WQ0004502_Certificate of Coverage (COC)_20241027

ROY COOPER
Governor
ELIZABETH BISER
Secretary
RICHARD E. ROGERS JR.
Director

North Carolina Department of Environmental Quality  Division of Water Resources
512 North Salisbury Street  1617 Mail Service Center  Raleigh, North Carolina 27699-1617 -- 919.707.9000

Delta Investments LLC, Owners
c/o Thong Tran
114 Windrush Lane
Durham, North Carolina 27703
Subject: Issuance of Authorization to Construct (ATC)
General Permit COC NCG551814
under General Permit NCG550000
Single Family Residence (SFR) located at
1632 Sharron Road, Durham
Durham County
Mr. Tran:
In accordance with your application for discharge received February 15, 2024, under the subject
NPDES General Permit, the Division of Water Resources (DWR) herewith forwards an Authorization
to Construct (ATC) replacement facilities for a failing treatment system. We issue this ATC pursuant
to the requirements of North Carolina General Statue 143-215 .1, the Memorandum of Agreement
between North Carolina and the US Environmental Protection Agency (EPA) dated October 15, 2007
(or as subsequently amended).

This residential system was inspected by Raleigh Regional Office (RRO) on March 8, 2024. DWR
understands that the Permittee has authorized the licensed consultant, Agi-Waste Technologies (AWT)
Engineers and Soil Scientists of Apex, NC to replace an existing permitted failing septic system. The
new wastewater treatment system, herein presented, includes plans and specifications signed by the
engineer on February 4, 2024, and is designed to comply with rules and regulations governing 100%-
domestic discharges to Surface Waters of the State.

Your permit COC package includes:
Authorization to Construct (ATC)
Operation & Maintenance Instructions
A copy of Wastewater Discharge General Permit NCG550000
A copy of the approved plans and specifications (revised 28Nov2022).
Engineer’s Certification form (to be returned upon project completion to DWR).
REMINDER: To maintain your Certificate of Coverage (COC) you must remit an annual fee of $60,
due each year on the issuance date of the COC (see above). Please pay to the Division of Water
Resources. Please include the COC number NCG5501814 on your check. Mail your Annual Fee to:
NCDEQ / DWR / NPDES / SFR Permitting
Attn. Wren Thedford [[e-mail]]
1617 Mail Service Center
Raleigh, NC 27699-1617

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10/27/2024

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Compliance under General Permit NCG550000 restricts discharge. Flow may not exceed 1,000
gallons per day. This ATC covers treatment facilities for a three (3) bedroom single-family residence
estimated to discharge 360 gpd (120 gallons per bedroom).

Please note that the Permittee must provide regular treatment-system operation including maintenance
and inspections in accord with manufacturer’s recommendations and this ATC. All records, water
analyses, and logs to be kept onsite available for DWR inspection [NCG550000, Section A. (2.)].

Operation and Maintenance. The Permittee is responsible to maintain all components of the
approved treatment system, a system designed to meet Surface Water-Quality Standards. Compliance,
for the duration of this COC includes following the manufacturer’s guidelines; conducting and
documenting system inspections; establishing sources for OEM spare parts and supplies; taking
samples for analyses; making necessary repairs; and documenting said maintenance.

Receiving Stream. Please note that your system discharges via a public right-of-way under zero-
flow receiving stream conditions (see Flow Path to Classified Waters), thence converging with
surface waters as an unnamed tributary (UT) to Little Lick Creek [Stream Index 27-9-(0.5)] within
the Neuse River Basin. This stream is currently classified WS-IV; NSW and governed as (Water
Supply; Nutrient Sensitive Waters).

If DWR determines that your discharge contributes to future degradation or impairment of this
waterbody, an individual NPDES permit may be mandatory. Upon DWR’s request, the Permittee
must provide records and demonstrate regular efforts to maintain the approved treatment system.
The Division recommends that the Permittee solicit manufacture-certified training, or a qualified
contractor or service to regularly inspect and maintain this treatment system.

Authorization to Construct (ATC) Permit. This ATC details the conditions of installation and
operation. Before startup, activation requires notice to the Raleigh Regional Office (Phone: 919-791-
4200) attention Vanessa Manuel [[e-mail]], a minimum of three (3) days in
advance of discharge. Such notification shall be made during normal office hours from 8:00 a.m. until
5:00 p.m. Monday through Friday, excluding State holidays.

The attached Engineer’s Certification form must be returned to DWR by the Engineer, documenting
compliance “as built” in accord with this ATC and approved plans and specifications received by
DWR on February 15, 2024, or as amended. No changes may be made without prior approval.

