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ENVIRONMENTAL IMPACT STATEMENT
VAUXJf M"CISENT PLAN
NORTH CAROLINA GLOB& TRANBPAW
LE" COUNTY, NORTH CAROLNA
FIGURE:
M
DATE: JAN 97
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
March 8, 2006
Mr. Jerry McCrain
EcoScience
1101 Haynes St. Suite 101
Raleigh, NC 27604
RE: North Carolina Global Transpark, Dover Bay Mitigation Site Craven County, NC (DWQ # 97-0093)
Dear Mr. McCrain:
DWQ received and reviewed the, "Annual Wetland Monitoring Report (Year 1): Dover Bay Wetland Restoration, Craven
County, North Carolina, January 2006." The report seems to demonstrate a second successful year of wetland mitigation.
However, two comments did arise upon review of the document.
1. Please provide the vegetation data for each of the individual plots each year. This will help us identify and
monitor any potential problem areas on the site.
2. Please provide an estimate of the acreage of restored roadbed area that is inundated with water and lacking
vegetation (as depicted in the photograph, "Road A, turn 1, looking West, April 2003" or "Intersection of Road
A and D looking West, August 2004").
We appreciate receipt of the report and look forward to receiving the report over the next three years. If you have any
questions or need further assistance, do not hesitate to contact Amanda Mueller [[phone]] of my office.
Sincerely Yours,
orney
Cc: Scott Jones, ACOE, Washington Regulatory FId Tom Steffens, DWQ Washington Regional OX
Central Files
File Copy
None Crro)jina
til:lllt'lf
401 Oversight/Express Review Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone [phone] / Fax [phone]
Internet: http://www.ncwaterquality.org
An Equal Opportunity/Affirmative Action Employer - 500% Recycled110% Post Consumer Paper
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
March 8, 2006
Mr. Jerry McCrain
EcoScience
1101 Haynes St. Suite 101
Raleigh, NC 27604
RE: North Carolina Global Transpark, Dover Bay Mitigation Site Craven County, NC (DWQ # 97-0093)
Dear Mr. McCrain:
DWQ received and reviewed the, "Annual Wetland Monitoring Report (Year 1): Dover Bay Wetland Restoration, Craven
County, North Carolina, January 2006." The report seems to demonstrate a second successful year of wetland mitigation.
However, two comments did arise upon review of the document.
1. Please provide the vegetation data for each of the individual plots each year. This will help us identify and
monitor any potential problem areas on the site.
2. Please provide an estimate of the acreage of restored roadbed area that is inundated with water and lacking
vegetation (as depicted in the photograph, "Road A, turn 1, looking West, April 2003" or "Intersection of Road
A and D looking West, August 2004").
We appreciate receipt of the report and look forward to receiving the report over the next three years. If you have any
questions or need further assistance, do not hesitate to contact Amanda Mueller [[phone]] of my office.
Sincerely Yours,
John R. Dorney
Cc: Scott Jones, ACOE, Washington Regulatory Field Office
Tom Steffens, DWQ Washington Regional Office
Central Files
File Copy
NorthCarolina
/Naturally
401 Oversight/Express Review Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone [phone] / Fax [phone]
Internet: http://www.ncwaterquality.org
An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper
O?O?-,, W A T??QG
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June 7, 2006
Mr. Jerry McCrain
EcoScience
1101 Haynes St. Suite 101
Raleigh, NC 27604
Michael F_ Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
RE: North Carolina Global Transpark, Dover Bay Mitigation Site Craven County, North
Carolina
Dear Mr. McCrain:
DWQ received and reviewed the edits to the, "Annual Monitoring Report (Year 2): Dover Bay Wetland
Restoration, Craven County, North Carolina, March 2006." We appreciate the edits that were made to
the report to ensure an accurate assessment of the site. The site as a whole meets the vegetation success
criteria, but plots 2 and 3 are currently below 320 trees per acre. DWQ will review the reports over the
next three years and continue to assess the success and health of the vegetation community on site.
We appreciate your rapid response to our comments and look forward to receiving the reports over the
next three years. If you have any questions or need further assistance, do not hesitate to contact Amanda
Mueller [[phone]] of my office.
