Eagle Brunswick Tract (2)

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Eagle Brunswick Tract
Year One Monitoring Report
Brunswick County, NC
Prepared for:
ECOBANK
Winter Park, FL
f%
Prepared by:
Land Management Group, Inc.
Wilmington, NC
September 2001
Revised June 2002
Table of Contents
y
1.0 Introduction ........................................................................................................................1
2.0 Hydrology ................................................:..........................................................................1
2.1 Success Criteria .........................................................................................................1
2.2 Methods .....................................................................................................................2
2.3 Results ................................................................... ...............................................3
2.3.12000 ............................................................................................................4
2.3.2 2001 ............................................................................................................4
3.0 Vegetation ...........................................................................................................................5
3.1 Success Criteria .........................................................................................................5
3.2 Methods .....................................................................................................................5
3.3 Results .......................................................................................................................6
4.0 Conclusions .........................................................................................................................6

ii
Tables, Figures, and Appendices
Table 1. Groundwater monitoring results for Eagle Brunswick gauges .............. 3
Table 2. Dominant vegetation at the reference area of Eagle Brunswick ............. 5
Table 3. Number of pond pine and loblolly bay trees found at Eagle Brunswick... 6
Figure 1. Vicinity map ....................................................................... 8
Figure 2. Location of monitoring gauges at site .......................................... 9
Figure 3. Location of vegetation monitoring plots at site ............................... 10
Figure 4. Location of pre-construction monitoring gauges at site ..................... 11
Appendix A. Hydrographs
Figure A.1. Hydrology Monitoring, Gauges Al, A2, & A3
Figure A.2. Hydrology Monitoring, Gauges A4, A5, & A6
Figure A.3. Hydrology Monitoring, Gauges B1, B2, & B3
Figure A.4. Hydrology Monitoring, Gauges Cl, C2, & C3
Figure A.5. Hydrology Monitoring, Gauges D1, D2, & D3
Figure A.6. Hydrology Monitoring, Gauges E1, E2, & E3
Figure A.7. Hydrology Monitoring, Gauges F1, F2, & F3
Figure A.8. Hydrology Monitoring, Gauges RI & R2
Figure A.9. Rainfall Analysis for Year 2000
Figure A.10. Rainfall Analysis for Year 2001
Figure A.11. Hydrology Monitoring, Pre-Construction Gauges G, A, B, C, H
Figure A.12. Hydrology Monitoring, Pre-Construction Gauges G, D, E, F, H
Appendix B. Pictures of site
iii

Eagle Brunswick Tract
Year One Monitoring Report
Brunswick County, NC
1.0 Introduction
As part of mitigation for unavoidable wetland impacts associated with the
construction of the Wilmington Bypass by the North Carolina Department of
Transportation, ECOBANK proposed to utilize restoration, enhancement, and
preservation mitigation at the 451-acre Eagle Brunswick tract, located in Brunswick
County, North Carolina (Figure 1). This tract historically consisted of pine flat and
pocosin habitats, much of which was ditched and drained due to silvicultural purposes.
In order to restore wetland hydrology at the Eagle Brunsick tract, all on-site
ditches were filled in December of 1999. Automated groundwater monitoring gauges
were then placed in transects throughout the site to collect hydrology data. Although the
mitigation efforts did not include planting wetland vegetation, six monitoring plots were
randomly located within the site and existing vegetation was analyzed to verify that the
ditch filling has not negatively affected species composition or numbers. The hydrology
and vegetation data collected since the ditches were filled are presented in this document
and will be monitored for at least five years, or until the project is deemed successful.
