20070245 Ver 2_Modifications_20080206

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February 6, 2008
Ms. Cyndi Karoly
401 Oversight/Express Permitting Unit
NC Division of Water Quality
1650 Mail Service Center
Raleigh, North Carolina 27699-1650
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WETLANDS ANO STORh1WATER BRANCH
Re: DWQ #20070245; USACE Action ID 2007-00286-067
Issuance of a Department of the Army Permit for wetland fill associated with the construction of
the Marine Special Operations Command Complex (MARSOC) located in the former Stone Bay
Rifle Range Area, Camp Lejeune, Onslow County, North Carolina.
Subject: Phase 1 -Headquarters Building and Phase 2 -Road Relocation
Dear Ms. Karoly:
Please find enclosed two (2) copies of the final impact plans for Phase 1 -Headquarters Building, and
Phase 2 -Road Relocation that were submitted to the US Army Corps of Engineers (USACE) to obtain a
Individual Department of the Army Permit to allow impacts to wetlands and streams associated with the
construction of the Marine Special Operations Command Complex (MARSOC) at Camp Lejeune,
Onslow County, North Carolina. Future phases include the FY2007 phase and FY2008 phase, which are
currently in preliminary design. Wetland and stream impacts by construction phase are listed in Table 1,
below.
To compensate for unavoidable impacts to wetlands and streams, the Marine Corps is proposing to
perchance credits from the GRSA Mitigation Bank located at Camp Lejeune, pay into the NC Ecosystem
Enhancement Program's (NCEEP) In-Lieu Fee fund, and restore wetlands and streams on-site at Camp
Lejeune. The proposed mitigation ratios and total compensatory amounts are listed in Table 2. Table 3
and Table 4 present how the compensatory mitigation will be applied, by construction phase and by
wetland and stream type, respectively. In their letter, dated October 3, 2007, the NCEEP has agreed to
accept payment for riparian wetland and stream impacts (enclosed).
Per the request of the USAGE, the Marine Corps has identified two on-site restoration sites that would be
used to off-set wetland and stream impacts. Two (2) copies of a Draft Concept restoration design are
enclosed for your review. A narrative of the on-site mitigation is presented, below.
We would appreciate you reviewing this package for an Individual Water Quality Certification. Please
call me at [phone], or email me at Charles benton(a~urscorp.com, if you should have any questions
regarding this submittal.
Sincerely,
URS Corporation -North Carolina
-~ _
rles E. Benton, W S
URS Corporation -North Carolina
1600 Perimeter Park Drive, Suite 400
Morrisville, NC 27560
Tel: [phone]
Fax: [phone]
www.urscorp.com

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Senior Environmental Scientist
CEB/cb
Enclosures
cc: Mr. Brad Shaver, USAGE-Wilmington Regulatory Field Office w/o enclosures
Mr. Martin Korenek, Environmental Management Dept., Camp Lejeune w/o enclosures
Mr. Bristol Reynolds, Whiting-Turner Contracting Co. w/o enclosures
Mr. Robert Marszalkowski, URS Group, Inc., Virginia Beach, VA w/o enclosures
Mr. Will Breeden, URS Group, Inc., Wilmington, NC w/o enclosures
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TahlP 1 WPtlanrl and Stream imnacts by ProieCt Phase
Non-Riparian Wetland
Acres) Riparian Wetlands
Acres) Intermittent Stream
Linear Feet Perennial Stream
Linear Feet
Head uarters HQ) 2.53 0.00 514 0
Road Relocation 0.00 0.14 90 0
FY 2007 Totals (Excluding HQ
and Road Relocation *
0.36
0.004
715
0
FY 2008 Totals* 2.26 0.81 696 0
Total 5.15 0.954 2015 0
* Project impacts totals are based on preliminary plans.
Tahle 2_ (mm~ensatorv Mitigation by Proiect Phase
Non-Riparian Wetland
(Acre-Credits)
1:1.5 RATIO) Riparian Wetland
(Acre-Credits)
1:1 RATIO Intermittent Stream
(Linear Feet-Credits
1:1 RATIO Perennial Stream
(Linear Feet-Credits)
1:1 RATIO
Head uarters HQ) 3.80 0.00 514 N/A
Road Relocation 0.00 0.14 90 N/A
FY 2007 Totals (Excluding HQ
and Road Relocation *
0.54
0.004
715
N/A
FY 2008 Totals* 3.39 0.81 696 N/A
Total 7.73 0.954 2015 N/A
* Project compensatory mitigation totals are based on preliminary plans.
