NC0020354_LV-2024-0101_Chatham Park Water Recovery Center_20240426

ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Certified Mail # 7020 3160 0000 4115 1148
Return Receipt Requested
Timothy R. Smith, Vice President
C/O Robin R. Rose
Chatham Park Investors LLC
105 Weston Estates Way
Cary, North Carolina 27513
` STATt o °r
NORTH CAROLINA
Environmental Quality
April 26, 2024
SUBJECT: Notice of Violation and Assessment of Civil Penalty
for Violations of North Carolina General Statute (G.S.) 143-215.1(a)(6)
and NPDES WW Permit No. NCO020354
Chatham Park Investors LLC
Chatham Park Water Recovery Center
Case No. LV-2024-0101
Chatham County
Dear Permittee:
This letter transmits a Notice of Violation and assessment of civil penalty in the amount of $364.77 ($233.00 civil penalty
+ $131.77 enforcement costs) against Chatham Park Investors LLC.
This assessment is based upon the following facts: a review has been conducted of the Discharge Monitoring Report
(DMR) submitted by Chatham Park Investors LLC for the month of September 2023. This review has shown the subject
facility to be in violation of the discharge limitations and/or monitoring requirements found in NPDES WW Permit No.
NC0020354. The violations, which occurred in September 2023, are summarized in Attachment A to this letter.
Based upon the above facts, I conclude as a matter of law that Chatham Park Investors LLC violated the terms, conditions or
requirements of NPDES WW Permit No. NCO020354 and G.S. 143-215.1(a)(6) in the manner and extent shown in
Attachment A. In accordance with the maximums established by G.S. 143-215.6A(a)(2), a civil penalty may be assessed
against any person who violates the terms, conditions or requirements of a permit required by G.S. 143-215.1(a).
Nnrth-1 Deparinxm of"M'-- al Qualm Y I N"A' n( LYal er Rrc --
RaMylt"e wd OiTk<; 3800 Wr-t Drier I Rde196. No, tir Carolina 27609
919.Ni.4200

Based upon the above findings of fact and conclusions of law, and in accordance with authority provided by the
Secretary of the Department of Environmental Quality and the Director of the Division of Water Resources, I, Vanessa E.
Manuel, Assistant Regional Supervisor, Raleigh Regional Office hereby make the following civil penalty assessment against
Chatham Park Investors LLC:
233.00 1 of 1 violations of G.S. 143-215.1(a)(6) and Permit No. NC0020354, by discharging waste water
into the waters of the State in violation of the Permit Daily Maximum for BOD, 5-Day (20 Dep-. Q
- Concentration
233.00 TOTAL CIVII. PENALTY
131.77 Enforcement Costs
364.77 TOTAL AMOUNT DUE
Pursuant to G.S. 143-215.6A(c), in determining the amount of the penalty I have taken into account the Findings of Fact and
Conclusions of Law and the factors set forth at G.S. 14313-282.1(b), which are:
(1) The degree and extent of harm to the natural resources of the State, to the public health, or to private property
resulting from the violation;
(2) The duration and gravity of the violation;
(3) The effect on ground or surface water quantity or quality or on air quality;
(4) The cost of rectifying the damage;
(5) The amount of money saved by noncompliance;
(6) Whether the violation was committed willfully or intentionally;
(7) The prior record of the violator in complying or failing to comply with programs over which the Environmental
Management Commission has regulatory authority; and
(8) The cost to the State of the enforcement procedures.
Within thirty (30) days of receipt of this notice, you must do one of the following:
(1) Submit payment of the penalty, OR
(2) Submit a written request for remission, OR
(3) Submit a written request for an administrative hearing
Option 1: Submit payment of the penalty:
Payment should be made directly to the order of the Department of Environmental Quality (do not include waiver
form). Payment of the penalty will not foreclose further enforcement action for any continuing or new violation(s).
Please submit payment to the attention of:
Wastewater Branch
Division of Water Resources
1617 Mail Service Center
Raleigh, North Carolina 27699-1617

