SW7081111_CURRENT PERMIT_20090513

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO. SW
DOC TYPE IAA CURRENT PERMIT
(❑ APPROVED PLANS
❑ HISTORICAL FILE
❑. COMPLIANCE EVALUATION INSPECTION
DOC DATE e J�
YYYYM M D D

� 0 �a 0
r
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Colleen H. Sullins Dee Freeman
Governor
Director
May 13, 2009
Rivers Edge, LLC
Attn: Ms. Traci Dusenbury .
1403 Pitching Wedge Dr., Suite 305
-Raleigh, NC 27603
Subject: Stormwater Permit No. SW7081111
Rivers Edge at Elizabeth Crossing
High Density Stormwater Project
Pasquotank County
Dear Ms. Dusenbury:
The Washington Regional Office received a completed Stormwater Management
Permit Application for the subject project on May 12, 2009. 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. SW7081111 dated May 13, 2009 for the subject
project. (,)— (7j p 19-,1
This permit shall be effective from the date of issuance until May 13, 2019, 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
and in the submitted application. 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.
North Carolina Division of Water Quality Internet: www.ncwaterauality,ore
943 Washington Square Mall Phone: [phone]
Washington, NC 27889 17AX 252-946-9215
An Equal Opportunity/Affirmative Action Employer— 50% Recycletl110% Post Consumer Paper
Nne
oithCarolina
Naturally

Page 2 of 9
Rivers Edge, LLC
May 13, 2009
Page Two
If you have any questions, or need additional information concerning this matter,
please contact either Bill Moore, or me at [phone].
Sincerely,
ky v_
Alod'i
Regional Supervisor
Surface Water Protection Section
cc: Albemarle & Associates
Pasquotank County Building Inspections
,/Washington Regional Office
Central Files

Page 3 of 9
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
ATE 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
Rivers Edge, LLC
Rivers Edge at Elizabeth Crossing
Pasquotank County
FOR THE
construction, operation and maintenance of a wet detention basin in compliance
with the provisions of 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.
This permit shall be effective from the date of issuance until May 13, 2019 and
shall be subject to the following specified conditions and limitations:
I. DESIGN STANDARDS
This permit is effective only with respect to the nature and volume of
stormwater described in the application and other supporting data.
2. This stormwater system has been approved for the management of
stormwater runoff as described in Section 1.6 on page 4 of this permit. The
stormwater controls have been designed to handle the runoff from 4.72
acres of impervious area.
3. All stormwater collection and treatment systems must be located in either
dedicated common areas or recorded easements. The final plats for the
project will be recorded showing all such required easements, in
accordance with the approved plans and permit.
4. The tract will be limited to the amount of built -upon area indicated on page
4 of this permit, and per approved plans.

Page 4 of 9
5. The runoff from all built -upon area within the permitted drainage areas of
this project must be directed into the permitted stormwater control system.
6. The following design criteria have been provided in the wet detention
basin and must be maintained at design condition:
a. Total Site Area: 11.44 acres
b.
Total Impervious Surfaces:
4.72 acres
C.
Design Storm:
1.5 - inch
d.
Pond Depth:
3.0 ft
e.
TSS removal efficiency:
90 %
f.
Permanent Pool Elevation, FMSL:
3.5 ft
g.
Permanent Pool Surface Area Required:
22,983 sf
h.
Permanent Pool Surface Area Provided:
47,439 sf
i.
Permanent Storage Volume Required:
26,229 cf
j.
Permanent Storage Volume Provided:
144,039 cf
k.
Temporary Storage Elevation, FMSL:
6.0 ft
I.
Small Diameter Controlling Orifice:
2.5 - inch pipe
M.
Receiving Stream/River Basin:
Knobbs Creek
n.
Classification of Water Body:
C, sw
II. SCHEDULE OF COMPLIANCE
1. The stormwater management system shall be constructed in its entirety,
vegetated and operational for its intended use prior to the construction of
any built -upon surface.
2. During construction, erosion shall be kept to a minimum and any eroded
areas of the system will be repaired immediately.
3. 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 Plans
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 slopes and the vegetated filter.
d. Immediate repair of eroded areas.