Tahle 3_ Pronnsed Comnensatorv Mitigation Anblication by Proiect Phase
Non-Riparian Wetland Riparian Wetland Intermittent Stream Perennial Stream
Acre-Credits Acre-Credits (Linear Feet-Credits Linear Feet-Credits
3.80 (GS12A Mitigation
Head uarters HQ) Bank N/A 514 EEP Fund N/A
0.14 (On-Site
Road Relocation N/A Miti ation 90 On-Site Miti ation N/A
FY 2007 Totals (Excluding HQ 0.54 (GS1tA Mitigation 0.014 (On-site 197 (On-site Mitigation)
and Road Relocation * Bank Miti ation and 518 EEP Fund N/A
3.39 (GSItA Mitigation 0.81 (On-site 696 (On-site Mitigation
FY 2008 Totals* Bank Miti ation and EEP Fund N/A
Total 7.73 0.954 2015 N/A
* Project compensatory mitigation totals are based on preliminary plans.
Tahle 4. Proposed Comnensatorv Mitigation Auplication by Wetland and Stream Type
Non-Riparian Wetland
Acre-Credits Riparian Wetland
Acre-Credits Intermittent Stream
(Linear Feet-Credits Perennial Stream
Linear Feet-Credits
GSRA Miti ation Bank 7.73 0.00 0 N/A
EEP Fund 0.00 0.00 1728 N/A
On-Site Miti ation 0.00 0.96 287 N/A
Total 7.73 0.96 2015 N/A
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On-Site Mitigation Plan
The Marine Corps are proposing to construct and operate the Marine Special Operations Command
(MARSOC) complex, to maintain and enhance the combat readiness of the Marine forces stationed at
Camp Lejuene. Construction of MARSOC complex would unavoidable impact riparian and non-riparian
wetlands and streams. As part of their overall compensatory mitigation plan, the Marine Corps is
proposing to restore 1.5 acres of riparian forested wetlands and 287 linear feet of intermittent streams
within Camp Lejeune by removing existing culverts and upland fill.
Two potential on-site wetland restoration area were identified using aerial photos, land use information,
and through discussions with the US Army Corps of Engineers (USAGE). The two proposed wetland
restoration sites are located within aone-mile radius of the proposed MARSOC complex. The 8-digit US
Geological Survey (USGS) Hydrologic Unit Code for the restoration sites project is 03030001- New
River watershed (NC Subbasin 03-OS-02). The proposed sites can be found on the USGS Sneads Ferry,
NC 7.5 minute USGS topographic map (see attached map). The coordinates for the two restoration sites
are 34.5782°N, -77.4476°W and 34.5869°N, -77.4433°W, respectively. Both sites are located in a mixed
hardwood-pine forest in the coastal plain. Both sites contain culverts that cross palustrine forested
wetlands (PFO1/4A) and intermittent streams. Dominant canopy species in the wetland areas included
red maple (Ater rubrum) and American elm (Ulmus Americana).
The goal of the proposed project is to provide compensatory on-site and in-kind mitigation to off-set
unavoidable wetland and stream impacts by the proposed MARSOC complex. The selected sites will
provide a similar hydrologic regime, comparable soils, and similar vegetative communities as the
impacted wetlands.
The proposed restoration plan would remove existing fill and culverts to create a landscape that re-
establishes the upstream and downstream contours to their pre-culvert condition. The upstream and
downstream conditions were surveyed, and the elevation and vegetation information from these wetlands
were referenced for the proposed restoration design. The primary hydrologic input to the sites will be
from the groundwater input, with a lesser amount from overland surface flow. Groundwater hydrology
was observed to support wetland communities adjacent to the restoration sites between 5 and 7 feet above
mean sea level.
The grading plan has been designed to be a persistent, self-maintaining system. The excavation would be
concentrated within the existing fill areas of the sites. All excavated material will be disposed of at an
appropriate off-site location; no on-site soil stock piles are anticipated. The planting plan for this project
is based on native vegetation that can be found in the adjacent wetland areas. No soil amendments are
anticipated.
The proposed restoration activities would occur prior to the wetland impacts for which they would be
compensating. The sites will be protected in perpetuity. Concrete posts will be placed along the wetland
perimeter on the roads leading to the two sites to prevent vehicles from driving within these restored
areas.
Monitoring of the two wetland areas will consist of conducting as-built surveys to confirm that the
elevations were constructed according to design. In addition, the success of the vegetation within the
restored wetland areas will be evaluated after the first growing season. The as-built surveys and photo
documentation of the first growing season will be provided to the USAGE for their use. It is anticipated
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that within five years the two wetland restoration sites will meet the wetland criteria set forth in the 1987
USACE Wetland Delineation Manual. Corrective actions will be taken should the wetland restoration
areas fail to meet the wetland criteria.
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Approximate Location of
MARSOC Project
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Marine Corps W
Approximate Location of
pecial Operations Command Restoration Sites
(MARSOC) o 0.25 0.5 ~
Miles
On-Site Restoration Sites
Date: February 1, 2008 USGS 7.5 minute topographic map -
Sneads Ferry quadrangle USACE Action ID: 2007-00286-067
DWQ # 20070245