WQ0020409_Final Permit_20070322

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Michael F. Easley, Governor
William G. Ross Jr., Secretary
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North Carolina Department of Environment and Natural Resources
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Alan W. Klimek, P.E. Director
Division of Water Quality
March 22, 2007
Howard D. Crisp
Public Utilities Director
P.O. Box 590
Raleigh, North Carolina 27602
Subject: Permit No. WQ0020409
Little Creek Wastewater Treatment and
Reclaimed Water Utilization System
Wake County
Dear Mr. Crisp:
In accordance with your modification request received September 22, 2006, and subsequent
information received February 12, 2007, we are forwarding herewith Permit No. WQ0020409, dated
March 22, 2007, to the City of Raleigh for the continued operation of the subject wastewater treatment
and reclaimed water utilization system. The purpose of this modification is to transfer the permit from the
Town of Zebulon to the City of Raleigh, and to change the facility name from the Town of Zebulon
Wastewater Treatment and Reclaimed Water Utilization System to the Little Creek Wastewater
Treatment and Reclaimed Water Utilization System.
This permit shall be effective from the date of issuance until January 31, 2012, shall void Permit
No. WQ0020409 issued January 12, 2005, and shall be subject to the conditions and limitations as
specified therein. Please pay particular attention to the monitoring requirements in this permit. Failure to
establish an adequate system for collecting and maintaining the required operational information will
result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the
North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service
Center, Raleigh, NC 27699-6714. Unless such demands are made this permit shall be final and binding.
6187.
If you need additional information concerning this matter, please contact Lori Veal at (919) 715-
Sincere] ,
,,clan W. Klimek, P.E.
cc: Wake County Health Department
Raleigh Regional Office, Aquifer Protection Section
Aquifer Protection Central Files
LAU Files
Nami Caro ma
evaWrallY
Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 Phone [phone] Customer service
Internet: www.ncwaterquality.org 2728 Capital Boulevard Raleigh, NC 27604 FAX [phone]
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NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
WASTEWATER TREATMENT AND RECLAIMED WATER UTILIZATION 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
The City of Raleigh
Wake County
FOR THE
continued operation of a 250,000 gallon per day (GPD) reclaimed water generation and distribution
system, consisting of one (1) reclaimed water pump station with duplex 500 gallon per minute (GPM), 50
horsepower (hp) vertical turbine pumps and one (1) 250 GPM, 25 hp submersible motor -driven vertical
turbine jockey pump with an audio and visual high-water alarm; a telemetry system; turbidity monitor and
supervisory control and data acquisition (SCADA) system; approximately 850 linear feet of 3-inch and
4,600 linear feet of 12-inch reclaimed water force main with an associated air release valve;
approximately 150 linear feet of 24-inch steel casing with 12-inch reclaimed water force main;
approximately 700 linear feet of 3-inch reclaimed water force main; approximately 1,316 linear feet of
8-inch gravity sewer with associated manholes; approximately 50 linear feet of 16-inch steel casing with
8-inch gravity sewer; and one (1) 250,000-gallon elevated reclaimed water storage tank, and all associated
appurtenances for the storage and distribution of reclaimed quality effluent; the
continued operation of an existing 10,500 GPD reclaimed water utilization system which includes a
meter, backflow preventer, and 3.2 acres of wetted spray field located in the Town of Zebulon's Five
County Stadium; and the
authorization for the City of Raleigh to review, and approve as appropriate, new irrigation and
industrial cooling water (contact and non -contact) users of the Little Creek Wastewater Treatment and
Reclaimed Water Utilization System with no discharge of wastes to the surface waters, pursuant to the
request for permit modification request received September 22, 2006 and subsequent additional
information received by the Division, 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 January 31, 2012, shall void Permit No. WQ0020406 issued January 12, 2005, and shall be subject
to the following specified conditions and limitations:

