SW8970104_Historical File_19991004

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October 4, 1999 a1
Mr. Chris Stephens, President
Landmark Developers, Inc.
PO Box 4127
Wilmington, NC 28406
Subject: Permit No. SW8 970104 Modification
Magnolia Greens Master Plan
High Density Subdivision Stormwater Project
Brunswick County
Dear Mr. Stephens:
The Wilmington Regional Office received a complete modification to the Stormwater Management Permit Application
for Magnolia Greens Master Plan on August 31, 1999. Staff review of the plans and specifications has determined
that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000.
We are forwarding Permit No. SW8 970104 Modification, dated October 4, 1999, for the construction of the project,
Magnolia Greens Master Plan.
This permit shall be effective from the date of issuance until October 4, 2009, and shall be subject to the conditions and
limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this
permit. Failure to establish an adequate system for operation and maintenance of the stormwater management system
will result in future compliance problems.
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 Linda Lewis, or me at
[phone].
Sincerely,
Rick Shiver
Water Quality Regional Supervisor
RSS/:arl S:\WQS\STORMWAT\PERMIT\970104.SEP
cc: Davis Fennell, P.E.
Delaney Aycock, Brunswick County Inspections
Linda Lewis
Wilmington Regional Office
Central Files

State Stormwater Management Systems
Permit No. SW8 970104 Modification
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH 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
Landmark Developers, Inc.
Magnolia Greens Master Plan
Brunswick County
FOR THE
construction, operation and maintenance of 3 wet detention ponds and a low density subdivision with a curb
outlet system in compliance with the provisions of 15A NCAC 211 .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.
This permit shall be effective from the date of issuance until October 4, 2009 and shall be subject to the
following specified conditions and limitations:
I. DESIGN STANDARDS
1. This permit is effective only with respect to the nature and volume of stormwater described in the
application and other supporting data. Stormwater Management measures are 3 wet detention ponds
and a curb outlet system.
2. This stormwater system has been approved for the management of stormwater runoff as described on
page 3 of this permit, the Project Data Sheet. The subdivision is permitted for a total of 1019 lots. The
built -upon area permitted to date is: 249 single family lots @4,000 ft2 each (Sections 1-9); Tract A
(Sections 11 & 12) with 76 lots @3,500 ftz each; the Clubhouse @3.96 acres; and Tract N (Section 8)
is permitted for 21 lots @4,000 ftz; Tracts E and O (Sections 8, 9, and 10) are permitted under SW8
981008 for 99 lots @4,000 ftz and a detention pond; and the West Commercial Area is permitted
under SW8 980807 for 3.93 acres of built -upon area. Future development includes the East
Commercial Area @6.37 acres; 552 Multi -family units @1,200 ft2 each (Tracts K, L, M, P & Q); and
574 single family lots @4,000 ftz (Tracts B, C &D).
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State Stormwater Management Systems
Permit No. SW8 970104 Modification
3. Approved plans and specifications for this project are incorporated by reference and are enforceable
parts of the permit.
DIVISION OF WATER QUALITY
PROJECT DATA SHEET
Project Name: Magnolia Greens
Permit Number: SW8 970104 Modification
Location: Brunswick County
Applicant: Mr. Chris Stephens, President
Mailing Address: Landmark Developers, Inc.
