WQ0023213_Final Permit_20170829

Water Resources
ENVIRONMENTAL OOALITY
August 29, 2017
ROGER D. JONES — PUBLIC SERVICES MANAGER
CITY OF LEXINGTON
28 WEST CENTER STREET
LEXINGTON, NORTH CAROLINA 27292
Dear Mr. Jones:
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. JAY ZIMMERMAN
Director
Subject: Permit No. W00023213
Lexington Golf Club WWTP
Reclaimed Water Generation
and Conjunctive Utilization
System
Davidson County
In accordance with your permit renewal request received June 1, 2017, we are forwarding herewith
Permit No. WQ0023213 dated August 29, 2017, to the City of Lexington for the continued operation of the
subject reclaimed water generation and conjunctive reclaimed water utilization facilities. Please note that
this renewed permit shall become effective on December 1, 2017 (i.e., the day after the expiration date of
the existing permit). Your permit's format has been updated to be consistent with the most current
reclaimed water permit template, and rule references have been updated pursuant to the 15A NCAC 02U
rules that became effective July 18, 2011.
This permit shall be effective from December 1, 2017 until November 30, 2022, shall void Permit
No. W00023213 issued December 8, 2008, and shall be subject to the conditions and limitations as
specified therein. Please pay attention to the monitoring requirements listed in Attachments A and B 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.
Please note the following permit conditions have been removed since the last permit issuance
dated December 8, 2008:
➢ Permit description - The communitor grinder has been removed from the permit description as
it has been removed from service.
➢ Old Condition III.8.a. - Covered under new Condition II1.13.
➢ Old Condition III.8.b. - Covered under new Condition IV A.
➢ Old Condition III.8.c. - Covered under new Condition IIA.
➢ Old Condition III.8.e. - Covered under new Condition III.11.
➢ Old Condition III.81 - Covered under new Condition IV.6.
- `>� Nothing Compares:.-.-..
State of North Carolina I Environmental Quality I Water Resources I Water Quality Permitting I Non -Discharge Permitting
1617 Mail Service Center I Raleigh, North Carolina 27699-1617
919-807-6332

Mr. Roger D. Jones
August 29, 2017
Page 2 of 3
Please note the following permit conditions are new since the last permit issuance dated
December 8, 2008:
➢ Condition 111.2. — This condition requires the Pennittee to maintain an Operation and
Maintenance Plan.
➢ Condition 111.4. — This condition requires an ORC be on call 24 hours per day.
➢ Condition 111.8. — This condition requires that the turbidimeter be tested and calibrated
annually.
➢ Condition III.10. — This condition requires that an automatically activated standby power
source or other means to prevent improperly treated wastewater from entering the storage,
distribution, or utilization system be provided.
➢ Condition III.11. — This condition requires that public access to the reclaimed water generation
facilities be prohibited.
➢ Condition Ill.14. — This condition requires that the freeboard in the 500,000 gallon storage tank
not be less than two feet at any time.
➢ Condition Ill.15. — This condition requires that a gauge to monitor reclaimed water levels in
the 500,000 gallon storage tank be provided.
➢ Condition TVA — This condition requires that freeboard in the 500,000 gallon storage tank be
recorded weekly.
➢ Condition IV.7.e. — This condition, as a part of the maintenance log, requires the Permittee to
record all unpermitted releases of reclaimed water to surface water or the land's surface.
➢ Condition VI.8. — This condition notes that this permit is subject to revocation or unilateral
modification within 60 days' notice from the Division if the terms in 15A NCAC 02T .0110
are violated.
➢ Condition VI.9. — This condition notes that the facilities in this permit may not be expanded if
the Permittee exemplifies any of the criteria in 15A NCAC 02T .0120(b).
➢ Attachment A - Attachment A — Monitoring for Total Nitrogen, Total Kjeldahl Nitrogen and
Total Phosphorus has been added to the effluent monitoring requirements to be consistent with
our Non -Discharge Effluent Monitoring for Domestic Wastewater guidelines,
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. Unless such demands are made, this permit shall be final and binding.

Mr. Roger D. Jones
August 29, 2017
Page 3 of 3
If you need additional information concerning this permit, please contact Alice M. Wessner at (919)
807-6425 or alice.wessnernncdenr.gov.