Sincerely Yours,
John R. Dorney
Cc: Scott Jones, ACOE, Washington Regulatory Field Office
Kyle Barnes, DWQ Washington Regional Office
Central Files
File Copy (c/o Amanda Mueller)
NorthCarolina
Naturally
401 Oversight/Express Review Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone [phone] / Fax [phone]
Internet: http://www.newaterquality.org
An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper
O?O? W AT F9pG
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> -i
May 9, 2005
Mr. Jerry McCrain
EcoScience
1101 Haynes St. Suite 101
Raleigh, NC 27604
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
RE: North Carolina Global Transpark, Dover Bay Mitigation Site Craven County, North Carolina
Dear Mr. McCrain:
DWQ received and reviewed the, "Annual Wetland Monitoring Report (Year 1): Dover Bay Wetland Restoration,
Craven County, North Carolina, March 2005." The report seems to demonstrate one successful year of wetland
mitigation. As presented, the hydrologic and vegetation data did meet the success criteria as stipulated in the
mitigation plan.
Beaver activity on or near the site should continue to be monitored closely. DWQ protocol is to control for the
beaver for the five year monitoring period and assess the state of the site due to the impact of beavers at the end of
those five years.
We appreciate receipt of the report and look forward to receiving the report over the next four years. If you have
any questions or need further assistance, do not hesitate to contact Amanda Mueller [[phone]] of my office.
Sincerely Yours,
John R. Dorney
Cc: Scott Jones, ALOE, Washington Regulatory Field Office
Tom Steffens, DWQ Washington Regional Office
Central Files
File Copy .
401 Oversight/Express Review Permits Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] / FAX [phone] / Internet: http://h2o.enr.state.nc.us/ncwetlands
None Carolina
Amma!!ff
An Equal Opportunity/Affirmative Action Employer-50% Recycled/10% Post Consumer Paper
1101 Haynes Street Suite 101 Raleigh, NC 27604 Telephone: [phone] Fax: [phone]
9
July 01, 2002
Mr. John Dorney
Division of Water Quality, DENR
Wetland/401 Unit
1621 Mail Service Center
Raleigh, Nurth Carolina 27 659-1621
Re: N.C. Global TransPark - Dover Bay Mitigation 01-090.05
Dear John:
Please find attached changes to page 23 of the Modified Planting Plan for the Dover Bay mitigation site.
The hydrology monitoring section has been changed to facilitate a more comprehensive coverage of
hydrological changes post ditch-filling.
The original report called for sixteen wells to be placed within the project area, including the on-site
reference forest. The changes made include an additional six monitoring wells. The total number of
wells to be installed will now be twenty two, eighteen within the main body of Dover Bay and four in
the Mitchell Tract.
A copy of the Modified Planting Plan will also be sent to the U.S. Army Corps of Engineers. Please
contact us regarding any questions or concerns.
Sincerely,
ECOSCIENCE CORPORATION
Joseph R. Pursley
Project Scientist
11 ` ?v
ti?

vehicular impacts, an impassable ditch and berm system will be established at all gates
and potential entrances. Presently, up to six access points have been identified that will
require a ditch/berm systems. The ditches should be at least five feet deep and five six
feet wide. Sand and soil excavated from the ditch will be used to construct the berms.
Gates and ditches will be maintained and upgraded to discourage four wheelers and ATVs
from circumventing them.
6.3 Road/Ditch Network
The road/ditch network in the main-body of Dover Bay will be removed and the ditches
plugged and filled in the winter of late 2002 and early 2003, as outlined in the mitigation
plan. After removal of the roads and filling of the ditches, the approximately 39-acre
road/ditch footprint will be planted on 10 to 15 foot centers with10,000 Atlantic white
cedar, 1,000 pond cypress, and 1,000 pond pine (Figure 9)(Table 3). For monitoring and
fair weather access, a 10 to 20 foot corridor will remain unplanted throughout the
removed road footprint. This fair weather access corridor will be maintained yearly by
bush hogging (mowing).
7.0 MONITORING PLAN
7.1 Hydrology
Hydrology monitoring gauges will be installed in the mitigation site to provide
representative coverage throughout the entire physiographic landscape. Eighteen gauges
will be placed in the main-body of Dover Bay and four will be placed in the Mitchell Tract.
The gauges will be located within planted areas, reference forests, and adjacent to ditches
to properly assess changes in hydrology throughout the bay. Gauge monitoring will be
preformed monthly to verify wetland success criteria according to the mitigation plan.