PO Box 4127
Wilmington, NC 28406
Application Date: October 27, 1998 (Modification received)
Receiving Stream/Classification: Jackey's Creek (CFR 18-77-3)
Sturgeon Creek (CFR18-77-1)
Classification of Water Body: "C Sw"
Drainage Area, acres:
Pond Depth, feet:
Permanent Pool Elevation, FMSL:
Total Impervious Surfaces, ft2:
Lot BUA, ft2:
Roads/Parking, ft2
Sidewalk, ft2
Maintenance Building
Offsite Area entering Pond, ft2:
Required Surface Area, ft2:
Provided Surface Area, ft2:
Required Storage Volume, ft3:
Provided Storage Volume, ft3:
Temporary Storage Elevation, FMSL:
POND 1
POND 3
POND 5
128.5
15.48
26.2
7
7.5
7.5
18
26
17
1,281,056
189,993
366,850
845,048
18,256
209,299
342,125
84,942
119,920
93,883
incl. in road
28,919
---- ----
8,712
none, per Engineer
53,608
5,148
9,864
83,975
6,497
11,137
119,402
17,059
32,269
159,553
21,359
32,334
19.9
28.6
19.4
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State Stormwater Management Systems
Permit No. SW8 970104 Modification
Controlling Orifice: 2 each @3" 211_ 2"_ pipe
II. SCHEDULE OF COMPLIANCE
i . No homeowner/lot owner/developer shall fill in, alter, or pipe any drainage feature (such as swales or
curb outlet swales) shown on the approved plans as part of the stormwater management system
without submitting a revision to the permit and receiving approval from the Division prior to
construction.
2. The permittee is responsible for verifying that the proposed built -upon area does not exceed the
allowable built -upon area. Once the lot transfer is complete, the built -upon area may not be revised
without approval from the Division of Water Quality, and responsibility for meeting the built -upon
area limit is transferred to the individual property owner.
3. The uncollected portions of the low density subdivision are served by a Curb Outlet System. The
swales are generally located between lots, and must be maintained with a stable, vegetated 5:1
sideslope, be a minimum of 100' long, have a longitudinal slope of 5% or less, maintain a dense,
vegetated cover, and be able to carry the peak flow from a 10 year storm in a non -erosive manner.
4. The following items will require a modification to the permit:
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 of the project area.
f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan.
5. The Director may determine that other revisions to the project should require a modification to the
permit.
6. 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.
7. The stormwater management system (ponds and curb outlet swale system) shall be constructed in
their entirety, vegetated and operational for their intended use prior to the construction of any
built -upon surface.
8. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be
repaired immediately.
9. upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to
operation of this permitted facility, a certification must be received from an appropriate designer for
the system installed certifying that the permitted facility has been installed in accordance with this
permit, the approved plans and specifications, and other supporting documentation. Any deviations
from the approved plans and specifications must be noted on the Certification.

State Stormwater Management Systems
Permit No. SW8 970104 Modification
10. Decorative spray fountains will not be allowed in the stormwater treatment system.
11. If the stormwater system was used as an Erosion Control device, it must be restored to design
condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility.
12. Prior to transfer of ownership from the permittee to a third parry such as an HOA, the stormwater
management systems must be inspected by DWQ personnel, and determined to be in compliance with
all permit conditions. Records of maintenance activities will be required.
13. The permittee shall at all times provide the operation and maintenance necessary to assure the
permitted stormwater system functions at optimum efficiency. The approved Operation and
Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled
intervals including, but not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
C. Mowing and revegetation of side slopes of the pond and the swales.
d. Immediate repair of eroded areas.
e. Maintenance of side slopes in accordance with approved plans and specifications.
f. Debris removal and unclogging of outlet structure, orifice device and catch basins and piping.
g. Access to the outlet structure must be available at all times.
14. Records of maintenance activities must be kept and made available upon request to authorized
personnel of DWQ. The records will indicate the date, activity, name of person performing the work
and what actions were taken.
15. Prior to the sale of any lot, deed restrictions must be recorded which limit the built -upon area per lot
to the amount as shown on the Project Data Sheet, per Section I, Part 2. The recorded statements must
follow the form:
a. "The maximum built -upon area per lot in this section is *see below square feet. This allotted
amount includes any built -upon area constructed within the lot property boundaries, and that
portion of the right-of-way between the front lot line and the edge of the pavement. Built upon
area includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone, slate, and
coquina, but does not include raised, open wood decking, or the water surface of swimming
Pools."
b. "The covenants pertaining to stormwater regulations may not be changed or deleted without
concurrence of the State."
