WQ0041133_Final Permit_20191122

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Director
Brystana Kaufman
President, Board of Directors
Willow Oak Montessori Foundation, Inc.
50101 Governors Dr
Suite 170
Chapel Hill, North Carolina 27517
NORTH CAROLINA
Environmental Quality
November 22, 2019
Subject: Permit No. WQ0041133
Willow Oak Montessori Foundation, Inc.
Willow Oak Montessori Charter School
Wastewater Collection System Extension Permit
Chatham County
Dear Ms. Kaufman:
In accordance with your application received August 22, 2019, and additional information received on
November 14, 2019, we are forwarding herewith Permit No. WQ0041133 dated November 22, 2019, to
the Willow Oak Montessori Foundation, Inc. (Permittee) for the construction and oneration upon
certification of the subject wastewater collection system extension. This permit shall be effective from
the date of issuance until rescinded and shall be subject to the conditions and limitations as specified
therein. This cover letter shall be considered a part of this permit and is therefore incorporated therein
by reference.
Please pay particular attention to the following conditions contained within this permit:
Condition 1.1: This permit shall become voidable unless the agreement between Willow Oak Montessori
Foundation Inc and Old North State Water Company, LLC for the collection and final
treatment of wastewater is in full force and effect. (15A NCAC 02T.0304(g)]
Condition 11.1: This permit shall not be automatically transferable; a request must be made and
approved.
Condition 11.4: Requires that the wastewater collection facilities be properly operated and maintained
in accordance with 15A NCAC 02T .0403 or any individual system -wide collection system
permit issued to the Permittee.
Condition 11.7: Upon completion of construction and prior to operation of these permitted facilities, the
completed Engineering Certification form with checklist attached to this permit shall be
submitted with the required supporting documents to the address provided on the form.
_EQ,,
North Carolina Department of Environmental Quality I Division of Water Resources
Raleigh Regional Office ; 1628 Mail Service Center, Raleigh, NC 27699.1628
Physical Address; 3800 Barrett Drive, Raleigh, NC 27609 919-791-4200

Willow Oak Montessori Foundation, Inc
Permit No. WQ0041133
Permit modifications are required for any changes resulting in non-compliance with
this permit, regulations, or the Minimum Design Criteria. [15A NCAC 02T.01161
It shall be responsibility of the Permittee to ensure that the as -constructed project meets the appropriate
design criteria and rules. Failure to comply may result in penalties in accordance with North Carolina
General Statute §143-215.6A through §143-215.6C, construction of additional or replacement
wastewater collection facilities, and/or referral of the North Carolina -licensed Professional Engineer to
the licensing board.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to
request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This
request must be in the form of a written petition, conforming to Chapter 150E of North Carolina General
Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC
27699-6714. Unless such demands are made, this permit shall be final and binding.
If you need additional information concerning this matter, please contact Erin Deck at [phone] or
via e-mail at [e-mail].
Sincerely,
for Linda Culpepper
Director, Division of Water Resources
S. Jay Zimmerman, P.G., Chief
Water Quality Regional Operations Section
Division of Water Resources, NCDEQ
cc: William Mitchell, Jr. PE via email: [e-mail]
Michael Myers via email: [e-mail]
Regional Office Files
Water Resources Central Files
PERCS (electronic copy)
Chatham County Health Department
Paco 7 of R

NORTH CAROLINA
Environmental Quality
WASTEWATER COLLECTION SYSTEM EXTENSION PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations, permission is hereby granted to the
Willow Oak Montessori Foundation, Inc.
Chatham County
for the construction and operation of a 31—gallon per minute pump station with duplex grinder pumps,
on -site audible and visual high water alarms, telemetry, and a portable generator receptacle with
telemetry; approximately 1,497 linear feet of 2-inch force main as well as approximately 238 linear feet
of 4-inch force main to serve a school with a maximum capacity of 336 students as part of the Willow Oak
Montessori Charter School project, and the discharge of 3,360 gallons per day of collected domestic
wastewater into The Old North State's existing sewerage system, pursuant to the application received
August 22, 2019, and additional information received on November 14, 2019 and in conformity with 15A
NCAC 02T; the Division's Gravity Sewer Minimum Design Criteria adopted February 12,1996 as applicable;
the Division's Minimum Design Criteria for the Fast -Track Permitting of Pump Stations and Force Mains
adopted June 1, 2000 as applicable; and other supporting data subsequently filed and approved by the
Department of Environmental Quality and considered a part of this permit.
This permit shall be effective from the date of issuance until rescinded and shall be subject to the specified
conditions and limitations contained therein.
for Linda Culpepper
Director, Division of Water Resources
By Authority of The Environmental Management Commission
Permit Number: WQ0042133
Permit Issued: November 22, 2019
Page 3 of 8