7.2 Vegetation
Permanent, randomly placed plots will be put at the hydrology monitoring stations
established at representative locations in the Main-Body of Dover Bay and the Mitchell
Tract. Twelve plots will be established to provide a representative sample of tree species
composition, eight in the main-body of Dover Bay and four in the Mitchell Tract. Each
plot will consist of circular or transect plots, dependent upon site conditions encountered
within each wetland restoration area. Circular plots will typically extend for a 37.2-foot
radius, encompassing a 0.1 acre land area. For transect plots, two 300-foot transects will
extend from a central origin. The plot width along the transect will extend 4-feet on each
side of the tape, providing a 0.11 acre plot sample at the location. In each plot, tree
species and number of stems will be recorded and seedling/sapling/tree height measured.
23
e-
Wetlands Tracking===
Facility Name GLOBAL TRANSPARK
Project Number 97 0093
0 Inactive
Project Type prt?lu?sc??J INDUSTRIAL DEVELOP.
Location Ston_yton Creek, Kinston

County LENOIR
County2
Region Washington
DCM Office
COE Office' Washington
401 s Last Total Total Total
Recvd Sent to Recvd Action 401 401 Total Mit Mit
Recvd From Date Region Region Date Last Action Acres Feet Acres Feet
CUE 217/97 2121/97. ,-317/98 4/7198 ! Issue=WQc k" ' 871. 4 1 .wm..} 401 ?`
Inspections/ Violations
Inspection Date Inspector Compliant
401
Total for Project: 871.(X) 1.0(q I
Letter Type Date Sent Reply Date Current St
{ Y^ N } Inspect.
maim=
Wetlands Tracking
Facility Name GLOBAL TRANSPARK
Project Number 97 0093
Project Type purpose of INDUSTRIAL DEVELOP. I County LENOIR
Location Stonyton Creek, Kinston ( County2
Received From COE COE ID # 199202851 Region Washington
Received Date February 7, 1997 COE Susp Date Reg. Contact
Sent to Region Date 2/21/97 DCM Susp Date APPLICATION FEE INFO
Rcvd Region Date 3/7/98) TIP Number _ Payment Date
Last Action Date 'April 7,1998 I More Info Requested 3/7/98 Amount Paid
Last Action Issue WQC? More Info Received 4/6/98 Payor
Latitude (ddmmss)' 352046 Mitigation ? V Check #
Longitude (ddmmss) 773729
Certificates . Stream

Class W
.W u w _ m .. .
Area
acres). Area Length Length
+
Permit Wetland Wetland
Cert # Score
Type Type Impact = (acres) (feet) i (feet)
etland
Stream
Subbasin Req.
Index Prim. Supp. Class I Appr. Req. Appr.
IND ? 3184 BLI I O Y O N_ 0 27-81 C ? NSW 03040 ? riparian 0
IND 11 3184 WF ? O Y ON I I I non 1, 765.0(1 765.0
Mitigation

1 a ?' O N Jam-_J___J J____J -
Total for 401: 971.001f""
7 Stream Impacts (ft.)
WRP Mitigation
Project Wetland Wetland - Area Length Completion Peren- Inter-
Number Type Class (acres) (feet) Date Subbasin nial mittent
Restore BLH riparian 35.001 1
I
Ftihamcc f BLH riparian 240.00 1
Preserve I BLH rinrinn 19.00
Totai'Mitigation: 4.411.011 _?
612 Wade Avenue Suite 200 Raleigh, NC 27605. Telephone: [phone] Fax: [phone]
EcoScience
April 13, 2000
Mr. John R. Dorney
N.C. Department of Environment and Natural Resources
Division of Water Quality, Wetland/401 Unit `,,!ATE Lj y _ N"
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Re: North Carolina Global TransPark Draft, Base-Line Water Quality Monitoring Program
DWQ Project #970093, Water Quality Certification #3184 902
Dear John:
On behalf of the North Carolina Global TransPark Authority, we are providing you with seven
copies of the draft, Base-Line Water Quality Monitoring Program for the N.C. Global TransPark
(NCGTP). This document is intended to fulfill Condition #6 of the 401 Water Quality Certification
for NCGTP (WQC #3184).
We intend to initiate water quality sampling in accordance with this program on May 15, 2000.
Therefore, your comments and/or written approval would be appreciated prior to project initiation.
If you have any questions regarding this plan, please contact Wes Newell or Jerry McCrain at your
convenience.