Option 2: Submit a written request for remission or mitigation including a detailed justification for such
request:
Please be aware that a request for remission is limited to consideration of the five factors listed below as they may
relate to the reasonableness of the amount of the civil penalty assessed. Requesting remission is not the proper
procedure for contesting whether the violation(s) occurred or the accuracy of any of the factual statements contained in
the civil penalty assessment document. Because a remission request forecloses the option of an administrative hearing,
such a request must be accompanied by a waiver of your right to an administrative hearing and a stipulation and
agreement that no factual or legal issues are in dispute. Please prepare a detailed statement that establishes why you
believe the civil penalty should be remitted, and submit it to the Division of Water Resources at the address listed below.
In determining whether a remission request will be approved, the following factors shall be considered:
(1) whether one or more of the civil penalty assessment factors in NCGS 14313-282.1(b) was wrongfully
applied to the detriment of the petitioner;
(2) whether the violator promptly abated continuing environmental damage resulting from the violation;
(3) whether the violation was inadvertent or a result of an accident;
(4) whether the violator had been assessed civil penalties for any previous violations; or
(5) whether payment of the civil penalty will prevent payment for the remaining necessary remedial actions.
Please note that all evidence presented in support of your request for remission must be submitted in writing. The
Director of the Division of Water Resources will review your evidence and inform you of his decision in the matter of
your remission request. The response will provide details regarding the case status, directions for payment, and
provision for further appeal of the penalty to the Environmental Management Commission's Committee on Civil Penalty
Remissions (Committee). Please be advised that the Committee cannot consider information that was not part of the
original remission request considered by the Director. Therefore, it is very important that you prepare a complete and
thorough statement in support of your request for remission.
In order to request remission, you must complete and submit the enclosed "Request for Remission of Civil Penalties
Waiver of Ripht to an Administrative Hearing, and Stipulation of Facts" form within thirty (30) days of receipt of this
notice. The Division of Water Resources also requests that you complete and submit the enclosed "Justification for
Remission Request."
Both forms should be submitted to the following address:
Wastewater Branch
Division of Water Resources
1617 Mail Service Center
Raleigh, North Carolina 27699-1617

Option 3: File a petition for an administrative hearing with the Office of Administrative Hearings:
If you wish to contest any statement in the attached assessment document you must file a petition for an administrative
hearing. You may obtain the petition form from the Office of Administrative Hearings. You must file the petition with
the Office of Administrative Hearings within thirty (30) days of receipt of this notice. A petition is considered filed
when it is received in the Office of Administrative Hearings during normal office hours. The Office of Administrative
Hearings accepts filings Monday through Friday between the hours of 8:00 a.m. and 5:00 p.m., except for official state
holidays. The petition may be filed by facsimile (fax) or electronic mail by an attached file (with restrictions) - provided
the signed original, one (1) copy and a filing fee (if a filing fee is required by NCGS § 15013-23.2) is received in the
Office of Administrative Hearings within seven (7) business days following the faxed or electronic transmission. You
should contact the Office of Administrative Hearings with all questions regarding the filing fee and/or the details of the
filing process.
The mailing address and telephone and fax numbers for the Office of Administrative Hearings are as follows:
6714 Mail Service Center
Raleigh, NC 27699 6714
Tel: [phone]
Fax: [phone]
One (1) copy of the petition must also be served on DEQ as follows:
Mr. William F. Lane, General Counsel
Department of Environmental Quality
1601 Mail Service Center
Raleigh, North Carolina 27699-1601
Please indicate the case number (as found on page one of this letter) on the petition.
Failure to exercise one of the options above within thirty (30) days of receipt of this letter, as evidenced by an internal
date.'time received stamp (not a postmark), will result in this matter being referred to the Attorney General's Office for
collection of the penalty through a civil action. Please be advised that additional penalties may be assessed for violations
that occur after the review period of this assessment.
If you have any questions, please contact Cheng Zhang with the Division of Water Resources staff of the Raleigh Regional
Office at [phone] or via email at [e-mail].
Sincerely,
Vanessa E. Manuel, Assistant Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources, NCDEQ
ATTACHMENTS
Cc: Laserfiche

