
15A NCAC 02T .1100. The Permittee shall maintain a residual management plan pursuant to 15A
NCAC 02T .0508.
12. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited.
13. Freeboard in the lagoon shall not be less than two (2) feet at any time.
r
14. A waste -level gauge, to monitor waste levels in the lagoon, shall be provided. This gauge shall have
readily visible permanent markings indicating the maximum liquid level at the top of the temporary
Iiquid storage volume, minimum liquid level at the bottom of the temporary liquid storage volume,
and the lowest point on top of the dam elevations. Caution must be taken not to damage the integrity
of the liner when installing the gauge.
15, A protective vegetative cover shall be established and maintained on all earthen basin embankments
(outside toe of embankment to maximum allowable temporary storage elevation on the inside of the
embankment), 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.
16, The chlorine tablets used in the disinfection facility shall be of the kind and type specified in
the plans and specifications approved by the Division.
IV. MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed
necessary by the Division to ensure surface and ground water protection will be established and an
acceptable sampling reporting schedule shall be followed.
2. All laboratory analyses for effluent, ground waters, or surface waters shall be made by a laboratory
certified by the Division for the required parameter(s) under 15A NCAC 02H .0800.
3. Flow through the treatment facility shall be continuously monitored and daily average flow values
shall be reported on Form NDMR. Flow may be estimated from water use records provided water
use is metered. Daily average values shall be calculated by dividing monthly flow volume by the
number of days in the month.
4. The effluent from the subject facilities shall be monitored by the Permittee at the frequencies and
locations for the parameters specified in Attachment A.
5, The Permittee tracking the amount of wastewater disposed (not reclaimed water utilization) shall
maintain adequate records. These records shall include, but are not necessarily limited to, the
following information:
a. Date of irrigation,
b. Volume of wastewater irrigated,
c. Field irrigated,
d. Length of time field is irrigated,
e. Continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for each field,
f. Continuous monthly and year-to-date loadings for any non -hydraulic parameter specifically
limited in Attachment B for each field,
g. Weather conditions, and
h. Maintenance of cover crops.
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6. The Pemuttee tracking the amount of reclaimed water and well
maintain adequate records. These records shall include, but are
following information:
a. Volume of reclaimed water irrigated per month;
b. Volume of reclaimed water utilized for toilet flushing per month;
c. Volume of well back flush water irrigated per month;
back flush water applied shall
not necessarily limited to, the
7. Freeboard (waste level to the lowest elevation on the top of the embankment) in the lagoon shall be
recorded weekly.
8. A record shall be maintained of all residuals removed from this facility. This record shall include the
name of the hauler, permit authorizing the disposal or a letter from a municipality agreeing to accept
the residuals, date the residuals were hauled, and volume of residuals removed.
9. A maintenance log shall be maintained at this facility including but not limited to the following items:
a. Visual observations of the plant and plant site.
b. Record of preventative maintenance (changing of filters, adjusting belt tensions, alarm testing,
diffuser inspections and cleanings, etc.).
c. Date of calibration of flow measurement device.
d. Date and results of power interruption testing on alternate power supply.
10. Three (3) copies of all monitoring data [as specified in Conditions IV. 3. and IV. 4.] on Form NDMR
for each PPI and three (3) copies of all operation and disposal records [as specified in Conditions IV.
5 and IV. 6.] on Forms NDAR-1 (wastewater Irrigation fields) or NDAR -3 (conjunctive reclaimed
utilization sites) for every field or reclaimed use shall be submitted on or before the last day of the
following month. If no activities occurred during the monitoring month, monitoring reports are still
required documenting the absence of the activity. All information shall be submitted to the following
address:
Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
11. An annual representative soils analysis (Standard Soil Fertility Analysis) shall be conducted on each
irrigation field (not including reclaimed water utilization areas) 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
Manganese
Potassium
Calcium
Percent Humic Matter
Sodium
Copper
pH
Zinc
Magnesium
Base Saturation (by calculation)
Phosphorus
Cation Exchange Capacity
Exchangeable Sodium Percentage
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12. Noncompliance Notification.
The Permittee shall report by telephone to the Raleigh Regional Office, telephone number (919) 791-
4200, 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 including ponding in the irrigation field or runoff
from the irrigation fields.
•
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 pun-Lps, aerators,
compressors, etc.
c. Any failure of disposal system resulting in a by-pass directly to receiving waters.
d. Any time that self -monitoring information indicates that the facility has gone out of compliance
with its permit limitations including, but not limited to, freeboard measurements, effluent
limitations, exceedances of groundwater standards, or overloading of any field.
For any emergency that requires immediate reporting (e.g., discharges to surface waters, imminent
failure of a storage structure, etc.) outside normal business hours must be reported to the Division's
Emergency Response personnel at telephone number [phone], [phone], or (919) 733-
3300. 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.
V. INSPECTIONS
1. Adequate inspection and maintenance shall be provided by the Permittee to ensure 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 five years from the date of the inspection and shall be
made available upon request to the Division or other permitting authority.
3. 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
1. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee
to an enforcement action by the Divisions in accordance with North Carolina General Statute 143-
215.6A to 143-215.6C.
2. 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.
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3. This permit is effective only with respect to the nature and volume of wastes described in the
application and other supporting data. No variances to applicable rules governing the construction
and / or operation of the permitted facilities are granted unless specifically requested and granted in
this permit.
4. 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) that have jurisdiction. Of particular concern to the Division are applicable river buffer
rules in 15A NCAC 02B .0200, erosion and sedimentation control requirements in 15A NCAC
Chapter 4 and under the Division's General Permit NCG010000, and any requirements pertaining to
wetlands under 15A NCAC 02B .02N and 02H .0500.
5. 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 on official Division form(s),
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. The
Permittee of record shall remain fully responsible for compliance until a permit is issued to the new
owner.
The Permittee shall retain a set of approved plans and specifications for the life of the facilities
permitted herein.
7. The Permittee shall maintain this permit until all permitted facilities herein are properly closed or
permitted under another permit issued by the appropriate permitting authority.
8. The Permittee must pay the annual fee 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
pursuant to 15A NCAC 02T .0105(e).
Permit issued this the 5 h of December, 2008
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
r lee . Sullins, Director
Divisi n of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0002161
WQ0002161 Version 3.1 Shell Version 080827 Page 10 of 11

