NC0052043_Draft Permit_20220712

ROY COOPER
Governor - •`
ELIZABETHt I
S.BISER ti 'TIC
Secretary
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
July 12,2022
Mr. Thomas Maholias
Toxaway Falls POA, Inc.
P.O.Box 270
Lake Toxaway,NC 28747-0270
Subject: Draft NPDES Permit NC0052043
Toxaway Falls WWTP
Grade WW-2 Biological WPCS
Transylvania 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:
> Requirements for eDMR submission have been updated.
> Parameter codes have been updated.
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/2BZ4xxx 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 Transylvania County area,per EPA requirements.Please provide
your comments,if any,to me at the 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
919-707-3616,or via e-mail at [e-mail].
Sincerely,
7111/1°- . /)7
Environmental Specialist II
NPDES Compliance and Expedited Permitting
North a en of Enronm Quality Divo oo
er arHciwo�r+nD \ �� 512 NortCarolinh SalisbDurypartme Street t 1161 vi1 Mail Service
ental CenterI I Raleigh.isin f NortWaterh CarolinaResurces 27699-1611
o.n.�wuwsurli%mr 919.707.9000
1

Permit NC0052043
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,the
Toxaway Falls POA, Inc.
is hereby authorized to discharge wastewater from a facility located at the
Toxaway Falls WWTP
Toxaway River Rd
Transylvania County
to receiving waters designated as the Toxaway River in subbasin 03-13-02 of the Savannah 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 June 30, 2027.
Signed this day
Richard E. Rogers, Jr., Director
Division of Water Resources
By Authority of the Environmental Management Commission
Page 1 of 7

Permit NC0052043
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 Toxaway Falls POA is hereby authorized to:
1. Continue to operate an existing 0.010 MGD extended aeration package-type wastewater treatment
system that includes the following components:
• 10,150-gallon aeration basin with dual blowers
• 1685-gallon rectangular clarifier with sludge return
• Ultrasonic flow meter
• Tablet chlorine disinfection
• 260-gallon chlorine contact chamber
• Tablet dechlorination
The facility is located west of Rosman at the Toxaway Falls WWTP off Toxaway River Rd in
Transylvania County.
2. After receiving an Authorization to Construct permit from the Division, construct and operate a 0.12
MGD wastewater treatment facility.
3. Discharge from said treatment works at the location specified on the attached map into the
Toxaway River(Stream Index 4-(4)), currently classified C waters in hydrologic unit 03060101 of the
Savannah River Basin.
Page 2 of 7

Permit NC0052043
PART I
Grade WW-2 Biological Water Pollution Control System [15A NCAC 08G.0306]
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [0.01 MGD]
[15 NCAC 02B .0400 et seq., 02B .0500 et seq.]
During the period beginning on the effective date of this permit and lasting until expansion to 0.12 MGD or
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
[eDMR Code] Monthly Daily Measurement Sample Sample
Average Maximum Frequency Type Location
Flow 0.010 MGD Continuous Recording Influent or
[50050] Effluent
5-day(20°C)
[C0310] 30.0 mg/L 45.0 mg/L Weekly Grab Effluent
[CO3
Total Suspended Solids 30.0 mg/L 45.0 mg/L Weekly Grab Effluent
[C0530]
NH3 as N Monitor&Report 2/Month Grab Effluent
[C0610]
pH
>6.0 and <9.0 standard units Weekly Grab Effluent
[0
[00400] —
Fecal Coliform (geometric mean) 200/100 mL ' 400/100 mL Weekly Grab Effluent
[31616]
Total Residual Chlorine2 28 pg/L 2/Week Grab Effluent
[50060]
Footnotes:
1. The permittee shall submit discharge monitoring reports electronically using the Division's eDMR system [see A. (4)].
2. The Permittee shall report all effluent TRC values reported by a NC-certified laboratory[including field-certified].
Effluent values<50 ag/L will be treated as zero for compliance purposes.
All samples much be collected from a typical discharge event.
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN
TRACE AMOUNTS.
A. (2) PHASED CONSTRUCTION CONDITION
If this facility is built in phases,plans and specifications for the next phase shall be submitted when the flow to the
existing units reaches 80% of the design capacity of the facilities online. At no time may the flow tributary to the
facility exceed the design capacity of the existing units. Furthermore, this facility will need to justify the need for
specific design flows prior to a request for expansion.
Page 3 of 7

Permit NC0052043
A. (3) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [0.12 MGD]
[15 NCAC 02B .0400 et seq., 02B .0500 et seq.]
During the period beginning upon expansion to 0.12 MGD 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
[eDMR Code] Monthly Daily Measurement Sample Sample
Average Maximum Frequency Type Location
Flow 0.12 MGD Continuous Recording Influent or
j50050] Effluent
BOD, 5-day(20°C) 30.0 mg/L 45.0 mg/L Weekly Composite Effluent
[C0310]
Total Suspended Solids 30.0 mg/L 45.0 mg/L Weekly Composite Effluent
JC0530]
NH3 as N (April 1 —October 31) 11.0mg/L 35.0 mg/L Weekly Composite Effluent
[C0610]
NH3 as N (November 1 —March 31) 22.0 mg/L 35.0 mg/L Weekly Composite Effluent
[C0610]
Fecal Coliform(geometric mean) 200/100 m/L 400/100 m/L Weekly Grab Effluent
[31616]
Total Residual Chlorine2 28 pg/L 2/Week Grab Effluent
[50060]
Temperature(°C) Daily Grab Effluent
[00010]
Total Nitrogen (NOz+NOs+TKN) Semi-Annually Composite Effluent
[C0600]
Total Phosphorus Semi-Annually Composite Effluent
[C0665]
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. (4)].
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.
All samples much be collected from a typical discharge event.
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN
TRACE AMOUNTS.
Page 4 of 7

Permit NC0052043
A. (4) 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
� eP g p
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.) (a)1
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.
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:
• 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).
Page 5 of 7

Permit NC0052043
2. Electronic Submissions
In accordance with 40 CFR 122.41(1)(9), the pennittee 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-pollutant-discharge-elimination-system-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 sixty(60) days prior to the date the facility would be
required under this permit to begin submitting monitoring 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
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
Page 6 of 7

Permit NC0052043
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:
"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 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 of fines 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 7 of 7

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NC0052043 I Toxaway Falls WWTP A I
Facility
Location
Latitude: 35°07' 10" N USGS Quad: Reid,N.C.
Longitude: 82°55'59" W
Receiving Stream: Toxaway River River Basin: Savannah Transylvania County
fArWith
Stream Class: C Sub-Basin: 03-13-02Map not to scale