SUPPLEMENT TO PERMIT COVER SHEET
Willow Oak Montessori foundation, Inc. is hereby authorized to:
Construct, and then operate upon certification the aforementioned wastewater collection extension. The
sewage and wastewater collected by this system shall be treated in the Briar Chapel Wastewater
Treatment Facility in accordance with Permit Number WQ0028552.
Permitting of this project does not constitute an acceptance of any part of the project that does not meet
15A NCAC 02T; the Division's Gravity Sewer Minimum Design Criteria adopted February 12, 1996 as
applicable; and the Division's Minimum Design Criteria for the Fast -Track Permitting of Pump Stations and
Force Mains adopted June 1, 2000 as applicable, unless specifically mentioned herein. Division approval
is based on acceptance of the certification provided by a North Carolina -licensed Professional Engineer in
the application. It shall be the Permittee's responsibility to ensure that the as -constructed project meets
the appropriate design criteria and rules.
Construction and operation is contingent upon compliance with the Standard Conditions and any Special
Conditions identified below.
I. SPECIAL CONDITIONS
1. This permit shall become voidable unless the agreement between Willow Oak Montessori Foundation
Inc and Old North State Water Company, LLC for the collection and final treatment of wastewater is
in full force and effect. [15A NCAC 02T.0304(g)]
11. STANDARD CONDITIONS
This permit shall not be transferable. In the event there is a desire for the wastewater collection
facilities to change ownership, or there is a name change of the Permittee, a formal permit request
shall be submitted to the Division accompanied by documentation from the parties involved, and
other supporting materials as may be appropriate. The approval of this request shall be considered
on its merits and may or may not be approved. [15A NCAC 02T.0116; G.5 143-215.1(d3)]
2. This permit shall become voidable unless the wastewater collection facilities are constructed in
accordance with the conditions of this permit; 15A NCAC 02T; the Division's Gravity Sewer Minimum
Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design Criteria for
the Fast -Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable; and
other supporting materials unless specifically mentioned herein. 115A NCAC 02T.0110]
3. This permit shall be effective only with respect to the nature and volume of wastes described in the
application and other supporting data. [15A NCAC 02T .0110]
4. The wastewater collection facilities shall be properly maintained and operated at all times. The
Permittee shall maintain compliance with an individual system -wide collection system permit for the
operation and maintenance of these facilities as required by 15A NCAC 02T .0403. If an individual
permit is not required, the following performance criteria shall be met:
a. The sewer system shall be effectively maintained and operated at all times to prevent discharge
to land or surface waters, and to prevent any contravention of groundwater standards or surface
water standards.
Page 4 of 8

