WQ0021863_Final Permit_20210423

ROY COOPER
Governor
DIONNE DELLI-GATTI
Secretary
S. DANIEL SMITH
Director
NORTH CAROLINA
Environmental Quality
April 23, 2021
MICHAEL DEATON — WATER RESOURCES DIRECTOR
TOWN OF APEX
POST OFFICE BOX 250
APEX, NORTH CAROLINA 27502
Subject: Permit No. WQ0021863
Town of Apex Reclaimed
Water System
Reclaimed Water Generation,
Reclaimed Water Bulk
Distribution, and Reclaimed
Water Distribution System
Wake County
Dear Mr. Deaton:
In accordance with your permit renewal request received February 1, 2021, we are forwarding
herewith Permit No. WQ0021863 dated April 23, 2021, to the Town of Apex for the construction and
operation of the subject reclaimed water generation, reclaimed water bulk distribution, and reclaimed water
distribution facilities. Please note that this renewed permit shall become effective on August 1, 2021 (Le.,
the day after the expiration date of the existing permit).
This permit shall be effective from August 1, 2021 through August 31, 2027, shall void Permit No.
WQ0021863 issued April 21, 2016, and shall be subject to the conditions and limitations therein. The
Permittee shall submit a renewal application no later than March 4, 2027.
Please pay attention to the monitoring requirements listed Attachments A, B, and D for they may
differ from the previous permit issuance. Failure to establish an adequate system for collecting and
maintaining the required operational information shall result in future compliance problems.
The Division has removed the following permit conditions since the last permit issuance
dated April 21, 2016:
➢ Old Conditions IL 12., IL 13., IL 14., IL 15. and 11.16. —These conditions have been removed be
there are no conjunctive utilization sites permitted therein.
➢ Old Condition IIL 1. —This condition was duplicate of the old Condition IIL 8.
➢ Old Conditions IIL3., and IIL4. — These two conditions were combined and became the new
Condition III.2.
➢ Old Condition IIL 11. —This condition has been removed be there are no conjunctive utilization
sites permitted therein.
D � North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 11617 Mail Service Center I Raleigh, North Carolina 27699-1617
NORTH CAROLINA
newhneM or 919.707.9000

Mr. Michael Deaton
April 23, 2021
Page 2 of 3
➢ Old Condition IIL 19 — This condition has been removed.
➢ Old Condition IIL20.a. — This condition is covered by the new Condition IIL21.
➢ Old Condition VL2. — The permit is not voidable.
The following permit conditions are new since the last permit issuance dated April 21, 2016:
➢ Condition I.I. — This condition requires that prior to operation of the reclaimed water
distribution system permitted therein, the proposed reclaimed water conjunctive utilization
systems in Attachment B shall either obtain their own individual non -discharge permit, or the
subject permit shall be modified to authorize the use of reclaimed water at the proposed
reclaimed water conjunctive utilization systems in Attachment B.
➢ Condition 1.4. — A Operation and Maintenance Plan shall be submitted prior to operation of the
newly installed facilities.
➢ Condition 11.16.a. — Setbacks have been updated based on when the facilities were originally
permitted.
➢ Condition 111.10. — A protective vegetative cover shall be established and maintained on all
berms, pipe runs, erosion control areas, surface water diversions, and earthen embankments.
➢ Condition IIL 13. — Continuous online monitoring and recording for turbidity or particle count
and flow shall be provided.
➢ Condition IIL22. — The Permittee shall develop and maintain a record keeping program for the
bulk distribution of reclaimed water.
➢ Condition IIL23. — The Permittee shall develop and maintain a routine review and inspection
program of those accepting bulk distributed reclaimed water.
➢ Condition IV.7. — The Permittee shall maintain a record of all residuals removed from this
facility.
➢ Conditions VIX, and VL9. — Updated general condition languages.
➢ Condition V1.10. — Prevents the permit from being renewed of the Permittee has any unpaid
overdue fees.
➢ Attachment A — The monitoring requirements (i.e., measurement frequency and sample type)
have been aligned with those requirements in Permit No. NC0064050.
If any parts, requirements, or limitations contained in this permit are unacceptable, the Permittee
has the right to request an adjudicatory hearing upon written request within 30 days following receipt of
this permit. This request shall 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 at 6714 Mail Service
Center, Raleigh, NC 27699-6714. Otherwise, this permit shall be final and binding.

Mr. Michael Deaton
April 23, 2021
Page 3 of 3
If you need additional information concerning this permit, please contact Vivien Zhong at (919)
707-3627 or vivien.zhongkncdenr.gov.