Page 5 of 9
e. Maintenance of all slopes in accordance with approved plans and
specifications.
f. Debris removal and unclogging of bypass structure, filter media,
flow spreader, catch basins, piping and vegetated filter.
g. A clear access path to the bypass structure must be available at all
times.
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.
5. The facilities shall be constructed as shown on the approved plans. 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.
6. 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. A modification may be
required for those deviations.
7. 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.
8. Access to the stormwater facilities shall be maintained via appropriate
easements at all times.
The permittee shall submit to the Director and shall have received
approval for revised plans, specifications, and calculations prior to
construction, for any modification to the approved plans, including, but not
limited to, those listed below:
a. Any revision to any item shown on the approved plans, including
the stormwater management measures, built -upon area, details,
etc.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area or
to the drainage area.
e. Further subdivision, acquisition, lease or sale of all or part of the
project area. The project area is defined as all property owned by
the permittee, for which Sedimentation and Erosion Control Plan
approval or a CAMA Major permit was sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on
the approved plan.

Page 6 of 9
10. The permittee shall submit final site layout and grading plans for any
permitted future areas shown on the approved plans, prior to construction.
11. A copy of the approved plans and specifications shall be maintained on
file by the Permittee at all times.
12. 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.
13. This permit shall be effective from the date of issuance until May 13, 2019.
Application for permit renewal shall be submitted 180 days prior to the
expiration date of this permit and must be accompanied by the processing
fee.
III. GENERAL CONDITIONS
This permit is not transferable except after notice to and approval by the
Director. In the event of a change of ownership, or a name change, the
permittee must submit a formal permit transfer request to the Division of
Water Quality, accompanied by a completed name/ownership change
form, documentation from the parties involved, and other supporting
materials as may be appropriate. The approval of this request will be
considered on its merits and may or may not be approved. The permittee
is responsible for compliance with all permit conditions until such time as
the Division approves the transfer request.
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) having 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 permittee grants DENR Staff permission to enter the property during
normal business hours for the purpose of inspecting all components of the
permitted stormwater management facility.
6. 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.

Page 8 of 9
Stormwater Permit No. SW7081111
Wet Pond System
Rivers Edge at Elizabeth Crossing
Elizabeth City, NC
Designer's Certification
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.
Note: The checklist on the following page must be included with this
Certification. Any changes or deviations from the approved plans and
specifications must be explained in detail, and may require a permit modification.
The certification forms should be submitted to the Division of Water Quality at the
appropriate Regional office.
SEAL
Signature
Registration Number
Date

Page 7 of 9
7. Unless specified elsewhere, permanent seeding requirements for the
stormwater control must follow the guidelines established in the North
Carolina Erosion and Sediment Control Planning and Design Manual.
8. Approved plans and specifications for this project are incorporated by
reference and are enforceable parts of the permit. A copy of the approved
plans and specifications shall be maintained on file by the Permittee for
the life of the project.
9.. The permittee shall notify the Division of any name, ownership or mailing
address changes within 30 days.
Permit issued this the 13 th day of May, 2009.
L
LINA ENVIRONMENTAL MANAGEMENT COMMISSION
for
uoieen H. suwuns, uirector
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number SW7081111

Page 9 of 9
Com lete this checklist for each system and include with
Certification:
1. The drainage area to the system contains approximately the
permitted acreage.
2. The drainage area to the system contains no more than the
permitted amount of built -upon area.
3. All the built -upon area associated with the project is graded such
that the runoff drains to the system.
4. All roof drains are located such that the runoff is directed into the
system.
5. The bypass structure elevations are per the approved plan.
6. The bypass structure is located per the approved plans.
7. A Trash Rack is provided on the outlet/bypass structure.
8. All slopes are grassed with permanent vegetation.
9. Vegetated slopes are no steeper than 3:1.
10. The inlets are located per the approved plans and do not cause
short-circuiting of the system.
11. The permitted amounts of surface area and/or volume have been
provided.
12. All required design depths are provided.
13. All required parts of the system are provided.
14. The required system dimensions are provided per the approved
plans.

a,,-kVaX dll;?s
I'.rrSoi'q
S;umiwater Permit No. SW7081111,
Wet Pond System
Rivers Edge at Elizabeth Grossing
Elizabeth City, NC
SEP 12010
Designer's Certification
I, Sean C. Rob_ ey _. as a duly registered
profes.s.i,ona.l_eng.i.ne.er- in the State of North Carolina, having beer.
authorized to observe �eriodica ' weeklyl full time) the construction of the
project,
Rivers Edge at Elizabeth Crossing
(Project)
for Rivers Edge, LLC„_•_„_ {ProjectOwner) 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.
Note: The checklist on the following page must be included with this
Cerfitioation. Any changes or deviations from the approved plans and
specifications must be explained in detail, and may require a permit modification.
The certification forms should be submitted to the Division of Vititer Quality at the
appropriate. Regional office.
Signature • �.
Registration Number
Date —Yam'///O
oQtHtCARp��y�ii�
SEAL
18550
S I- c
&A� ICI