b. A map of the sewer system shall be developed and shall be actively maintained.
c. An operation and maintenance plan including pump station inspection frequency, preventative
maintenance schedule, spare parts inventory and overflow response has been developed and
implemented.
d. Pump stations that are not connected to a telemetry system shall be inspected every day (i.e. 365
days per year). Pump stations that are connected to a telemetry system shall be inspected at
least once per week.
e. High -priority sewer lines shall be inspected at least once per every six -months and inspections are
documented.
f. A general observation of the entire sewer system shall be conducted at least once per year.
g. Overflows and bypasses shall be reported to the appropriate Division regional office in accordance
with 15A NCAC 2B .0506(a), and public notice shall be provided as required by North Carolina
General Statute §143-215.1C.
h. A Grease Control Program is in place as follows:
1. For public owned collection systems, the Grease Control Program shall include at least
biannual distribution of educational materials for both commercial and residential users and
the legal means to require grease interceptors at existing establishments. The plan shall also
include legal means for inspections of the grease interceptors, enforcement for violators and
the legal means to control grease entering the system from other public and private satellite
sewer systems.
2. For privately owned collection systems, the Grease Control Program shall include at least bi-
annual distribution of grease education materials to users of the collection system by the
permittee or its representative.
3. Grease education materials shall be distributed more often than required in Parts (1) and (2)
of this Subparagraph if necessary to prevent grease -related sanitary sewer overflows.
Right-of-ways and easements shall be maintained in the full easement width for personnel and
equipment accessibility.
j. Documentation shall be kept for Subparagraphs (a) through (i) of this Rule for a minimum of three
years with exception of the map, which shall be maintained for the life of the system.
5. The Permittee shall report by telephone to a water resources staff member at the Raleigh Regional
Office, telephone number [phone], as soon as possible, but in no case more than 24 hours,
following the occurrence or first knowledge of the occurrence of either of the following:
a. Any process unit failure, due to known or unknown reasons, that renders the facility incapable
of adequate wastewater transport, such as mechanical or electrical failures of pumps, line
blockage or breakage, etc.; or
b. Any SSO and/or spill over 1,000 gallons; or
c. Any SSO and/or spill, regardless of volume, that reaches surface water
Voice mail messages or faxed information is permissible, but this shall not be considered as the initial
verbal report. Overflows and spills occurring outside normal business hours may also be reported to
the Division of Emergency Management at telephone number [phone] or [phone].
Persons reporting any of the above occurrences shall file a spill report by completing and submitting
Part I of Form CS-SSO (or the most current Division approved form) within five days following first
Page 5 of 8

knowledge of the occurrence. This report must outline the actions taken or proposed to be taken to
ensure that the problem does not recur. Part II of Form CS-550 (or the most current Division approved
form) can also be completed to show that the SSO was beyond control. [G.S.143-215.1C(a1)]
6. Construction of the gravity sewers, pump stations, and force mains shall be scheduled so as not to
interrupt service by the existing utilities nor result in an overflow or bypass discharge of wastewater
to the surface waters of the State. [15A NCAC 02T.0108(b)]
7. Upon completion of construction and prior to operation of these permitted facilities, the completed
Engineering Certification form with checklist attached to this permit shall be submitted with the
required supporting documents to the address provided on the form. A complete certification is one
where the form is fully executed and the supporting documents are provided as applicable. Any
wastewater flow made tributary to the wastewater collection system extension prior to completion
of this Engineer's Certification shall be considered a violation of the permit and shall subject the
Permittee to appropriate enforcement actions.
If the permit is issued to a private entity with an Operational Agreement, then a copy of the Articles
of Incorporation, Declarations/Covenants/Restrictions, and Bylaws that have been appropriately
filed with the applicable County's Register of Deeds office shall be submitted with the certification.
A complete certification is one where the form is fully executed and the supporting documents are
provided as applicable. Supporting documentation shall include the following:
a. One copy of the project construction record drawings (plan & profile views of sewer lines & force
mains) of the wastewater collection system extension. Final record drawings should be clear on
the plans or on digital media (CD or DVD disk) and are defined as the design drawings that are
marked up or annotated with after construction information and show required buffers,
separation distances, material changes, etc.
b. One copy of the supporting applicable design calculations including pipe and pump sizing, velocity,
pump cycle times, and level control settings, pump station buoyancy, wet well storage, surge
protection, detention time in the wet well, and force main, ability to flush low points in force
mains with a pump cycle, and downstream sewer capacity analysis. If a portable power source or
pump is dedicated to multiple stations, an evaluation of all the pump stations' storage capacities
and the rotation schedule of the portable power source or pump, include travel timeframes, shall
be provided.
c. Changes to the project that do not result in non-compliance with this permit, regulations, or the
Minimum Design Criteria should be clearly identified on the record drawings, on the certification
in the space provided, or in written summary form.
Prior to Certification (Final or Partial): Permit modifications are required for any changes resulting
in non-compliance with this permit (including but not limited to pipe length changes of 10% or
greater, increased flow, pump station design capacity design increases of 5% or greater, and
increases in the number/type of connections), regulations, or the Minimum Design Criteria.
Requested modifications or variances to the Minimum Design Criteria will be reviewed on a case -by -
case basis and each on its own merit. Please note that variances to the Minimum Design Criteria
should be requested and approved during the permitting process prior to construction. After -
Page 6 of 9