Sincerely,
�9�l.irr a�mwuX '�
S. Jay Zimmerman, P.G., Director
Division of Water Resources
cc: Davidson County Health Department (Electronic Copy)
Winston-Salem Regional Office, Water Quality Regional Operations Section (Electronic Copy)
Digital Permit Archive (Electronic Copy)
Central Files

THIS PAGE BLANK

NORTH CAROLINA
I.
ENVIRONMENTAL MANAGEMENT
DEPARTMENT OF ENVIRONMENTAL QUALITY
RALEIGH
RECLAIMED WATER GENERATION SYSTEM AND CONJUNCTIVE RECLAIMED WATER
UTILIZATION 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
City of Lexington
Davidson County
continued operation of a 300,000 gallon per day (GPD) reclaimed water generation system consisting of:
an interceptor vault diverting flow to an influent pump station with dual 208 gallon per minute (GPM)
pumps; a 300,000 gallon fine bubble aeration basin with two 1,100 cubic feet per minute (CFM) centrifugal
blowers; a 58,130 gallon clarifier with a 312 GPM return/waste sludge pump; a tertiary disc filter; a 1,038
gallon chlorine contact basin; an effluent flow measuring device; an effluent composite sampler; a
turbidimeter; and all associated piping, valves, controls, and appurtenances; and the
continued operation of a conjunctive reclaimed water utilization system consisting of: a 500,000 gallon
storage tank; two 1,100 GPM irrigation pumps; approximately 87 acres of spray irrigation area with 891
sprinkler heads; and all associated piping, valves, controls, and appurtenances
to serve the Lexington Golf Club W WTP, with no discharge of wastes to surface waters, pursuant to the
application received June 1, 2017, and in conformity with the project plans, specifications, and other
supporting data subsequently filed and approved by the Department of Environmental Quality and
considered a part of this permit.
This permit shall be effective from December 1, 2017 until November 30, 2022, shall void Permit No.
W00023213 issued December 8, 2008, and shall be subject to the following specified conditions and
limitations:
1. No later than six months prior to the expiration of this permit, the Permittee shall request renewal of
this permit on official Division forms. Upon receipt of the request, the Division will review the
adequacy of the facilities described therein, and if warranted, will renew the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note Rule 15A
NCAC 02T .0105(d) requires an updated site map to he submitted with the permit renewal application.
[15A NCAC 02U .0106j
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H. PERFORMANCE STANDARDS
1. The subject reclaimed water facilities shall be effectively maintained and operated at all times 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, or failure of the utilization areas to adequately assimilate the
reclaimed water, the Permittee shall take immediate corrective actions including Division required
actions, such as the construction of additional or replacement reclaimed water generation facilities, and
additional or replacement reclaimed water utilization facilities or cessation of reclaimed water
utilization activities. [G.S. 143-215.1, 143-213.3(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 02B .0200, 02L .0100]
3. Effluent limitations for generated reclaimed water shall not exceed those specified in Attachment A.
[15A NCAC 02U .0300]
4. Reclaimed water may only be utilized at the sites listed in Attachment B. [G.S. 143-215.1]
5. The conjunctive use of reclaimed water permitted herein in no way negates, precludes, or invalidates
the most recent reissuance of the Permittee's NPDES permit (Permit No. NC0055786), and the
Permittee shall continue to comply with all conditions provided for therein. [G.S. 143-215.1]
6. 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 reclaimed water is not intended for drinking. Where appropriate, such
warning shall inform the public or employees to avoid contact with reclaimed 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 reclaimed water pipelines in a visible manner, fastened
at least every 10 feet to each pipe length and run continuously the entire length of the pipe.
iii. Existing underground distribution systems retrofitted for the purpose of distributing reclaimed
water shall be taped or otherwise identified as noted above. This identification need not extend
the entire length of the distribution system, but shall be incorporated within 10 feet of crossing
any potable water supply line or sanitary sewer line.
c. All reclaimed water valves and outlets shall be of a type, or secured in a manner, that permits
operation by authorized personnel only.
d. 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 which can only be operated by a tool may be placed above
ground and labeled as non -potable water.