Sincerely,
S. Daniel Smith, Director
Division of Water Resources
cc: Wake County Health Department (Electronic Copy)
Raleigh Regional Office, Water Quality Regional Operations Section (Electronic Copy)
Laserfiche File (Electronic Copy)
Digital Permit Archive (Electronic Copy)

THIS PAGE BLANK

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENTAL QUALITY
RALEIGH
RECLAIMED WATER GENERATION, RECLAIMED WATER BULK DISTRIBUTION, AND
RECLAIMED WATER DISTRIBUTION 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
Town of Apex
Wake County
FOR THE
operation of a reclaimed water generation, reclaimed water bulk distribution, and reclaimed water
distribution system consisting of the:
construction and operation of reclaimed water generation facilities consisting of. a continuous turbidity
monitoring and recording device at the existing sulfur building; a tablet chlorinator with solution tank and
hypochlorite feed system; an effluent transfer pump station consisting of two 350 gallon per minute (GPM)
pumps operating at 25 feet total dynamic head (TDH) with audible/visual high-water alarms; an onsite
standby generator; a flow meter; a 100,000 gallon reclaimed water storage tank; and all associated piping,
valves, controls and appurtenances; the
construction and operation of a reclaimed water distribution system consisting of. a high service pump
station consisting of two 625 GPM pumps operating at 260 feet TDH with audible/visual high-water alarms;
a flow meter; approximately 9,626 linear feet (LF) of 8-inch diameter reclaimed water force main; a 100,000
gallon elevated reclaimed water storage tank; and all associated piping, valves, controls and appurtenances;
and the
construction and operation of a reclaimed water bulk distribution system extension consisting of -
Fill Station
Location
Owner
County
Latitude
Longitude
1
Middle Creek WRF
Town of Apex
Wake
35.7093980
-78.8338880
and all associated piping, valves, controls, and appurtenances
to serve the Town of Apex Reclaimed Water System, with no discharge of wastes to surface waters,
pursuant to the application received February 1, 2021, and in conformity with the Division -approved plans
and specifications considered a part of this permit.
This permit shall be effective from August 1, 2021 through August 31, 2027, shall void Permit No.
WQ0021863 issued April 21, 2016, and shall be subject to the following conditions and limitations:
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I. SCHEDULES
1. Prior to operation of the reclaimed water distribution system permitted herein, the proposed reclaimed
water conjunctive utilization systems in Attachment B shall either obtain their own individual non -
discharge permit, or the subject permit shall be modified to authorize the use of reclaimed water at the
proposed reclaimed water conjunctive utilization systems in Attachment B. [15A NCAC 02T
.0108(b)(1)(B)]
2. Upon completion of construction and prior to operation of the permitted reclaimed water generation,
storage, and distribution facilities, the Permittee shall submit an engineering certification from a North
Carolina licensed Professional Engineer certifying that the permitted facilities have been constructed
in accordance with G.S. 143-215.1, Administrative Code Title 15A Subchapter 02U, this permit, and
the Division -approved plans and specifications. For phased and partially certified facilities, the
Permittee shall retain the responsibility to track further construction approved under this permit, and
shall provide a final engineering certification upon project completion. Mail the Engineering
Certification to the Division of Water Resources, Non -Discharge Branch, 1617 Mail Service Center,
Raleigh, NC 27699-1617, or Non-Discharge.Reportskncdenr.gov. [15A NCAC 02T .0116(a)]
The Permittee shall notify the Raleigh Regional Office, telephone number [phone], at least two
business days in advance of initial operation of the constructed facilities so that the Division can
conduct a startup inspection. [15A NCAC 02T .0108(b)(1)(B)]
4. Prior to operation of the newly installed facilities, a Final Operation and Maintenance Plan shall be
submitted for review. The plan shall be sent to the Division of Water Resources, Non -Discharge
Branch, 1617 Mail Service Center, Raleigh, NC 27699-1617 or Non-Discharge.Reportskncdenr.gov.
[15A NCAC 02T .0108(b)(1)(B), 02U .0801(a)]
Operation of the reclaimed water distribution facilities shall be contingent upon construction and
operation of permitted reclaimed water distribution lines immediately upstream and downstream of the
reclaimed water distribution facilities permitted herein. Specifications for future upstream and
downstream reclaimed water distribution lines shall include quality assurance testing procedures, which
shall be adhered to prior to operation of the reclaimed water distribution facilities permitted herein.
