SW8970521_Current Permit_20080724

ofWAI"
�Ot}. 9QG Michael F.Easley,Governor
William G.Ross Jr.,Secretary
j r North Carolina Department of Environment and Natural Resources
Coleen H.Sullins Director
Division of Water Quality
July 24, 2008
Douglas Fee; Vice President
UDRT of North Carolina, LLC
400 East Cary Street
Richmond, VA 23219
Subject: State Stormwater Permit No. SW8 970521 Renewal
Mill Creek Apartments Phase II
High Density Commercial Project
New Hanover County
Dear Mr. Fee:
The Wilmington Regional Office received a complete Stormwater Management Permit
Application for Renewal to the Mill Creek Phase II on January 22, 2008. 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 21-1.1000. We are forwarding Permit No. SW8 970521 Ren
dated July 24, 2008, for the construction, operation, and maintenance of the subject project.
This permit shall be effective from the date of issuance until July 24, 2018, 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. The re-
issuance of this stormwater permit does not imply that the site is currently in compliance with the terms
and conditions of this state stormwater permit.
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 sixty (60) days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150E 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 please contact M.J. Naugle, or me at [phone].
Sincer ,
�. ��
Edward Beck
Regional Supervisor
Surface Water Protection Section
ENB/ mjn: S:1WQSISTORMWATERIPERMIT1970521 Ren ju108
cc:
Mark Hargrove, PE
New Hanover County Building Inspections
City of Wilmington Development Services
Beth E. Wetherill, New Hanover County Engineering
Wilmington Regional Office, Central Files, M.J. Nauglea�u fa
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington,NC 28405 Phone[phone] Customer Service
Wilmington Regional Office Internet: wvvw,ncwater(luality�r Fax [phone]
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State Stormwater Management Systems
Permit No. SW8 970521 REN
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES.
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY COMMERCIAL 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
Douglas Fee and UDRT of North Carolina, LLC
Mill Creek Apartments Phase//
414 Mill Creek Court off Kerr Avenue, Wilmington, New Hanover County
FOR THE
Construction, operation and maintenance of two wet detention ponds 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 July 24, 2018, 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.
2. This stormwater system has been approved for the management of stormwater runoff as
described in Section 1.6 on page 3 of this permit. The stormwater control has been
designed to handle the runoff from 60,549 square feet of impervious area in Pond A and
184,694 square feet in Pond B.
3. The tract will be limited to the amount of built-upon area indicated on page 3 of this
permit, and per approved plans.
4. 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.
5. The runoff from all built-upon area within the permitted drainage area(s) of this project
must be directed into the permitted stormwater control system.
Page 2 of 7

State Stormwater Management Systems
Permit No. SW8 970521 REN
6. The following design criteria have been provided in the wet detention pond and must be
maintained at design condition:
Pond A Pond B
a. Drainage Area: 2.66 acres 7.8 acres
b. Total Impervious Surfaces, ft2: 60,549 184,694
C. Design Storm, inches: 1 1
d. Maximum pond depth, feet: 7.5 7.5
e. Permanent Pool Depth, feet: 3 3
f. Average depth, feet: 1.5 1.5
g. TSS removal efficiency: 90% 90%
h. Permanent Pool Elevation, FMSL: 28 28
i. Permanent Pool Surface Area, ft2: 2,086 9,607
j. Permitted Storage Volume, ft3: 13,870 46,295
k. Temporary Storage Elevation, FMSL: 28 28
1. Controlling Orifice: 1"0 pipe 2"0 pipe
M. Fountain Horsepower, HP 0 1/8
n. Receiving Stream/River Basin: Burnt Mill Creek/Cape Fear
o. Stream Index Number: 18-74-63-2
P. 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 time 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 re-vegetation of slopes and the vegetated filter.
d. Immediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans and specifications.
f. Debris removal and unclogging of outlet structure, orifice device, flow spreader,
catch basins and piping.
g. Access to the outlet structure must be available at all times.
4. 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. Decorative spray fountains will not be allowed in the stormwater treatment system since
the storage volume is less than 30,000 cu ft.
6. The facilities shall be constructed as shown on the approved plans. This permit shall
become void unless the facilities are constructed in accordance with the conditions of
this permit, the approved plans and specifications, and other supporting data.
7. 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.
Page 3 of 7

