20081121 Ver 2_Stormwater Approval_20120910

Ate.
North Carolina Department of Environment and Natural Resources
Beverly Eaves Perdue
Governor
Mr. Gary White
Diamond W. Builders LLC
9814 US Highway 311
Archdale, NC 27263
Division of Water Quality
Charles Wakild, P. E.
Director
September 10, 2012
Subject Property: Diamonds Keep Subdivision
Dee Freeman
Secretary
DWQ Project # 08 -1121
Randolph County
APPROVAL OF MODIFIED STORMWATER MANAGEMENT PLAN
Dear Mr. White:
On March 15, 2010, the Division of Water Quality (DWQ) issued a 401 Water Quality Certification to
impact 138 linear feet of Caraway Creek and 0.493 acres of riparian wetlands in order to construct
Diamonds Keep Subdivision. Condition 3 of the Water Quality Certification requires you to implement
the Stormwater Management Plan that was approved in conjunction with the Water Quality Certification.
On July 31, 2012, the DWQ received a revised stormwater management plan (dated July 24, 2012) for
Diamonds Keep Subdivision from your consultant, Mr. H. Mack Summey, P.E. The purpose of the
requested revision is to modify Wet Detention Ponds 1 and 2 to make them more economical while still
meeting state standards.
The DWQ approves the revised stormwater management plan as satisfying Condition 3 of the General
Water Quality Certification. This approval is for the purpose and design that you described in your
application. if you change your project, you must notify us and you may be required to send us a new
SMP. This approval requires to you follow the conditions listed in the General Water Quality
Certification for the project and the following additional conditions listed below:
1. The emergency spillways for Wet Detention Ponds 1 and 2 must be hardened with riprap,
concrete or other durable material.
1617 Mall Service Center, Raleigh, North Carolina 27699 -1617
Location- 512 N Salisbury St Raleigh, North Carolina 27604
Phone, 919 -807 -63001 FAX 919 - 807 -6492
Internet www ncwaterguality org
An Equal Opportunity 1 Affirmative Action Employer
NorthCarolina
NatuA911Y

Mr. Gary White
September 10, 2012
Page 2 of 2
2. The modified SMP approved by the DWQ consists of the Wet Detention Ponds 1 and 2 as well as
all associated stormwater conveyances, inlet and outlet strictures, and the grading and drainage
patterns depicted on the approved plan sheets (except for the modification in Item 1 above). The
plans and specifications for the remainder of Diamonds Keep Subdivision are incorporated by
reference this approval and are enforceable by the DWQ provided however that any modification
of the design for the stormwater management system that is accepted by the DWQ shall take
precedence over the original plans and specifications.
3. The footprint of all stormwater management devices as well as an additional ten (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.
4. Maintenance activities for the BMPs shall be performed in accordance with the notarized O &M
agreements. The O &M agreement must transfer with the sale of the land or transfer of
ownership /responsibility for the BMP facility. The DWQ must be notified promptly of every
transfer.
5. The applicant and/or authorized agent shall provide a completed Certificate of Completion form
to the DWQ within thirty (30) days of project completion (available at
http://portal.ncdenr.orp,/web/wq/swp/ws/40 I/certsandpermits/apply/forms).
Thank you for your attention to this matter. If you have any questions or wish to discuss these matters
further, please do not hesitate to contact me at (919) 807 -6381.
Sincerely,
Annette Lucas, P.E.
Wetlands, Buffers and Stormwater Compliance and
Permitting (Webscape) Unit
AML /aml
Cc: USACE, Raleigh
Sue Homewood, DWQ Winston -Salem Regional Office
H. Mack Summey, P.E., P.O. Box 968, Asheboro, NC 27204
File Copy
Filename: 081121 v2DiamondsKeepSD (Randolph)_SW_Mod_Approve docx