2.0 Hydrology
2.1 Success Criteria
According to the Eagle Brunswick Tract Mitigation Plan, the wetland
hydrology success criterion for this site is the establishment of a static water table
at or within 12" of the soil surface, ponded or flooded for 12.5% of the growing
season during normal precipitation conditions. The growing season in Brunswick
County extends 265 days, between March 7 and November 28. Normal

precipitation is defined as total monthly precipitation falling within the 30th and
70'' percentiles of a 30-year period. Therefore, to meet the success criterion, the
water table should remain at or within 12" of the soil surface for at least 33
consecutive days between March 7 and November 28. However, because of
awareness in the scientific community that undisturbed pocosin/pine flat wetlands
do not always meet this 12.5% threshold, this criterion is subject to redefinition
based on groundwater results from the reference gauges.
2.2 Methods
In December of 1999, several ditches that transected the Eagle Brunswick
Tract were filled to restore wetland hydrology to the 451-acre site. According to
the Eagle Brunswick Tract Mitigation Plan, a total of 23 automated groundwater
monitoring gauges were to be installed throughout the site to monitor
groundwater hydrology for at least five years. Fifteen of these gauges were
located in restored wetlands, six gauges were installed in enhanced wetlands, and
two gauges were placed in reference wetlands located on site (Figure 2).
Hydrology data from the gauges located in restored and enhanced areas were to
be compared to data from the two reference gauges.
At the Eagle Brunswick site, four gauges were installed within restored

wetlands at the end of 1999. The remaining gauges in restored areas and reference
areas were installed in the summer of 2000. Finally, six gauges were installed
within enhancement areas at the end of October, 2000.
2
2.3 Results
Table 1. Groundwater monitoring results for gauges located within the Eagle
Brunswick Tract.
Type Gauge
Number Serial
Number # of Consecutive Days
above 12"
2000 2001
Restoration Al S320479 89 53
A2 S342F37 89 53
A3 S353973 89
B1 S35398E 90 55
B2 S2C7D36 89 55
B3 S37851A 91 25*
C1 S2C7EE9 128 69
C2 S213C85 57 67
C3 S353B90 128 69
El S126F5F 85 43
E2 S2EACFA 85 43
E3 S214018 83 41
F1 S2D44E2 98 57
F2 S2EA974 gauge
stolen 14*
F3 S353A85 77 57
Enhancement A4 S353A2C 45
A5 S353ADE 47
A6 S144FBA 26*
Dl S3697DA 53 64
D2 S3783F2 66
D3 S1271FD 28 70
Reference R1 S378395 9 45
R2 S317403 11 49
* Gauge stopped reading during growing season.
2.3.1 2000
Of the 15 gauges located within the restored wetlands, 14 met the
hydrology success criterion for the year 2000, which is a water table
within 12" of the soil surface for 12.5% of the growing season (33 days).
Most of these gauges far exceeded this goal (Appendix A). The only
gauge that did not meet the success criterion was gauge F2, which was
stolen and hydrology data could not be retrieved. Gauges located within
enhanced areas were not installed early enough to produce data that could
be analyzed for 2000. Finally, the reference gauges (RI and R2) located
within the tract did not meet the wetland hydrology success criterion
during 2000. The reason for this unusual result is unknown. It was decided
to compare data from 2001 before reevaluating the reference areas.
2.3.2 2001
Of the 23 gauges located at the Eagle Brunswick tract, all but four
met the hydrology criterion for 2001. Most of these gauges did so in the
early part of the growing season, between March 7 and the end of April.
Below average rainfall (Appendix A) in May and June caused the
groundwater level to drop below 12" from the surface for most of the tract
during this time.
Four gauges at the site (A3, A6, B3, and F2) have not achieved
wetland hydrology thus far in 2001. These gauges stopped reading duringr=~-
a
the growing season and an adequate amount of data was not collected.
Although 2001 data for A3 has not yet been obtained, readings from this
gauge in the year 2000 followed the hydrology patterns of the other
gauges in its transect very closely and recorded groundwater levels above
12" for much of the growing season. Therefore, although technical
4
problems with the A3 gauge have recently occurred, it is likely that
wetland hydrology conditions still exist at A3. Furthermore, although
wells A6, B3 and F2 stopped reading earlier in the growing season, they
are all currently collecting data and following the hydrology patterns of
~ other gauges in their respective transects very closely. These gauges will
all likely achieve wetland hydrology by the end of the 2001 growing
season.
