20061804 Ver 11_Stormwater Approval_20150819

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NCDENR
North Carolina Department mfEnvironment and NatUra|Recources
Pat McCrory
bQVeFDO[
August 19, 2015
RivprdeHQarnpany
Attn: Ms. Rebecca Flowers
48QON[ Highway 4ZEast
Clayton, NC 27527
Subject Property: The Village at Flowers Plantation — POD NE-12
UT to Mill Creek [030402, 27-39, WS-IV, NSWI
APPROVAL OF STORMWATER MANAGEMENT PLAN
Dear Ms. Flowers:
Donald R. van der Va@rt
Secretaiiy
Johnston County
On February 22,2O13,the Division of Water Resources (DVVR)issued a401 Water Quality Certification
and Authorization Certificate per the Neuse River Buffer Protection Rules (15A NCAC 2B .0233) to place
fill within or otherwise impact the following:
Type ofImpact
404/VVet|ands
Stream — pemnanent
Stream —temporary
Buffer —Zone 1
Buffer — Zone 2
Amount Approved (units)
Q.l22(acre)—permanent
.005/acre>—temporary
1,242(1f) |
]Q,B91(sM
The 401 certification requires that a stormwater management plan (SMP) be developed and approved
for each phase of this project prior to any land disturbance and that no buildings shall be occupied until
the stormwater management plan is constructed and operational for that phase. |t further requires that
all SK4P^5be designed in compliance with the NCDENHStonnwaterRMP Manual in effect at the time mf
submittal. According tothese requirements, a stormvvater management plan for P[JQ ME-12, dated July
28, 2815, was received by this Division on that date and reviewed for compliance.
The D\mR approves the SMP for POD WE-12asmeeting the 4Q1 Water Quality Certification conditions.
This approval is for the purpose and design that you described in your application. |f you change your
project, you must notify ws and you may berequired to send us a new SMP. This approval requires that
you follow the conditions listed in the Water Quality Certification for the project and the following
additional conditions listed below:
Division of Water Resources -4O1& Buffer Permitting Unit
1617 Mail Service Center, Raleigh, North Carolina 27GS81817
Location: 512N Salisbury St. Raleigh, North Carolina 27604
Phone: O1D-8D7-630N\ FAX: O19-8O7-64S4
Internet: www.ncwaterquality.org

Ms, Rebecca Flowers
Stnnm*mtmr Plan Approval
06-1804 v11
Page 2oo2
The SMP approved by the DVVR consists of one (1) grassed bioretentipn cell and all associated
stonnvvater conveyances, inlet and outlet strictures, and the grading and drainage patterns
depicted on plan sheets dated May 15,2O15. The plans and specifications for POD NE-l2
approved b9DVWR are incorporated by reference into this approval and are enforceable bvDVVR,
provided however that any modification of the design for the bioretention cell that is accepted
byDVVR shall take precedence over the original plans and specifications.
The maximum allowable drainage area for the approved Nuretentkon cell shall be456,383
square feet and the maximum allowable built-upon area within that drainage area shall be
247,69O square feet. The additional impervious areas shown on the May 15,2O15 plan sheets,
that are outside of the 1O.48 acre area served bv the biorotent|on cell, are also approved
provided that the built-upon area does not exceed 2496and the stonnvvater drains across
grassed surfaces in a diffuse manner before reaching the buffer and adjacent streams. No piped
conveyances of stormwater from roof drainage shall be allowed.
The footprint of the bioretention cell as well as an additional 10-foot wide area on all sides of
the device shall be located inpublic ' hts+zf-vway dedicated common areas mrrecorded
easement areas. The final plats for the project showing all such rights-of-way, common areas
and easement areas shall bein accordance with the approved plans,
4. Maintenance activities for the bioretention cell shall be performed in accordance with the
notarized O&M agreements signed bv you um July 24,2O15. The O&M agreement must transfer
with the sale of the land or transfer of ownership/responsibility for the BMP facility. DVVRnnust
be notified promptly of every transfer.
S. The applicant and/or authorized agent shall provide a completed Certificate of Completion form
to the OVVRwithin thirty (30) days nf project completion (available at
/svv�/wvs/4Q1/certsaodoermm�ts/ap L
Thank you for providing the appropriate information. If you have any questions orvvbhtudiscussthese
matters further, please do not hesitate to contact me at [phone]
cc: Cheni Smith, DVVR Raleigh Regional Office
DWR Raleigh Regional Office
Mrs. Deborah Shirley, 5&EC,P'4,l1O10 Raven Ridge Road, Raleigh, NC 27614
File Copy
Filename: 061804v11v1ibgeaF|owenplamtation_PODNE-12(Johnstmn)_SW_Appmwe.doc