NC0070394_Draft Permit_20230711

A�STAEq
de F; ta, e
ROY COOPER 4 4
Governor „r
ELIZABETH S.BISER „ agn
Secretary �` `�
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
July 11,2023
Mr.Max Hopper
Willowbrook Run POA
P.O.Box 182
Linville Falls,NC 28647-0182
Subject: Draft NPDES Permit NC0070394
Willowbrook Park WWTP
Grade WW-2 WPCS
Macon County
Dear Permittee:
The Division has reviewed your request to renew the subject permit.Enclosed with this letter is a copy of the draft
permit for your facility. Please review this draft carefully to ensure your thorough understanding of the
information,conditions,and requirements it contains.
The draft permit includes the following significant changes from the existing permit:
➢ Corrected Owner name as per Ownership Change form submitted 3/14/2023.
➢ Corrected facility name as per permit renewal application submitted 6/21/2023.
➢ Electronic data submission requirements have been updated.
➢ Added monitoring for turbidity to determine compliance with 15A NCAC 02B.0211 (21).
➢ Added instream temperature monitoring to determine compliance with 15A NCAC 02B.0211 (18).
D. Added monitoring for dissolved oxygen to determine compliance with 15A NCAC 02B.0211 (6).
The NPDES standard conditions(Parts II,III, and IV)that are a part of the permit are not included in this draft
document(cover,map,and Part I). The conditions are the same as in your current permit except that agency and
division names have been updated. The latest version is available at https://bit.ly/3k5NFaL and can be viewed
online or downloaded as a PDF file.
With this notification,the Division will solicit public comment on this draft permit by publishing a notice in
-_ „ newspapers having circulation in the general-Maeon Bounty area,per EPA requirements.Please provide youth —
comments,if any,to me at the e-mail address below no later than 30 days after receiving this draft permit.
Following the 30-day public comment period,the Division will review all pertinent comments and take
appropriate action prior to issuing a final permit. If you have questions concerning the draft, please contact me at
charies.weaver( .nc.gov.
Si ncerei y,
Z.(141(61- ' /)1
Environmental Specialist II
NPDES Compliance and Expedited Permitting
-y� North Carolina Department of Environmental Quality I Division of Water Resources
D QJ� 512 North Salisbury Street 1 1617 Mail Service Center I Raleigh,North Carolina 27699-1617
'H INA 919 707 9000
e.yYbiMrt m faMeow end al 5, ey

Permit NC0070394
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision 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,
Willowbrook Run Property Owners Association
is hereby authorized to discharge wastewater from a facility located at the
Willowbrook Park WWTP
17 McClure Mill Road
Franklin
Macon County
to receiving waters designated as Coweeta Creek in subbasin 04-04-01 of the Little Tennessee River Basin in
accordance with effluent limitations,monitoring requirements, and other conditions set forth in Parts I, II, III, and
IV hereof.
This permit shall become effective
This permit and authorization to discharge shall expire at midnight on July 31,2028.
If the permittee intends to continue to discharge at the facility beyond the term of this permit, a renewal
application must be submitted no later than February 2, 2028 (180 days before the expiration of this
permit).
Signed this day
r w
isi (. dr,
Richard . Rogers, Jr., Director
Division of Water Resources
By Authority of the Environmental Management Commission
Page 1 of 6

Permit NC0070394
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked As of this permit
issuance, any previously issued permit bearing this number is no longer effective. Therefore, the exclusive authority to
operate and discharge from this facility arises under the permit conditions, requirements, terms, and provisions included
herein.
The Willowbrook Run Property Owners Association is hereby authorized to:
1. Continue to operate an existing 0.0246 MGD extended aeration wastewater treatment system that
includes the following components:
• Digestor
• Aeration basin
• Clarifier
• Chlorine contact chamber
• Dechlorination chamber
This class WW-2 facility is located at the Willowbrook Park WWTP off McClure Mill Road, south of
Franklin in Macon County.
2. Discharge from said treatment works at the location specified on the attached map into Coweeta Creek,
currently classified B-Trout waters in hydrologic unit 06010202 of the Little Tennessee River Basin.
Page 2 of 6