3.0 Vegetation
3.1 Success Criteria
As established in the mitigation plan, the vegetation criterion for the Eagle
Brunswick site was a minimum of 320 trees per acre, specifically of pond pine
(Pinus serotina) and loblolly bay (Gordonia lasianthus).
3.2 Methods
Although no wetland vegetation was planted within the Eagle Brunswick

Tract, vegetation monitoring was included as a part of the mitigation plan in order
to evaluate whether the ditch filling activities had any negative consequences on
existing vegetation. Six circular plots, each with a 10' radius, were randomly
located within restoration and enhancement areas throughout the site (Figure 3).
The number and species of trees were noted and then compared to the vegetation
within the wet pine flat reference area (Table 2).
Table 2. Dominant vegetation at the pine flat reference area of the Eagle Brunswick
Tract.
Dominant Dominant
Overstory Shrub/Sa ling Dominant
Herbaceous
Pinus serotina Gordonia lasianthus Ilex glabra
Lyonia lucida Lyonia lucida
Cyrilla racem fora
Ilex glabra
5
3.3 Results
Each plot surveyed had a 10' radius and, therefore, contained 314 ft2.
Because six plots were counted, the total area surveyed was 1884 ft2. To
extrapolate the vegetation to one acre, the total number of pond pines and loblolly
bays found in the six plots was multiplied by 23.1. Therefore, the Eagle
Brunswick site contained an average of 462 of these species per acre. This is well
above the 320 trees per acre criterion established in the mitigation plan.
Therefore, the vegetation criterion for 2001 is fulfilled.
Table 3. Number of pond pine and loblolly bay trees found in each plot at the Eagle
Brunswick Tract.
Plot # Pond Pine
(Pinus serotina) Loblolly Bay
(Gordonia lasianthus)
1 None (logged) 5
2 2
3 4
4 3
5 5
6 None (logged)
1
Total 14 6
Other vegetation observed at Eagle Brunswick included titi (Cyrilla
racem flora), sweet pepperbush (Clethra alnifolia), fetterbush (Lyonia lucida),
gallberry (Ilex glabra), and catbrier (Smilax spp.) which were mainly found in the
shrub and herbaceous layers. Exact counts of these species were not calculated
since they did not factor into the vegetation criterion.
4.0 Conclusions
Hydrology data from years 2000 and 2001 reveal that groundwater levels
throughout the Eagle Brunswick tract exceeded the 12.5% wetland hydrology criterion
established in the mitigation plan. Although four gauges did not achieve the criterion in
2001, this is because gauges were either broken, stolen, or had malfunctioned and
adequate hydrology data throughout the growing season could not be collected.
6
Several gauges were installed throughout the tract in 1997 to evaluate the effects
of the ditches on hydrology. A comparison of these data to data collected after the ditches
were filled shows that the ditches had a considerable drainage effect. Gauges as far as
500' away from a ditch measured water levels that were routinely 2-3' below the surface
(Appendix A: Figures A.11 & A.12). After the ditches were filled, groundwater levels
rose to within 12" of the soil surface for most of the growing season and reflect wetland
hydrology. Even gauges located in enhanced areas resulted in wetter hydrology after the
ditches were filled (Gauges F & H compared to Gauges D1-D3 and A4-A6).
Vegetation monitoring found the Eagle Brunswick Tract to contain thick stands of
wet pine flat plant species such as gallberry, fetterbush, and titi (Appendix B). In
addition, an average of 462 trees per acre of pond pine and loblolly bay were observed in
the canopy and shrub layer throughout the tract. Although this exceeds the vegetation
criterion of 320 trees per acre of these two species, these values were lower than numbers
observed in the Dale Tract because sections of the Eagle Brunswick tract have recently
been logged.