Sincerely,
ECOSCIENCE CORPORATION
/?2erryMcCrain, Ph.D., CEP
Preside t
i
es Newell, PWS, NCRCPS
enior Project Manager
cc: Van Noah, NCGTPA
State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
Dr. Jerry McCrain
EcoScience
612 Wade Ave. Suite 200
Raleigh, NC 27605
Dear Dr. McCrain:
1 ?•
On% MOM
NC ENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
June 5, 2000
Re: Stream Monitoring Plan - Global TransPark, Lenoir County; DWQ# 97-0093
I have reviewed the draft Base-Line Water Quality Monitoring Program for the
Global TransPark and offer the following brief comments:
1. Ammonia-Nitrogen should be added to the list of nutrients to be analyzed.
2. Conductivity should be added to the list of physical attributes to be analyzed.
3. All chemical analyses must be performed at a DWQ certified laboratory.
4. A subset of samples should be split for analyses at a certified laboratory of your
choice and the DWQ Chemistry laboratory.
5. The methods proposed for benthic macroinvertebrate sampling are not clear. These
methods should be consistent with the methods currently in use by the DWQ; contact
Trish MacPherson or Dave Lenat for information: [phone].
6. All data must be available for independent analysis by the DWQ if deemed necessary.
If you have any questions please contact Steve Kroeger of my staff. He may be contacted
by telephone [phone]) or email: [e-mail].
Sincerely,
o WD
Wetlands/401 Unit
1621 Mail Service Center Raleigh NC 27669-1621
Telephone [phone] - FAX [phone]
An Equal Opportunity Affirmative Action Employer
50% recycled/ 10% post-consumer paper
\ NA TF
F Michael F. Easley, Governor
0
R pG William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
r Alan W. Klimek, P.E., Director
- Division of Water Quality

MEMORANDUM
TO: John Dorney
FROM: Amanda Mueller ({?ti
SUBJECT: Comments on North Carolina Global TransPark DWQ# 97-0093
DATE: March 30, 2004
I have reviewed the "Year 2003 Annual Report: Summary of Wetland Mitigation
Implementation Activities" for North Carolina Global TransPark Authority. My main concern
with this project is the longevity of completing the first stages of the project. I am uncertain
whether this would be considered in violation and whether any action needs to be taken on our
part. They do appear to be continuing work on the project, but since I am uncertain with the
history of the project, I do not know if it is an acceptable pace. I am also uncertain whether I
will have time to do anything further with this prior to leaving.
In reviewing the rest of the report a couple of other minor comments:
1. The Mitchell Tract was planted in January and February 2000 and an additional
planting was done in March of 2002. However, no vegetation monitoring data has
been submitted with the reports over the past few years.
2. Any hydrologic data available for the Mitchell and Dover Bay Tracts should be
presented.
3. Vegetation and well monitoring locations should be shown on a detailed site plan.
Again, I regret that I may not have time to deal with this further prior to leaving, but if you have
any questions or need my help further, please let me know.
r
AS
N. C. Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
[phone] (phone), 919-733-6893 (fax), (http://h2o.enr.state.nc.us/ncwetlands
Jul 16 04 05:08p P'..2.
Michael F. Easley, Governor
QF W A William G. Ross Jr., Secretary
`OCR QG North Carolina Department of Environment and Natural Resources
fjj r Alan W. Klimek, P. E. Director
> Division of Water Quality
0 Coleen H. Sullins, Deputy Director
Division of Water Quality .
May 15, 2004 GcosciElCE
Mr. Jerry McCrain MAY 2 0 2004
EcoScience
AUt Ll tj
1101 Haynes Street
Suite 101
Raleigh, NC 27604
Dear Mr. McCrain:
RE: Global TransPark mitigation summary
Division of Water Quality review
DWQ # 97-0093, COE # 199202851
Lenoir County
DWQ staff have reviewed the Mitigation summary for Year 2003 (dated February 24,
2003 (sic) and received on March 2, 2004 by the Division) for the above mentioned project. The
Division would like the following issues addressed for the mitigation sites:
1. The Mitchell Tract was planted in January and February 2000 with additional planting
in March 2002. Please address whether vegetation monitoring data are available for
this site since that time.
2. Provide hydrology data for the Mitchell and Dover Bay tracts
3. Please show the locations of the vegetation and well monitoring sites.
4. Provide a more precise schedule for conducting the remainder of the Phase I
mitigation. The Division is concerned that this required mitigation has not yet been
completed and believes that a schedule for conducting this mitigation should suffice.