Permit NC0070394
Part I
Grade WW-2 Water Pollution Control System [15A NCAC 08G.0302]
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.]
During the period beginning on the effective date of this permit and lasting until expiration, the Permittee is
authorized to discharge from outfall 001. Such discharges shall be limited and monitored' by the Permittee as
specified below:
PARAMETER LIMITS MONITORING REQUIREMENTS
Monthly Daily Measurement Sample Type Sample
[Parameter Code] Average Maximum Frequency Location
Flow Influent or
0.0246 MGD Weekly Instantaneous
[50050] Effluent
BOD, 5-day(20°C) 30.0 mg/L 45.0 mg/L Weekly Grab Effluent
[00310]
Total Suspended Solids 30.0 mg/L 45.0 mg/L Weekly Grab Effluent
[00530]
NH3 as N Weekly Grab Effluent
[00
[00610]
Fecal Coliform [31616] 200/100 ml 400/100 ml Weekly Grab Effluent
(geometric mean)
Total Residual Chlorine2(TRC) 17 µg/L 2/Week Grab Effluent
[50060]
Temperature(°C) Daily Grab Effluent
[00010]
Temperature(°C)3 Weekly Grab U &D
[00010]
Dissolved Oxygen Weekly Grab Effluent
[00300]
-_ Turbidity Weekly Grab Effluent
[00070]
pH >6.0 and<9.0 standard units Weekly Grab Effluent
[00400]
Footnotes:
1. The Permittee shall submit discharge monitoring reports electronically using the Division's eDMR system [see
A. (2.).]
2. The Permittee shall report all effluent TRC values reported by a NC-certified laboratory [including field-
certified]. Effluent values<50 µg/L will be treated as zero for compliance purposes.
3. U: upstream at least 50 feet from the outfall. Downstream at least 100 feet from the outfall
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 3 of 6

Permit NC0070394
A. (2.) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS
[NCGS 143-215.1 (b)]
Federal regulations require electronic submittal of all discharge monitoring reports(DMRs)and program
reports. The final NPDES Electronic Reporting Rule was adopted and became effective on December
21, 2015.
NOTE: This special condition supplements or supersedes the following sections within Part II of this
permit(Standard Conditions for NPDES Permits):
• Section B. (11.) Signatory Requirements
• Section D. (2.) Reporting
• Section D. (6.) Records Retention
• Section E. (5.) Monitoring Reports
1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (all
The permittee shall report discharge monitoring data electronically using the NC DWR's Electronic
Discharge Monitoring Report(eDMR) internet application.
Monitoring results obtained during the previous month(s) shall be summarized for each month and
submitted electronically using eDMR. The eDMR system allows permitted facilities to enter
monitoring data and submit DMRs electronically using the internet. The eDMR system may be
accessed at: https://deq.nc.gov/about/divisions/water-resources/edmr.
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility
being physically located in an area where less than 10 percent of the households have broadband
access,then a temporary waiver from the NPDES electronic reporting requirements may be granted
and discharge monitoring data may be submitted on paper DMR forms(MR 1, 1.1,2, 3) or
alternative forms approved by the Director. Duplicate signed copies shall be submitted to the
following address: _
- NC DEQ/Division of Water Resources/Water Quality Permitting Section
ATTENTION: Central Files
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
See"How to Request a Waiver from Electronic Reporting" section below.
Monitoring results obtained during the previous month(s) shall be summarized for each month and
reported via the eDMR system no later than the last calendar day of the month following the
completed reporting period. Regardless of the submission method,the first DMR is due on the last
day of the month following the issuance of the permit or in the case of a new facility, on the last day
of the month following the commencement of discharge.
Starting on December 21,2025,the permittee must electronically report the following compliance
monitoring data and reports,when applicable:
Page 4 of 6