[15A NCAC 02U .04031
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7. No direct cross -connections shall be allowed between 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)]
8. The compliance and review boundaries are established at the property boundary. Any exceedance of
standards at the compliance or review boundary shall require action in accordance with 15A NCAC
02L .0106. [15A NCAC 02H .0219(k)(1)(C)(i)(III)]
9. The Permittee shall apply for a permit modification to establish a new compliance boundary prior to
any sale or transfer of property affecting a compliance boundary. [15A NCAC 02L .0107(c)]
10. No wells, excluding Division approved monitoring wells, shall be constructed within the compliance
boundary except as provided for in 15A NCAC 02L .0107(g). [15A NCAC 02L .0107(d)]
11. The facilities permitted herein shall be constructed according to the following setbacks:
a. The setbacks for reclaimed utilization sites shall be as follows (all distances in feet):
i. Surface waters not classified SA: 25
ii. Surface waters classified SA: 100
iii. Any well with exception to monitoring wells: 100
b. The setbacks for treatment units shall be as follows (all distances in feet):
i. Any well with exception of monitoring wells: 100
ii. Any property line: 50
c. The setbacks for final effluent storage units shall be as follows (all distances in feet):
i. Any private or public water supply source: 100
ii. Surface waters: 50
iii. Any well with exception of monitoring wells: 100
iv. Any property line: 01
Section 22.(c)(2) of Session Law 2013-413 exempts final reclaimed water effluent storage
facilities constructed prior to June 18, 2011 from having a setback to property lines.
[15A NCAC 02U .0701]
OPERATION AND MAINTENANCE REQUIREMENTS
The reclaimed water generation and utilization facilities shall be properly maintained and operated at
all times. The facilities shall be effectively maintained and operated as a reclaimed water system to
prevent the discharge of any reclaimed water or partially treated effluent resulting from the operation
ofthisfacility. [15ANCACO2T.0108(b)(1)]
2. The Permittee shall maintain an Operation and Maintenance Plan, which at a minimum shall include
the following:
a. Description of the system in sufficient detail to show what operations are necessary for the system
to function and by whom the functions will be conducted;
b. A map of all distribution lines and record drawings of all utilization systems under the Permittee's
control;
c. Description of anticipated maintenance activities;
d. Include provisions for safety measures including restriction of access to sites and equipment; and
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e. Spill control provisions including response to upsets and bypasses including control, containment,
remediation, and contact information for plant personnel, emergency responders and regulatory
agencies.
[15A NCAC 02U .0801]
3. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC)
classification of the subject non -discharge facilities, in accordance with 15A NCAC 08G .0200 the
Permittee shall designate and employ a certified operator in responsible charge (ORC) and one or more
certified operator(s) as back-up ORC(s). The ORC or their back-up shall visit the facilities in
accordance with 15A NCAC 08G .0200, and shall comply with all other conditions specified in the
previously cited rules. At the time of this permit issuance, a certified ORC is not required for
conjunctive reclaimed water users. [15A NCAC 02U .0117]
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), 02U .0402(i)]
5. A suitable year round vegetative cover shall be maintained on irrigation sites at all times, such that crop
health is optimized, allows for even distribution of reclaimed water, and allows inspection of the
irrigation system. [15A NCAC 02T .0108(b)(1)]
6. Adequate measures shall be taken to prevent reclaimed water ponding in or runoff from the irrigation
sites. [15ANCAC 02T .0108(b)(1)]
7. Irrigation shall not be performed during inclement weather or when the ground is in a condition that
will cause ponding or runoff. [15A NCAC 02T .0108(b)(1)]
8. The turbidimeter shall be tested and calibrated at a minimum of once per year. Calibration records
shall be maintained at the facility for a period of no less than five years, and shall be made available to
the Division upon request. [15A NCAC 02T .0108(b)(1)]
9. Only reclaimed water generated at the Lexington Golf Club W WTP shall be utilized in accordance with
this permit. [G.S. 143-215.1]
10. 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)]
11. Public access to the reclaimed water generation facilities shall be prohibited. [15A NCAC 02U
.0402(f)]
12. Public access to reclaimed water utilization sites shall be controlled during active site use. Such
controls may include the posting of signs showing the activities being conducted at each site. [15A
NCAC 02U .0501]
13. Diversion or bypassing of untreated or partially treated wastewater from the treatment facilities is
prohibited unless diverted to an alternate treatment or collection system. [15A NCAC 02T .0108(b)(1)]
14. Freeboard in the 500,000 gallon storage tank shall not be less than two feet at anytime. [15A NCAC
02T .0108(b)(1)]
15. A gauge to monitor reclaimed water levels in the 500,000 gallon storage tank shall be provided. This
gauge shall have readily visible permanent markings at inch or tenth of afoot increments. [ 15A NCAC
02T .0108(b)(1)]
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Iv.