Please address these issues in a supplement to the above mentioned report so we can
complete our review of this project. I can be reached at 919-733-9646 if you have any
questions.
Sincerely yours,
Cc: David Franklin, US Army
File copy
Central files
Engineers - Wilmington District
ME
N. C. Division of Water Quality 1617 Mail Service Center Raleigh. North Carolina 27699-1617 [phone] Customer Service
1-877-623-6748

JUL-16-2004 FRI 15:42 TEL:[phone] NAME:DWQ-WETLANDS P. 2
Jul 16 04 05:08p
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ear
EcoScience
ECOSCIENCE CORPORAT[ON
1101 Haynes Street, Suite 101
Raleigh, NC 27604
Phone: [phone] Facsimile: [phone]
p.1
JUL-16-2004 FRI 15:41 TEL:[phone] NAME:DWQ-WETLANDS P
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Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
May 15, 2004
Mr. Jerry McCrain
EcoScience
1101 Haynes Street
Suite 101
Raleigh, NC 27604
Dear Mr. McCrain:
RE: Global TransPark mitigation summary
Division of Water Quality review
DWQ # 97-0093, COE # 199202851
Lenoir County
DWQ staff have reviewed the Mitigation summary for Year 2003 (dated February 24,
2003 (sic) and received on March 2, 2004 by the Division) for the above mentioned project. The
Division would like the following issues addressed for the mitigation sites:
1. The Mitchell Tract was planted in January and February 2000 with additional planting
in March 2002. Please address whether vegetation monitoring data are available for
this site since that time.
2. Provide hydrology data for the Mitchell and Dover Bay tracts
3. Please show the locations of the vegetation and well monitoring sites.
4. Provide a more precise schedule for conducting the remainder of the Phase I
mitigation. The Division is concerned that this required mitigation has not yet been
completed and believes that a schedule for conducting this mitigation should suffice.
Please address these issues in a supplement to the above mentioned report so we can
complete our review of this project. I can be reached at 919-733-9646 if you have any
questions.
Cc: David Franklin, US Army
File copy
Central files
Engineers -Wilmington District
N. C. Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 [phone]
Customer Service
1-877-623-6748
Sincerely yours,
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NC Division of Water Quality
401 Oversight and Express Permitting Unit
March 20, 2007
Memorandum
To: Tammy Hill
From: Eric Kulz
Subject: Comments on Monitoring Report - Stonyton Creek Stream and Wetland Mitigation
Report prepared by EcoScience Corp.
(DWQ# 19970093)
Tammy:
This is a 1St year monitoring report. The Mitigation Plan describes the plant communities which
were to be established at this site. However, in talking with the consultant, the site is so wet
(partially from lots of beaver activity) that they basically changed the plans to make all cypress-
gum swamp.
I didn't see a copy of the as-built plan for this particular site in the file, so I did the "new guy" act
and ask for it. They are checking if they have a copy around
I have no comments on the stream portion of the project; it looks pretty stable. However, I would
like to see comparison to the as-built data (unless that is what the "proposed conditions'° is).
The wetland areas appear to be pretty wet. Four of the monitoring gauges were saturated for
100% of the growing season. Lots of cypress (OBL), swamp tupelo (013L), and cherrybark oak
(FAC+). Tree survival looks pretty good.
It'll be waiting for you upon your return. Let me know what you think after you look at it. I can
write the letter, or you can write it.
North Carolina Division of Water Quality; 401 Oversight and Express Permitting Unit
1650 Mail Service Center; Raleigh, NC 27699-1650
2321 Crabtree Blvd., Raleigh, NC 27604-2260
Telephone: [phone]; Fax: [phone]
http://ncwaterquality.org/wetlands
NC Division of Water Quality
401 Oversight and Express Permitting Unit
v
March 2007
Memorandum
To: File - DWQ # 19970093
From: Tammy Hill
Subject: Wetlands comments on Monitoring Report - Stonyton Creek Stream Restoration and
Wetland Enhancement Site, Year 1; Reports submitted by Ecoscience Corporation.