Case Number:
Assessed Party:
Permit No.:
JUSTIFICATION FOR REMISSION REQUEST
LV-2024-0101
Chatham Park Investors LLC
NC0020354
County: Chatham
Amount Assessed: $364.77
Please use this form when requesting remission of this civil penalty. You must also complete the 'Request For Remission,
Waiver of Right to an Administrative Hearing, and Stipulation of Facts" form to request remission of this civil penalty.
You should attach any documents that you believe support your request and are necessary for the Director to consider in
evaluating your request for remission. Please be aware that a request for remission is limited to consideration of the five
factors listed below as they may relate to the reasonableness of the amount of the civil penalty assessed. Requesting
remission is not the proper procedure for contesting whether the violation(s) occurred or the accuracy of any of the factual
statements contained in the civil penalty assessment document. Pursuant to N.C.G.S. § 143B-282.1(c), remission of a civil
penalty may be granted only when one or more of the following five factors apply. Please check each factor that you
believe applies to your case and provide a detailed explanation, including copies of supporting documents, as to why the
factor applies (attach additional pages as needed).
(a) one or more of the civil penalty assessment factors in N.C.G.S. 14313-282.1(b) were wrongfully applied to the
detriment of the petitioner (the assessment factors are listed in the civil penalty assessment document);
(b) the violator promptly abated continuing environmental damage resulting from the violation (i.e., explain the
steps that you took to correct the violation and prevent future occurrences);
(c) the violation was inadvertent or a result of an accident (i.e., explain why the violation was unavoidable or
something you could not prevent or prepare for);
(d) the violator had not been assessed civil penalties for any previous violations;
(e) payment of the civil penalty will prevent payment for the remaining necessary remedial actions (i.e., explain
how payment of the civil penalty will prevent you from performing the activities necessary to achieve
compliance).
EXPLANATION:

STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY
COUNTY OF CHATHAM
IN THE MATTER OF ASSESSMENT ) WAIVER OF RIGHT TO AN
OF CIVIL PENALTIES AGAINST ) ADMINISTRATIVE HEARING AND
STIPULATION OF FACTS
Chatham Park Investors LLC )
Chatham Park Water Recovery Center )
PERMIT NO. NCO020354 ) CASE NO. LV-2024-0101
Having been assessed civil penalties totaling $364.77 for violation(s) as set forth in the assessment document of the Division
of Water Resources dated April 26, 2024, the undersigned, desiring to seek remission of the civil penalty, does hereby waive
the right to an administrative hearing in the above -stated matter and does stipulate that the facts are as alleged in the
assessment document. The undersigned further understands that all evidence presented in support of remission of this civil
penalty must be submitted to the Director of the Division of Water Resources within thirty (30) days of receipt of the notice
of assessment. No new evidence in support of a remission request will be allowed after (30) days from the receipt of the
notice of assessment.
This the
day of
ADDRESS
TELEPHONE
SIGNATURE
20

ATTACHMENT A
Chatham Park Investors LLC
CASE NUMBER: LV-2024-0101
PERMIT: NCO020354
FACILITY: Chatham Park Water Recovery Center
LIMIT VIOLATION(S)
SAMPLE LOCATION:
Outfall 001 B - Effluent
Violation Report
Date Month/Yr
Parameter
9/28/2023 9-2023
BOD, 5-Day (20 Deg.
C) - Concentration
REGION: Raleigh
COUNTY: Chatham
Unit of Limit Calculated % Over Violation Penalty
Frequency Measure Value Value Limit Type Amount
5 X week mg/I 7.50 9.8 30.7 Daily $233.0(
Maximum
Exceeded