16. Effluent shall be discharged in accordance with Permit No. NCO055786 if the limit for fecal coliform
(e.g., daily maximum concentration of 25 colonies per 100 mL) or turbidity (e.g., instantaneous
maximum of 10 NTU) is exceeded, until such time as the reclaimed water standards are met at the
generating facility. [15A NCAC 02U .0401(c)]
17. The Permittee shall develop and implement an education program to inform users (including
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. All educational materials shall be made available to the
Division upon request. [15A NCAC 02U .0501(a)(4)]
18. The Permittee shall provide notification to the public and/or employees about the use of 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 ]
19. The residuals generated from the wastewater treatment facilities shall be disposed or utilized in
accordance with 15A NCAC 02T .1100. The Permittee shall maintain a residual management plan
pursuant to 15A NCAC 02U .0802. [ 15A NCAC 02T .1100, 02U .0802]
20. The use of reclaimed water for vehicle washing, shall be conducted in a manner to insure minimal
surface runoff, and the Permittee shall provide education information to the users on the proper use of
reclaimedwater. [15ANCACO2T.0108(b)(1)]
1. Any Division required monitoring (including groundwater, plant tissue, soil and surface water analyses)
necessary to ensure groundwater and surface water protection shall be established, and an acceptable
sampling reporting schedule shall be followed. [15A NCAC 02T .0108(c)]
2. A Division certified laboratory shall conduct all laboratory analyses for the required effluent,
groundwater or surface water parameters. [15A NCAC 02H .0800]
3. Flow through the reclaimed water generating facility shall be continuously monitored, and daily flow
values shall be reported on Form NDMR.
The Permittee shall install and maintain an appropriate flow measurement device to ensure the accuracy
and reliability of flow measurement consistent with accepted engineering and scientific practices.
Selected flow measurement devices shall be capable of measuring flows with a maximum deviation of
less than ten percent from true flow; accurately calibrated at a minimum of once per year; and
maintained to ensure the accuracy of measurements is consistent with the selected device's accepted
capability. The Permittee shall maintain records of flow measurement device calibration on file for a
period of at least five years. At a minimum, documentation shall include:
a. Date of flow measurement device calibration,
b. Name of person performing calibration, and
c. Percent from true flow.
[15A NCAC 02T .0105(k)]
4. The Permittee shall monitor the reclaimed water from the generating facility at the frequencies and
locations for the parameters specified in Attachment A. [ 15A NCAC 02T .0108(c)]
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5. The Permittee shall maintain adequate records tracking the amount of reclaimed water distributed and
shall include the following information:
a. Date of reclaimed water distributed; and
b. Volume of reclaimed water distributed to each approved user facility (monthly total).
Monthly tracking records for all users shall be summed and reported on Form NDMR (see Attachment
A) under parameter WQOI (Flow, Reclaimed Water Distributed). This value shall represent the total
volume of reclaimed water distributed to all users for that month. [15A NCAC 02T .0108(c)]
6. Freeboard (i.e., reclaimed water level to the lowest embankment elevation) in the 500,000 gallon
storage tank shall be measured to the nearest inch or tenth of a foot, and recorded weekly. Weekly
freeboard records shall be maintained at the facility for a period of no less than five years, and shall be
made available to the Division upon request. [ 15A NCAC 02T .0108(c)]
7. A maintenance log shall be maintained at this facility. This log shall be maintained at the facility for a
period of no less than five years, and shall be made available to the Division upon request. At a
minimum, this log shall include:
a. Visual observations of treatment plant and plant site;
b. Date of calibration of flow measurement device(s);
c. Date of calibration of turbidimeter;
d. Record of preventative maintenance (e.g., changing/adjusting of equipment, pump and valve
maintenance, cross connection control, testing, inspections and cleanings, etc.; and
e. Record of all unpermitted releases of reclaimed water to surface water or land surface including
date of occurrence, estimated volume of release, cause, and corrective action taken.