/oZG- U.5r7S
W Psys Ell
I

Paul )ail 9
Com lete this checklist for each system and include with
Certification:
J 1. The drainage area to the system contains approximately the
permitted acreage.
�2. The drainage area to the system contains no more than the
/ permitted arnount of built -upon area.
✓ 3. All the built -upon area associated with the project is graded such
/ that the runoff drains to the system.
✓ 4. All roof drains are located such that the runoff is directed into the
/ system.
The bypass structure elevations are per the approved plan.
_z6- The bypass structure is located per the approved plans.
-to/-A_' A Trash Rack is provided on the outleUbypass structure.
L3 TheAlPsrlopesrae grassed wfYspermae
envegetaion weir.
zg. Vegetated slopes are no steeper than 3:1.
,/ 1U. The inlets are located per the approved plans and do not cause
short-circuiting of the system.
_Z1. The permitted amounts of surface area and'or volume have been
provided.
�✓ 12. All required design depths are provided.
�11 All required parts of the system are provided.
_./ 14. The required system dimensions are provided per the approved
plans.

WsM
August 31, 2010
Mr. Al Hodge
Dept. of Environment and Natural Resources
Water Quality Section
943 Washington Square Mall
Washington, NC 27889
Subject: Stormwater Permit No. SW7081111
Rivers Edge at Elizabeth Crossing
Proj. #090336
Dear Mr. Hodge:
ll�
HYMAN
ROBEY-®
SEP 12010
Enclosed please find the Designer's Certification for the above referenced project. Please note
that Hyman & Robey, PC was hired to perform inspection and to certify the construction of this
project. The project was designed by Albemarle & Associates. The owner and developer
provided us with plans sealed on 8/19/09. The Grading and Stormwater Plan (sheets C302 &
C303) indicate a revision date of 7/17/09 and the stormwater pond details (sheet C304) indicate
a revision date of 5/7/09.
If you have any questions or require additional information, please do not hesitate to call this
office at [phone].
Sincerely,
Kimberly�y
Sr. Project Manager
cc: file
Doug Hart
R O. Box 339 Camden, North Carolina 27921
[phone] license C-0598
w .hymanrobey.com

IF, V• ru- ,,a DWQ USE ONLY
Date Received
Fee Paid
Permit Number
r t State of North Carolina S VJAC K 1
Department of Environment and Natural Resources
Ncot Division of Water Quality
V•� STORMWATER MANAGEMENT PERMIT APPLICATION FORM
'03" v This form rnoy be photocopied for use as an original
7/1 b
I. GENERAL INFORMATION
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance):
MS . Trams; J)u.sPrtbtn:Y
3. Mailing Address for person listed in item 2 above:
1403 Pitching Wedge Drive, Suite 305
City:Raliegh State:NC Zip:27603
Phone: (919 ) 662-0122 Fax: (919 ) 662-0124
EmaiLtddouglascoOO nc.rr.com
4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
River's Edge at Elizabeth Crossing
5. Location of Project (street address):
1026 US HWY 17 south
City:Elizabeth City County:Pasquotank Zip:27909
6. Directions to project (from nearest major intersection):
From the iintersection of US 17 (bus) and Halstead Aveneue (NC344) continue South along US17
approximately 0.5mi.to the merge with US17 (bypass). The will be approximately 1000 on the right
7. Latitude:36° 17' 24" N Longitude:76° 15' 16" W of project
8. Contact person who can answer questions about the project:
Name:Michael I. Morway, PE Telephone Number: (252 ) 441-2113
Email:mikemQalbemarleassociates.com
IL PERMIT INFORMATION:,r77�
1. Specify whether project is (check one): ®New []Renewal ❑Modification
Fonn SWU-101 Version 09.25.08 Page I of