State Stormwater Management Systems
Permit No. SW8 970521 REN
8. 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.
9. Access to the stormwater facilities for inspection and maintenance shall be maintained
via appropriate recorded easements at all times.
10. 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.
11. Prior to the construction of any permitted future areas shown on the approved plans, the
permittee shall submit final site layout and grading plans to the Division for approval.
12. A copy of the approved plans and specifications shall be maintained on file by the
Permittee at all times. At the time the permit is transferred to a new owner, the permittee
shall forward the approved plans to the new owner.
13. 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.
III. GENERAL CONDITIONS
1. 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
completed Name/Ownership Change Form signed by both parties, 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 such time as
the Division approves the transfer request.
3. 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.
4. 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.
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 this Division, such as the construction of additional or
replacement stormwater management systems.
Page 4 of 7

State Stormwater Management Systems
Permit No. SW8 970521 REN
6. 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.
7. The permit remains in force and effect until modified, revoked, terminated or renewed.
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 stormwater control
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 permittee shall notify the Division of any name, ownership or mailing address
changes at least 30 days prior to making such changes.
11. The permittee shall submit a permit renewal request at least 180 days prior to the
expiration date of this permit. The renewal request must include the appropriate
documentation and the processing fee.
Permit issued this the twenty-fourth day of July 2008.
NORT ROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
,a A07 r/0')
for Coleen H. ullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7

State Stormwater Management Systems
Permit No. SW8 970521 REN
Mill Creek Apartments Phase II
Stormwater Permit No. SW8 970521 Renewal
New Hanover Countv
Desioner's Certification
1, , 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 is included in the Certification.
Noted deviations from approved plans and specifications:
SEAL
Signature
Registration Number
Date
Page 6 of 7

State Stormwater Management Systems
Permit No. SW8 970521 REN
Certification Requirements:
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 outlet structure elevations are per the approved plan.
6. The outlet structure is located per the approved plans.
7. Trash rack is provided on the outlet 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.
i 1. The permitted amounts of surface area and/or volume have been provided.
12. Required drawdown devices are correctly sized and located per the approved
plans.
13. All required design depths are provided.
14. All required parts of the system are provided, such as a vegetated shelf, and a
forebay.
15. The required system dimensions are provided per the approved plans.
16. All components of the stormwater BMP are located in either recorded common
areas, or recorded easements.
cc: NCDENR-DWQ Regional Office
New Hanover County Building Inspections
Page 7 of 7

OC�QF W ArCRQG lvlichacl F Easley Governor
William G Ross Jr Secrci� ttry
North Carolina DLpartrnent of Environment and Natural Resources
p -5 Coiccn H Sullins Director
Division or Water Quaiiq
SURFACE WATER PROTECTION SECTION
COASTAL STORMINATCR PERMIT RENEWAL APPLICATION FORM
I. CURRENT PERMIT INFORMATION: -
1. Stormwater Management Permit Number: SW8 permit number 47oSa
2• Permit Holder's name: �N L
pan comy partnershl .�perallon l.l.C,or lndividu 1)
3. Signing official's name&�fg�pS � Titre: V,tG _�2�z�ID C1�3�
(person legally responsible for permit)
4. Mailing address:4O© C S r- c-AA q 5?"6t _City: t c t"i'1 or-,ID
•Stater ZipGode.23; �Phone%. S o-Lb91 FAX:19©'-1 d b-3-5
(Area Code and Number) (Area Cade and Number)
G. Project Narne: �r C( �E>}( pf^I A$.F3_
6 Location of Project: (street address) -L CM.). ±'
7 Directions to Project(from nearest major intersection) R hh1D PA9K%wAY I LIN�
II. PERMIT INFORMATION.
1 Specify the type of Stormwater treatment (wel pond intiitralion etc):-
2. List any changes(from project that was originally approved attach addlional pages if needed)
3 Do you have a copy of the original Operation and Maintenance Agreernent?❑Y ON
Applica
(n
''t
t''s Certification-
certify�print�►,J o�3 �ist6
that the information included on this
permit renewal li a �the6`stofy knowiedge., correct and complete.
Date: I a
Signature:
Submit this complet rm along with an, application fee of $420.00 and a copy of the
designer's certification to the address listed below. ;�i�iaCsm nu
��atirrn���/
Nurtrr Carolina Division of-Water Quttlily 127 Cardinal Drive Extension Wilmington•NC 2&105 Fax (9 00 —7215 Customer
sto er Service
Wilmington Regional Of vC Internal: Www11CMIC lualil)0 })S0
An Equal opporiunitylAfrmallve Action Empioyer-50%Recycled/10°!.noel consumer Paper