DIVISION OF WATER RESOURCES - CIVIL PENALTY ASSESSMENT
Violator: Chatham Park Investors LLC
Facility Name: Chatham Park Water Recovery Center
Permit Number: NC0020354
County: Chatham
Case Number: LV-2024-0101
ASSESSMENT FACTORS
1) The degree and extent of harm to the natural resources of the State, to the public health, or to private property
resulting from the violation;
No known damage to environment, public health or private property
2) The duration and gravity of the violation; 30•-4*/o evez 14,E Ae,, Ay,. 'f G.,%A
One daily maximum exceeded for BOD.
3) The effect on ground or surface water quantity or quality or on air quality;
Not documented.
4) The cost of rectifying the damage;
Not documented.
5) The amount of money saved by noncompliance;
It is not believed that any money was saved by these violations. Any money saved by noncompliance is de minimis
6) Whether the violation was committed willfully or intentionally;
It is not believed that the violations were committed intentionally.
7) The prior record of the violator in complying or failing to comply with programs over which the Environmental
Management Commission has regulatory authority; and
There have been 6 CPAs in the past year.
8) The cost to the State of the enforcement procedures.
$131.77
ZY-
Date Vanessa E. Manuel, Assistant Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources, NCDEQ

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November 27, 2023
North Carolina Department of Environmental Quality
Division of Water Resources
Attn: Vanessa E. Manuel, Assistant Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
3800 Barrett Drive
Raleigh, NC 27609
RE: Notice of Violation & Intent to Assess Civil Penalty
Tracking Number: NOV-2023-LV-0860
Chatham Park Recovery Center
Chatham County
Dear Ms. Manuel:
This letter is in response to the NCDEQ-DWR letter of November 21, 2023 regarding the violation
that was identified through the review of discharge monitoring reports (DMRs) for the September
2023 monitoring period.
The letter identified one exceedance for this period and was identified as Daily Maximum
Exceeded for BOD, 5-Day (20 Deg. C) — Concentration (C0310).
This exceedance can be attributed to the low flow and the inability to perform efficient treatment at
the low flows experienced by the facility. The average flow for this period was 21,000 gallons per
day which is less than 5 percent of permitted flow, which leads to treatment inefficiencies. Effluent
sampling results for the day previous were < 2.0 mg/L and the day following 2.2 mg/l., with no
operational changes or modifications to plant operations. With an increase in flow, the plant will
be able to more efficiently provide adequate and efficient treatment.
Thank you again for continuing to work with the Chatham Park Water Recovery Center. We look
forward to working with NCDEQ-DWR in a very positive and proactive manner as we continue to
improve the facility's environmental stewardship. If upon receipt and review of this information
you have any questions or would like to discuss this matter at greater length, please do not hesitate
to contact me at your earliest convenience at [phone] or Tim Smith at [phone].

Sincerely,
McKim & Creed
v A/a
James W. Holland, PE
Process Group Leader
cc: Tim Smith
File

DocuSign Envelope ID: 5D76241A-OBF4-481A-AO53-7D1409377CDF
ROY COOPER
Governot
ELIZABETH S. BISER
Secr'etur)
RICHARD E. ROGERS. JR.
Director
Certified Mail # 7017 2680 0000 2237 3369
Return Receipt Requested
Timothy R. Smith, Vice President
C/O Robin R. Rose
Chatham Park Investors LLC
105 Weston Estates Way
Cary, North Carolina 27513
.. SIATp
�/ 3'F
NORTH CAROLINA
Environmental Quality
November 21, 2023
SUBJECT: NOTICE OF VIOLATION & INTENT TO ASSESS CIVIL PENALTY
Tracking Number: NOV-2023-LV-0860
Permit No. NCO020354
Chatham Park Water Recovery Center
Chatham County
Dear Permittee:
A review of the September 2023 Discharge Monitoring Report (DMR) for the subject facility revealed the
violation(s) indicated below:
Limit Exceedance Violation(s):
Sample
Location Parameter
001E Effluent
BOD, 5-Day (20 Deg. C) -
Concentration (C0310)
Limit Reported
Date Value Value Type of Violation
9/28/2023 7.5 9.8 Daily Maximum Exceeded
A Notice of Violation/Intent to Issue Civil Penalty is being issued for the noted violation of North Carolina General
Statute (G.S.) 143-215.1 and the facility's NPDES WW Permit. Pursuant to G.S. 143-215.6A, a civil penalty of
not more than twenty-five thousand dollars ($25,000.00) may be assessed against any person who violates or
fails to act in accordance with the terms, conditions, or requirements of any permit issued pursuant to G.S.
143-215.1.
t+iar,+'irsa kpmvnent o!En: mini nndtjunloy ! fti+klnnof Waty N—curvr
D_RACI,;h keq:owl 0111" 33006ma! uii,p,IR31,fyh,hortl!Candlun_>ti!bl

