20081464 Ver 2_Modifications_20091118

CAROLINA
ECOSYSTEMS, Inc.
8208 Brian Ct.; Garner, NC 27529
P:919-606-1065 - F:919-341-4474
November 13, 2009
Ms. Tasha Alexander
Asheville Regulatory Field Office
U.S. Army Corps of Engineers
151 Patton Avenue
Room 208
Asheville, North Carolina 28801-5006
RE: Modification Request
Nationwide Permit 39 Pre-Construction Notification
Avery County Landfill Expansion
Newland, North Carolina
Dear Ms. Alexander;
1i @ [ROW[AM
NOV 1 3 2009
DENR . WATER O!JAL'TY
WETLANDS AND STORMWATER BRANCH
The purpose of this letter is to request a minor modification of the existing Clean Water Act
Section 404 Nationwide Permit (NWP) for the Avery County Landfill expansion (USAGE
Action ID 2008-03130, DWQ No. 08-1464). As discussed via phone and email correspondence,
the proposed changes to the mitigation plan are provided in this letter and on the attached plan
sheet. We have included the original mitigation plan sheet as well as the revised plan sheet for
comparison purposes. No other changes are proposed to the original permit application.
During the final design and permitting of this project through the NC Division of Waste
Management that has occurred in the time since the NWP was issued, there has been a change in
the area of waste removal that was required to take place for compliance with solid waste rules.
The original proposed buffer restoration was to occur in areas where waste was historically
placed beyond permitted boundaries. As can be seen on the attached drawing, there is a
reduction in waste removal (and therefore buffer restoration area) on the west side of the stream
below the landfill expansion, as the waste in that area was not required to be relocated.
In order to not significantly decrease buffer restoration proposed in the NWP and trout buffer
variance, we are proposing to daylight another small existing stream crossing upstream of the
one in the original application and restore the buffer in that area instead. This would serve three
purposes:
• Provide similar buffer restoration to what was originally proposed: An overall change
from 0.74 to 0.72 acres
• Provide an additional 40 feet of stream daylighting/restoration: An overall change from
40 to 80 linear feet
• Enhance stormwater/erosion control on the site by eliminating a potential erosion
location at the additional stream crossing.
Ms. Tasha Alexander
November 13, 2009
Page 2 of 2
Based on the 404 and 401 approvals for this project, this change is not decreasing any mitigation
component as the buffer restoration was not specifically called out as mitigation. The only
change to mitigation would be an increase in the stream daylighting footage and location.
As discussed previously, in order to complete this work an extension of the mitigation schedule
through May 30, 2010 is also requested. This extension is necessary due to the time needed to
require other pertinent permits this year, and the lack of adequate and predictable planting
conditions in the winter months in Avery County.
We would appreciate your consideration of this information during the review of this request.
Please contact me at 919-606-1065 or hip 'l.may carolinaeco.com if you have any questions or
require further information.
Sincerely,
Carolina Ecos stems, Inc.
Philip ay
Senior Environmental Scientist
Cc: Stacey Smith, P.E., Richardson, Smith, Gardner & Associates, Inc.
Buddy Norris, Avery County Solid Waste Director
Linda Wiggs, NCDWQ Asheville Regional Office
Ian McMillan, NCDWQ 401 Permitting Unit
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