construction requests are discouraged by the Division and may not be approved, thus requiring
replacement or repair prior to certification & activation. [15A NCAC 02T .0116]
8. Gravity sewers installed greater than ten percent below the minimum required slope per the Division's
Gravity Sewer Minimum Design Criteria shall not be acceptable and shall not be certified until
corrected. If there is an unforeseen obstacle in the field where all viable solutions have been
examined, a slope variance can be requested from the Division with firm supporting documentation.
This shall be done through a permit modification with fee. Such variance requests will be evaluated
on a case -by -case basis. Resolution of such request shall be evident prior to completing and submitting
the construction certification. [ 15A NCAC 02T.0105(n)]
9. A copy of the individual permit and construction record drawings shall be maintained on file by the
Permittee for the life of the wastewater collection facilities. [15A NCAC 02T .0116]
10. Failure to abide by the conditions and limitations contained in this permit; 15A NCAC 02T; the
Division's Gravity Sewer Design Criteria adopted February 12, 1996 as applicable; the Division's
Minimum Design Criteria for the Fast -Track Permitting of Pump Station and Force Mains adopted June
1, 2000 as applicable; and other supporting materials may subject the Permittee to an enforcement
action by the Division, in accordance with North Carolina General Statutes §143-215.6A through §143-
215.6C, construction of additional or replacement wastewater collection facilities, and/or referral of
the North Carolina -licensed Professional Engineer to the licensing board. [15A NCAC 02T .0108(b-c)]
11. In the event that the wastewater collection facilities fail to perform satisfactorily, including the
creation of nuisance conditions, the Permittee shall take immediate corrective action, including those
as may be required by this Division, such as the construction of additional or replacement facilities.
[15A NCAC 02T .0110; 15A NCAC 02T .0108(b)]
12. The issuance of this permit shall not exempt the Permittee from complying with any and all statutes,
rules, regulations, or ordinances that may be imposed by the Division any other Federal, State, or Local
government agencies which have jurisdiction or obtaining other permits which maybe required by the
Division or any other Federal, State, of Local government agencies. [G.S. 143-215.1(b)]
Page 7 of 8

CERTIFICATION CHECKLIST
To be completed by the certifying engineer prior to operation of the permitted sewers, per 15A NCAC 02T.0115.
Certifying Engineer:
Certification Review Date:
Project Name:
WQ00 Project County:
1) Has permittee information changed since the permit was issued (or last modified): change of mailing address,
change of ownership, transfer from developer to HOA/POA, etc. ❑ Yes ❑ No
If yes, please provide either a change of ownership form or new contact information. Note that transfer of
permits from the developer to the HOA/POA must occur with the first certification.
2) Have the as -built drawings have been signed, sealed, and dated by an N.C. PE? ❑ Yes ❑ No
3) Final Engineering certification? ❑ Yes ❑ No
• if Partial Engineering certification, provide detailed narrative including what is being certified in the current
phase, what was previously certified (if applicable), and what is left to be certified.
4) Adequate information related to sewer lines: ❑ Yes ❑ No ❑ N/A
Three feet minimum cover has been provided for all sewers unless ferrous pipe was installed.
Minimum diameters for gravity sewers are 8-inches for public lines and 6-inches for private lines.
Manholes have been installed: At the end of each line, at all changes in grade, size, or alignment, at all
intersections, and at distances not greater than 425 feet; minimum diameter shall be 4 feet (48-inches).
5) Adequate information related to pump stations: ❑ Yes ❑ No ❑ N/A
• Ensure power reliability option was selected per 15A NCAC 02T.0305(h).
6) Was project construction completed in accordance with all of the following: ❑ Yes ❑ No ❑ N/A
• 15A NCAC 02T, Minimum Design Criteria (MDC) for the permitting of Gravity Sewers (latest version), and MDC
for the Permitting of Puma Stations and Force Mains (latest version)?
If not, a variance approval is required in accordance with 15A NCAC 02T.0105"b prior to certification and operation.
• Contact the Central Office to discuss the variance to determine a course of action.
• Applicant must submit two copies of the variance request form, plans, specifications, calculations, and any other
pertinent information to the Central Office (one hard copy, one digital copy).
• The central office will review the variance request, and if approvable, specific language regarding the variance
will be incorporated into the permit, either via a special condition or a supplementary letter. A copy of the
reissued permit with variance language or the variance letter must be maintained with the original documents.
7) Does the project contains high priority lines (15A NCAC 02T .0402(2))? ❑ Yes ❑ No
• If yes, ensure that the permit already contains the necessary condition related to high priority lines 15A NCAC
02T.0403 (a)(5). If the permit does not include this language, the Fast Track reviewer will reissue the permit with
the appropriate language.
8) Are Permit modifications are required for any changes resulting in non-compliance with this permit (including but not
limited to pipe length changes of 10% or greater, change in flow, pump station design capacity design change of 5% or
greater, and/or change in the number/type of connections)? ❑ Yes ❑ No
• If yes, a permit modification request must be submitted to the appropriate Regional Office, and a modified
permit with revised certification must be issued prior to certification and operation.
North Carolina Department of Environmental Quality : Division of Water Resources
Raleigh Regional Office 11628 Mail Service Center, Raleigh, NC 27699.1628
Physical Address: 3800 Barrett Drive, Raleigh, NC 27609 919-791-4200