Because both hydrology and vegetation criteria were achieved during year one
monitoring, wetland mitigation at the Eagle Brunswick site can be considered a success
thus far.
7
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Land Management Group, Inc. The Eagle Brunswick Tract
Environmental Consultants
Figure 1. Vicinity map. Wilmington, ul Wilmington Bypass Project
September 2001 Brunswick County, NC
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Reference
0 500 1000 2000
SCALE 1" = 1000'
Land Management Group, Inc. The Eagle Brunswick Tract
Figure 2. Gauge monitoring Environmental Consultants Wilmington Bypass Project
locations. Wilmington, N.C. Brunswick County, NC
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0 500 1000 2000
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Pocosin Restoration (30.1 acres)
Pocosin Enhancement (30.1 acres)
Ao 'Ocosin Preservation (34.8 acres)
Figure 3. Location of
vegetation monitoring plots.
Pine Flat Restoration (140.2 acres)
j Pine Flat Enhancement (85.5 acres)
f Pine Flat Preservation (125.5 acres)
Land Management Group, Inc.
Environmental Consultants
Wilmington, N.C.
September, 2001
The Eagle Brunswick Tract
Wilmington Bypass Project
Brunswick County, NC
FIGURE 4. LOCATION OF PRE-CONSTRUCTION MONITORING GAUGES AT SITE
-a
S
l

DUPONT
PLANT

WELL LOCATION MAP
OF THE
TOM YOUNG EAGLE BRUNSWICK TRACT
LELAND AREA - BRUNSWICK COUNTY - NORTH CAROLINA
A-S D DA69 B-S 127130
C-SFED51 D-S144E26
E-SC91395 F-S10D8F0
_ G-SFED22 (WL-20 CONTROL)
H-S158E.15 (CONTROL)
wu Fcr"Snr HEIRS
SCALE 1" = 1000'
OCTOBER 27, 1997
SOIL AND WETLAND LINES ARE PACED AND APPROXIMATE.
CASCOMEAGLEBRUNSMCKIEAG LECOR

LAND MANAGEMENT GROUP, INC. ,
DRAWN BY: SAP
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Eagle Brunswick Tract
Brunswick County, NC
Land Management Group, Inc.
Environmental Consultants
Wilmington, N.C.
September 2001
Pictures of site.
? Typical vegetation at site.
Vegetation sampling plot.
i Typical vegetation at site.
Eagle Brunswick Tract
Brunswick Countv. NC
Land Management Group, Inc.
Environmental Consultants
Wilmington, N.C.
September-'1001
Pictures of site.
? Ponded area within tract.
Eagle Brunswick Tract
Year Four Monitoring Report
Brunswick County, NC
Prepared for:
ECOBANK
Winter Park, FL
Prepared by:
Land Management Group, Inc.