DocuSign Envelope ID: 5D76241A-OBF4-481A-AO53-7D1409377CDF
If you wish to provide additional information regarding the noted violation, request technical assistance, or
discuss overall compliance please respond in writing within ten (10) business days after receipt of this Notice. A
review of your response will be considered along with any information provided on the submitted Monitoring
Report(s). You will then be notified of any civil penalties that may be assessed regarding the violations. If no
response is received in this Office within the 10-day period, a civil penalty assessment may be
prepared.
Remedial actions should have already been taken to correct this problem and prevent further occurrences in the
future. The Division of Water Resources may pursue enforcement action for this and any additional violations of
State law. If the violations are of a continuing nature, not related to operation and/or maintenance problems,
and you anticipate remedial construction activities, then you may wish to consider applying for a Special Order by
Consent.
Reminder: Pursuant to Permit Condition 6 in Section E, the Permittee is required to verbally notify the Regional
Office as soon as possible, not to exceed 24 hours, from first knowledge of any non-compliance at
the facility including limit violations, bypasses of, or failure of a treatment unit. A written report may
be required within 5 days if directed by Division staff. Prior notice should be given for anticipated or
potential problems due to planned maintenance activities, taking units off-line, etc.
If you have any questions concerning this matter or to apply for an SOC, please contact Cheng Zhang of the
Raleigh Regional Office at 919-791-4200.
Cc: Laserfiche
Sincerely,
DocuSigned by:
E
ta� X f. halw.d
82916E6AB32144F
Vanessa E. Manuel, Assistant Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources, NCDEQ
Nwrh iaro'ina Mp ,Iln t of ry . Sl:::xr»n,+:`Waur Re,'v—
_..»D ��� Rat;igh Reg:onat011ke l3:l00&Wfelt odvc Raleigh Noahch 141a2""09
41•i Toi J2U0

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EFFLUENT
Permit No.: NCO020354 Discharge No.: 001 B Month: September Year: 2023
Facility Name: CPWRC County: Chatham Class: III
Operator In Responsible Charge (ORC): Scott Siletzky Grade: IV ORC Certification # 24383
Certified Laboratories: (1) Meritech (2)
Check box if ORC has changed 0 Person(s) Collecting Samples: Scott Siletzky
Mail ORIGIONAL and ONE Copy to:
DWO / NCDENR ��' 10 a3 'ds
Information Processing Unit (Signature of Operator in Responsible 01 rg) Da
1617 Mail Service Center By this signature, I certify that this report Is accurate and
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2.3
3
< 0.1
7.5
24.5
7.7
< 1
9
N
0.031
10
N
0.013
11
8:30
7.0
Y
0.017
2.6
< 2.5
< 0.1
7.5
24.7
7.3
6
12
8:30
3.5
Y
0.020
< 2.0
< 2.5
0.3
7.5
24.6
7.1
1
13
8:30
1 2.5
Y
0.016
1 -2.6
3
<0.1
7.3
24.7
7.7
5
14
8:00
1 3.5
Y
0.021
2.3
3
< 0.1
7.3
25.0
7.5
2
15
8:00
1.4.0
Y
0.023
1 2.1
4
< 0.1
7.3
24.6
7.4
3
16
1
N
0.005
17
N
0.020
18
8:30 1
3.5
Y
0.027
5.0
3
< 0.1
T
7.4
24.2
7.4
2
19
8:30 1
3.0
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<2.0
<2.6
<0.1
7.5
24.1
7.5
<1
20
8:30 1
3.0
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0.026
2.9
< 2.6
< 0.1
7.5
24.8
7.7
< 1
21
8:30 1
3.5
Y 1
0.026
< 2.0
3
< 0.1
7.5
•24.2
7.9
1
22
8:30 1
3.0
Y
0.020
< 2.0
3
0.1
7.5
24.1
7.5
1
23
1
N
0.038
24
12:301
1.0
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8:30 1
3.0
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2.0
< 2:5
< 0.1
T4
23.9
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26
8:30 1
3.5
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< 1
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8:30 1.2.5
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< 2.0
< 2.5
< 0.1
7.4
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8.1
< 1
28
8:30 1
2.5
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0.025
9.8
< 2.5
< 0.1
7.4
23.9
7.9
< 1
29
8:30
2.5
Y
0.025
2.2
< 2.5
< 0.1
7.5
23.6
7.2
1
30
N
0.020
T #VERAGE
0.021
2.3
1.5
0.02
24.3
7.5
2
MAXIMUM
0.038
0.643
9.8. 1
5
0.3 1
7.6
25
8.1
6
C0,44 fA1 UM
�
0.005
Continous
< 2.0
< 2.5
< 0.1
7.3
23.6
7.1
41
(G)
Calculate4
C
C
C
G
G
G
G
G
Monthly Limit
0.499 Mc3D
M&R
5.0 mg/L
30 mg/L
1.0 m
50 u /L
6-9 s.u.
WR
M&R
200/100 ml