[G.S. 143-215.1]
6. The Permittee shall request renewal of this permit on Division -approved forms no later than March 4,
2027. [15A NCAC 02T .0105(b), 02T .0109]
II. PERFORMANCE STANDARDS
The Permittee shall maintain and operate the subject reclaimed water generation, reclaimed water bulk
distribution, and reclaimed water distribution facilities so there is no discharge to surface waters, nor
any contravention of groundwater or surface water standards. In the event the facilities fail to perform
satisfactorily, including the creation of nuisance conditions due to improper operation and maintenance,
the Permittee shall take immediate corrective actions, including Division required actions, such as the
construction of additional or replacement reclaimed water generation facilities and/or reclaimed water
distribution facilities, or cessation of reclaimed water bulk distribution program and/or reclaimed water
distribution system. [15A NCAC 02T .0108(b)(1)(A)]
2. This permit shall not relieve the Permittee of their responsibility for damages to groundwater or surface
water resulting from the operation of this facility. [15A NCAC 02T .0108(b)(1)(A)]
3. Effluent limitations for generated reclaimed water, distributed reclaimed water to offsite users, and bulk
distributed reclaimed water shall not exceed those specified in Attachment A. [15A NCAC 02U .0301]
4. Distributed reclaimed water shall only be utilized at the sites and for the activities specified in
Attachment B. [15A NCAC 02U .0401(g)]
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5. Bulk distributed reclaimed water shall only be utilized in accordance with the approved uses specified
m Attachment D. [15A NCAC 02T .0108(b)(1)(A)]
6. The conjunctive utilization of bulk distributed and distributed reclaimed water permitted herein in no
way negates, precludes, or invalidates Permit No. NC0064050. [15A NCAC 02T .0108(b)(1)(A)]
7. Construction of the reclaimed water distribution facilities permitted herein shall be scheduled as not to
interrupt service of existing utilities. [15A NCAC 02T .0108(b)(1)(A)]
8. 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. [15A NCAC 02U .0403(b)]
9. 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 as follows:
a. All reclaimed water piping and appurtenances shall be either colored purple (Pantone 522 or
equivalent) and embossed or integrally stamped or marked "CAUTION: RECLAIMED WATER -
DO NOT DRINK" or be installed with a purple (Pantone 522 or equivalent) identification tape or
polyethylene vinyl wrap. The warning shall be stamped on opposite sides of the pipe and repeated
every three feet or less;
b. Identification tape shall be at least three inches wide and have white or black lettering on purple
(Pantone 522 or equivalent) 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; and
c. Existing underground distribution systems retrofitted for the purpose of convey reclaimed water
shall be taped or otherwise identified as noted in IL9.a. and IL9.b. 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.
[15A NCAC 02U .0403(c)]
10. All reclaimed water valves and outlets shall be of a type, or secured in a manner, that permits operation
by personnel authorized by the entity that operates the reclaimed water system. [15A NCAC 02U
.0403(d)]
11. Hose bibs shall be located in locked, below grade vaults that shall be labeled as being of non -potable
quality. As an alternative to the use of locked vaults with standard hose bib services, other locking
mechanisms such as hose bibs that can only be operated by a tool may be placed above ground and
labeled as non -potable water. [15A NCAC 02U .0403(e)]
12. There shall be no direct cross -connections between the reclaimed water and potable water systems,
unless such connection has been approved by the Department pursuant to 15A NCAC 18C .0406. [15A
NCAC 02U .0403(f)]
13. Reclaimed water distribution lines shall be located at least 5 feet horizontally from and 18 inches below
any water line if practicable. If these separation distances cannot be met, the piping and integrity testing
procedures shall meet water main standards in accordance with 15A NCAC 18C. [15A NCAC 02U
.0403(h)]
14. Reclaimed water distribution lines shall not be less than 50 feet from a well unless the piping and
integrity testing procedures meet water main standards in accordance with 15A NCAC 18C, but in no
case shall they be less than 25 feet from a private well. [15A NCAC 02U .0403(i)]
15. Reclaimed water distribution lines shall meet the separation distances to sewer lines in accordance with
15A NCAC 02T .0305. [15A NCAC 02U .04030)]
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16. The facilities herein were permitted per the following setbacks:
a. The storage and treatment units were originally permitted March 28, 2003. The setbacks for storage
and treatment units originally permitted or modified from June 1, 1996 to August 31, 2006 are as
follows (all distances in feet):
I. Each habitable residence or place of assembly under separate ownership: 1001
ii. Each private or public water supply source: 100
iii. Surface waters: 50
iv. Each well with exception of monitoring wells: 100
v. Each property line: 50
vi. Nitrification field: 20
' Habitable residences or places of assembly under separate ownership constructed after the
facilities herein were originally permitted or subsequently modified are exempt from this
setback.
