20051882 Ver 4_More Info Letter_20070626

p~pF W A TFgpG Michael F. Easley, Governor
~ William G. Ross Jr., Secretary
~ r}'-- North Cazolina Department of Environment and Natural Resources
~ ~
p ~ Coleen H. Sullins, Director
Division of Water Quality
June 26, 2007
DWQ EXP No. OS-1882v2
Wake County
CERTIFIED MAIL: RETURN RECEII'T REQUESTED
Centex Homes
Attn: Mr. Tim Carpenter, Director of Land Development
2301 Sugar Bush Road, Suite 400
Raleigh, NC 27612
Subject Property: Highland Creek Subdivision-Phases II & IV
REQUEST FOR MORE INFORMATION-EXPRESS REVIEW PROGRAM
Dear Mr. Carpenter:
On June 26, 2007, the Express Review Program of the Division of Water Quality (DWQ) received your
stormwater management plan application for the above referenced project. The DWQ has determined
that your application is incomplete and will require additional information.
Please provide the following information so that we may continue to review your project and prevent
denial of your application as required by 15A NCAC 2H .0506:
1. The applicant must provide an original signature; photocopies are not acceptable.
2. Section VI. Submittal Requirements: this portion was left uncompleted.
3. Section VII. Agent Authorization: this portion was left uncompleted.
4. Section. VIII. Applicant's Certification: this portion was not signed or dated.
5. Please indicate which NC DENR Stormwater BMP Manual you are referencing.
6. 401 Extended Detention Wetland Worksheets-Required Items Checklist:
a. Please explain your plan for sediment disposal.
b. Please explain why you crossed out and did not initial the item referring to access for
maintenance.
c. Please explain how maintenance will be performed, how access will be obtained, and
how sediment from all stormwater BMPs will be disposed o£ This will require a
site-specific operation and maintenance agreement.
7. SWMF #2:
a. Please redesign to maximize the distance between inlet and outlet.
b. The temporary pool volume appears to be approximately 4000 cu ft. smaller than the
required volume.
8. SWMF #7:
a. The temporary pool volume is significantly less than what DWQ calculates.
9. SWMF #10:
a. You have indicated two inlets with an outlet approximately halfway in-between.
Please redesign to maximize the treatment volume.
b. The temporary pool volume is significantly less than what DWQ has calculated.
N°1e Carolina
401 Oversight I Express Review Permitting Unft ~~ura~~y
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] FAX [phone] Internet: htto://h2o.enr.state.nc.us/ncwetlands
An Equal OpportunitylAffirmativeAaion Employer- 50% Recycled110% Post Consumer Paper

Highland Creek Subdivision Phases II & IV Stormwater Management Plan
Page 2 of 2
June 26, 2007
10. Stormwater Wetland Landscape Plans:
a. Maintenance Notes: Since the purpose of the extended detention wetlands is to
reduce nutrients in the watershed, DWQ will allow aone-time application of
fertilizer. However, your plans seem to indicate on-going semi-annual applications.
b. Please include instructions for planting wetland plants.
Please respond within five (5) days of the date of this letter by sending two (2) copies of the above
information in writing. The Express Review Program is a process that requires all parties to participate in a
timely manner.
This letter only addresses the application review and does not authorize any impacts to wetlands, waters
or protected buffers. Please be aware that any impacts requested within your application are not
authorized (at this time) by the DWQ.
Please contact Lia Myott or Cynthia Van Der Wiele at [phone] if you have any questions
regarding or would like to set up a meeting to discuss this matter.
Sincerely,
Cyndi Karoly, Supervisor
401 Oversight/Express Review Permitting Unit
CBK/cvdw
cc: USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
File Copy
Central Files
George Buchholz, John R. McAdams Company, 2905 Meridian Pkwy., Durham, NC 27713