Facility Status: (Please check one of the following)
All monitoring data and sampling frequencies meet permit requirements:
Compliance
All monitoring data and sampling frequencies do NOT meet permit requirements:
Noncompliance
If the facility is non -compliant please comment on corrective actions being taken in respect to equipment,
operation, maintenance, etc., and time table for improvements to be made.
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision
in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the
information submitted. Based on my inquiry of the person or persons who manage the system, or those persons
directly responsible for gathering the information, the information submittes is, to the best of my knowledge and belief,
true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
Including the possibility of fines and imprisonment for knowing violations"
2261 Bus-64 Pittsboro, NC 2731
Address)
00010 Temperature
00076 Turbidity
00080 Color(Pt-Co)
00082 Color(ADMI)
00095 Conductivity
00300 Dissolved Oxygen
00310 BOD5
00340 COD
00400 pH
00530 Total Suspended Residue
00545 Settleable Matter
00556 Oil & Grease
Scott A. Si
print
(Signature
Parameter Codes
777-1781
Number)
00600 Total Nitrogen
01027 Cadmium
00610 Ammonia Nitrogen
01032 Hexavalent Chromium
00625 Total Kleldahl Nitrogen
01034 Chromium
00630 Nitrates/Nitdtes
01037 Total Cobalt
00666 Total Phosphorus
01042 Copper
00720 Cyanide
00745 Total Sulfide
00927 Total Magnesium
00929 Total Sodium
00940 Total Chloride
00951 Total Flouride
01002 Total Arsenic
01045 Iron
01051 Lead
01067 Nicke!
01077 Silver
01092 Zinc
01105 Aluminum
01147 Total Selenium
April 30, 2026
(Permit Exp. Date)
31616 Fecal Colitorrn
32730 Total Phenol
34235 Benzene
34481 Toluene
38260 MBAs
39516 PCBs
50050 Flow
50060 Total Residual Chlorine
71880 Formaldehyde
71900 Mercury
81551 Xylene
Parameter Code assistance may be obtained by calling the Water Quality Compliance Group at [phone], Extension 581 or 534.
The monthly average for Fecal Coliform is to be reported as a GEOMETRIC MEAN Use only units designated in the reporting facility's
permit for reporting data.
"ORC must visit facility and document visitation of facility per 15A NCAC 8A.0202 (b)(5)(B).
"if signed by other than permittee, delegation of signatory authority must be on file with the state per 15A NCAC 28.0506 (b)(2)(D).