1) Background
a) Lenoir County; 373 acre tract adjacent to impact site NC Global Transpark, N of Kinston
b) 348 ac WL enhancement; 25 ac stream restoration area
c) Goals
i) majority of WL is bottomland (cypress-tupelo-gum); also floodplain flats, levees,
stream banks, interstream divides
ii) main focus of enhancement is vegetation planting & removal of invasives (tree of
heaven, privet, chinaberry; other foci include wildlife habitat (bird boxes) & public
access (wildlife observation & enviro ed center)
d) Stonyton Creek has a 7 mile watershed
2) Hydrology
a) 10 + 2 gauges on site
b) Success criteria: saturation for 12.5% of growing season (season is 249 days)
c) 2006: saturation ranged from 79 - 249 days (32- 100%of GS) -->"standing water"
3) Vegetation
a) 6 + 2 plots (10x10m each)
b) Success criteria: 320 - 290 - 260 "character tree species" stems/acre; planted species at
least 30%; volunteers max 10% per species
c) 2006: Most common trees are sweet gum, cypress, and tupelo 4 target community of
cypress-gum bottomland swamp; diversity & density are low in the stream restoration
area
4) For letter
a) Wetland hydrology: While the site did meet or exceed the hydrology criterion of
saturation over 12.5% of the growing season, there is concern about the gauges that
show nearly permanent standing water (Gauges 7, 8, 11, and 12). Saturation or
inundation for 100% of the growing season may actually inhibit development of a wetland
ecosystem because most desirable woody plants have difficulty growing in permanently
flooded conditions. An ideal wetland has periods of drying during which air can enter the
soil to provide oxygen to plant roots. It is also unclear which gauges are in higher
topographic locations and would be expected to be saturated in the 5 -12.5% range. In
the next monitoring report, please provide data detailing the maximum number of
consecutive days of saturation for all gauges in all monitoring years, and a site map
overlain with topographic lines.
North Carolina Division of Water Quality; 401 Oversight and Express Permitting Unit
1650 Mail Service Center; Raleigh, NC 27699-1650
2321 Crabtree Blvd., Raleigh, NC 27604-2260
Telephone: [phone]; Fax: [phone]
http://ncwate rq ual ity. orgtweti ands
111C
NC Division of Water Quality
401 Oversight and Express Permitting Unit
b) Wetland vegetation: Please provide tables detailing vegetation species and counts for
every sample plot, rather than only a site average, and identify which were planted vs.
volunteer. This will help will evaluating variations in density and diversity of the plant
community, and help to identify trouble spots that may need extra attention. The
enhancement area appears to be developing the target cypress-gum-tupelo bottomland
swamp community. While the 320 trees/acre criterion was met in the restoration area,
diversity is low (4 species). In the next monitoring report, please document vegetation
species and counts for all plots during all monitoring years.
c) To do (DWQ): Veg stats methods seem funky - check mitigation plan for details &
run numbers to better understand their method.
5) For site visit
a) Examine prevalence standing water on site, and its impact on vegetation.
b) Examine diversity of plant community in both areas.
North Carolina Division of Water Quality; 401 Oversight and Express Permitting Unit
1650 Mail Service Center; Raleigh, NC 27699-1650
2321 Crabtree Blvd., Raleigh, NC 27604-2260
Telephone: [phone]; Fax: [phone]
http://ncwaterquality.org/wetlands
NC Division of Water Quality
401 Oversight and Express Permitting Unit
April 11, 2007
Memorandum
To: File - DWQ # 19970093
From: Tammy Hill
Subject: Comments on Monitoring Report, Year 3 - Dover Bay Wetland Restoration Site
Report prepared by EcoScience Corporation for NCGTP
1) Background
a) Craven County, 1 mile N of Cove City
b) Carolina bay site
c) 3090 acres
d) Goal: non-riverine mitigation for impacts from NC Global Transpark
e) Historic uses: sand & peat mining (sand mining 4 Horseshoe Lake), row crops with
extensive ditching in certain sections
f) Mitigation activities: reforestation, road & ditch removal, habitat restoration for T&E
species, selective burning/ground prep
g) Phased mitigation:
i) Mitchell Tract (smaller SE section) in 1999
ii) revised planting plan in 2002
iii) Main Tract (all work) & Mitchell (supplemental planting) in 2003
iv) monitoring clock start for whole site: 1St full growing season was 2004