I. PERFORMANCE STANDARDS
The 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 contamination of ground waters, which
will render them unsatisfactory for normal use. In the event that the facilities fail to perform
satisfactorily, including the creation of nuisance conditions or failure of the irrigation area to
adequately assimilate the wastewater, the Permittee shall take immediate corrective actions
including those actions that may be required by the Division of Water Quality (Division), such as
the construction of additional or replacement wastewater treatment and disposal facilities,
2. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to
surface water or ground water resulting from the operation of this facility.
The residuals generated from these treatment facilities must be disposed in accordance with
General Statute 143-215.1 and in a manner approved by the Division.
4. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited.
5. The following buffers shall be maintained:
a. 100 feet between wetted areas and water supply wells,
b. 100 feet between wetted areas and waters classified as SA,
c. 25 feet between wetted areas and surface waters not classified as SA,
d. 100 feet between wastewater treatment units and wells,
e. 50 feet between reclaimed water storage/irrigation ponds and property lines, and
f. 50 feet between wastewater treatment units and property lines.
6. Public access to the reclaimed water treatment, storage, and distribution facilities as well as
contact with reclaimed water shall be controlled during reclaimed water use. Such controls may
include fencing, signage, as well as various educational materials/programming.
7. 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.
c. All reclaimed water valves and outlets shall be of a type, or secured in a manner, that permits
operation by authorized personnel only.
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d. Above -ground hose bibs (i.e., spigots or other hand -operated connections) shall not be
present. Hose bibs shall be located in Iocked 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.
The Permittee shall maintain an active cross -connection control program for the Little Creek
Reclaimed Water Utilization System and all associated facilities that shall have the following
minimum requirements:
a. No direct cross -connections shall be allowed between the reclaimed water and potable water
systems.
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
9. The following uses of reclaimed water distributed through the Little Creep Reclaimed Water
Utilization System shall be strictly forbidders 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. Any use that world result in runoff of reclaimed water from the location of application or
point of use.
10. The Permittee shall maintain on staff an individual qualified to manage an appropriate cross
connection control program. The Permittee shall notify the Division at any time the qualified
staff individual changes.

11. The Permittee shall be approved to connect existing and new residential, commercial, industrial,
and institutional irrigation users and new industrial cooling water users to the Little Creek
Reclaimed Water Utilization System and all associated facilities without prior application and
receipt of a permit modification from the Division. Note, however, that this approval shall not
extend to self -permitting of extensions to the reclaimed water distribution system. As part of this
approval, the Permittee shall be responsible for developing, implementing, and maintaining the
following minimum programs for ensuring the effective management of the local approval
program as well as its compliance with the conditions of this permit:
a. An application program that would require each proposed user to gain prior approval from
the Permittee to connect to the reclaimed water distribution system or modify their existing
reclaimed water use. During the application review, the Permittee shall be responsible for
completing the following minimum tasks: reviewing the proposed reclaimed water use,
approving the design of any permanent reclaimed water distribution system within the
reclaimed water use area, ensuring that cross -connection control issues and compliance with
all applicable local ordinances are addressed within the reclaimed water use area, as well as
consulting with the user regarding allowable reclaimed water loading rates and volumes for
irrigation purposes. This application process shall also be initiated any time that a property
transfers to a new proposed user (e.g., sale of a house, etc.).
b. A connection inspection program that would require the Permittee to perform an on -site
assessment of the proposed user's reclaimed water use area. During the connection
inspection, the Permittee shall be responsible for completing the following minimum tasks:
ensuring that no cross connections between the reclaimed water system and potable water
system exist and that the appropriate cross -connection control devices have been installed
within the reclaimed water use area and are functioning properly; verifying that any
permanent reclaimed water distribution system within the reclaimed water use area will not
result in overspray, over application, or runoff from the location of application, or any public
contact from point of use; determining that adequate notification is provided to employees
and the public regarding reclaimed water uses that are industrial in nature; as well as
disseminating educational material regarding use of the reclaimed water system and
compliance with all applicable local ordinances.
c. A follow-up inspection program that would require an on -site assessment of each residential,
commercial, industrial, and institutional user connected to the reclaimed water distribution
system once per permit cycle. The minimum tasks associated with the follow-up inspection
shall be the same as that associated with the connection inspection.
d. A compliance and enforcement program that would require the Permittee to ensure
compliance with the conditions of this permit as well as all applicable local ordinances. The
program shall include a component to address non-compliance with respect to the use of the
reclaimed water system by each type of user (i.e., residential, commercial, industrial, and
institutional).
e. A spill prevention, control, and notification program that would require the Permittee to
comply with other conditions contained in this permit.
C]

