SW7090317_Final Permit_20090526

a•�
.rmr
MCDENR
North Carolina Department of Environment and natural Resources
Division of Water Quality
Beverly Eaves Perdue
Governor
Mr. Bobby C. Darden, Manager
County of Perquimans
Post Office Box 45
Hertford, North Carolina 27944
Dear Mr. Darden:
Coleen H. Sullins
Director
May 26, 2009
PJa:'R o
Subject: Permit No. SW7090317
Winfall WTP Improvements
Low Density Stormwater Project
Perquimans County
Dee Freeman
Secretary
The Washington Regional Office received a complete Stormwater Management Permit Application for
Winfall Water Treatment Plant Improvements on May 18, 2009. Staff review of the plans and
specifications has determined that the project, as proposed, will comply with the Stormwater
Regulations set forth in Session Law 2008-211 and Title 15A NCAC 2H.1000. We are forwarding
Permit No. SW7090317 dated May 26, 2009, for the construction of the subject project.
This permit shall be effective from the date of issuance until rescinded and shall be subject to the
conditions and limitations as specified therein, and does not supercede any other agency permit that
may be required.
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 thirty (30) days following receipt of this
permit. This request must be in the form of a written petition, conforming to Chapter 150B of the North
Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447,
Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
If you have any questions, or need additional information concerning this matter, please contact either
Heather Steinbacher or me at [phone].
Sr' cerely, I
�
L JJi
sar ®__
Al Hodge I
Regional Supervisor
Surface Water Protection Section
AH/hxs: S:\WQS\STORMWATER\PERMIT\SW7090317-WlnfallWTP
cc: Alan R. Keith, P.E., Diehl & Phillips, P.A.
Perr'quimans County Inspections
Washington Regional Office
Central Files
North Carolina Division of Water Quality Internet: www.ncwaterquality.org One
943 Washington Square Mall Phone: [phone] \ FAX: [phone] NorkCar®lina.
Washington, NC 27889 FAX: [phone] .w •o tuirall�
An Equal Opportunity \Affirmative Action Employer ��/ 6�

State Stormwater Management Systems
Permit Number SW7090317
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STORMWATER MANAGEMENT PERMIT
LOW DENSITY DEVELOPMENT
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
County of Perquimans
Winfall Water Treatment Plant Improvements
Perquimans County
FOR THE
construction, operation and maintenance of a low density development in compliance
with the provisions of Session Law 2008-211 and 15A NCAC 2H .1000 (hereafter
referred to as the "stormwater rules') and the approved stormwater management plans
and specifications, and other supporting data as attached and on file with and approved
by the Division of Water Quality and considered a part of this permit.
The Permit shall be effective from the date of issuance until rescinded and shall be
subject to the following specific conditions and limitations:
I. DESIGN STANDARDS
This permit covers the construction of the new proposed 13,952 square feet of
built -upon area to be added to the existing 20,165 square feet for a total of
34,117 square feet of built -upon area.
The overall tract built -upon area percentage for the project must be maintained at
24%, as required by Session Law 2008-211 and Section 2H .1005 of the
stormwater rules.
3. Approved plans and specifications for projects covered by this permit are
incorporated by reference and are enforceable parts of the permit and shall be
kept on file by the permittee at all times.
4. The only runoff conveyance systems allowed will be vegetated conveyances
such as swales with minimum side slopes of 3:1 (H:V) as defined in the
stormwater rules and approved by the Division.
5. No piping is allowed except that minimum amount necessary to direct runoff
beneath an impervious surface such as a road or to provide access.
6. The built -upon areas associated with this project shall be located at least 50 feet
landward of all perennial and intermittent streams or other surface waters.
7. Roof drains must terminate at least 50 foot from the Mean High Water line.
8. No direct discharges to class SA or SR Waters are allowed.
Page 2 of 5