OF W A A fvliohacl F.lade) Governor
0 � William G.Russ Jr..Secretary
61
D North Carolina Departn+ent of Environment and Naturai'Resaurces
4 Y Coleen H Sullins,Director
Division of Wafer Quality
WATER QUALITY SECTION .
COASTAL STORMWATER PERMIT NAME/OWNERSHIP CHANGE FORM
1. CURRENT PERMIT INFORMATION:;
1. Stormwater Management Permit Number: 5 C)S Z-1.
2. Permit folder's name:, 4�Z O o r-f-In
3. Signing official's name: Gre o Title: lS!�'3rYvl
(person legaIV4esponliblp for pe '
4. - Mailing address: 16 T f>; City: C-A ImNC_
State:q A ZipCode:Z.32 Phone: FAX:
(Area Code and Nv+nber) (Area Code and Number
11. NEW OWNER 1 PROJECT l ADDRESS INFORMATION
1. This request is for: (please check all that apply)
a. Change in ownership of the property/company (Please complete Items#2,
#3, and#4 below)
b. Name change of project; (Please complete Item 95 below)
C. Mailing address changO. (Please complete Item #4 below).
d, Other (please explain): _
2. New owner's name to be put on permit:
3. New.owner's signing official's name and title:
. (Titre)
4. New Mailing Address:Ai®o -C G�;T� City: 1C. m c-�1n1 D
StateVA ZipCode:Z'�Z1'� Phor e:tcAi,
(Area Code and Number) (Area Code and Ndmbar)
5 New Project Name to be placed on permit: Sf� l✓
Page 1 of 2
1Va�t��tthCaro rna
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North Carolina Division of Water Quality 127 Cardinal Drive Exicusiyn Wilmington.NC 23405 Phone[phone] Customer Servicc
Wilmington Regional Office Interact; mrwnc%valeravnliMjR.Z fax [phone]
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Project Name: MILLI. COOK ?VA"6
Sformwatet•Permit No: S%V
Designer's Certification
I, M w a a duly
Re istered Pr•ofbssional Engineer in the State of North Carolina,having been authorized to observe
eriodicall weekly/fitll'time)
the construction of the project, (a'e. '%, e
clr roc r e�_Zr-3 '�o Ed��55(�r� �q c. (��c,
HILL eREet[ P14me (Project)
fbr• U Qv- (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 cot, MI
intent of the approved plans and specifications_ =y` N1 CA/�j�O
OFESS&O
Signature
Registration Number y 7 tf 9742 r
Dale 1/7,//0 - �� FNGINe 0\
Certification Requirements: %
1 The drainage area to die system contains approximately the petmitted act-cage.
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 outlet/bypass structure elevations ate per the approved plan.
G The outlet structure is located per the approved plans.
7.T rash rack is provided on the outlet/bypass structure.
All slopes are grassed with permanent vegetation
_9 Vegetated slopes ate no steeper than 3:1.
_)e_IOThe inlets are located per-the approved plans and do not cause shott-circuiting of the system
_W I 1 The permitted amounts of surface area and/or-voltnne have been provided.
N 12 1Zequired diawdown devices are correctly sized per the approved plans.
X 13.All required design depths are provided.
_3_14 All required parts of the system are provided,such as a vegetated shelf,and a fbrebay
�15.The required system dirnensions are provided per the approved plans. 4

