NC0089401_Regional Office E-File Scan Up To 1/20/2021

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NCDENR
North Carolina Department of Environment and Natural
Division of Water Resources
Pat McCrory
Governor
Richard F. Hunter, Home Owner
P.O. Box 3649
Chattanooga, Tennessee 37404
Dear Mr. Hunter:
Water Quality Programs
Thomas A. Reeder
Acting Director
August 6, 2013
Resources
John Skval cl$ III
Secretary
Subject: Issuance of NPDES Permit NC0089401 SFR
and Authorization to Construct (ATC)
for Single -Family Residence (SFR)
Mystic River Village, Lot V7, Topton 28781
Swain County
The Division of Water Resources (DWR or the Division) hereby issues the attached NPDES permit and
Authorization to Construct (ATC) for the subject facility. This permit is issued pursuant to the
requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement
between North Carolina and the U.S. Environmental Protection Agency dated October 15, 2007, or as
subsequently amended.
DWR has approved your application for 100% domestic discharge from a three (3)-bedroom, single-
family residence. Please note that this permit requires you to abide by:
1. Permit Limits and Monitoring Conditions [Section A. (l.)],
2. Treatment System Maintenance and Record Keeping [Section A. (2.)], and
3. Authorization to Construct (ATC) Treatment Facilities [Section A. (3.)].
General Permit vs. Individual Permit. You have been instructed to apply for an individual NPDES
permit for this 100% domestic, single-family residence because your proposed membrane bio-reactor /
nano -filtration treatment system may not be currently permitted under the active General Permit
NCG550000. The Division hopes to resolve issues preventing renewal of this general permit in the
near future.
Please note that you must operate and maintain all components of the approved treatment system such
that its effluent may meet federal and state Surface Water -Quality Standards. Compliance includes
following manufacturer's guidelines, conducting and documenting system inspections and chemical
analyses, establishing sources for OEM spare parts, making necessary repairs, properly disposing of
residual solids, and documenting said maintenance for the duration of the permit (all records to remain
onsite available for DWR review).

Page 2 of 2
Issuance of Permit NC0089401 SFR
If any parts, measurement frequencies, or sampling requirements contained in this permit are
unacceptable, you have the right to an adjudicatory hearing, upon written request submitted within
thirty (30) days after receiving this letter. Your request must take the form of a written petition
conforming to Chapter 150B of the North Carolina General Statutes, and you must file it with the office
of Administrative Hearings, 6714 Mail Service Center, Raleigh, North Carolina 27699-6714. Unless
such a demand is made, this permit shall be final and binding.
This permit is not transferable except after notifying the Division of Water Resources. The Division
may require permit modification, or revocation and re -issuance. Please note that this permit does not
affect your legal obligation to obtain other permits required by the Division of Water Resources, the
Division of Land Resources, the Coastal Area Management Act, or other federal or local governments.
If you have questions, or if we can be of further service, please contact Joe R. Corporon, L.G. at
�ioe.corporon(a�ncdenr.gov] or call him at [phone].
Thomas A. Reeder
Enclosure: NPDES Permit SFR NC0089401 (Issuance Final);
DWR-approved drawing
Engineer's Certification form (to be returned to DWR)
hc: NPDES Program File
ARO/SWPS, Attn: Chuck Cranford, Supervisor
ec: ARO Jeff Menzel; Chuck Cranford
Burgin Engineering, Inc, Attu: Robert G. Burgin, Jr. PE [[e-mail]]
Hugh Shannon [[e-mail]]
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604
Phone: [phone]FAX: [phone] Customer Service:1-877-623-6748
Internet: www.ncwaterresources.org
NonrthCarolina
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An Equal Opportunity \Affirmative Aeon Employer

Permit NCO089401 SFR
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER RESOURCES
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
(NPDES)
Incompliance 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,
Richard F. Hunter
is hereby authorized to discharge wastewater from outfalls located at the
Single -Family Residence (SFR)
Mystic River Village, Lot V7, Rocky Water Drive, Topton
Swain County
discharging to receiving waters designated as the Nantahala River within 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 on September 1, 2013.
This permit and authorization to discharge shall expire at midnight on OCtOber 30, 2017.
Signed this day August 6, 2013.
T�..as A. Reeder, Acting Director
vision of Water Resources
By Authority of the Environmental Management Commission
Page 1 � of 6