2 Setbacks to property lines are not applicable when the Permittee, or the entity from which the
Permittee is leasing, owns both parcels separated by the property line.
[15A NCAC 02H .02190)(5)]
III. OPERATION AND MAINTENANCE REQUIREMENTS
1. The Permittee shall operate and maintain the subject facilities as anon -discharge system. [15A NCAC
02U .0101]
2. The Permittee shall maintain an Operation and Maintenance Plan, which shall include:
a. A description of the operation of the system in detail to show what operations are necessary for the
system to function and by whom the operations are to be conducted;
b. A sampling and monitoring plan to evaluate quality of reclaimed water within the distribution and
bulk distribution system to provide quality assurance at the time of reuse, and specify actions to be
taken in response to unsatisfactory monitoring results;
c. A map of all reclaimed water bulk distribution points and all reclaimed water distribution lines;
d. A description of anticipated maintenance of the system;
e. Provisions for safety measures, including restriction of access to the site and equipment;
f. Spill control provisions that include response to upsets and bypasses, including control,
containment, and remediation, and contact information for personnel, emergency responders, and
regulatory agencies;
g. Approval procedures for bulk distribution users;
h. Operational requirements for bulk distribution users; and
I. A description of how compliance with reclaimed water quality standards will be ensured the time
of use if bulk distributed reclaimed water is stored for greater than 72 hours prior to use.
[15A NCAC 02U .0801(a)]
3. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC)
classification of the subject non -discharge facilities, the Permittee shall designate and employ a certified
operator in responsible charge (ORC), and one or more certified operators as back-up ORCs. The ORC
or their back-up shall operate and visit the facilities as required by the WPCSOCC. [15A NCAC 02T
.0117]
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4. An operator certified by the Water Pollution Control System Operators Certification Commission
(WPCSOCC) of a grade equivalent or greater than the facility classification shall be on call 24 hours
per day. [15A NCAC 02U .0401(e)]
5. Only reclaimed water generated from the Town of Apex Reclaimed Water System (Permit No.
WQ0021863 / NC0064050) shall be distributed from the reclaimed water bulk distribution facilities, or
be conveyed in the reclaimed water distribution facilities permitted herein and be utilized at the sites
for the activities specified in Attachment B. [15A NCAC 02U .0101]
6. The Permittee shall prohibit public access to the wastewater treatment and storage facilities. [15A
NCAC 02T .0108(b)(1)(A)]
7. The Permittee shall dispose or utilize generated residuals in a Division -approved manner. [15A NCAC
02T .1100, 02U .0802].
8. The Permittee shall not divert or bypass untreated or partially treated reclaimed water from the subject
facilities unless diverted to an alternate treatment or collection system. [15A NCAC 02T
.0108(b)(1)(A)]
9. A protective vegetative cover shall be established and maintained on all berms, pipe runs, erosion
control areas, surface water diversions, and earthen embankments (i.e., outside toe of embankment to
maximum allowable temporary storage elevation on the inside of the embankment). Trees, shrubs, and
other woody vegetation shall not be allowed to grow on the earthen dikes or embankments. Earthen
embankments shall be kept mowed or otherwise controlled and accessible. [15A NCAC 02U .0801(g)]
10. Metering equipment shall be tested and calibrated annually. [15A NCAC 02U .0801(d)]
11. An automatically activated standby power source or other means to prevent improperly treated
wastewater from entering the storage, distribution, or utilization system shall be provided. [15A NCAC
02U .0401(d)]
12. Continuous online monitoring and recording for turbidity or particle count and flow shall be provided
prior to storage, distribution, or utilization of reclaimed water. [15A NCAC 02U .0401(b)]
13. If turbidity exceeds 10 NTUs or if the permitted pathogen levels cannot be met, all effluent shall be
prohibited from entering the storage, distribution, or utilization system, and shall be disposed of in
accordance with Permit No. NC0064050 until the reclaimed water standards are met at the generating
facility. [15A NCAC 02U .0401(c)]
14. The Permittee shall provide notification to the public and its employees about the use of reclaimed
water, including bulk distributed reclaimed water, and that reclaimed water is not intended for drinking.
