20050675 Ver 1_More Info Letter_20070502

DF W A r~~ Michael F. Easley, Governor
O~ QG William G. Ross Jr., Secretary
~ r North Carolina Department of Environment and Natural Resources
%' "'i Alan W. Klimek, P.E. Director
Q _ ~ Division of Water Quality
May 2, 2007
DWQ Project # OS-0675
Johnston County
Mr. William R. O'Neal V
5 Nicklaus Way
Clayton, North Carolina 27520
Subject Property: Moss Creek Village, Phases 3 and 4
Clayton, NC
REQUEST FOR MORE INFORMATION: STORMWATER MANAGEMENT PLAN
Dear Mr. O'Neal:
On July 13, 2005, the Division of Water Quality (DWQ) issued a 401 Water Quality Certification to place
fill within or otherwise impact 0.3006 acres of wetlands for the purpose of constructing Moss Creek
Village Phases 3 and 4, as described within your application dated April 19, 2005.
In order to meet Condition 6 of the 401 Certification for this project, a stormwater management plan for
this project was received by the DWQ on March 28, 2007. The DWQ has determined that your
stormwater management plan was incomplete as discussed below.
General Certification 3402 requires that if a development is within a Nutrient Sensitive
Waters (NSW) watershed and has impervious surface that exceeds 30 percent of the
project area, all of the stormwater from the site must be treated by either: an extended
detention wetland, a bioretention area or a wet detention pond followed by a forested
filter strip (with a minimum length of 100 feet). The current stormwater plan shows a
wet detention pond followed by a level spreader and a 50-foot forested filter strip. This
project could be brought into compliance with General Certification 3402 by converting
the wet detention pond to an extended detention wetland.
2. Please move the level spreader so that it is not upslope of the grass bypass channel for the
stormwater BMP.
The DWQ will require the above additional information to finalize review of the stormwater management
plan for the Moss Creek Village Phases 3 and 4. Please provide the following information so that we may
continue to review your project. You are welcome to contact me at [phone] if you have questions
or would like to set up a meeting.
Sincerely,
~~E~ C ~.S
Annette Lucas, Environmental Engineer III
401 OversightlExpress Review Permits Unit
1650 Mail Service Center, Raleigh, Norttr Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] FAX [phone]ntemet: http~llh2o enr state.nc.uslncwetlands
None Carolina
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Moss Creek Phases 3 and 4
Page 2 of 2
May 2, 2007
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cc: USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
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Blackburn Consulting Engineering, 234 E. Main St., Clayton, NC 27520
Filename: 050675MossCreekPhase3-4(Johnston)_Hold_S W