WQ0017064_Final Permit_19990817

date of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
Kerr T. Stevens, Director
August 17, 1999
Mr. Robert K. Fisher, P.E., Director
Department of Public Works and Utilities
Town of Cary
Post Office Boa 8005
Cary, North Carolina 27512-8005
Dear Mr. Fisher:
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NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: Permit No. WQ0017064
Town of Cary
North Cary Water Reclamation Facility
Bulk Reclaimed Water
Distribution Program
Wake County
In accordance with your application received July 1, 1999, we are forwarding herewith Permit No.
WQ0017064, dated August 17, 1999, to the Town of Cary for the construction and operation of a bulk
reclaimed water distribution program from the North Cary Water Reclamation Facility.
This permit shall be effective from the date of issuance until July 31, 2004 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 fixture 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 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.
If you need additional information concerning this matter, please contact Ms. Shannon Mohr Thornburg
at [phone], extension 353.
Since ,
Kerr T. T. Stevens
cc: Wake County Health Department
Raleigh Regional Office, Water Quality Section.
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit
NPDES Unit
Camp, Dresser & McKee, Inc.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] Fax [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
BULK RECLAIMED WATER DISTRIBUTION PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable haws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Town of Cary
Wake County
FOR THE
construction and operation of a 100,000-GPD bulk reclaimed water distribution program and all associated
facilities at the North Cary Water Reclamation Facility (NPDES Permit No. NC048879). Bulk reclaimed
water, following treatment and testing according to the water reclamation facility's existing NPDES permit
and the conditions provided herein, may be manually distributed from a two-inch hose connected to a quick -
connect coupling and gate valve tapped onto an existing four -inch non -potable water line that serves the water
reclamation facility. All reclaimed water distributed must be measured and recorded by a flow metering
device. Bulk reclaimed water may only be distributed to approved trucks and drivers for the following uses:
sewer line flushing, street sweeping, irrigation of landscapes not intended for human consumption, and
construction uses such as soil compaction, dust control, and asphalt reclamation. The bulk reclaimed water
distribution program shall be operated such that no discharge of wastes to surface waters occurs, pursuant to
the application received July 1, 1999 and in conformity with the project plans, 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 July 31, 2004 and shall be subject to the
following specified conditions and limitations:
I. PERFORMANCE STANDARDS
I. Upon completion of the first week of operation of the bulk reclaimed water distribution program
and facilities, a certification must be received from a professional engineer certifying that the
permitted facility has been installed, operated, and managed in accordance with this permit, the
approved plans and specifications, and other supporting materials. 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 48 hours
in advance of the first day of operation of the bulk reclaimed water distribution program and
facilities so that an inspection of the facilities can be made and operation of the program may be
observed. 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 bulk reclaimed water distribution program and 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 program
and/or facilities fail to perform satisfactorily, including the creation of nuisance conditions or
failure of the application areas 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 reclaimed water
treatment facilities or cessation of the operation of the bulk reclaimed water distribution program.
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 the bulk reclaimed water distribution
program and facilities.
The Permittee shall maintain a spill prevention, countermeasures, and control plan for the water
reclamation facility as well as for the bulk reclaimed water distribution program.
Diversion or by of the untreated wastewater from the reclaimed water treatment facilities is
prohibited.
The bulk reclaimed water distribution main isolation/operating valve shall be located in a below -
grade vault which shall be labeled as being of non potable quality. The facilities shall be
accessible and operated by authorized personnel only.
The Permittee shall approve all tank trucks for participation in the bulk reclaimed water
distribution program prior to distribution of reclaimed water. Tank trucks shall meet the following
minimum criteria:
a. Tank trucks and other equipment used to distribute reclaimed water shall be clearly identified
with advisory signs.
b. Tank trucks used to transport reclaimed water shall not be used to transport potable water that
is used for drinking or other potable purposes.
c_ Tank trucks used to transport reclaimed water shall not be filled through on -board piping or
removable hoses that may subsequently be used to fill tanks with water from a potable water
supply.
d. Tank trucks used to transport septage, raw wastewater, or wastewater residuals shall not be
used to transport reclaimed water.
9. The Permittee shall approve tank truck drivers for participation in the bulk reclaimed water
distribution program prior to distribution of reclaimed water. In addition, the Permittee shall
provide bilingual (English and Spanish) training to all tank truck drivers approved to participate in
the bulk reclaimed water distribution program at a regular frequency. These sessions shall provide
training on, but not limited to, the following topics:
a. Reclaimed water description and safety,
b_ Approved and disapproved uses of reclaimed water,
c. Procedures for the application (including buffer maintenance), uses, and storage of reclaimed
water as well as the disposal of unused reclaimed water,
d. Procedures for spill prevention, countermeasures, and control as well as notification
requirements,
e. Personal safety and hygiene issues, and
f Interaction with the general public.