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DocuSign Envelope ID:3D7E3FEB-A3FF-4FF6-AIAD-F59B27FOD696
NPDES Permit NCO020354
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended, the
Town of Pittsboro and Chatham Park Investors LLC
are hereby authorized to discharge wastewater from a facility located at the
Town of Pittsboro WWTP
458 Small Street
Chatham County
Chatham Park Water Recovery Center
2261 US Highway 64 Business East
Chatham County
to receiving waters designated as Robeson Creek and the Haw River in the Cape Fear River Basin
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in
Parts 1, II, III, and IV hereof.
This pen -nit shall become effectiN e..............................
This permit and the authorization to discharge shall expire at midnight on
Signed this day ......................... May 5, 2021.
DocuSigned by: � � A� � �y (�� � � A
C464631431644FE
................ June 1, 2021.
.............. April 30.2026.
for S. Daniel Smith, Director
Division of Water Resources
By Authority of the Environmental Management Commission
Page 1 of 25

NPDES Permit NC0020354
Chatham Park Investors LLC
is hereby authorized to:
1. After receiving an Authorization to Construct from the Division for both the activation of the
existing Chatham Park WRC (formerly known as the Chatham Park Decentralized Water Resource
Recovery Facility) as a direct discharge facility and the connection of necessary sewer line to the
Town of Pittsboro's collection system for discharge through Outfall 001B, operate an existing 0.499
MGD treatment system consisting of the following components:
• Raw wastewater transfer pump station
• Influent pump station
• Mechanical bar screens
• Influent three-way splitter box
• Odor control
• Chemical feed system
• Phosphorous removal
• Four -stage biological membrane bio reactor system
• Intermediate screening
• Membrane filtration
• Sludge holding tank
• Ultraviolet disinfection
• Chlorine disinfection for reclaimed water
• Reclaimed water holding tank
• Reclaimed water pump station
• Effluent flow measurement
• Effluent pump station
The facility is located at the Chatham Park WRC, 2261 US Highway 64 Business East, Pittsboro in
Chatham County.
2. Discharge from said treatment works at the location specified on the attached map into Robeson
Creek (0.499 MGD, outfall 001B), classified as WS-IV NSW waters in the Cape Fear River Basin.
NOTE: The use of "Permittee" in this permit generally refers to both Co-Permittees, which share
responsibilities for the discharge. However, it may refer to one Co-Permittee or the other, depending on
the context. All Co-Permittees are jointly liable for violations of this permit, regardless of any and all
external Agreements between parties. External agreement conditions do not override or supersede
regulatory conditions.
Page 3 of 25

DocuSign Envelope ID: 3D7E3FEB-A3FF-4FF6-AIAD-F59B27FOD696
NPDES Permit NCO020354
A.(3.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - Outfall 001B
[15A NCAC 02B .0400 et seq., 02B .0500 et sea.] Grade III Biological Water
Pollution Control System [15A NCAC 08G .0302]
(a.) Beginning upon receipt of engineer's certificate for the construction of the sewer connection to the
Pittsboro WWTP and the activation of the Chatharn Park Water Recovery Center, and lasting
until permit expiration, Chatham Park Investors LLC is authorized to discharge treated
wastewater from Outfall 001B to Robeson Creek. Such discharges shall be limited and
monitored' by the Permittee as specified below:
PARAMETER
ParameterCode
EFFLUENT LIMITATIONS
MONITORING REQUIREMENTS
Monthly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location Z
Flow 50050
0.499 MGD
Continuous
Recording
I or E
Total Monthly Flow,
MG/month 82220
Monitor and Report
Monthly
Recorded or
Calculated
I or E
BODs (20°C)3 C0310
(April 1 - October 31)
5.0 mg/L
7.5 mg/L
Daily4
Composite
I and E
BODs (20°C)3 C0310
(November 1 - March 31)
10.0 mg/L
15.0 mg/L
Daily4
Composite
I and E
Total Suspended Solids3 C0530
30.0 mg/L
45.0 mg/L
Daily4
Composite
I and E
Ammonia (NH3 as N) C0610
1.0 mg/L
5.0 mg/L
Daily4
Composite
E
Total Residual Chlorines 50060
17 pg/L
Daily4
Grab
E
pH6 00400
Between 6.0 and 9.0 standard
units
Daily4
Grab
E
Temperature, °C 00010
Monitor and Report
Daily
Grab
E
Dissolved Oxygen, mg/L6 00300
Monitor and Report
Daily4
Grab
E
Fecal Coliform6 31616
(geometric mean)
200/100 mL
400/100 mL
Daily4
Grab
E
Conductivity 00094
Monitor and Report
Daily4
Grab
E
TKN, mg/L 7 00625
Monitor and Report
Weekly
Composite
E
NO3-N + NO2-N, mg/L 7 00630
Monitor and Report
Weekly
Composite
E
TN, mg/L 7 C0600
Monitor and Report
Weekly
Composite
E
TN Load e.9 QM600
QY600
Monitor & Report (lb/mo)
Monitor & Report (lb/yr)
Monthly
Annually
Calculated
E
Total Phosphorus, mg/L C0665
2.0 mg/L (quarterly average)'"
Weekly
Composite
E
TP Load 11.9 QM665
QY665
Monitor & Report (lb/mo)
Monitor & Report (lb/yr)
Monthly
Annually
Calculated
E
Nitrate 00620
10.2 mg/L
Monthly
Composite
E
Total Copper 01042
18.5 pg/L
1 26.7 pg/L
Monthly
Composite
E
TDS 70295
Monitor and Report
Quarterly
Composite
E
Total Hardness [as CaC031, 00900
mg/Lll
Monitor and Report
Quarterly
Composite
E
Chronic Toxicity12 TGP3B
See Note 12
Quarterly
Composite
E
Effluent Pollutant Scan NC01
Monitor and Report
Footnote 13
E
All footnotes are listed on the following page.
Page 8 of 25