State btormwater ivianagement aystems
Permit Number SW7090317
II. SCHEDULE OF COMPLIANCE
1. The permittee is responsible for verifying that the proposed built -upon area does
not exceed the allowable built -upon area.
2. The Director may notify the permittee when the permitted site does not meet one
or more of the minimum requirements of the permit. Within the time frame
specified in the notice, the permittee shall submit a written time schedule to the
Director for modifying the site to meet minimum requirements. The permittee
shall provide copies of revised plans and certification in writing to the Director
that the changes have been made.
3. This project may not be sold or subdivided in whole or in part without first
receiving a permit modification from the Division.
4. Prior to the subdivision and/or sale of this project, in whole or in part, the
following deed restrictions must be recorded with the Office of the Register of
Deeds: .
a. The following covenants are intended to ensure ongoing compliance with
State Stormwater Management Permit Number SW7090317, as issued by
the Division of Water Quality under NCAC 2H.1000.
b. The State of North Carolina is made a beneficiary of these covenants to
the extent necessary to maintain compliance with the Stormwater
Management Permit.
C. These covenants are to run with the land and be binding on all persons
and parties claiming under them.
d. The covenants pertaining to stormwater may not be altered or rescinded
without the express written consent of the State of North Carolina, Division
of Water Quality.
e. Alteration of the drainage as shown on the approved plans may not take
place without the concurrence of the Division of Water Quality.
f. This project is permitted for a maximum of 13,952 square feet of built -
upon area. Construction of additional built -upon area in excess of this
amount will require a permit modification.
g. This project may not be sold or subdivided, in whole or in part, without first
receiving a permit modification from the Division.
h. Construction of additional impervious areas such that low -density
requirements are no longer met will require a permit modification prior to
construction. An engineered system will be required to collect and treat
the runoff from all built -upon area associated with the project, including
that area permitted under the low density option.
i. Filling in or piping of any vegetative conveyances (ditches, swales, etc.)
associated with this development, -except for average driveway crossings,
is strictly prohibited by any persons.
j. The built -upon areas shall be located a minimum of 50 feet landward of all
perennial and intermittent surface waters.
A copy of the recorded restrictions must be received in this Office within 30 days
of the date of sale.
6. Filling in or piping of any vegetative conveyances (ditches, swales, etc.)
associated with the permitted development, except for average driveway
crossings, is strictly prohibited by any persons.
7. The permittee shall submit to the Director and shall have received approval for
revised plans, specifications, and calculations prior to construction, for any
Page 3 of 5

State Stormwater Management Systems
Permit Number SW7090317
modification to the approved plans, including, but not limited to, those listed
below:
a. Any revision to the approved plans, regardless of size.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area.
e. Further subdivision, acquisition, or sale of the project area in whole or in
part. The project area is defined as all property owned by the permittee,
for which Sedimentation and Erosion Control Plan approval was sought.
f. Filling in, altering or piping any vegetative conveyance shown on the
approved plan.
8. Swales and other vegetated conveyances shall be constructed in their entirety,
vegetated, and be operational for their intended use prior to the construction of
any built -upon surface.
9. During construction, erosion shall be kept to a minimum and any eroded areas of
the swales or other vegetated conveyances will be repaired immediately.
10. The permittee shall at all times provide the operation and maintenance
necessary to operate the permitted stormwater management systems at optimum
efficiency to include:
a. Inspections
b Sediment removal.
C. Mowing, and re -vegetating of the side slopes.
d. Immediate repair of eroded areas.
e. Maintenance of side slopes in accordance with approved plans and
specifications.
11. Within 30 days of completion of the project, the permittee shall certify in writing
that the project has been constructed in accordance with the approved plans.
12. The permittee shall submit all information requested by the Director or his
representative within the time frame specified in the written information request.
III. GENERAL CONDITIONS
This permit is not transferable to any person or entity except after notice to and
approval by the Director. The Director may require modification or revocation and
re -issuance of the permit to change the name and incorporate such other
requirements as may be necessary. In the event of a name or ownership
change, a completed Name/Ownership Change form, signed by both parties,
must be submitted to the Division of Water Quality accompanied by the
supporting documentation as listed on page 2 of the form. The approval of this
request will be considered on its merits, and may or may not be approved.
2. The permittee is responsible for compliance with all permit conditions until the
Director approves a transfer of ownership. Neither the sale of the project nor the
transfer of common areas to a third party, such as a homeowner's association,
constitutes an approved transfer of the stormwater permit.
3. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to an enforcement action by the Division of Water Quality,
in accordance with North Carolina General Statutes 143-215.6A to 143-215.6C.
Page 4 of 5

State Stormwater Management Systems
Permit Number SW7090317
4. The issuance of this permit does not prohibit the Director from reopening and
modifying the permit, revoking and reissuing the permit, or terminating the permit
as allowed by the laws, rules, and regulations contained in Session Law 2008-
211 and Title 15A NCAC 21-1.1000 of the North Carolina Administrative Code,
Subchapter 2H.1000; and North Carolina General Statute 143-215.1 et. al.
5. In the event that the 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 the Division, such as the construction of
additional or replacement stormwater management systems.
6. The permittee grants permission to DENR Staff to enter the property during
normal business hours, for the purpose of inspecting all components of the
stormwater management facility.
7. The permit issued shall continue in force and effect until revoked or terminated.
The permit may be modified, revoked and reissued or terminated for cause. The
filing of a request for a permit modification, revocation and re -issuance, or
termination does not stay any permit condition.
8. Unless specified elsewhere, permanent seeding requirements for the swales
must follow the guidelines established in the North Carolina Erosion and
Sediment Control Planning and Design Manual.
9. Approved plans and specifications for this project are incorporated by reference
and are enforceable parts of the permit.
10. The issuance of this permit does not preclude the Permittee from complying with
any and all statutes, rules, regulations, or ordinances, which may be imposed by
other government agencies (local, state and federal), which have jurisdiction.
11. The permittee shall notify the Division in writing of any name, ownership or
mailing address changes at least 30 days prior to making such changes.
Permit issued this the Twenty Sixth day of May 2009
N RT. AROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
ij9 � --
------------ ----------------------- for
Colleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit No. SW7090317
Page 5 of 5