[15A NCAC 02T .0108(b)(1)]
8. Three copies of all effluent monitoring data and reclaimed water distribution data (as specified in
Conditions IV.3., IVA., and IV.S.) shall be submitted on Form NDMR for each PPI listed in Attachment
A. Reporting forms shall be submitted on or before the last day of the following month. If no reclaimed
water distribution activities occurred during the monitoring month, monitoring reports documenting
the absence of the activity are still required to be submitted. All effluent monitoring data 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)]
9. Noncompliance Notification:
The Permittee shall report by telephone to the Winston-Salem Regional Office, telephone number (336)
776-9800, 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. 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.), due to known or unknown reasons,
rendering the facility incapable of adequate wastewater treatment.
c. 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.7.e. but do not require Regional Office notification.
d. Any time self -monitoring indicates the facilities permitted herein have gone out of compliance with
the limitations contained in this permit.
e. Ponding in or runoff from the reclaimed water utilization sites.
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Any emergency requiring immediate reporting (e.g., discharges to surface waters, imminent failure of
a storage structure, etc.) outside normal business hours shall 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 days
following first knowledge of the occurrence. This report shall outline the actions taken or proposed to
betaken to ensure the problem does not recur. [15A NCAC 02T .0108(b)(1)]
V. INSPECTIONS
1. The Permittee shall provide adequate inspection and maintenance to ensure proper operation of the
reclaimed water generation and utilization facilities. [15A NCAC 02T .0108(b)]
2. The Permittee or their designee shall inspect the reclaimed water generation and utilization facilities to
prevent malfunction, facility deterioration and operator errors resulting in discharges, which may cause
the release of wastes to the environment, a threat to human health or a public nuisance. The Permittee
shall maintain an inspection log that includes, at a minimum, the date and time of inspection,
observations made, and any 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 02T .0108(b)]
3. Any duly authorized Division representative may, upon presentation of credentials, enter and inspect
any property, premises or place on or related to the reclaimed water generation and utilization facilities
permitted herein at any reasonable time for the purpose of determining compliance with this permit;
may inspect or copy any records required to be maintained under the terms and conditions ofthis permit,
and may collect groundwater, surface water or leachate samples. [G.S. 143-215.1]
1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to an
enforcement action by the Division in accordance with North Carolina General Statutes 143-215.6A to
143-215.6C. [G.S. 143-215.6A to 143-215.6C]
2. This permit shall become voidable if the permitted facilities are not constructed in accordance with the
conditions of this permit, the Division approved plans and specifications, and other supporting
documentation. [15A NCAC 02T .0110]
3. This permit is effective only with respect to the nature and volume of wastes described in the permit
application, Division approved plans and specifications, and other supporting documentation. No
variances to applicable rules governing the construction or operation of the permitted facilities are
granted, unless specifically requested and approved in this permit pursuant to 15A NCAC 02T .0105(n).
[G.S. 142-215.1]
4. The issuance of this permit does not exempt the Permittee from complying with any and all statutes,
rules, regulations, or ordinances, which may be imposed by other jurisdictional government agencies
(e.g., local, state, and federal). Of particular concern to the Division are applicable river buffer rules in
15A NCAC 02B .0200; erosion and sedimentation control requirements in 15A NCAC Chapter 4 and
under the Division's General Permit NCGO 10000; any requirements pertaining to wetlands under 15A
NCAC 02B .0200 and 02H .0500; National Pollutant Discharge Elimination System (NPDES)
requirements under 15A NCAC 02H .0100, and documentation of compliance with Article 21 Part 6