2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date (if known)
3. Specify the type of project (check one):
❑Low Density ®High Density ❑Redevelop ❑General Permit ❑Universal SMP ❑Other
4. Additional Project Requirements (check applicable blanks; information on required state permits can be
obtained by contacting the Customer Service Center at 1-877-623-6748):
❑LAMA Major ®Sedimentation/Erosion Control ❑404/401 Permit ❑NPDES Industrial Stormwater
III. PROJECT INFORMATION
1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative
(one to two pages) describing stormwater management for the project.
Stormwater runoff will be directed (via sheet flow) to swales along the center and perimeter of the property. The
swales will convey the runoff to a retention pond at the north end site. Two forebays have been provided within
pond which will treat the runoff prior to discharge into the existing wetlands via a level spreader.
2. Stormwater runoff from this project drains to the Pasqutoank River basin.
3. Total Property Area:11.44 acres 4. Total Coastal Wetlands Area: 0 acres
5. Total Property Area (3) - Total Coastal Wetlands Area (4) = Total Project Area**:11.44 acres
6. (Total Impervious Area / Total Project Area) X 100 = Project Built Upon Area (BUA):41.2 % %
7. How many drainage areas does the project have?1
8. Complete the following information for each drainage area. If there are more than two drainage areas in the
project, attach an additional sheet with the information for each area provided in the same format as below.
For hieh density proiects, complete the table with one drainage area for each engineered stormwater device.
Basin Information
Drainage Area 1
Drainage Area 2
Receiving Stream Name
Knobbs Creek
Stream Class 6r Index No.
C, Sw (30-3-8)
Total Drainage Area (so
498,544
On -site Drainage Area (so
498,544
Off -site Drainage Area (sf)
0
Existing Impervious* Area (so
0
Proposed Impervious*Area (so
205,445
% Impervious* Area (total)
41.2%
Impervious* Surface Area
Drainage Area 1
Drainage Area 2
On -site Buildings (so
69,402
On -site Streets (so
On -site Parking (so
107,009
On -site Sidewalks (so
29,034
Other on -site (so
Off -site (so
Total (so:
205,445
y
* Impervious area is defined as the built upon area including�bui not limited to, buildings, roads, parking areas,
sidewalks, gravel areas, etc.
**Total project area shall be calculated to exclude Coastal Wetlands from use when calculating the built upon area
percentage calculation. This is the area used to calculate overall percent project built upon area (BLIA).
Form SWU-101 Version 09.25.08 Page 2 of

9. How was the off -site impervious area listed above derived?autocad
Projects in Union County: Contact the DWQ Central Office staff to check to see if you project is located
within a l hrealened & Endangered Species watershed that may be subject to more stringent stormwater
requirements.
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
One of the following property restrictions and protective covenants are required to be recorded for all
subdivisions, outparcels and future development prior to the sale of any lot. If lot sizes vary significantly, a table
listing each lot number, size and the allowable built -upon area for each lot must be provided as an attachment.
Forms can be downloaded from http://h2o.enr.state.nc.us/su/bmp forms.htm - deed restrictions.
Form DRPC-1
High Density Commercial Subdivisions
Form DRPC-2
High Density Developments with Outparcels
Form DRPC-3
High Density Residential Subdivisions
Form DRPC-4
Low Density Commercial Subdivisions
Form DRPC-5
Low Density Residential Subdivisions
Form DRPC-6
Low Density Residential Subdivisions with Curb Outlets
By your signature below, you certify that the recorded property restrictions and protective covenants for this
project shall include all the applicable items required in the above form, that the covenants will be binding
on all parties and persons claiming under them, that they will run with the land, that the required covenants
cannot be changed or deleted without concurrence from the NC DWQ and that they will be recorded prior to
the sale of any lot.
V. SUPPLEMENT FORMS
The applicable state stormwater management permit supplement form(s) listed below must be submitted for each
BMP specified for this project. Contact the Stormwater Permitting Unit at [phone] for the status and
availability of these forms. Forms can be downloaded from http://h2o.enr.state.nc.us/su/bmp forms.htm.
Form SW401-Low Density
Form SW401-Curb Outlet System
Form SW401-Off-Site System
Form SW401-Wet Detention Basin
Form SW401-Infiltration Basin
Form SW401-Infiltration Trench
Form SW401-Bioretention Cell
Form SW401-1-evel Spreader
Form SW401-Wetland
Form SW401-Grassed Swale
Form SW401-Sand Filter
Form SW401-Permeable Pavement
Form SW401-Cistern
Low Density Supplement
Curb Outlet System Supplement
Off -Site System Supplement
Wet Detention Basin Supplement
Infiltration Basin Supplement
Underground Infiltration Trench Supplement
Bioretention Cell Supplement
Level Spreader/Filter Strip/Restored Riparian Buffer Supplement
Constructed Wetland Supplement
Grassed Swale Supplement
Sand Filter Supplement
Permeable Pavement Supplement
Cistern Supplement
Form SWU-101 Version 09.25.08 Page 3 of

VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ).
A complete package includes all of the items listed below. The complete application package should be
submitted to the appropriate DWQ Office. (Appropriate office may be found by locating project on the
interactive online map at htto:/ih2o.enr.state.nc.us/sii/msi mans.htm)
1. Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
Initials
• Original and one copy of the Stormwater Management Permit Application Form MAM
• Original and one copy of the Deed Restrictions & Protective Covenants Form (if AK_S' ,( — f:
required as per Part IV above)
• Original of the applicable Supplement Form(s) and O&M agreement(s) for each BMP lks M
• Permit application processing fee of $505 (Express: $4,000 for HD, $2,000 for LD)
payable to NCDENR MS
• Calculations & detailed narrative description of stormwater treatment/management y�-k S R/l
• Copy of any applicable soils report NA A M
• Two copies of plans and specifications (sealed, signed & dated), including: M S M
- Development/Project name
- Engineer and firm
-Legend
- North arrow
- Scale
- Revision number & date
- Mean high water line
- Dimensioned property/project boundary
- Location map with named streets or NCSR numbers
- Original contours, proposed contours, spot elevations, finished floor elevations
- Details of roads, drainage features, collection systems, and stormwater control measures
- Wetlands delineated, or a note on plans that none exist
- Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations
- Drainage areas delineated
- Vegetated buffers (where required)
VII. AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf (such as additional information requests), please complete this section. (ex. designing engineer or firm)
Designated agent (individual or firm):Albemarle & Associates, Ltd
Mailing Address:117C North Water Street
City:Elizabeth Cih, State:NC Zip:27909
Phone: (252 ) 338-5771 Fax: (252 ) 338-5719
Email:[e-mail]
VIII. APPLICANT'S CERTIFICATION
I (n'mt" bna unnm nfnnrcnn rand in Gnvarni lnfnr..v,f;m, it,., 91 TO h( e PL, J 1
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
and protective covenants will be recorded, and that the proposed project complies with the requirements of 15A
NCAC 2H .1000.
1 �'H_d's
FormSWU-101 Version09.25.08 Page 4of4

Permit Number:
(to be provided by DWQ)
Drainage Area Number:
Wet Detention Basin Operation and Maintenance Agreement
I will keep a maintenance record on this BMP. This maintenance record will be kept in a
log in a known set location. Any deficient BMP elements noted in the inspection will be
corrected, repaired or replaced immediately. These deficiencies can affect the integrity
of structures, safety of the public, and the removal efficiency of the BMP.
The wet detention basin system is defined as the wet detention basin,
pretreatment including forebays and the vegetated filter if one is provided. = �'
This system (check one): NOV 2 Q 2008
® does ❑ does not incorporate a vegetated filter at the outlet.
s
This system (check one):
® does ❑ does not incorporate pretreatment other than a forebay.
Important maintenance procedures:
— Immediately after the wet detention basin is established, the plants on the
vegetated shelf and perimeter of the basin should be watered twice weekly if
needed, until the plants become established (commonly six weeks).
— No portion of the wet detention pond should be fertilized after the first initial
fertilization that is required to establish the plants on the vegetated shelf.
— Stable groundcover should be maintained in the drainage area to reduce the
sediment load to the wet detention basin.
— If the basin must be drained for an emergency or to perform maintenance, the
flushing of sediment through the emergency drain should be minimized to the
maximum extent practical.
— Once a year, a dam safety expert should inspect the embankment.
After the wet detention pond is established, it should be inspected once a month and
within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a
Coastal County). Records of operation and maintenance should be kept in a known set
location and must be available upon request.
Inspection activities shall be performed as follows. Any problems that are found shall
be repaired immediately.
BMP element:
Potentialproblem:
How I will remediate theproblem:
The entire BMP
Trash/debris is present
Remove the trash/debris.
The perimeter of the wet
Areas of bare soil and/or
Regrade the soil if necessary to
detention basin
erosive gullies have formed.
remove the gully, and then plant a
ground cover and water until it is
established. Provide lime and a
one-time fertilizer application.
Vegetation is too short or too
Maintain vegetation at a height of
long.
approximately six inches.
Form SW401-Wet Detention Basin O&M-Rev.4 Page 1 of 4