Permit NC0070394
• Sewer Overflow/Bypass Event Reports;
• Pretreatment Program Annual Reports; and
• Clean Water Act(CWA) Section 316 (b)Annual Reports.
The permittee may seek an electronic reporting waiver from the Division (see "How to Request a
Waiver from Electronic Reporting" section below).
2. Electronic Submissions
In accordance with 40 CFR 122.41(1)(9),the permittee must identify the initial recipient at the time
of each electronic submission. The permittee should use the EPA's website resources to identify the
initial recipient for the electronic submission.
Initial recipient of electronic NPDES information from NPDES-regulated facilities means the entity
(EPA or the state authorized by EPA to implement the NPDES program)that is the designated entity
for receiving electronic NPDES data [see 40 CFR 127.2 (b)].
EPA plans to establish a website that will also link to the appropriate electronic reporting tool for
each type of electronic submission and for each state. Instructions on how to access and use the
appropriate electronic reporting tool will be available as well. Information on EPA's NPDES
Electronic Reporting Rule is found at: https://www.federalregister.gov/documents/2015/10/22/2015-
24954/national-po llutant-di scharge-elimination-sy stem-npdes-electronic-reporting-rule
Electronic submissions must start by the dates listed in the"Reporting Requirements" section above.
3. How to Request a Waiver from Electronic Reporting
The permittee may seek a temporary electronic reporting waiver from the Division. To obtain an
electronic reporting waiver, a permittee must first submit an electronic reporting waiver request to
the Division. Requests for temporary electronic reporting waivers must be submitted in writing to
the Division for written approval at least six (60) days prior to the date the facilitywould be _
---- required under this permit to begin-submitting moil toring-data=and.reports. The duration of a -- ---- -- -
-
temporary waiver shall not exceed 5 years and shall thereupon expire. At such time, monitoring data
and reports shall be submitted electronically to the Division unless the permittee re-applies for and is
granted a new temporary electronic reporting waiver by the Division. Approved electronic reporting
waivers are not transferrable. Only permittees with an approved reporting waiver request may
submit monitoring data and reports on paper to the Division for the period that the approved
reporting waiver request is effective.
Information on eDMR and the application for a temporary electronic reporting waiver are found on
the following web page:
http://deq.nc.gov/about/divisions/water-resources/edmr
Page 5 of 6

Permit NC0070394
4. Signatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section B. (11.) (d)1
All eDMRs submitted to the permit issuing authority shall be signed by a person described in Part II,
Section B. (11.)(a)or by a duly authorized representative of that person as described in Part II,
Section B. (11.)(b). A person, and not a position, must be delegated signatory authority for eDMR
reporting purposes.
For eDMR submissions,the person signing and submitting the DMR must obtain an eDMR user
account and login credentials to access the eDMR system. For more information on North
Carolina's eDMR system, registering for eDMR and obtaining an eDMR user account,please visit
the following web page:
http://deq.nc.gov/about/divisions/water-resources/edmr
Certification. Any person submitting an electronic DMR using the state's eDMR system shall make
the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION
WILL BE ACCEPTED:
"1 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 gather and evaluate 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 submitted 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 offines and imprisonment for knowing violations."
5. Records Retention [Supplements Section D. (6.)1
The permittee shall retain records of all Discharge Monitoring Reports, including eDMR
submissions. These records or copies shall be maintained for a period of at least 3 years from the
date of the report. This period may be extended by request of the Director at any time [40 CFR
122.41].
Page 6 of 6

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NC0070394 — Willowbrook Park WWTP Facility
AN"
Latitude: 35205'04" Stream Class: B-Trout Location
Longitude: 83223'12" Sub-basin:04-04-01
HUC: 06010202 River Basin: Little Tennessee
Receiving Stream:Coweeta Creek Macon County
Map not to scale