Permit No. WQ0002161
1?/5/?008
ENGINEER'S CERTIFICATION
Partial Final
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 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.
WQ0002161 Version 3.1 Shell Version 080827 Page 11 of i I

This Page Blank
WQ00021161 Version 3.1 Shell Version 080827 Page 12 of 11

ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS
Permit Number: WQ0002161 Versiou:.5.I
PPI 001 — WWTF Influent
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Parameter Description - PCS Code
Monthly Average
Weekly Average
Daily Maximum
Measurement
Frequency
Sample
Type
Flow, in conduit or thru treatment plant - 50050
4,000
gpd
Monthly
Estimate
PPI 002 — WWTF Effluent (prior to reclaimed expansion)
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Parameter Description - PCS Code
Monthly Average
Weekly Average
Daily Maximum
Measurement
Frequency
Sample
Type
Flow, in conduit or thru treatment plant - 50050
Monthly
Estimate
Coliform, Fecal MF, M-FC Broth.44.5C - 31616
3 X year'
Grab
Solids, Total Suspended - 00530
3 X year'
Grab
Nitrogen, Ammonia Total (as N) - 00610
3 X year
Grab
Nitrogen, Kjeldahl, Total (as N) - 00625
3 X year'
Grab
Nitrite plus Nitrate Total 1 DET. (as N) - 00630
3 X year`
Grab
Phosphorus, Total (as P) - 00665
3 X year'
Grab
BOD, 5-Day (20 Deg. C) - 00310
3 X year'
Grab
pH - 00400
j
Daily (weekdays)
Grab
The effluent pll shall not he less than 6.0 standard units nor greater than 9.0 standard units.
' 3 X Year sampling shall be conducted March. July, and November
WQ0002) 161 Version y. 1 Attachment A Page 1 of

ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS Permit Number: WQ0002161 Version: 3.1
PPI 003 — Conjunctive Reclaimed Water Utilization (monitoring required upon completion and start-up of conjunctive use reclaimed water
system)
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Parameter Description - PCS Code
Monthly Average
Weekly Average
Daily Maximum
Measurement
Frequency
Sample
Type
BOD, 5-Day (20 Deg. C) - 00310
(0
mg/l
15
mg/1
4 X year'
Composite
Solids, Total Suspended - 00530
5
mg/l
10
mg/1
4 X year'
Composite
Nitrogen, Ammonia Total (as N) - 00610
4
mg/l
6
mg/1
4 X year'
Composite
Solids, Total Dissolved - 70295
3 X year'
Grab
Chloride (as Cl) - 00940
3 X year'
Grab
Nitrite plus Nitrate Total I DET. (as N) - 00630
4 X year'
Grab
Coliform, Fecal MF, M-FC Broth,44.5C - 31616 (geoni.mean)
I4
mpn1l00
ml
25
mp11/100
ml
4 Xyear2
Grab
Flow, in conduit or thru treatment plant - 50050
Continuous
Recorder
Turbidity, HCH Turbidimiter - 00076
10
iltu
Continuous
Recorder
pH - 00400
6.0-9.0'
S.U.
Daily (weekdays)
Grab
'The effluent pll shall not be less than 6.0 standard units nor greater than 9.0 standard units.
34 X year sampling shall be conducted in January, April, July. and October
' 3 X Year sampling shall be conducted Ruivary, April, and July
WQ00021, ,ersion 3.1 Attachment A e 2 of