Therefore, in accord with the application, DWR hereby authorizes the installation of a 100% domestic
wastewater treatment system designed to receive wastewater and graywater described in the attached
approved plans and specifications as:

• Septic Tank [Model: TS 1250 STB – non-traffic] with recirculation
baffles and effluent filter [replaces existing septic tank]
• Greywater Tank and Discharge Junction box
• Treatment System Control Panel (post-mounted)
• AdvanTex AX20- RT Treatment Pod [integrated tank and recirculation pump]
• UV Disinfection [integrated within AdvanTex AX20- RT]
• Appurtenant piping to outfall
• Post-aeration riprap erosion control

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Compliance with the above shall include a leakage test performed on reused tanks and proposed new
tanks, or leak-certified new by the manufacture not to exceed an exfiltration rate of twenty (20)
gallons per twenty-four (24) hours per 1,000 gallons of tank capacity. The Engineer's Certification
shall serve as proof of compliance with this condition. Mail the completed Engineer’s Certification to:

DEQ / DWR/ NPDES Program – General Permits
c/o Wren Thedford [[e-mail]]
1617 Mail Service Center
Raleigh, NC 27699-1617

❖ For the life of the treatment facility, the Permittee shall retain on site the approved plans
and specifications, available for DWR inspection. The Permittee shall also keep records
[a running previous three (3) years] of monitoring and maintenance logs and laboratory
analyses, if any, as may be recommended by treatment systems manufacturers.

Construction. All elbow piping must conform to the long-sweeping type. All cleanouts must be
housed in meter boxes below grade. This treatment system shall be located at least 15 feet away from a
dwelling, at least 100 feet from any water-supply well either on- or off-site. The system shall also be
located and constructed above any applicable 100-year flood line and maintain a 50-ft setback from
property lines [of as hereby waved due to restrictive lot size].

This ATC permit is issued in accordance with Part III, Paragraph 2 of NPDES General Permit
NCG550000, and is subject to revocation unless wastewater treatment facilities are constructed in
accordance with the conditions and limitations specified.

If facilities fail to perform satisfactorily, including creating nuisance conditions, the Permittee shall
take immediate corrective action as may be required by this Division, such as the construction of
additional or replacement wastewater treatment(s) or disposal facilities. Failure to abide by the
requirements of this ATC 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.

Upon completing construction and prior to operating this permitted facility, a North Carolina-
registered engineer shall sign and submit to DWR the attached Engineer’s Certification form, thereby
certifying that the permitted facility has been installed in accordance with the NPDES General Permit,
the existing Certificate of Coverage, this Authorization to Construct, and the approved plans and
specifications.

If any parts, measurement frequencies or sampling requirements contained in this general permit are
unacceptable to you, you have the right to request an individual permit by submitting an individual
permit application. Unless such demand is made, the certificate of coverage shall be final and binding.

This ATC is not transferable except after notice to the Division of Water Resources. The Division may
modify or revoke and reissue this ATC. This ATC does not affect your legal obligation to obtain other
permits that may be required by the Division of Water Resources, the Division of Land Resources, the
Coastal Area Management Act, or any other Federal or Local government.

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NPDES Contact. If you have any questions concerning the requirements of this Authorization to
Construct (ATC) permit, please email Joe R. Corporon, P.G. [[e-mail]].

Sincerely,

_________________________________
John E. Hennessy, Section Chief
Water Quality Regional Operations
Division of Water Resources

Attachments [see page 1) Engineer’s Certification form (to be signed and returned to DWR)

ec: NPDES General Permit Files
DEQ / RRO, Vanessa Manual [[e-mail]]
AWT - Kevin Davidson [[e-mail]]
AWT Scott P. Jones P.E. [[e-mail]], Senior Project Engineer

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STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES

CERTIFICATE OF COVERAGE - NCG5511814

Under GENERAL PERMIT NCG550000
TO DISCHARGE 100%-DOMESTIC AND SIMILAR WASTEWATERS
UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
(NPDES)

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,

Delta Investments LLC, Owners

is hereby authorized to operate a wastewater treatment facility consisting of a septic tank with effluent filter,
AdvanTex AX-20 RT pod with UV disinfection, and control panel, effluent discharge pipe and sample port;
outfall with riprap (erosion protection/aeration); these discharge facilities located at the

Single Family Residence (SFR)
1632 Sharron Road
Durham, North Carolina

to receiving waters designated as an unnamed tributary (UT) to Little Lick Creek [Stream Index 27-9-
(0.5)]. a waterbody currently Classified WS-IV; NSW located within hydrological Unit 03-04-01
[HUC: 03020201] of the Neuse River Basin, in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts I, II, III and IV of General Permit NCG550000 as
attached.

This Authorization to Construct (ATC) shall become effective

This Certificate of Coverage shall remain in effect for the duration of the General Permit.

Signed this day

____________ _________ _____________________
John E. Hennessy, Section Chief
Water Quality Regional Operations
Division of Water Resources

Docusign Envelope ID: 00CCBC6A-4066-475C-ADE2-A125B34E7DA7
December 1, 2024
October 27, 2024

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Flow Path to Classified Waters
Stream Index: 27-9-(0.5)

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