Permit Number:
(to be provided by DWQ)
Drainage Area Number:
BMP element:
Potentialproblem:
How I will remediate theproblem:
The inlet device: pipe or
The pipe is clogged.
Unclog the pipe. Dispose of the
swale
sediment off -site.
The pipe is cracked or
Replace the pipe.
otherwise damaged.
Erosion is occurring in the
Regrade the swale if necessary to
swale.
smooth it over and provide erosion
control devices such as reinforced
turf matting or riprap to avoid
future problems with erosion.
The forebay
Sediment has accumulated to
Search for the source of the
a depth greater than the
sediment and remedy the problem if,
original design depth for
possible. Remove the sediment and
sediment storage.
dispose of it in a location where it
will not cause impacts to streams or
the BMP.
Erosion has occurred.
Provide additional erosion
protection such as reinforced turf
matting or riprap if needed to
prevent future erosion problems.
Weeds are present.
Remove the weeds, preferably by
hand. If pesticide is used, wipe it on
the plants rather than spraying.
The vegetated shelf
Best professional practices
Prune according to best professional
show that pruning is needed
practices
to maintain optimal plant
health.
Plants are dead, diseased or
Determine the source of the
dying.
problem: soils, hydrology, disease,
etc. Remedy the problem and
replace plants. Provide a one-time
fertilizer application to establish the
ground cover if a soil test indicates
it is necessary.
Weeds are present.
Remove the weeds, preferably by
hand. If pesticide is used, wipe it on
the plants rather than spraying.
The main treatment area
Sediment has accumulated to
Search for the source of the
a depth greater than the
sediment and remedy the problem if
original design sediment
possible. Remove the sediment and
storage depth.
dispose of it in a location where it
will not cause impacts to streams or
the BMP.
Algal growth covers over
Consult a professional to remove
50% of the area.
and control the algal growth.
Cattails, phragmites or other
Remove the plants by wiping them
invasive plants cover 50% of
with pesticide (do not spray).
the basin surface.
Form SW401-Wet Detention Basin O&M-Rev.4 Page 2 of 4

Pennit Number:
(to be provided by DWQ)
Drainage Area Number:
BMP element:
Potentialproblem:
How I will remediate theproblem:
The embankment
Shrubs have started to grow
Remove shrubs immediately.
on the embankment.
Evidence of muskrat or
Use traps to remove muskrats and
beaver activity is present.
consult a professional to remove
beavers.
A tree has started to grow on
Consult a dam safety specialist to
the embankment.
remove the tree.
An annual inspection by an
Make all needed repairs.
appropriate professional
shows that the embankment
needs repair. if applicable)
The outlet device
Clogging has occurred.
Clean out the outlet device. Dispose
of the sediment off -site.
The outlet device is damaged
Repair or replace the outlet device.
The receiving water
Erosion or other signs of
Contact the local NC Division of
damage have occurred at the
Water Quality Regional Office, or
outlet.
the 401 Oversight Unit at 919-733-
1786.
The measuring device used to determine the sediment elevation shall be such
that it will give an accurate depth reading and not readily penetrate into
accumulated sediments.
When the permanent pool depth reads 55:5 feet in the main pond, the sediment
shall be removed.
When the permanent pool depth reads 4.5 feet in the forebay, the sediment
shall be removed.
Sediment Removal E' . -1_0
Bottom
FOREBAY
BASIN DIAGRAM
(fill in the blanks)
fft Min.
Sediment
Storage
Permanent Pool Elevation 3.5
Sediment Removal Elevation -2.0
------------------------ -----------
Bottom Elevation
to ryVI 017M
l-ft
Storage
Form SW401-Wet Detention Basin O&M-Rev.4 Page 3 of 4

Permit Number:
(to be provided by DWQ)
I acknowledge and agree by my signature below that I am responsible for the
performance of the maintenance procedures listed above. I agree to notify DWQ of any
problems with the system or prior to any changes to the system or responsible party.
Project name: River's Edge at Elizabeth Crossing
BMP drainage area number: I p
Printname: TraLl FUSE
Address: H O
Date: 11'(1- U'5
Note: The legally responsible party should not be a homeowners association unless more than 50% of
the lots have been sold and a resident of the subdivision has been named the president.
1, PA1xv_ tot_ S - frex.4, , a Notary Public for the State of
Qor Vy., Cnxe I � Kw , County of Wg..L , do hereby certify that
Trams; -DLt .rt bur personally appeared before me this
day of t-1 o w . cv , ) D o 5?,, and acknowledge the due execution of the
forgoing wet detention basin maintenance requirements. Witness my hand and official
seal,
S.
`Q �oTARY�y=:
Q
Comm. Exp.
6-14-2012.
U
F COUNT.
SEAL
e", I --
My commission expires V o..�
Form SW40I-Wet Detention Basin O&M-Rev.4 Page 4 of