Such notification shall be provided to employees in a language they can understand. [15A NCAC 02U
.0501(a)(2)]
15. Bulk distributed reclaimed water used for activities other than irrigation shall not be used in a manner
that causes exposure to aerosols. [15A NCAC 02U .0501(b)(6)]
16. Bulk distributed reclaimed water shall not be used for swimming pools, hot tubs, spas, or similar uses.
[15A NCAC 02U .0501(c)]
17. Tank trucks and other equipment used to transport bulk distributed reclaimed water shall be identified
with advisory signs stating that they contain reclaimed water that is not intended for drinking. [15A
NCAC 02U .0601(a)]
18. Tank trucks used to transport bulk distributed reclaimed water shall not be used to transport potable
water. [15A NCAC 02U .0601(b)]
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19. Tank trucks used to transport bulk distributed reclaimed water shall not be filled through on -board
piping or removable hoses that may subsequently be used to fill potable water tanks. [15A NCAC 02U
.0601(c)]
20. The Permittee shall develop and implement an education program to inform users and its employees
about the proper use of reclaimed water. Educational material shall be provided to all residents and/or
other facilities provided with reclaimed water, and these materials shall be maintained consistent with
the reclaimed water uses. Educational materials shall instruct those accepting bulk distributed
reclaimed water about its proper use in accordance with Subchapter 02U and those approved activities
in Attachment D. All educational materials shall be made available to the Division upon request. [15A
NCAC 02U .0501(a)(4), 02U.0601(d)]
21. The Permittee shall develop and maintain a record keeping program for the bulk distribution of
reclaimed water. [15A NCAC 02U .0601(e)]
22. The Permittee shall develop and maintain a routine review and inspection program of those accepting
bulk distributed reclaimed water. [15A NCAC 02U .0601(f)]
IV. MONITORING AND REPORTING REQUIREMENTS
1. The Permittee shall conduct and report any Division required monitoring necessary to evaluate this
facility's impact on groundwater and surface water. [15A NCAC 02T .0108(c)]
2. A Division -certified laboratory shall conduct all analyses for the required effluent, groundwater, and
surface water parameters. [15A NCAC 02H .0800]
3. The Permittee shall monitor the generated reclaimed water at the frequencies and locations for the
parameters specified in Attachment A. [15A NCAC 02T .0108(c)]
4. The Permittee shall maintain adequate records tracking the amount of reclaimed water distributed and
shall include the following information:
a. Date reclaimed water distributed; and
b. Volume of reclaimed water distributed to each site specified in Attachment B (monthly total).
Monthly tracking records shall be summed and reported on Form NDMR (see Attachment A) under
parameter WQO1 (Flow, Reclaimed Water Distributed). This value shall represent the total volume of
reclaimed water distributed for that month. [15A NCAC 02T .0108(c)]
5. The Permittee shall maintain records tracking the amount of reclaimed water bulk distributed to each
user and shall include the following information:
a. Date and time of bulk distribution event;
b. Name of receiver or town -issued bulk fill certification number;
c. Intended use of the bulk distributed reclaimed water;
d. Volume of reclaimed water per each bulk distribution event;
e. Monthly total volume of reclaimed water bulk distributed;
Monthly tracking records for all users shall be summed and reported on Form NDMR. This value shall
represent the total volume of reclaimed water bulk distributed to all users for that month. [15A NCAC
02T .0108(c)]
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6. Three copies of all monitoring data (as specified in Conditions IV.3., IVA., and IV.5.) on Form NDMR
for each PPI specified in Attachment A 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 Resources
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
[15A NCAC 02T .0105(1)]
7. The Permittee shall maintain a record of all residuals removed from this facility. This record shall be
maintained for five years, and shall be made available to the Division upon request. This record shall
include:
a. Name of the residuals hauler;
b. Non -Discharge permit number authorizing the residuals disposal, or a letter from a municipality
agreeing to accept the residuals;
c. Date the residuals were hauled; and
d. Volume of residuals removed.
[15A NCAC 02U .0802(b)]
8. A maintenance log shall be kept at this facility. This log shall be maintained for five years, and shall
be made available to the Division upon request. This log shall include:
a. Date of flow measurement device calibration;
b. Date of turbidimeter calibration;
c. Date and results of power interruption testing on alternate power supply;
d. Visual observations of the bulk distribution facilities;
e. Record of preventative maintenance (e.g., changing of equipment, adjustments, testing, inspections
and cleanings, etc.); and
f Record of all discharges of reclaimed water to surface waters or the land surface, including the date
of occurrence, estimated volume, and corrective action taken.
[15A NCAC 02U .0801(h)]
9. The Permittee shall develop and maintain a routine review and inspection program for offsite users of
conjunctive reclaimed water. An inspection log shall be maintained for five years, and shall be made
available to the Division upon request. This log shall include:
a. Visual observations of the reclaimed water user sites; and
b. Record of preventative maintenance (e.g., pump and valve maintenance, cross connection control,
etc.).
