20200253 Ver 1_More Info Requested_20200401

ROY COOPER
Governor
MICHAEL S. RECAN
Sec°relary
S. DANIEL SMITH
Director
NORTH', CAROLINA
Environmental Quafrty
April 1, 2020
DWR # 20200253
Wake County
Mattamy Homes
Attn: Mr. Robert Bailey
1210 Trinity Rd, Suite 102
Cary, NC 27513
Subject: REQUEST FOR ADDITIONAL INFORMATION
Magnolia Park Subdivision
Dear Mr. Bailey:
On February 18, 2020, the Division of Water Resources — Water Quality Programs (Division) received
your application dated February 14, 2020, requesting a 401 Water Quality Certification and Neuse River
Buffer Authorization from the Division for your project. The Division has determined that your
application is incomplete and cannot be processed. The application is on -hold until all of the following
information is received:
For impact #1: Please provide cross section details showing the provisions for aquatic life
passage. [15A NCAC 02H .0506(b)(2)]
2. For impact #1: Per GC4139, all work must be done "in the dry". Therefore, dewatering methods
will be necessary to temporarily dewater the stream channel during pipe installation. Please
provide a construction sequence that details the method of dewatering to be utilized at the site
and the sequence of construction events to be followed to ensure compliance with this
condition. In addition, please ensure that the location of the temporary impacts are shown on
the construction drawings and clearly indicated in the revised impact table. [15A NCAC 02H
.0502(b)(3)]
At multiple locations throughout the project, the impact plan sheets do not match the grading
plan sheets provided. For instance, it appears that Impacts #1 and #2 are switched between the
two sets of plans as to which one is a temporary utility crossing and which is a permanent
greenway crossing. Impacts 8 and portions of impact 9, impacts 12-14 appear to not be
necessary in accordance with the grading plans. However Sheet C4.4 of the grading plans show
multiple impacts to streams, wetlands and buffers from the Greenway alignment which are not
incorporated into the impact tables or sheets. Please re -review all documents and ensure they
are accurate, that they match, and submit updated PCN tables, impact sheets and grading
sheets as necessary. [15A NCAC 02H .0506(b)(2)]
North Carolina Department of EnvironmentA Quaiit:y I Division of Water Resources
�^ Winston Salem Regional, Office 1450 West Planes Mill Road, Suite 300 1 Winston Salem, North Carolina 27105
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Mattamy Homes
DWR# 20200253
Request for Additional Information
Page 2 of 2
4. Please note that Impact #5 will be considered as a stormwater outfall under the Neuse Buffer
Rules Table of Uses, rather than as a stormwater control measure. [15A NCAC 02B .0233(9)]
5. Impacts #10 and #11 appears to be within the footprint of the existing pond dam if the grading
sheet is accurate. In this case, the addition of a greenway to the existing dam will not be
considered new buffer impacts as the dam will continue to be exempt as an existing use within
the buffer. [15A NCAC 02B .0233(9)]
Pursuant to Title 15A NCAC 02H .0502(e) and 15A NCAC 02B [Neuse] .0233, the applicant shall furnish all
of the above requested information for the proper consideration of the application. Please respond in
writing within 30 calendar days of receipt of this letter by sending one (1) copy of all of the above
requested information to the 401 & Buffer Permitting Branch, 1617 Mail Service Center, Raleigh, NC
27699-1617 OR by submitting all of the above requested information through this
link: https://edocs.deg.nc.gov/Forms/Supplemental-Information-Form (note the DWR# requested on
the link is referenced above).
If all of the requested information is not received within 30 calendar days of receipt of this letter, the
Division will be unable to approve the application and it will be denied as incomplete. The denial of this
project will necessitate reapplication to the Division for approval, including a complete application
package and the appropriate fee.
Please be aware that you have no authorization under the Water Quality Certification Rules for this
activity and any work done within waters of the state may be a violation of North Carolina General
Statutes and Administrative Code.
Please contact me at 336-776-9693 or [e-mail] if you have any questions or
concerns.
Sincerely,
CDocusiigojjed by:
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Sue Homewood
Winston-Salem Regional Office
cc: Lauren Norris -Heflin, Timmons Group (via email)
James Lastinger, USACE Raleigh Regulatory Field Office (via email)
DWR WSRO 401 files
DWR 401 & Buffer Permitting Unit