Permit No.
(m be Provided by DWQ)
®�� OOF W ATFgOG
WDENR
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WET DETENTION BASIN SUPPLEMENT
This form must be filled out, printed and submitted.
The Required items Checklist (Part 111) must be printed, filled out and submitted along with all of the required information.
Project name
Contact person
Phone number
Date
Drainage area number
Michael J. Moray
252-441-2113
17-Nov
1
II. DESIGN INFORMATION
Silo Characteristics
Drainage area
498,544 le
Impervious area, post -development
205,445 f JAN 2 B 2009
%hnpanious
41.21 %
Design rainfall depth
1.5 in
Storage Volume: Non-SAWaters
Minimum volume required
Volume provided
Storage Volume: SA Wafers
1.5' runoff volume
Pre -development 1-yr, 24-hr runoff
Postdevelopmerd 1-yr, 24-hr runoff
Minimum volume required
Volume provided
Peak Flow Calculations
Is the prelpost control of the lyr 24hr storm peak flow required?
1-yr, 24-hr rainfall depth
Rational C, predevelopm erd
Rational C, post -development
Rainfall intensity: 1-yr, 2441r storm
Pre -development 1-yr, 24-1v peak flow
Post -development 1-yr, 24-hr peak flow
Pre(Posl 1-yr, 24-hr peak floc control
Elevations
Temporary pod elevation
Permanent pod elevation
SHWT elevation (approx. at the pens. pool elevation)
Top of 1Oft vegetated shelf elevation
Bottom of 10fl vegetated shelf elevation
Sediment deanoul, top elevation (bottom of pond)
Sediment deanod, bottom elevation
Sediment storage provided
Is there additional volume stored above the statetequtred temp. pond?
Elevation of the top of the additional volume
26,2291f' OK
144,039 ft OK volume provided is equal to or in excess of volume required.
rda ft3
to
to
rda fta
to
y (Y or N)
3.1 in
0.30 (unitless)
0.57 (unidess)
0.13 Irdhr OK
0.44 f elsec
0.84 ft /sec
0.40 felsec
6.00 find
3.50 final
3.50 final
4.00 fmsl
3.00 frost Data not needed for calculation option #1, but OK ff provided.
-2.00 final
4.00 fins! Data not needed for calculation option #1, but OK if provided.
2.00 It
y (Y or N)
6.0 host OK
Form SW401-Wet Detention Basin-Rev.5 Palo I. a II. Design Summary, Page 1 of 2

Permit
(ro be Provided by DWQ)
II. DESIGN INFORMATION
Surface Areas
Area, temporary pool
64,630 fe
Area REQUIRED, permanent pod
22,983 ft
SAtDA ratio
4.61 (unitless)
Area PROVIDED, permanent pod, Ar, _p,
47,439 ft OK
Area, bottom of 10ft vegetated shelf, Abj_,,
40,855 e
Area, sediment deanout. top elevation (bottom of pond), Aetyma
16,722 fe
Volumes
Volume, temporary pod
144,039 fe OK
Volume, permanent pod, V, _pw
144,464 R'
Volume, forebay (sum of forebays it more Dan one forebay)
27,346 ft
Forebay %of pemnarem pod volume
18.9% % OK
SAIDA Table Data
Design TSS removal
90 %
Coastal SAIDA Table Used?
y (Y or N)
Mountain/Piedmont SAIDA Table Used?
n (Y or N)
SAIDA ratio
4.61 (unitless)
Average depth (used in SAIDA table):
Calculation option i used? (See Figure 10-2b)
y (Y or N)
Volume, permanent pool, Vpe -M
147,469 ft
Insufficient. Does not equal data previously entered.
Area provided, permanent pool, Ape_pw
47,439 fe
OK
Average depth calculated
3.10 ft
OK
Average depth used In SAIDA, da., (Round to nearest 0.5ft)
3.0 ft
OK
Calculation option 2 used? (See Figure 10-2b)
n (Y or N)
Area provided, permanent pool, Avejw
fe
Area, bottom of IOft vegetated shelf, AbOL."
ft`
Area, sediment deanout top elevation (bottom of pond), Ak�
ftz
'Depth' (distance b/ry bottom of 10ft shelf and top of sediment)
ft
Average depth calculated
ft
Average depth used in SAIDA, d., (Round to nearest 0.5ft)
ft
Drawdown Calculations
Drawdown through orifice?
y (Y or N)
Diameter of orifice (d circular)
2.50 in
Area of orifice (9-noncircular)
in?
Coefficient of discharge (Co)
0.60 (unitless)
Driving head (Hj
0.73 ft
Drawdown through weir?
n (Y or N)
Weir type
(unitless)
Coefficient of discharge (Q
(unitless)
Length of weir (L)
ft
Driving head (H)
ft
Pre -development 1-yr. 24-hr peak flow
0.44 fl'Isec
Insufficient pre -development peak flow.
Post -development 1-yr, 24-hr peak flow
0.84 ft'/sec
OK
Storage volume discharge rate (through discharge orifice or weir,
0.14 fOlsec
OK, draws down in 25 days.
Storage volume drawdown time
2.10 days
Drawdown time varying from expected value by more than a half day.
Check calculation.
Additional Infomatlon
Vegetated side slopes
3 :1
OK
Vegetated shelf slope
10 :1
OK
Vegetated shelf width
10.0 ft
OK
Length of flowpath to width ratio
3 :1
OK
Length to width ratio
3.0 :1
OK
Trash rack for overflow 8 orifice?
y (Y or N)
OK
Freeboard provided
1.0 ft
OK
Vegetated filter provided?
y (Y or N)
OK
Receded drainage easement provided?
(Y or N)
Capures all runoff at ultimate build -out?
y (Y or N)
OK
Drain mechanism for maintenance or emergencies
pond is below water table - dewdtering is required to empty
Form SW401-Wet Detawon BuhFRevS
Pals I. 8 u. Desgn Summary. Pape 2 of 2