Permit NCO089401 SFR
SUPPLEMENT TO PERMIT COVER SHEET
Richard F. Hunter
is hereby authorized to:
1. construct and test anano-membrane bio-reactor, treatment system for 100%-domestic
wastewater generated from a five (5)-bedroom single-family residence, consisting of
• buffer tank (533 gal), influent gravity flow
• equalization tank (290 gal) with air lift / level -control sensor and float
switch on/off alarms (audible and visual)
• dual (2) filter -membrane tanks [in series] (each 182 gal), membrane 0.04 micron
(µm) openings with return activated sludge (RAS) line,
• air supply pump [two (2) each for redundancy] with fine -bubble diffuser
• pressurepump [two (2) each for redundancy]
• reverse osmosis (RO) nano -filtrating unit (effluent disinfection accomplished via
separation by nano -filtration [therefore chlorination / UV not required]
• discharge with effluent -sample point, effluent piping to erosion -control [riprap]
at designated outfall
in support of Mystic River Village, Lot V7, Rocky Water Drive, Topton 28781, and
2. after submitting a signed and stamped North Carolina -certified Engineer's Certification (see
attached form) testifying that said facilities were constructed in accord with this permit and
Authorization to Construct [See Section A. (3.)], then
3. begin discharging from said treatment works via Outfall 001, as located on the attached map, into
the Nantahala River [Stream Segment 2-57-(22.5)], a waterbody currently classified B; Trout
within subbasin 04-04-02 of the Little Tennessee River Basin,
Page 2 � of 6

Permit NCO089401 SFR
Part I
A. (I.) EFFLUENT LIMITATIONS AND MONITORING CONDITIONS
Beginning on the effective date of the permit and lasting until permit expiration, the Permittee is
authorized to discharge from Outfall 001. Such discharges shall be limited and monitored by the
Permittee as specified below:
Footnotes:
1. Flow discharge from 5-bedroom single-family residence (not to exceed 120 gpd /bedroom).
2. Frequency -after compiling an effluent database (minimum 4 sample sets), the Permittee may petition the
Division to review the monitoring frequency, as data warrant.
3. Effluent is defined as wastewater leaving the treatment system. Effluent samples shall be collected
immediately downstream of the treatment system prior to entering the natural environment or waters
of the State.
4. All wastewater analyses must be performed using North Carolina -certified test methods.
5. Total Residual Chlorine (TRC) monitoring and reporting is required only if chlorine is added to the
treatment system. The Division will consider analytical result reported above 50µg/L to be compliant
with this permit, however the Permittee shall record all values from NC -certified test methods (including
field -certified), even if these values are below 50µg/L.
6. Solids - the Permittee shall provide for off -site disposal of solids generated by the treatment system in
accordance with all applicable State and local permits and ordinances.
Conditions:
1. The Permittee shall discharge no floating solids or foam.
2. Treatment System Records /Maintenance LOGS shall be maintained onsite, available for DWR
inspection [see Section A. (2.)l.
3. This discharge system requires regular site visit inspections and disposal of solids as recommended by the
manufacture.
Page 3 � of 6