[15A NCAC 02U .0801(i)]
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10. Noncompliance Notification:
The Permittee shall report to the Raleigh Regional Office, telephone number [phone], within
24 hours of first knowledge of the following:
a. Treatment of wastes abnormal in quantity or characteristic, including the known passage of a
hazardous substance.
b. Any process unit failure (e.g., mechanical, electrical, etc.) rendering the facility incapable of
adequate wastewater treatment.
c. Any failure rendering the reclaimed water distribution facilities incapable of adequately conveying
reclaimed water (e.g., mechanical or electrical failures, etc.).
d. Any failure resulting in a discharge untreated or partially treated wastewater to surface waters.
e. Any failure resulting in a discharge of reclaimed water directly to surface waters or any unpermitted
release of reclaimed water to land surface greater than or equal to 5,000 gallons. Unpermitted
releases less than 5,000 gallons to land surface shall be documented by the Permittee in accordance
with Condition IV.8.f but do not require Regional Office notification.
f. Any time self -monitoring indicates the facility has gone out of compliance with its permit
limitations.
Emergencies requiring reporting outside normal business hours shall call the Division's Emergency
Response personnel at telephone number [phone], [phone], or [phone]. All
noncompliance notifications shall file a written report to the Raleigh Regional Office within five days
of first knowledge of the occurrence, and this report shall outline the actions proposed or taken to ensure
the problem does not recur. [15A NCAC 02T .0108(b)(1)(A)]
V. INSPECTIONS
1. The Permittee shall perform inspections and maintenance to ensure proper operation of the reclaimed
water generation, reclaimed water bulk distribution, and reclaimed water distribution facilities. [15A
NCAC 02U .0801(i)]
2. The Permittee shall inspect the reclaimed water generation, reclaimed water bulk distribution, and
reclaimed water distribution facilities to prevent malfunctions, facility deterioration, and operator errors
that may result in discharges of wastes to the environment, threats to human health, or public nuisances.
The Permittee shall maintain an inspection log that includes the date and time of inspection,
observations made, and maintenance, repairs, or corrective actions taken. The Permittee shall maintain
this inspection log for a period of five years from the date of the inspection, and this log shall be made
available to the Division upon request. [15A NCAC 02U .0801(h), 02U .0801(i)]
Division authorized representatives may, upon presentation of credentials, enter and inspect any
property, premises, or place related to the reclaimed water generation, reclaimed water bulk
distribution, and reclaimed water distribution facilities permitted herein at any reasonable time for
determining compliance with this permit. Division authorized representatives may inspect or copy
records maintained under the terms and conditions of this permit, and may collect groundwater, surface
water, or leachate samples. [G.S. 143-215.3(a)(2)]
4. The Permittee shall inspect the utilization sites of all reclaimed water users who obtain more than
10,000 gallons per day of bulk distributed reclaimed water. Permittee inspection of these bulk
distribution reclaimed water utilization sites shall need to exceed one inspection per quarter. The
Permittee shall maintain records of these inspections for five years, and shall make them available to
the Division upon request. [15A NCAC 02T .0108(b)(1)(A)]
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VI. GENERAL CONDITIONS
1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to a
Division enforcement action. [G.S. 143-215.6A, 143-215.613, 143-215.6C]
2. This permit is effective only with respect to the nature and volume of wastes described in the permit
application, and Division -approved plans and specifications. [G.S. 143-215.1(d)]
3. Unless specifically requested and approved in this permit, there are no variances to administrative codes
or general statutes governing the construction or operation of the facilities permitted herein. [15A
NCAC 02T .0105(n)]
4. The issuance of this permit does not exempt the Permittee from complying with all statutes, rules,
regulations, or ordinances that other jurisdictional government agencies (e.g., local, state, and federal)
may require. [15A NCAC 02T .0105(c)(6)]
5. If the permitted facilities change ownership, or the Permittee changes their name, the Permittee shall
submit a permit modification request on Division -approved forms. The Permittee shall comply with
all terms and conditions of this permit until the permit is transferred to the successor -owner. [G.S. 143-
215.1(d3)]
6. The Permittee shall retain a set of Division -approved plans and specifications for the life of the facilities
permitted herein. [15A NCAC 02T .0105(o)]
7. The Permittee shall maintain this permit until the proper closure of all facilities permitted herein, or
until the facilities permitted herein are permitted by another authority. [15A NCAC 02T .01050)]
8. This permit is subject to revocation or modification upon 60-day notice from the Division Director, in
whole or part for:
a. violation of any terms or conditions of this permit or Administrative Code Title 15A Subchapter
02U;
b. obtaining a permit by misrepresentation or failure to disclose all relevant facts;
c. the Permittee's refusal to allow authorized Department employees upon presentation of credentials:
I. to enter the Permittee's premises where a system is located or where any records are required
to be kept;
ii. to have access to any permit required documents and records;
iii. to inspect any monitoring equipment or method as required in this permit; or
iv. to sample any pollutants;
d. the Permittee's failure to pay the annual fee for administering and compliance monitoring; or
e. a Division determination that the conditions of this permit are in conflict with North Carolina
Administrative Code or General Statutes.