ATTACRivIENT A - LIMITATIONS AND MONITORING REQUIREMENTS Permit Number: WQ0002161 Version: 3.1
PPI 004 -- WWTF Effluent (monitoring required upon utilization of reclaimed water system)
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Parameter Description - PCS Code
Monthly Average
Weekly Average
Daily Maximum
Measurement
Frequency
Sample
Type
Nitrogen, Ammonia Total (as N) - 00610 -
4 X year 2
Composite
Nitrite plus Nitrate Total 1 DET. (as N) - 00630 -
4 X year'
Composite
BOD, 5-Day (20 Deg. C) - 00310 -
4 X year 2
Composite
Solids, Total Suspended - 00530 -
4 X Xear'
Composite
Flow, in conduit or thrri treatment plant - 50050
Monthly
Estimate
Solids, Total Dissolved - 70295 -
3 X year'
Grab
Chloride (as Cl) - 00940 -
3 X year'
Grab
Coliform, Fecal MF, M-FC Broth,44.5C - 31616 -
4 X year'
Grab
pH - 00400
6.040 4
S.U.
Daily (weekdays)
Grab
1 The effluent pll shall not be less than 6.0 standard units nor greater than 9.0 standard units.
4 X year sampling shall he conducted in January April, July. and October
' 3 X Year sampling shall be conducted January. April, and July
PPI 005 — Well backtlush Irrigation system (monitoring required upon utilization of well back flush irritation system)
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Parameter Description - PCS Code
Monthly Average
Weekly Average
Daily Maximum
Measurement
Frequency
Sample
Type
Flow, in conduit or thru treatment plant — 50050
790
gpd
Continuous
Recorder
Iron, Total (as Fe) — 01045
Annually
Grab
Chloride (as Cl) — 00940
Annually'
Grab
Annual sampling shall be conducted in April.
WQ0002161 Version _ 1 Attachment A Page 3 of 4

ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS Permit Number: WQOOO2161 Version: 3.1
M
THIS PAGE BLANK
WQ00021, ."crsioii 3.1 Attachment A e 4 of4

ATTACHMENT B - APPROVED LAND APPLICATION SITES AND LIMITATIONS
Permit Number: WQ0002161 Version: J.1
Carolina Friends School Wastewater Irrigation System
R
UTILIZATION AREA INFORMATION
APPLICATION LIMITATIONS
Field/
Basin
Owner
County
Latitude
Longitude
Net
Acreage
Dominant
Soil Series
Parameter
Rate
Yearly
max
Units
01
Carolina Friends School
Orange
36000'24"
79001'30"
0.8
Spray Irrigation- Application Rate
0.25
In/hr
52
inches
Total
0.8
Carolina Friends School Conjunctive Reclaimed Water Utilization System
UTILIZATION AREA INFORMATION
APPLICATION LIMITATIONS
Field/
Owner
User Facility Name
County
Latitude
Longitude
Net
Permit Number
Parameter
hourly
Yearly
Basin
Acreage
Precipitation
Precipitation
RW-01
Carolina Friends School
Ball Field irrigation
Orange
36'00'19"
79001'26"
1.06
WQ0002161
.—Irrigation
Application Surface
See footnote I
See footnote 2
Application
RK'-02
Carolina Friends School
Toilet Flush
Orange
36'00'19"
79*0I26"
VA
WQ0002161
reclaimed Water
NIA
N/A
utilization
1. Precipitation rates are as follows; Reuse Zone I = 0.12 in/hr, Reuse Zone 2 = 0.11 in/fir, Reuse Zone 3 = 0.10 in/hr. Reuse Zone 4 = 0.21 in/hr
2. Irrigation rates are limited by the water needs of the irrigation turf without any runoff:
Carolina Friends School Well Backt]ush System
UTILIZATION AREA INFORMATION
APPLICATION LIMITATIONS
Field/
Basin
Owner
User Facility Name
County
Latitude
Longitude
Net
Acreage
Permit Number
Parameter
hourly
Precipitation
S'earfv
Precipitation
BF-01
Carolina friends School
Hall Field Irrigation
Orange
36`00'17"
79'01'25"
0.34
V4Q0002161
Application Surface
Irrigation
See footnote 1
See footnote 2
I. Precipitation rates are as follows; Backftush Zone I — 0.23 in/ltr, Backflusli Zone 2 = 0.13 in/hr.
2. Irrigation rates are limited by the water needs of the irrigation turf without any runoff.
WQ0002 161 Version 3.1 Attachment B Page I of I