Permit NCO089401 SFR
A. (2.) TREATMENT -SYSTEM MAINTENANCE AND RECORD KEEPING
Permittee's Instructions —Required Maintenance Activities
a. The Permittee shall provide for proper system function to prevent seepage of sewerage to the
ground surface. The Permittee shall adhere to an Operations and Maintenance Plan conforming
to system manufacturer recommendations and State Regulations 15A NCAC 02T .0507.
b. The Permittee shall determine regularly if bio-solids .generated during waste treatment must be
removed from the system for off -site disposal. Bio-solids shall be disposed at a location and in
a manner compliant with all applicable local and state permits and regulations.
c. The Permittee shall retain a copy onsite ofDivision-approved treatment system Plans and
Specifications; also a copy of all sampling logs, maintenance logs, and laboratory analytical
records, for a minimum of three (3) years, available for DWR review and inspection.
A. (3.) AUTHORIZATION TO CONSTRUCT TREATMENT FACILITIES
Engineering Alternatives to Discharge -Analysis of Existing Site Conditions
for Lot V7 -- The Division understands from permit application review that:
• Local soils have been judged unsuitable for conventional subsurface septic tank /leach field by
the Swain County Health Department. Application for Improvement Permit was denied under
15A NCAC 02T, Section .0500 [see SCHD letter dated February 21, 2013].
• Municipal Treatment S st — the nearest municipal sewer connection is approximately 8.85
miles (46,731 feet) away. Costs to connect, estimated at $28 per linear foot [Construction Cost
Index], equate to an estimated $1,458,568 for this discharge alternative.
• Drip or Subsurface Irrigation - The Divi sion understands that Lot V6 was permitted for
drip/subsurface, but only if combined with the adjacent Lot VIA (see attached drawing, Sheet 2
of 3). Considering that Lot V lA is not prepared to build, the Applicant would have to bear the
full financial burden of improvements for both sites [estimated cost $75,000 to $80,000].
• The receivingstream, ream, the Nantahala River [Stream Segment 2-57-(22.5)], Class B; Trout,
exhibits a minimum flow approximating 20.2 MGD [7Q10], according to the USGS.
Based on the above, the Division concurs that surface discharge is the most viable discharge option for
Lot V7. Therefore, the Division hereby authorizes the Permittee to construct a new 100%-domestic

Permit NCO089401 SFR
wastewater treatment system in accord with local building codes) to be designed with discharge rate
not -to -exceed 1,000 GPD [currently estimated flow at 600 gpd (5-bedrooms @120 gpd] consisting of:
• buffer tank, influent gravity flow (533 gal, HDPE plastic, Dehoust & Co.
Model PE2000DF) with influent screen (Bear Onsite, model ML3-910)
• equalization tank (290 gal, HDPE plastic, Dehoust & Co. Model
PE1100DF) with 1 1/2 inch, schedule 40 PVC air lift,
line, air lift / level -control sensor o 1/2 inch air supply l
o float switch on/off alarms (audible and visual)
• Dual (2) filter -membrane tanks [in series] (each 182 gal), with A3
membrane Dehoust & Co. Model UX-05-002
o membrane filter surface area 52 ft2; 0.04 micron (µm) openings
o filter flow capacity 1,000 gpd for 100% domestic waste
o return activated sludge (RAS) line
o fine -bubble diffuser (EDI - T Series)
• air supply pump [two (2) each for redundancy]; Blue Diamond, Model ET200
• pressure pump [two (2) each for redundancy]; rotary vane, Series 3, Model
31911035F_11BA4; permeate transfer from filter -membrane tank to RO nano -
filtration
• nano -filtration unit -reverse osmosis (RO)_[Axeon, model NF3-4021];
o effluent disinfection accomplished via separation by nano -filtrating with
second -phase polishing by RO; therefore chlorine / ultraviolet (UV)
disinfection not required
o filter back-wash/bio-solids (20 to 30 gal / month) to be disposed offsite in
accord with all State and local permits and ordinances
• discharge piping (4-inch diam.) with effluent -sample port and erosion -controlled
[riprap] outfall
Treated effluent shall be routed to Outfa11001 discharging to Nantahala River [Stream Segment
2-57-(22.5)], a waterbody currently classified B, Trout within subbasm 0444-02 of the Little
Tennessee River Basin.
Treatment system cleanouts are required and should be installed between the septic tank [if applicable]
and treatment -system transition points and elbows, as well as any transition points in the 4-inch gravity
discharge line. This system, normally requiring a 15-foot setback from the foundation, will be installed
adjacent [set -back hereby waved in deference to the proposed self-contained treatment -system design
and restrictive lot size]. The 50400t setback from the property lines is likewise waved due to lot size
restrictions. This system shall be sited at least 100 feet from water supply wells, either onsite or offsite.
The Permittee shall provide for awater-tight seal on all treatment/storage units, or minimum two feet
elevated protection from 100-year flood [15A NCAC 02T .0505(m)]. Waivers involving the compliance
boundary shall conform to 15A NCAC 02L .0107. Setback waivers shall be written, notarized, signed by
all parties involved and recorded with the county Register of Deeds.
In the event that treatment facilities fail to perform satisfactorily or create nuisance conditions, the
Permittee shall take immediate corrective action such as maybe required by the Division, including
constructing additional or replacement wastewater treatment(s) or disposal facilities. Failure to abide by
Page 5 1 of 6