DOUGLAS DEVELOPMENT LLC
P O BOX 160
AYNOR, SC 29511
DATE Will --61
2877
67-674/532
PAY
ORDEROF
DOLLARS
ERS
RB 0MR S
BANK
y t
rl,
FOR lAlt..i"an.G� a eLlx��, _ - �iiro �d4Z.�
111002 47ii' 1:053206 4iC 65000563011' /
NOV 2 0 2008

Advantage Reporting: Performance Summary
Study: May 2007 WP
NC DENR DWVIIatory
Analyte Assigned Acceptable
Analyte its Code Result Value Range
Method Code Tech. Code
Method Desc. Tech. Desc. Evaluatio
-,,,Acid Extractifiihis
Phenol
µg/L
�6E25 .-
65.8
164
16.4
- 219
10185203
ACCITI ABLE
EPA8270
1,2,4-Trichlorobenzene
µg/L
5155
13
178
41 -
208
10185203
ACCIiT'I ABLE.
EPA8270
- `1,2-Dichlorobenzene
�: , `-� µg/L
- 4610' '
63.6 ..-
9.5 -`
9.I2-
96.5
10185203 : - - -,
ACCGP9 ABLE i
1,3-Dichlorobenzene
pg/L
4615 '
80.3
98.7
12.2
- 115
101852��YY33
ACCEPTABLE.
EPAR270
1,4-DichlorobenzenJe,- -=
'µg/L
4620 -
75.8
�'
93.8-'=
9. 8
- L 13
,185203
ACCEPTABLE.. "
2,4-Dinitrotoluene (2,4-DNT)
µg/L
6185
82.9
96.2
35.5
- 11
10185203
ACCEPTABLE
EPA8270
�. 2 6 Dimtfotoluene (2,6-DNT)
µg/L
_ `6190"` "
74.0
82.9 '-"
33.9
- 4
10185203 `. _
ACCEPTABLE ..
-. .- -
EPA8270
2-Chloronaphthalene
µg/L
5795
90.1
122
.5
- 147
10�85203
ACCEPI.Al3L1,
EPA 270
C 2-Methy1naphthalene
' µg/L
6385
66.5 .
74
13.6
- 89.2
'-. -
ACCEPTABLE -
2-Nitroaniline
µg/L
6460
h'OT REPUR'rm
3,3-D�chlorobenzidine �
- " 5945
's
�
-�
- N01'RLPC)R'rEll -_- • .
� '.w pg/L
4-Bromophenyl phenyl ether
µg/L
5660
13
157
50.2
- 209
'n
10185203
ACCEPTABLE
-
EPA8270
4-Chloroaniline
µg/L
5745
NOT R*LPt?RIE D
4-Chlorophenyl-phenylether
µg/L
5 5
121
120
44.9
- 149
`=
10185203
ACCEP'1-.,ABLE.
EPA8270
4'-Nitroaniline _...:... ...
; '. g/
`,. 6470. _
-.-
..._- _
..,
_- .
.-...
_ -.... N( 'REPORTED
APG Lab Code: 16442
Generated Date/Time:
This report is not 'Wen,
,/2007 9:02:43 AM
to comply with NELAC Standard Reporting Requirements
Page 2 of 13
pnefytitel w Wucb nrc'�'�. iµµ�ff.