NPDES Permit NCO020354
Footnotes from Effluent Limitations and Monitoring Requirements (Outfall 001B):
1. The Permittee shall submit discharge monitoring reports electronically using NC DWR's eDMR
application system. See Special Condition A. (13.)
2. Sample locations: I = Influent; E = Effluent
3. The monthly average BOD; and Total Suspended Residue concentrations shall not exceed 15% of the
respective influent value (85% removal).
4. Upon decommissioning of the Pittsboro WWTP, and upon Division approval of a submitted data review
and monitoring frequency reduction justification for each parameter, begin sampling for BOD5, TSS,
ammonia, total residual chlorine, pH, dissolved oxygen, fecal coliform and conductivity at a monitoring
frequency of 3/week. The frequency reduction could be for one or more or all parameters.
5. Total Residual Chlorine limit applies if chlorine or chlorine derivative is used for disinfection. The
Division shall consider all effluent TRC values reported below 50 µg/1 to be in compliance with this
permit. The Permittee shall continue to record and submit all values reported by a North Carolina
certified laboratory even if these values fall below 50 µg/l.
6. Effluent sampling for fecal coliform, pH and dissolved oxygen shall be conducted at the manhole
sampling location just prior to combination of flow with the Pittsboro WWTP. Upon decommissioning of
the Pittsboro WWTP, effluent sampling for dissolved oxygen shall instead be conducted at the cascade
aerator, just prior to discharge into Robeson Creek and effluent sampling for fecal coliform and pH shall
be conducted at the remaining Pittsboro WWTP UV disinfection channel.
7. TN = TKN + NO,-N + NO2-N, where TN is Total Nitrogen, TKN is Total Kjeldahl Nitrogen, and NO3-N
and NO2-N are Nitrate and Nitrite Nitrogen, respectively.
8. TN or TP Load is the mass quantity of Total Nitrogen or Phosphorus discharged in a given period of
time. See Condition A. (9.).
9. Limits for TN and TP are specified in Conditions A.(5.) and A.(6.). Compliance with mass limits shall be
determined in accordance with Conditions A.(7.) and A.(8.).
10. The quarterly average for total phosphorus shall be the average of composite samples collected weekly
during each calendar quarter (January -March, April -June, July -September, October -December).
11. Effluent hardness sampling should be performed in conjunction with testing for hardness dependent
metals (cadmium, copper, lead, nickel, silver, and zinc).
12. Chronic Toxicity (Ceriodaphnia) P/F at 90%; March, June, September & December. See Condition A.(10.).
13. The Effluent Pollutant Scan requirement applies once the facility exceeds a design flow of 1.0 MGD,
establishes a pretreatment plan, or connects to Big Buffalo WWTP. The Permittee shall perform three
effluent pollutant scans during the term of this permit [see condition A. (11.)].
(b.) There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 9 of 25