Wilmington, NC
December 2004
Tables, Figures, and Appendices
Table 1. Groundwater monitoring results for Eagle Brunswick gauges .............. 4
Table 2. Dominant vegetation at the reference area of Eagle Brunswick ............. 5
Table 3. Number of pond pine and loblolly bay trees found at Eagle Brunswick... 6
Figure 1. Vicinity map ....................................................................... 8
Figure 2. Location of monitoring gauges and vegetation monitoring plots
at site .............................................................................. 9
Appendix A. Hydrographs
Figure A.1. Hydrology Monitoring, Gauge A 1
Figure A.2. Hydrology Monitoring, Gauge A2
Figure A.3. Hydrology Monitoring, Gauge A3
Figure A.4. Hydrology Monitoring, Gauge A4
Figure A.5. Hydrology Monitoring, Gauge A5
Figure A.6. Hydrology Monitoring, Gauge A6
Figure A.7. Hydrology Monitoring, Gauge B 1
Figure A.8. Hydrology Monitoring, Gauge B2
Figure A.9. Hydrology Monitoring, Gauge B3
Figure A.10. Hydrology Monitoring, Gauge C 1
Figure A.11. Hydrology Monitoring, Gauge C2
Figure A.12. Hydrology Monitoring, Gauge C3
Figure A.13. Hydrology Monitoring, Gauge El
Figure A.14. Hydrology Monitoring, Gauge E2
Figure A.15. Hydrology Monitoring, Gauge E3
Figure A.16. Hydrology Monitoring, Gauge D 1
Figure A.17. Hydrology Monitoring, Gauge D2
Figure A.18. Hydrology Monitoring, Gauge D3
Figure A.19. Hydrology Monitoring, Gauge F1
Figure A.20. Hydrology Monitoring, Gauge F2
Figure A.21. Hydrology Monitoring, Gauge F3
Figure A.22. Hydrology Monitoring, Reference Gauge RI
Figure A.23. Hydrology Monitoring, Reference Gauge R2
Figure A.24. Rainfall Analysis for Year 2004
Figure A.25. Hydrology Monitoring, Pre-Construction Gauges G, A, B, C, H
Figure A.26. Hydrology Monitoring, Pre-Construction Gauges G, D, E, F, H
Appendix B. Pictures of site
iii
Eagle Brunswick Tract
Year Four Monitoring Report
Brunswick County, NC
1.0 Introduction
As part of mitigation for unavoidable wetland impacts associated with the
construction of the Wilmington Bypass by the North Carolina Department of
Transportation, ECOBANK proposed to utilize restoration, enhancement, and
preservation mitigation at the 451-acre Eagle Brunswick tract, located in Brunswick
County, North Carolina (Figure 1) as described in Revised Compensatory Mitigation Plan
for the Eagle Brunswick Tract dated July 21, 2000. This tract historically consisted of
pine flat and pocosin habitats, much of which was ditched and drained due to silvicultural
purposes.
In order to restore wetland hydrology at the Eagle Brunswick tract, all on-site
ditches were filled in December of 1999. Automated groundwater monitoring gauges
were then placed in transects throughout the site to collect hydrology data. Although the
mitigation efforts did not include planting wetland vegetation within the pocosin and pine
flats, six monitoring plots were located within the site and existing vegetation was
analyzed to verify that the ditch-filling has not negatively affected species composition or
numbers.
In addition to the pocosin and pine flats mitigation, approximately four acres
(-1700 linear feet of stream) of stream/headwater riverine wetlands were restored at the
northern end of the tract by filling a ditch, reestablishing wider slopes and natural
sinuosity, and planting 2000 seedlings along the bank. Because this area was not counted
towards the mitigation credits, neither hydrologic nor vegetation monitoring were
conducted here.
The hydrology and vegetation data collected throughout the past twelve months
are presented in this document and will be monitored for at least a total of five years, or
until the project is deemed successful.
The three previous monitoring reports for this site determined that Eagle
Brunswick has achieved both the vegetative and hydrological success criteria and the site
is thus far a mitigation success.
2.0 Hydrology
2.1 Success Criteria
According to the Eagle Brunswick Tract Mitigation Plan, the wetland
hydrology success criterion for this site is the establishment of a static water table
at or within 12" of the soil surface, ponded or flooded for 12.5% of the growing
season during normal precipitation conditions. The growing season in Brunswick
County extends 265 days, between March 7 and November 28. Normal
precipitation is defined as total monthly precipitation falling within the 30th and
70th percentiles of a 30-year period. Therefore, to meet the success criterion, the
water table should remain at or within 12" of the soil surface for at least 33
consecutive days between March 7 and November 28. However, because of
awareness in the scientific community that undisturbed pocosin/pine flat wetlands
do not always meet this 12.5% threshold, this criterion is subject to redefinition
based on groundwater results from the reference gauges, as stated on page 16 of
the mitigation plan. A redefinition of the hydrological success criterion is not
requested in this monitoring report.