"Alteration of the drainage as shown on the approved plan, including the curb outlet swales,
may not take place without the concurrence of the State."
d. "Lots within CAMA's Area of Environmental Concern may be subject to a reduction in their
allowable built -upon area due to CAMA regulations."
e. "Each lot shall maintain a minimum of 30' of vegetated buffer between any impervious
surface on the lot and surface waters."
* The permittee will fill in the built -upon area associated with each lot in the section, per the
requirements of Section I, Part 2 this permit.
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State Stormwater Management Systems
Permit No. SW8 970104 Modification
16. A copy of the recorded deed restrictions must be submitted to the Division within 30 days of the date
of recording the plat, and prior to selling lots. The recorded copy must bear the signature of the
Permittee, the deed book number and page, and stamp/signature of the Register of Deeds.
17. This permit shall become voidable unless the facilities are constructed in accordance with the
conditions of this permit, the approved plans and specifications, and other supporting data.
18. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a
minimum of ten years from the date of the completion of construction.
19. All runoff from the impervious surfaces of the clubhouse area, including parking lots, roads, and
building, must drain into Pond #3 of the permitted system.
III. GENERAL CONDITIONS
1. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or
there is a name change of the Permittee, a "Name/Ownership Change Form" must be submitted to the
Division of Water Quality accompanied by appropriate documentation from the parties involved,
such as a copy of the deed of trust. Other supporting materials, such as a signed Operation and
Maintenance plan in the case of engineered systems, will also be required. The project must be in
good standing with DWQ. The approval of this request will be considered on its merits and may or
may not be approved.
2. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee
to enforcement action by the Division of Water Quality, in accordance with North Carolina General
Statute 143-215.6A to 143-215.6C.
3. 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.
4. 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 this Division, such as the construction of additional or replacement stormwater management
systems.
5. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request
for a permit modification, revocation and reissuance or termination does not stay any permit
condition.
6. Permittee grants permission to staff of the DWQ to access the property for the purposes of inspecting
the stormwater facilities during normal business hours.
Permit issued this the 4th day of October, 1999.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Kerr T. Stevens, Director
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State Stormwater Management Systems
Permit No. SW8 970104 Modification
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number SW8 970104 Modification
Magnolia Greens Master Plan
Stormwater Permit No. SW8 970104 Modification
Brunswick County
Designer's Certification
Page 1 of 2
I, as a duly
registered in the State of North Carolina, having been authorized to
observe (periodically/weekly/full time) the construction of the project,
(Project)
for (Project Owner) hereby state that, to the best of my abilities,
due care and diligence was used in the observation of the project construction such that the construction was
observed to be built within substantial compliance and intent of the approved plans and specifications.
The checklist of items on page 2 of this form are a part of this Certification.
Noted deviations from approved plans and specifications:
Signature
Registration Number
Date
SEAL
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State Stormwater Management Systems
Permit No. SW8 970104 Modification
Certification Requirements:
1.The drainage area to the system contains approximately the permitted acreage.
2.1he drainage area to the system contains no more than the permitted amount of built -upon area.
Page 2 of 2
3.All the built -upon area associated with the project is graded such that the runoff drains to the system.
4.The outlet/bypass structure elevations are per the approved plan.
S.The outlet structure is located per the approved plans.
6.Trash rack is provided on the outlet/bypass structure.
7.All slopes are grassed with permanent vegetation.
8.Vegetated slopes are no steeper than 3:1.
9.The inlets are located per the approved plans and do not cause short-circuiting of the system.
10. The permitted amounts of surface area and/or volume have been provided.
11. Required drawdown devices are correctly sized per the approved plans.
12. All required design depths are provided.
13. All required parts of the system are provided, such as a vegetated shelf, a forebay, and the vegetated
filter.
14. The overall dimensions of the system, as shown on the approved plans, are provided.
cc: NCDENR-DWQ Regional Office
Delaney Aycock, Brunswick County Building Inspector
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