20061804 Ver 5_Stormwater Approval_20161121

Water Resources
ENVIRONMUNIAL OUAL11 Y
November 21, 2016
Ms. Rebecca Flowers — Owner/Developer
River Dell Company Inc.
4880 NC 42 East
Clayton, North Carolina 27527
PAT MC'CRORY
DONALD R. VAN DFR VAARI
Subject: APPROVAL OF STORMWATER MANAGEMENT PLAN
The Village at Flowers Plantation — POD 9, Phase 4
Dear Ms. Flowers:
S. JAY /INIM ERNIAN
DWR # 06-1804v5
Johnston County
The Division of Water Resources (Division) recently reviewed the proposed stormwater
management plan (SMP) for the subject project as required by 401 Water Quality Certification
approval issued by the Division on November 5, 2008. Submittal of the SMP satisfies Condition
No. 9 of the 401 Certification letter for the subject phase as follows below.
The Division approves the SMP consisting of one grassed bioretention cell and all associated
stormwater conveyances, inlet and outlet structures, and grading and drainage patterns
depicted on design drawings dated September 17, 2016 and sealed by Michael Stocks, PE,
and calculations which are incorporated by reference and are enforceable by the Division.
The following conditions also apply [15A NCAC 02H .0506(b)(5)]:
The maximum allowable drainage area for the bioretention cell shall be 7.07 acres and
the maximum allowable built -upon area within that drainage area shall be 118,000
square feet. Any changes to these maximum areas shall require the applicant to submit
and receive approval for a revised stormwater management plan by the Division. [15A
NCAC 02H .0506(b)(5)]
The footprint of all stormwater management devices as well as an additional 10 -foot
wide area on all sides of the devices shall be located in either: public rights-of-way;
dedicated common areas; or recorded easement areas. The final plats for the project
showing all such rights-of-way, common areas and easement areas shall be in
accordance with the approved plans. [15A NCAC 02H .0506(b)(5)]
The approved SMP shall be constructed and operational before any permanent building
or other structure is occupied at the site. [15A NCAC 02H .0506(b)(5)]
State of North Carolina I Environmental Quality I Water Resources 1401 & Buffer Permitting
1617 Mail service Center I Raleigh. North Carolina 27699-1617
919 707 6300

DWR p 06-1804v5
SMP Approval
Page 2 of 2
The SMP may not be modified without prior written authorization from the Division.
[15A NCAC 02H .0506(b)(5)]
Maintenance activities for the bioretention cell shall be performed in accordance with
the notarized O&M agreements signed by Rebecca Flowers (Owner/Developer) on July
29, 2015. The O&M agreement shall transfer with the sale of the land or transfer of
ownership/responsibility for the BMP facility. The Division shall be notified promptly of
every transfer. [15A NCAC 02H .0506(b)(5)j
The applicant and/or authorized agent shall provide a completed Certificate of
Completion form to the Division within thirty (30) days of project completion (available
at http://portal.ncdenr.org/web/wq/swp/ws/401/`certsandpermits/app(y/forms). [15A
NCAC 02H .0506(b)(5)]
Please contact Cory Larsen, PE at 919-807-6379 or [e-mail] if you have any
questions or concerns.
Sincerely,
Karen Higgins, Supervisor
401 & Buffer Permitting Branch
cc: DWR 401 & Buffer Permitting Branch File
Deborah Shirley— S&EC (8412 Falls of the Neuse Rd, #104, Raleigh NC 27615)
DWR RRO Files
Filename: 20051804v5_SM P_Approva I161121.docx