State Stormwater Management Systems
Permit number SW8
WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT.
The wet detention basin system is defined as the wet detention basin and inlet piping, pretreatment including
forebays-and the vegetated filter where provided, and outlet pipe where discharging to infiltration basin or
other stormwater system.
Maintenance activities shall be performed as follows:
1' After every significant runoff producing rainfall event and at least monthly:
a inspect the wet detention basin system for Aediment accumulation, erosion, trash accumulation,
vegetated cover, and general condition,
b Check and clear the orifice[or other inletloutlet pipe where applicable] of any obstructions such that
drawdown of the pond occurs as designed. i
2 Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow
vegetative cover to maintain a maximum height;of six inches, and remove trash as needed
3. Inspect and repair the collection system (i e, catch basins,piping, swales, riprap, etc.) guarterly to
maintain proper functioning. Clear discharge piping.of sediment or other build up to ensure the pond
empties.as designed
4. Remove accumulated sediment from the wet detention basin system semi-annually or when depth is
reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed
of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality.
(Le stockpiling near a wet detention basin or stream, etc.) Do not allow the sediment build-up to exceed
the level of discharge pipe to the infiltration basin.
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__JAI feet in the main pond, the sediment shall be removed
When the permanent pool depth reads j' I S feet in the forebay[and micro-pool],the sediment shall
be removed [where applicable]
BASIN DIAGRAM Pomp �a
(fill in the blanks) aV .
N p 1'6 'LS.
S' Permanent Pool Elevation
Sediment moval El_ 76% �IptyD AI}1' ,51
__-_-_ Se invent Removal Elevation
Bottom E nation � 5% ----- �___..__------..--------------------.._�___--_ �k • k 1
0
PCH�h�b �Z Pohl i��y 11�
Poky(�"� -L LI FOREB". MAIN POND.
17
5 Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface These
plants shall be encouraged to grow along the vegetated shelf and forebay berm where applicable. -
Page I of 2

State Stormwater Management Systems
Permit number SVV8
6; If the basin must be drained for an emergency or to perform.maintenance, the flushing of sediment
through the emergency drain shall be minimized to the maximum extent praCtical
7 All components of the wet detention basin syste;rn shall be maintained in good working order
8. Remove all trees and heavy-woody vegetation from the basins and dike walls (sideslopes)
I acknowledge and agree by my signature below that I'am responsible for the performance of the eight
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. °
Print name: o G L A-.C, IF 'a:'rz
TitEe - V t L (212 fL
Address: Zf'0O Fas-T, c!AQ " ST IEFT LScHIlQWQ VA azzL I
Phone;. 0---2 (oq
Date: "
Note: The legally responsible party should not be 61 homeowners association unless more than 50% of the
lots have been sold.and a resident of the subdivision has been named the president.
1, �( -, a Notary Public for the State of�t r
V y of RI cArn oh `r; do hereby certiry that �_ auG�� & �J
personally appeared before me this day offT in IIA7 Dd g , and acknowledge the due
execution of the forgoing wet[wetland] detention basin maintenance requirements Witness my.hand and
official seal,
f �f
=© or �: I
:U
SEAL
My commission expires 9-36 IC) AeIA 31_3S'
File-\wqs%stormwaterlpat'sinspectloendmwet basin doc
F age 2 of'2

f/jam
Project Name:
5fontiwater Permit No: - S L V
Designer's Clter.r1111cation
-a I,-� nd.—b AQ :1�@M ,as a duly
Re i t d Professional Engineer in the State of North Carolina,having been authorized to observe
er•iodicall weekly/full•time) - c�!
the construction oftlte pro f- �ject, (a yr Pi et iF� `�' ° `5"
(Project)
fbr• U Gg- (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 con �jpititlfii
intent ofthe.approvedplans and specifications- - 1%A OA4,
O Q� /O ,y
Signature rLr Z 4 Sea
4 $F&
Registration Number q 7 tf - 19742
• Date
/L/ p 8 �� GINS-,
%��rp�rrnr
41
Certification Requirements:
1 ;he drainage area to the system contains approximately Vim per mitred acxeage.
_2 The diainkge area to die system contains no mare than the pprnnitted aurount of built-upon area
3 All the built-upon area associated with the project is graded such that the rttnof chains to the
systein
4 All roof drains are located such that the runoffis directed into the system.
5.The outlei/bypass structure elevations are per the approved plan.
6 The outlet stitictute is located per the approved plans.
7.1 rods rack is provided on the outlet/bypass structure..
_)�—g All slopes are grassed with permanent vegetation
_9 Vegetated slopes ate no steeper than 3:1.
IOThe inlets are located per-the approved plans and do not cause short-circuiting of the system
^ ace area and/or volume have been provided.
I I The permitted amounts of surf
X 12 Required diawdown devices are correctly sized per the approved plans.
A 13.All required design depths are provided.
__;[J14 All required parts ofthe system are provided,such as a vegetated shelf,and a fotebay
15.The required system dimensions are provided per the approved plans.