2) Hydrology
a) 22 gauges, continuous
b) Success criteria:
c) 2006 data: max consecutive saturated days: 37 - 249 (15 -100% of GS)
d) Many gauges showed at least 1 period of drying during late summer, but several (7, 8, 9,
12, 14, 15, 16) had standing water at nearly all times; 19 & 21 also very wet
e) Wettest areas: W of interior sand rim; Mitchell Tract mined areas
f) Driest areas: near outer sand rim
3) Vegetation
a) 4 plots in Mitchell Tract, 8 in Main, most near gauges; plots are 0.1 acre each (either 2
transects OR 1 circular plot per monitoring point)
b) Success criteria
i) development of a plant community sufficient for JD
ii) 320 characteristic (planted or identified in reference ecosystem, indicator status FAC
to OBL) tree species/acre at 5 years
iii) Of the 320 species: at least 3 species at 10% (32 stems), no single species > 33%
(107 stems)
c) Counted: woody species >_ 12" tall
d) Reported: average or combined for all plots 4 density and relative % of each species
North Carolina Division of Water Quality; 401 Oversight and Express Permitting Unit
1650 Mail Service Center; Raleigh, NC 27699-1650
2321 Crabtree Blvd., Raleigh, NC 27604-2260
Telephone: [phone]; Fax: [phone]
hftp://ncwaterquality.org/wetlands
NC Division of Water Quality
401 Oversight and Express Permitting Unit
e) 2006 results
i) red maple = 53% of all trees, sweetgum at 0.5%
ii) 11 tree species on Main Tract: red maple, red bay, pond cypress, loblolly bay, sweet
bay, pond pine
4) Photos
a) Veg density looks very good, diversity questionable
b) Standing water in photos is shallow & mixed within vegetated areas, rather than as large
pools
5) EcoScience provided interpretation & explanation of results:
a) Veg results show continuum: forest 4 woodland --> pocosin succession
b) "Hydroperiods also correspond with changes in existing vegetation types ...open water,
freshwater marsh/early successional cypress-gum forest, pocosin, bay forest, and pond
pine woodland." (p. 8 in report)
c) Mitchell Tract is a nearly continuously inundated early successional cypress-gum swamp
which currently resembles and functions as a freshwater marsh. It is dominated by
volunteer herbaceous species (sedges, cattail, wool grass, Juncus spp.). Drier areas
contain bays & pond pines (bay forest/pocosin ecosystem). This tract may develop over
the longer term as accumulation of organic matter eventually restores the area to pre-
mining conditions.
d) Main Tract
i) Wetlands along former road are often inundated 4 similar to cypress-gum area of
Mitchell Tract & 8.5 acres of open water (near gauge 19 & plot 10)
ii) 11 tree species (planted & volunteer) in 2006
Additional Issues & Questions:
1) DWQ to do
a) Review success criteria calculations in approved monitoring plan (App A). EcoScience is
counting red maple only up to 33% for success evaluation, but it is actually 53% of the
tree count (Table 2).
2) For Letter
a) In future reports, please include results for each vegetation sampling point for all
monitoring years. This will help with evaluating distribution of vegetative success and
plant community development.
b) Red maple made up over 1/2 of the total tree count in 2006. This suggests that diversity
development within the plant community is not ideal.
c) DWQ appreciates the effort taken by EcoScience to provide thoughtful interpretation of
results, correlation between site hydrology and vegetative community, and discussion
regarding the expected direction of site development.
3) Site Visit
a) Look at NW corner (gauges 7, 8, 9) and Mitchell Tract in the SE corner (gauges 14, 15,
16) - examine impacts of standing water on veg growth.
North Carolina Division of Water Quality; 401 Oversight and Express Permitting Unit
1650 Mail Service Center; Raleigh, NC 27699-1650
2321 Crabtree Blvd., Raleigh, NC 27604-2260
Telephone: [phone]; Fax: [phone]
hftp://ncwaterquality.org/wetlands
Dover Bay
Subject: Dover Bay
From: Eric Kulz <[e-mail]>
Date: Tue, 13 Mar 2007 10:35:29 70400
To: Tammy L Hill <[e-mail]>
Tammy;
You also have another one waiting; Dover Bay wetland mit. site. This one and Stonyton are both
associated with the Global Transpark.
Looks like a cool site.
Eric
Eric W. Kulz
Environmental Specialist
401 Oversight and Express Permitting Unit
2321 Crabtree Blvd., Suite 250
Raleigh, NC 27604
Phone: [phone]
Fax: [phone]
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