[15A NCAC 02T .0110]
WQ0021863 Version 4.0 Shell Version 200201 Page 9 of 11

9. Unless the Division Director grants a variance, expansion of the facilities permitted herein shall not
occur if any of the following apply:
a. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has been convicted of
environmental crimes under G.S. 143-215.6B, or under Federal law that would otherwise be
prosecuted under G.S. 143-215.6B, and all appeals of this conviction have been abandoned or
exhausted.
b. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has previously abandoned
a wastewater treatment facility without properly closing the facility.
c. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has not paid a civil
penalty, and all appeals of this penalty have been abandoned or exhausted.
d. The Permittee or any parent, subsidiary, or other affiliate of the Permittee is currently not compliant
with any compliance schedule in a permit, settlement agreement, or order.
e. The Permittee or any parent, subsidiary, or other affiliate of the Permittee has not paid an annual
fee.
[15A NCAC 02T .0120(b), 02T .0120(d)]
10. This permit shall not be renewed if the Permittee or any affiliation has not paid the required annual fee.
[15A NCAC 02T .0120(c)]
Permit issued this the 231d day of April 2021
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
31- S. Daniel Smith, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Permit Number WQ0021863
WQ0021863 Version 4.0 Shell Version 200201 Page 10 of 11

Permit No. WQ0021863 Reclaimed Water Generation, Reclaimed Water Bulk
Distribution, and Reclaimed Water Distribution
Town of Apex April 23, 2021
Town of Apex Reclaimed Water System Wake County
ENGINEERING CERTIFICATION
❑ Partial ❑ Final
I, , as a duly licensed North Carolina Professional
Engineer, having ❑ periodically / ❑ fully observed the construction of the permitted facilities, do hereby
state to the best of my abilities that the facility was constructed in compliance with G.S. 143-215.1,
Administrative Code Title 15A Subchapter 02U, this permit, and the Division -approved plans and
specifications.
Documentation of any variation to this permit, and the Division -approved plans and specifications, is in the
attached as -built drawings.
Description of variations:
Professional Engineer's Name
Firm Name
Firm No.
Address
City State
Zip Code
Telephone Email
Seal Signature, and Date
THE COMPLETED ENGINEERING CERTIFICATION, INCLUDING ALL SUPPORTING
DOCUMENTATION, SHALL BE SENT TO THE FOLLOWING ADDRESS:
NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
NON -DISCHARGE BRANCH
By U.S. Postal Service By Courier/Special DelivM
1617 MAIL SERVICE CENTER 512 N. SALISBURY ST.
RALEIGH, NORTH CAROLINA 27699-1617 RALEIGH, NORTH CAROLINA 27604
WQ0021863 Version 4.0 Shell Version 200201 Page 11 of 11

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ATTACHMENT A — LIMITATIONS AND MONITORING REQUIREMENTS
PPI 001— Reclaimed Water Generation System Effluent
Permit Number: WQ0021863 Version: 4.0
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
PCs
Code
Parameter Description
Units of
Measure
Monthly
Average
Monthly Daily Minimum
Geometric Mean
Daily Maximum
Measurement
Frequency
Sample
Type
00310
BOD, 5-Day (20 °C)
mg/L
10
15
5 x Week
Composite
31616
Coliform, Fecal MF, M-FC Broth, 44.5 °C
#/100 mL
14
25
5 x Week
Grab
00610
Nitrogen, Ammonia Total (as N)
mg/L
4
6
5 x Week
Composite
00530
Solids, Total Suspended
mg/L
5
10
5 x Week
Composite
00076
Turbidity, HCH Turbidimeter
NTU
10
Continuous
Recorder
1. Please note that the monitoring requirements (i.e., measurement frequency and sample type) have been aligned with those requirements in Permit No. NC0064050. Accordingly, the Permittee may
report the same data for parameters BOD (00310), Ammonia (00610), Total Nitrogen (00600), and TSS (00530) as reported for Permit No. NC0064050 (i.e., no additional monitoring).