FAST TRACK SEWER ENGINEERING CERTIFICATION
PERMITTEE: Willow Oak Montessori Foundation, Inc.
PERMIT #: WQ0O41133
PROJECT: Willow Oak Montessori Charter School
ISSUE DATE: November 22, 2019
This project shall not be considered complete nor allowed to operate in accordance with Condition 7 of
this permit until the Division has received this Certification and all required supporting documentation. It
should be submitted in a manner that documents the Division's receipt. Send the required documentation
the Regional Supervisor, Water Quality Regional Operations Section at the address at the bottom.
Any wastewater flow made tributary to the wastewater collection system extension prior to completion
of this Certification shall be considered a violation of the permit and shall subject the Permittee to
appropriate enforcement actions. The Permittee is responsible for tracking all partial certifications up
until a final certification is received. A Final Certification shall be a complete set of record drawings and
design calculations regardless of whether partials have been submitted.
PERMITTEE'S CERTIFICATION
I, the undersigned agent for the Permittee, hereby state that this project has been constructed pursuant
to the applicable standards & requirements, the Professional Engineer below has provided applicable
design/construction information to the Permittee, and the Permittee is prepared to operate & maintain
the wastewater collection system permitted herein or portions thereof.
Printed Name, Title Signature
ENGINEERS CERTIFICATION
Date
I, . . as a dul registered Professional En
neer in the State of North Carolina,
having been authorized to observe (❑yperiodically, ❑ weekly, full time) the construction of the
project name and location as referenced above for the above Permittee hereby state that, to the best of
my abilities, due care and diligence was used in the observation of the following construction:
31 allon per minute pump station with du lex grinder Pumps, on -site audible and visual high water
alarms telemetry, and a Portable generator receptacle with telemet • approximately 1497 linear feet
of 2-inch force main as well as approximately 238 linear feet of 4-inch force main: such that the
construction was observed to be built within substantial compliance of this permit; 15A NCAC 02T; the
Division of Water Resources' (Division) Gravity Sewer Minimum Design Criteria adopted February 12,1996
as applicable; the Division's Minimum Design Criteria for the Fast -Track Permitting of Pump Stations and
Force Mains adopted June 1, 2000 as applicable; and other supporting materials.
North Carolina Professional Engineer's Seal w/signature & date:
❑ Final ❑ Partial (include description) s
F
I
.:.::. ....:. .::...... ........
-...:
Certification Comments/Qualifiers (attach if necessary):
North Carolina Department of Enviranmental Quality Division of Water Resour�:es
Raleigh Regional Office 1628 Ma I Service Center. Raleigh, NC 27699-1628
Phys cal Address- 3800 Barrett Drive, Raleigh, NC 27609 919.791-4200

FAST TRACK SEWER ENGINEERING CERTIFICATION
North Carolina Department of Environmental Quality Division of Water Resources
Raleigh Regional Office 11628 Mail Service Center, Raleigh. NC 27699.1628
Physical Address. 3800 Barrett Drive, Raleigh, NC 27609 919-791-4200