Permit NCO089401 SFR
the requirements of this ATC and permit may subject the Permittee to an enforcement action by the
Division of Water Resources in accordance with North Carolina General Statute 143-215.6A to 143-
215.6C.
Approved plans and specifications reflect as build" conditions and may not be altered without prior
written notification and approval by the Division. The Permittee shall provide notice to the Asheville
Regional Office (ARO) at least five (5) working days in advance of operation of the installed facilities so
that an onsite inspection may be scheduled, as needed. For further information contact the ARO Surface
Water Protection Section (SWPS) Regional Office Supervisor, Chuck Cranford (828-2964500). Contact
shall be made during normal office hours from 8*00 AM until 5:00 PM, Monday through Friday
excluding State Holidays.
Mail copies of the signed and stamped Engineers Certification form to both:
DWR /Ashville Regional Office (ARO)
Attention: Chuck Cranford (Supervisor)
2090 US Highway 70,
Swannanoa 28778
828-2964500
NCDENR /DWR / NPDES Program
Attention: Joe R. Corporon, L.G., ROC
1617 Mail Service Center
Raleigh, NC 276994617
919407-6394
Page 6 � of 6

Richard F. Hunter
Single -Family Residence (SFR), Mystic River Village
Rocky Water Drive, Lot V7, Topton 28781
Drainaee Basin:
Little Tennessee
Sub
-Basin:
04-04-02
Receivine Stream:
Nantahala River
HUC:
06010204
Stream Seement:
2-57-(22.5)
Stream Class:
B; Trout
Latitude:
350 17' 08" N
Lonaitude:
830 40' 03" W
State Grid/USGS Quad:
F4SE / Hewitt, NC
North
NPDES Permit NC0089401 SFR
Swain County

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NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Resources
Water Quality Programs
Pat McCrory Thomas A. Reeder
Governor Acting Director
Permittee
Permit Number
County
Engineer's Certification
Richard F. Hunter Residence
Mystic River Village, Lot V7, Topton
NC0089401
Swain
John Skvarla, III
Secretary
I, , a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe [ daily part time full time ] the construction of the
project,
Project Name
Location
for the
Permittee, hereby state that, to the best of my abilities, I practiced due care and diligence to observe the
construction of said project such that it was advanced and completed in accordance and in compliance
with the approved plans and specifications of the Authorization to Construct permit issued by the
Division of Water Resources.
Signature
Registration No.
[Stamp]
[Any person who knowingly makes any false statement, representation, or certification in any application, record, report, plan
or other document filed or required to be maintained under Article 21 or regulations of the Environmental Management
Commission implementing that Article, or who falsifies, tampers with or knowingly renders inaccurate any recording or
monitoring device or method required to be operated or maintained under Article 21 or regulations of the Environmental
Management Commission implementing that Article, shall be guilty of a misdemeanor punishable by a fine not to exceed
$10,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section 1001 provides a punishment by a fine
of not more than $10,000 or imprisonment not more than 5 years, or both, for a similar offense.)]
NorthCaroliha
Naturallff
North Carolina Division of Water Resources Raleigh Regional Office Surface Water Protection Phone [phone] Customer Service
Internet: www.ncwaterresources.org 1628 Mail Service Center Raleigh, NC 27699-1628 FAX [phone]
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