2.2 Methods
In December of 1999, several ditches that transected the Eagle Brunswick
Tract were filled to restore wetland hydrology to the 451-acre site. As stated in
the mitigation plan, a total of 23 automated groundwater monitoring gauges were
installed throughout the site to monitor groundwater hydrology for at least five
years. Fifteen of these gauges were located in restored wetlands, six gauges were
2
installed in enhanced wetlands, and two gauges were placed in reference wetlands
located on site (Figure 2). Hydrology data from the gauges located in restored
and enhanced areas have been compared to data from the two reference gauges.
At the Eagle Brunswick site, four gauges were installed within restored
wetlands at the end of 1999. The remaining gauges in restored areas and reference
areas were installed in the summer of 2000. Finally, six gauges were installed
within enhancement areas at the end of October, 2000.
2.3 Results
Of the 21 gauges located within the restored and enhanced wetlands, 20
met the hydrology success criterion for the year 2004 (Table 1), which is a water
table within 12" of the soil surface for 12.5% of the growing season (33 days). In
fact, most gauges documented wetland hydrology for significantly longer than 33
days. One gauge, C3, had a dead battery during a large part of the growing season
and was unable to document wetland hydrology for at least 33 continuous days
during the growing season. The reference gauges (RI and R2) located within the
tract reflected the same patterns as the other gauges, and documented wetland
hydrology for 62 and 80 days, respectively.
The 30-day running total for 2004 shows normal to slightly below normal
rainfall for most of the year, except for late summer, which documented above
normal rainfall (Appendix A). Several hurricanes passed through the region
during this time period. It was during this time period that most gauges achieved
wetland hydrology.
3
Table 1. Groundwater monitorine results for gauges located within the Eaele Brunswick Tract.
Type Gauge
Number Serial
Number 2001
# of
Consecutive
Days
above 12" 2002
# of
Consecutive
Days
above 12" 2003
# of
Consecutive
Days
above 12" 2004
# of
Consecutive
Days
above 12"
Restoration Al S320479 89 35 123 80
A2 S342F37 89 * 123 80
A3 S353973 89 35 123 80
131 S35398E 90 36 123 85
B2 S2C7D36 89 24* 122 81
B3 S37851A 91 35 124 83
C1 S2C7EE9 128 16* 193 108
C2 S35387C 57 35 190 73*
C3 S353B90 128 35 193 23*
El S126175F 85 25 71 58
E2 S2EACFA 85 25 48 59
E3 5214018 83 19 68 56
F1 S2D44E2 98 35 114 86
F2 S2EA974 gauge stolen 35 124 81
F3 S353A85 77 * 26* 85
Enhancement A4 S353BOE 35 123 80
A5 S353ADE 35 77 79
A6 S144FBA * 39 42
D1 S3697DA 53 39 125 108
D2 S3783F2 39 189 108
D3 S1271FD 28 39 190 108
Reference RI 5378395 9 36 124 62
R2 S3174D3 11 35 75 80
* Gauge stopped reading during growing season.
3.0 Vegetation
3.1 Success Criterion
As established in the mitigation plan, the vegetation success criterion for
the Eagle Brunswick site was a minimum of 320 trees per acre, specifically of
pond pine (Pinus serotina) and loblolly bay (Gordonia lasianthus).
3.2 Methods
Although no wetland vegetation was planted within the pocosin or pine
flats restoration and enhancement areas at Eagle Brunswick, vegetation
monitoring was included as a part of the mitigation plan in order to evaluate
whether the ditch-filling activities had any negative consequences on existing
vegetation and if vegetation within these restored and enhanced areas resembled
the wet pine flat reference area (Table 2).
Table 2. Dominant vegetation at the pine flat reference area of the Eagle Brunswick
Tract.