II.
12. The Permittee shall develop, implement, and maintain an ongoing, comprehensive educational
program regarding the Little Creek Reclaimed Water Utilization System and all associated
facilities. This program shall be designed to be multifaceted in that several audiences that may
use, come into contact with, or install systems associated with reclaimed water shall be
specifically targeted. Target audiences shall include, but shall not be limited to, the following:
a. Permittee's staff (i.e., especially inspection staff);
b. Residential, commercial, industrial, and institutional users;
c. Landscaping and lawn care companies;
d. Irrigation system installers;
c. Construction companies and other contractors (i.e., especially plumbing contractors).
All educational programming and materials shall be available in English and Spanish (as
necessary) and may be in the form of formal training sessions, public meetings, publication of
notices in local newspapers, notification through television and radio news programs,
maintenance of an informational web site, as well as the distribution of flyers or any combination
thereof. The following is a non. -inclusive list of topics that may be included in educational
programming and materials (i.e., various target audiences may have needs that are specific to
their involvement with the Little Creek Reclaimed Water Utilization System and all associated
facilities):
a. Reclaimed water description and safety;
b. Review of all applicable local ordinances as well as the consequences associated with
violating any of the requirements contained therein;
c. Review of application and review process, permit approval, and inspection requirements;
d. Approved and disapproved uses of reclaimed water;
Procedures for application (i.e., including buffer maintenance and application rate
determination), use, and storage of reclaimed water as well as the disposal of unused
reclaimed water;
f. Procedures for spill prevention, control, and notification requirements;
g. Personal safety and hygiene issues;
h. Description of labeling requirements and security measures (i.e., special hose fittings, locked
valve boxes, special pipe color, etc.);
i. Cross -connection control program description.
OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times.
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 SG .0201. The
ORC shall visit the facilities in accordance with 15A NCAC 8G .0204 or as specified in this
permit and shall comply with all other conditions specified in these rules.
3. A suitable, year-round vegetative cover shall be maintained on the irrigation areas.
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 irrigation field.

6. The application rate for reclaimed irrigation at the Town of Zebulon's Five County Stadium shall
not exceed a cumulative loading of 44.0 inches over any twelve (12) month period at an
instantaneous application rate not to exceed 0.35 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 Little Creek Reclaimed Water Utilization System
shall be irrigated onto the irrigation area.
9. Should the limit for fecal coliform (daily maximum concentration of 25 per 100 ml) or turbidity
(instantaneous maximum of 10 NTU) be exceeded, all wastewater shall be handled in one of three
ways, until the levels have stabilized below these maximum levels. The City of Raleigh may
further treat the wastewater to bring it into compliance with reclaimed water standards without
returning the water to the facility's headworks, may reroute it to the headworks of the Little
Creek Wastewater Treatment Facility for treatment to reuse standards, or may discharge it in
strict accordance with the conditions of the facility's existing NPDES permit.
10. The Permittee shall implement adequate measures to prevent reclaimed water runoff from the
application areas and points of use served by the Little Creek Reclaimed Water Utilization
System and all associated facilities.
III. MONITORING AND REPORTING REOUMEMENTS
1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed
necessary by the Division to insure surface and ground water protection will be established and
an acceptable sampling reporting schedule shall be followed.
2. As an indicator of proper operation and maintenance, the facility shall produce an eiiuent in
compliance with the following limitations:
Parameter
Monthly Averages
Daily (Instantaneous) Maximum c
BOD5 (5-day, 20°C)
10 mg/l
15 mg/l
NF13 as N
4 mg/l
6 mg/l
TSS
5 nag/1
10 mg/l
Fecal Coliform
14 per 100 m.l b
25 per 100 ml
Turbidity
10 NTU
The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
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.
G

The Permittee shall monitor the effluent from the subj ect facilities at the effluent discharge
channel for the following parameters:
Parameter
Sampling Point
Sampling Frequency
Type of Sample
Flow
Influent or Effluent
As Used
Recording
Turbidity
Effluent
Continuous
Recording
BOD5 (5-day, 20°C)
Effluent
*2/Month
Composite
NH3 as N
Effluent
*2/Month
Composite
TSS
Effluent
*2/Month
Composite
Fecal Coliform
Effluent
*2/Month
Grab
Residual Chlorine
Effluent
Daily
Grab
NO3
Effluent
*2/Month
Composite
TDS
Effluent
Triannually
Grab
TKN
Effluent
*2/Month
Composite
pH
Effluent
* * Triannually
Grab
* 2/Month sampling frequency only during the months of April through October. During the
remainder of the year, these parameters shall be monitored monthly,
** Triannually sampling shall be conducted during March, July, and November.
If Groundwater sampling indicates or predicts problems with the compliance with Groundwater
Standards, this permit will be modified to include additional and/or more restrictive limitations.
3. The reclaimed water delivered through the Little Creek Reclaimed Water Utilization System shall
be monitored by the Permittee at points of use throughout the reclaimed water distribution system
(i.e., sampling points representative of the reclaimed water distributed to users that have been
selected at the Permittee's discretion) for the following parameters:
Parameter
Sampling Point
Sampling Frequency
T e of Sample
Fecal Coliform
Point of Use Nos. 1 and 2
Monthly
Grab
Residual Chlorine
Point of Use Nos. 1 and 2
Monthly
Grab
Samples shall be taken from a minimum number of two points of use or the number of points of
use equivalent to 25 percent of the number of service connections to the reclaimed water
distribution system, whichever is less. In no case, however, shall less than two points of use be
sampled for the purpose of complying with this condition. The Permittee shall keep the points of
use monitoring reports on file for a minimum of five (5) years and shall provide them to the
Division upon request.
4. Should the quality of the reclaimed water sampled from the points of use, as required in
Condition IU(3), deviate substantially from the maximum daily limit, described in Condition
TU(2), for each reclaimed water parameter sampled, the Permittee shall notify the Division and
shall investigate why the deviation is occurring and take any steps necessary to correct the
situation.
7