of Chapter 143 of the General Statutes. [15A NCAC 02T .0105(c)(6)]
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In the event the permitted facilities change ownership or the Permittee changes their name, a written
permit modification request shall be submitted to the Division. This request shall be made on official
Division forms, and shall include appropriate property ownership documentation and other supporting
documentation as necessary. The Permittee of record shall remain fully responsible for maintaining
and operating the facilities permitted herein until a permit is issued to the new owner. [15A NCAC
02T .0104]
6. The Permittee shall retain a set of Division approved plans and specifications for the life of the facilities
permitted herein. [15A NCAC 02T .0108(b)(1)]
7. The Permittee shall maintain this permit until all permitted facilities herein are properly closed or
permitted under another permit issued by the appropriate permitting authority. [15A NCAC 02T
.01050)]
8. This permit is subject to revocation or unilateral modification upon 60 days notice from the Division
Director, in whole or part for the requirements listed in 15A NCAC 02T .0110. [ 15A NCAC 02T .0110]
9. Unless the Division Director grants a variance, expansion of the permitted facilities contained herein
shall not be granted if the Permittee exemplifies any of the criteria in 15A NCAC 02T .0120(b). [15A
NCAC 02T .0120]
10. The Permittee shall pay the annual fee within 30 days after being billed by the Division. Failure to pay
the annual fee accordingly shall be cause for the Division to revoke this permit. [15A NCAC 02T
.0105(e)(3)]
Permit issued this the 29'h day of August 2017
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
S. Jay Zimmerman, P.G., Director
Division of Water Resources
By Authority of the Environmental Management Commission
Permit Number WQ0023213
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ATTACHMENT A — LIMITATIONS AND MONITORING REQUIREMENTS
PPI 001— Reclaimed Water Generation System Effluent
Permit Number: W00023213 Version: 2.0
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
PCS
Code
Parameter Description
Units of
Measure
Monthly
Average
Monthly
Geometric Mean
Daily Minimum
Daily Maximum
Measurement
Frequency
Sample
Type
00310
BOD, 5-Day (20 °C)
mg/L
10
15
2 x Month
Composite
50060
Chlorine, Total Residual
mg/L
5 x Week
Grab
31616
Colifomt, Fecal MF, M-FC Broth, 44.5 °C
#/100 mL
14
25
2 x Month
Grab
50050
Flow, in Conduit or thin Treatment Plant
GPD
300,000
Continuous
Recorder
00610
Nitrogen, Ammonia Total (as N)
mg/L
4
6
2 x Month
Composite
00625
Nitrogen, Kjeldahl, Total (as N)
mg/L
2 x Month
Composite
00620
Nitrogen, Nitrate Total (as N)
mg/L
2 x Month
Composite
00600
Nitrogen, Total (as N)
mg/L
2 x Month
Composite
00400
pH
su
5 x Week
Grab
00665
Phosphorus, Total (as P)
mg/L
2 x Month
Composite
00530
Solids, Total Suspended
mg/L
5
10
2 x Month
Composite
00076
Turbidity, HCH Turbidimeter
NTU
10
Continuous
Recorder
PPI 002 —Distributed Reclaimed Water
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
PCS
Parameter Description
Units of
Monthly
Monthly
Daily Minimum
Daily Maximum
Measurement
Sample
Code
Measure
Average
Geometric Mean
Frequency
Type
WQ01
Flow, Reclaimed Water Distributed
Gallons
Monthly
Recorder
WQ023213 Version 2.0 Attachment A Page 1 of I

ATTACHMENT B — APPROVED RECLAIMED WATER USES
ONSITE CONJUNCTIVE USES
City of Lexington — Lexington Golf Club
Permit Number: WQ0023213 Version: 2.0
Site
I
ID
Location Name
Owner
County
Latitude
Longitude
Approved Use
Net Acreage
Parameter
Units
1
I Lexington Golf Club
CiTy of Lexington
Davidson
35.7936110.
-80.248333°
1 Irrigation
87.0
1 01284 — Non -Discharge Application Rate
inches
Notes:
1. Utilization records for these sites are not required to be reported on Form NDAR-I.
2. Irrigation is limited to the water needs of the irrigated turf without any runoff.
3. Zones 1 and 4 = 0.20 inches/hour, Zones 2 and 7 = 0.15 inches/hour, Zone 3 = 0.50 inches/hour, Zones 5 and 8 = 0.30 inches/how and Zone 6 = 0.25 inches/hour.
W00023213 Version 2.0 Attachment B Page 1 of 1

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Scale:l inch equals 2 miles VICINITY MAP FIG
Dmwn by -.CSC Lexington Permitting for Reuse Water 1
Reviewed by: NIHOB = M E Lexington, North Carolina
Date: JUKE-03 ENVRGMM(N79L SERVICES • ENGINEERING - TESTING S&ME Project No. 1588-03-00
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