10. The following uses of reclaimed water shall be strictly forbidden by the Permittee:
a. Irrigation of direct food crops,
b. Filling of swimming pools, hot tubs, or similar uses,
c. Use as a raw potable water supply, and
d. Use after 72 hours of storage.
The following uses of reclaimed water distributed through the bulk reclaimed water distribution
program shall be approved:
a. Sewer line flushing, `
b. Street sweeping,
c. Landscape irrigation, and
d. Construction uses such as soil compaction, dust control, and asphalt reclamation.
All other uses for reclaimed water shall not be allowed by the Permittee. In the event there is a
desire for the permitting of additional uses, a formal permit modification request must be
submitted to the Division accompanied by an application fee 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.
11. The following buffers shall be maintained during application of reclaimed water distributed
through the bulk reclaimed water distribution program:
a. 100 feet between wetted areas and water supply wells,
b. 10 feet between wetted areas and non -potable well,
c. 100 feet between wetted areas and waters classified as SA including wetlands as delineated
and designated by the appropriate state or federal agency, and
d. 25 feet between wetted areas and surface waters not classified as SA including wetlands as
delineated or designated by the appropriate state or federal agency or any swimming pool.
12. Public access to the application sites and contact with reclaimed water shall be controlled during
reclaimed water distribution and use. Such controls may include public meetings, publication of
notices in Iocal newspapers, notification through television and radio news programs, as well as
distribution of the bilingual educational flyers.
II. OPERATION AND MAINTENANCE REQUIREMENTS
The bulk reclaimed water distribution program and facilities shall be properly maintained and
operated at all times.
2. Upon classification of the reclaimed water facility by the Water Pollution Control System
Operators Certification Commission (WPCSOCC), the Permittee shall employ a certified
wastewater treatment plant operator to be in responsible charge (ORC) of the reclaimed water
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 WPCSOCC.
The Permittee must also employ a certified back-up operator of the appropriate type and grade to
comply with the conditions of 15A NCAC 8A .0202. The ORC of the facility must visit each
Class I facility at least weekly and each Class 11, 1II, and W 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 15A NCAC 8A .0202. The ORC of
the reclaimed water facility shall be responsible for the operation of the bulk reclaimed water
distribution program and facilities as well.
3. A certified operator of a grade equivalent or greater than the water reclamation facility shall be on
call 24 hours per day.

4. Bulk reclaimed water shall not be distributed for land -based uses nor shall reclaimed water be
used for land -based activities during inclement weather or when the ground is in a condition that
will cause runoff
5. The Permittee shall implement adequate measures to prevent reclaimed water runoff from the
application areas.
6. The bulk reclaimed water distribution program and facilities shall be effectively maintained and
operated as a non -discharge system to prevent the discharge of any reclaimed water resulting from
the operation of the program and its associated facilities_ `
7. No type of reclaimed water other than that from North Cary Water Reclamation Facility shall be
distributed through the bulk reclaimed water distribution program and facilities.
8. All wastewater shall either be routed to the headworks of the reclaimed water facility or
discharged in strict accordance with the conditions of the facility's existing NPDES permit should
the limit for fecal coliform (daily maximum concentration of 25 per 100 ml) or turbidity
(instantaneous maximum of 10 NTU) be exceeded, until such time that the levels have stabilized
below these maximum levels.
9. All reclaimed seater distributed, but not used within a period not to exceed 72 hours from the time
of distribution, shall be reintroduced at the headworks of the reclaimed water facility for treatment.
III. 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. As an indicator of proper operation and maintenance, the water reclamation facility shall produce an
effluent in compliance with the following limitations'
Parameter Monthly Averagea Daily (Instantaneous) Maximum c
Distributed Flow
CBOD; (5-day, 20°C)
Nf3asN
TSS
Fecal Coliform
Turbidity
10 mg/1
4 mg/l
5 mg/1
b
14 per 100 ml
100,000 GPD
15 mg/1
6 mg/l
10 mg/1
25 per 100 ml
10 NTU
a
Monthly averages for all but fecal coliform shall be the arithmetic mean of all samples
collected during the reporting period.
b
Monthly average for fecal coliform shall be the geometric mean of all samples collected during
the reporting period.
Daily maximum shall be the maximum value of all samples collected during the reporting
period.
4