PPI 002 — Distributed Reclaimed Water to Offsite Users
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
PCs
Code
Parameter Description
Units of
Measure
Monthly Total
Monthly Daily Minimum Daily Maximum
Geometric Mean
Measurement
Frequency
Sample
Type
WQ01
Flow, Reclaimed Water Distributed
Gallons
off
Monthly
Estimate
PPI 003 — Reclaimed Water Bulk Distribution Station
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
PCs
Parameter Description
Units of
Monthly Total
Monthly
Daily Minimum
Daily Maximum
Measurement
Sample
Code
Measure
Geometric Mean
Frequency
Type
WQO1
Flow, Reclaimed Water Distributed
Gallons
Monthly
Estimate
WQ0021863 Version 4.0 Attachment A Page 1 of 1

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ATTACHMENT B — APPROVED RECLAIMED WATER USES
PROPOSED USERS FOR OFFSITE DISTRIBUTION
Town of Apex — Town of Apex Reclaimed Water System
Permit Number: WQ0021863 Version: 4.0
Site
Facility Name
County
User Permit No.
Latitude
Longitude
Proposed Use
1
Tumbleweed Pottery
Wake
TBD
35.714851'
-78.827863'
Landscape Irrigation/Construction Use
2
Potters Industries
Wake
TBD
35.712818
-78.836698
Landscape Irrigation/Construction Use
4
Ready Mix Concrete Plant #6
Wake
TBD
N/A
N/A
Landscape Irrigation/Construction Use
5
Cooper Tools Lufkin Division
Wake
TBD
35.716230
-78.835303
Landscape Irrigation/Construction Use
6
Tipper Tie
Wake
TBD
35.721079
-78.827887
Landscape Irrigation/Construction Use
7
Apex Fire Department
Wake
TBD
Various
Various
Landscape Irrigation/Construction Use
8
Wake County Public School System
Wake
TBD
Various
Various
Landscape Irrigation/Construction Use
1. Pursuant to Condition I.1., the above reclaimed water users either need to obtain their own reclaimed water conjunctive utilization system permit, or the subject permit shall be modified to allow
the construction and operation of proposed reclaimed water conjunctive utilization systems.
WQ0021863 Version 4.0 Attachment B Page 1 of 1

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ATTACHMENT D — APPROVED RECLAIMED WATER BULK DISTRIBUTION USES
Town of Apex — Town of Apex Reclaimed Water System
Permit Number: WQ0021863 Version: 4.0
APPROVED PERMITTEE USES'
ADDITIONAL REQUIREMENTS AND COMMENTS
Firefighting and fire extinguishing
Must meet Public Water Supply requirements per 15A NCAC 18C .0100 - .2200
Reclaimed water distribution line flushing and pressure testing
Provided the water is returned to the sanitary sewer, or used for other approved reclaimed water
uses after testing.
Vehicle and equipment washing
Provided that no ponding or run-off of the reclaimed water occurs.
1. All employees shall complete educational training prior to utilizing bulk distributed reclaimed water.
APPROVED USES FOR BULK DISTRIBUTED RECLAIMED WATER RECIPIENTS 2
ADDITIONAL REQUIREMENTS AND COMMENTS
Concrete cutting
Decorative ponds and fountains that drain to sanitary sewer systems
Hydro -seeding and fertilizer mixing
Industrial and commercial cooling water or boiler blow down water
Provided that cooling water or boiler blow down water is disposed of according to any necessary
disposal permit.
Industrial and commercial fire prevention systems where there are separate non -potable
plumbing lines
Irrigation of public and private landscapes and turf
Make-up water for brine slurry or similar
Brine slurry to be applied to roads to prevent freezing.
Irrigation of food chain crops
Provided that all conditions of 15A NCAC 02U .1401 are met.
Make-up water for preparation of pesticide solutions or similar
Use of reclaimed water does not exempt user from meeting the use and disposal requirements of
the created solution.
Non -potable processes such as asphalt reclamation, concrete production and compost
production
Must meet compost permit requirements.
Sewer cleaning
Soil compaction and dust suppression
May include irrigation to clay or synthetic clay tennis courts, or similar.
Street sweeping and washing
Subsurface Directional Boring
Does not include borings into bedrock or installation of any wells subject to 15A NCAC 02C -
Well Construction Regulations.
Vehicle washing and power washing
Provided that dual disinfection with UV and chlorination is provided, and that no ponding or run-
off of the reclaimed water occurs.
2. All recipients of bulk distributed reclaimed water users shall complete educational training and be Permittee-certified prior to receiving reclaimed water.
WQ0021863 Version 4.0 Attachment D Page 1 of 1