5. The Permittee shall maintain adequate records of the status of approved users. These records
shall include, but shall not be limited to, the following:
a. Locations of all users and/or use areas;
b. Names and approval status of users and use areas,-
c. Compliance status of all users; and
d. Measured or estimated volumes of reclaimed water by users or use areas.
6. Three (3) copies of all monitoring data [as specified in Conditions III(2) and M(3)] on Form
NDMR-1 shall be submitted monthly on or before the last day of the following month. All
information shall be submitted to the following address:
NC Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
7. All records maintained in accordance with Condition III(6) shall be kept for a minimum of five
years and shall be made available to the Division upon request.
8. A maintenance log shall be maintained at this facility including but not limited to the following
items:
a. Visual observations of the irrigation storage pond and spray irrigation site,
b. Record of preventative maintenance (irrigation pump maintenance, irrigation storage pond
maintenance, changing sprinkler nozzles, etc.),
c. Date of calibration of flow measurement device.
9. 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.
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.
Occurrences outside normal business hours may also be reported to the Division's Emergency
Response personnel at telephone number [phone], [phone], or [phone].
Persons reporting such occurrences by telephone shall also file a written report in letter form
within five (5) days following first knowledge of the occurrence. This report must outline the
actions taken or proposed to be taken to ensure that the problem does not recur.

IV. GROUNDWATER REQUIREMENTS
1. Industrial waste shall not be applied or discharged onto or below the land surface when the
vertical separation between the waste and the seasonal high water table is less than three (3) feet,
unless the Permittee has demonstrated to the Director or his delegate, by using predictive
calculations or modeling methods acceptable to the Director or his delegate, that such placement
will not result in the contravention of classified groundwater standards.
2. The compliance boundary and review boundary for the waste disposal area(s) is specified by
regulation in 15A NCAC 02T .0910(a)(5). The compliance boundary and the review boundary
for groundwater shall be established at the irrigation area boundaries. An exceedance of
groundwater quality standards at or beyond the compliance boundary is subject to remediation
action according to 15A NCAC 2L .0106(d)(2).
3. Any groundwater quality monitoring, as deemed necessary by the Division, shall be provided.
V. INSPECTIONS
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 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.
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. 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 issued pursuant to 15A NCAC 02T.0105(n) for the construction and operation of a
reclaimed water utilization facility without flow equalization. In the event that non-compliance
with any permit limitation results from the absence of flow equalization, this permit may be
administratively reopened, and a requirement for the construction of a flow equalization basin
may be incorporated into the permit.
4. 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.
E

5. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division in accordance with North Carolina General
Statute 143-215.6A to 143-215.6C.
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) which have jurisdiction, including but not limited to applicable river
buffer rules in 15A NCAC 2B.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 2B .0200 and 2H .0500.
7. The Pennittee shall retain a set of approved plans and specifications for the subject facility for the
life of the project.
8. The Permittee shall pay the annual administering and compliance fee within thirty days of 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 02T .0105(e)(3).
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. This permit in no way negates, precludes, or invalidates the most recent reissuance of NPDES
Permit No. NC0079316, and the Permittee shall continue to comply with all conditions provided
for therein.
Permit issued this the 22` d day of March, 2007
NORTH CAALINA ET, O NVAL MANACzi:MFXt� 1' C D vu XiSSiCN
7<Alan W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0020409
10