The effluent from the subject facilities shall be monitored, by the Permittee, at the point prior to
discharge to the bulk reclaimed water distribution facilities for the following parameters:
Parameter Sampling Point Sampling Frequency T)pe of Sam -le,
Distributed FIow Effluent
Turbidity Effluent
CBODS (5-day, 20°C) Effluent
NH3 as N Effluent
As Distributed Recording
Continuous Recording
Daily Composite
Daily Composite
TSS Effluent Daily Composite
Fecal Coliform Effluent Daily Grab
The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
3. The Permittee shall maintain applications of all approved tank trucks and drivers on file for the
duration, not less than one year, that the driver participates in the bulk reclaimed water distribution
program.
4. Adequate records shall be maintained by the Permittee that tracks the amount bulk reclaimed water
distributed. These records shall include, but are not necessarily limited to the following information:
a. Date and time of distribution,
b. Volume of reclaimed water distribution,
c. Intended uses of reclaimed water,
d. Locations of intended uses,
e. Names and approval status of truck operators,
f. Approval status of trucks,
g. Compliance status of the water reclamation facility, and
h. Weather conditions.
5. Three copies of all operation and distribution records (as specified in Condition Ill. 4.) shall be
submitted on the "Town of Cary NCWRF Bulk Reclaimed Water Distribution Program Daily
Monitoring Report" form attached to this permit and made a part thereof on or before the last day
of the month following the month that was monitored. Three copies of all effluent monitoring data
(as specified in Condition III. 2.) on Form NDMR-I shall be submitted on or before the Iast day of
the month following the month that was monitored. All information shall be submitted to the
following address:
NC Division of Water Quality
Water Quality Section
Non -Discharge Compliance/Enforcement Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
6. 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 occurrence at the water reclamation 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 spill of reclaimed water from the bulk reclaimed water distribution facilities during
filling, from tank trucks during transport, or from tank trucks during application. `
e. 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 five 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 ensure
proper operation and management of the bulk reclaimed water distribution program and facilities.
2. The Permittee or his designee shall inspect the reclaimed bulk water distribution program and
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 Ieast 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 or other
permitting authority.
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 bulk reclaimed
water distribution program or facilities 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 voidable unless the bulk reclaimed water distribution program and
facilities are constructed and operated 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 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 in accordance with North Carolina General
Statute 143-215.6A to 143-215.6C.
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. 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).
7. The Permittee, at least six 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.
The Permittee, within 12 months following issuance of this permit, shall modify NPDES Permit
Number NCO048879 issued to the North Cary Water Reclamation Facility. The modification shall
amend the existing NPDES permit to allow the conjunctive use of reclaimed water as provided for
in this permit.
This permit in no way negates, precludes, or invalidates NPDES Permit Number NC0048879, and
the Permittee shall continue to comply with all conditions provided for therein.
Permit issued thisyeventeenth day of August, 1999
NO AROLIN N. NMENTAL MANAGEMENT COMMISSION
Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0017064

Permit No. WQOO 17064
August 17, 1999
ENGINEER'S CERTIFICATION
Partial Final
I, _ , as a duly registered Professional Engineer in the State of
North Carolina, having been authorized to observe (periodically, weekly, full tune) the construction and
operation 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 and operation such that it was observed to be conducted within substantial
compliance and intent of this permit, the approved plans and specifications, and other supporting materials.
Signature
Date
Registration No.

BULK RECLAIMED WATER DISTRIBUTION PROGRAM
TOWN OF CARY NCWRF
DAILY MONITORING REPORT
Permit#€: WQ0017064 Date: M T W TH F S SU
Time of
Distribution
Truck
Operator
Customer
Intended
Use
# Gallons
Received
Training
Completed
Appropriate
Signage on
Truck
Disinfectant
Added
WWTP
Compliance
Status
Notes
TOC Operator (s):