Dominant Dominant
Overstor Shrub /Sa lin Dominant
Herbaceous
Pinus serotina Gordonia lasianthus Ilex glabra
Lyonia lucida Lyonia lucida
Cyrilla racemiflora
Ilex labra
Six circular plots were randomly located within restoration and
enhancement areas throughout the site (Figure 2). All species within these plots
were noted, however only pond pine and loblolly bay stems were counted towards
the total. Each plot surveyed had a 10' radius and, therefore, contained 314 ft2.
Because six plots were counted, the total area surveyed was 1884 ft2. To
extrapolate the vegetation to one acre, the total number of pond pine and loblolly
bay trees in the six plots was multiplied by 23.1.
5
3.3 Results
Based on data from the six vegetation plots, the Eagle Brunswick site
contained an average of 600.6 pond pine and loblolly bay trees per acre. This is
similar to results from 2001 (462 trees/acre), 2002 (508.2 trees/acre), and 2003
(646.8 trees/acre) and well above the 320 trees per acre criterion established in the
mitigation plan. Therefore, the vegetation criterion for 2004 was fulfilled.
Table 3. Number of pond pine and loblolly bay trees found in each plot at the Eagle
Brunswick Tract in 2004.
Plot # Pond Pine
Pinus serotina Loblolly Bay
Gordonia lasianthus
1 4
2 4
3 2 2
4 4 1
5 3 2
6 3 1
Total 12 14
As in previous years, other vegetation observed at Eagle Brunswick
included titi (Cyrilla racemiflora), sweet pepperbush (Clethra alnifolia),
fetterbush (Lyonia lucida), gallberry (Ilex glabra), and catbrier (Smilax spp.),
which were mainly found in the shrub and herbaceous layers. Exact counts of
these species were not made since they did not factor into the vegetation criterion.
4.0 Conclusions
Hydrology data from 2004 revealed that 20 of 21 monitoring gauges throughout
the restored and enhanced areas of Eagle Brunswick met the 12.5% wetland hydrology
criterion established in the mitigation plan. One gauge, C3, had a dead battery during a
large part of the growing season and was unable to document wetland hydrology for at
least 33 continuous days during the growing season. Based on data from previous years,
however, it is felt that this gauge would have recorded wetland hydrology had it been
functioning properly.
6
As stated on page 10 of the mitigation plan, several gauges were installed
throughout the tract in 1997 to evaluate the effects of the ditches on hydrology (Figure 2).
It was determined from these data that the ditches had a 300' drainage effect, which was
used to establish restoration and enhancement boundaries. The mitigation plan did not
require a direct comparison of pre-project and post-project data and all but two of the
gauges (D1 and D2; see Figure 2) were in different locations. However, a general
comparison of data from these gauges revealed that the ditches had a considerable
drainage effect. Gauges as far as 500' away from a ditch measured water levels that were
routinely 2-3' below the surface (Appendix A: Figures A.11 & A.12). After the ditches
were filled, groundwater levels rose to within 12" of the soil surface for most of the
growing season and reflected wetland hydrology. Even gauges located in enhanced areas
resulted in wetter hydrology after the ditches were filled (Gauges F & H compared to
Gauges D 1-D3 and A4-A6).
Vegetation monitoring found the Eagle Brunswick Tract to contain thick stands of
wet pine flat plant species such as gallberry, fetterbush, and sweet pepperbush (Appendix
B). In addition, an average of 600.6 trees per acre of pond pine and loblolly bay were
observed in the canopy and shrub layer throughout the tract. This value greatly exceeded
the vegetation criterion of 320 trees per acre of these two species.
Because both hydrology and vegetation criteria were achieved during the first
four years of monitoring, wetland mitigation at the Eagle Brunswick site can be
considered a success thus far.
7
Figure 1. Hydrology Monitoring, Gauge Al
Eagle Brunswick Tract; Restoration
2004
5
0
-5
-10
ra -15
-20
-25
30
-35
SO dais
----------
------------ -- ------------- ------ ----
--- ----------- ------------
----------

------------
---
-----
.-P,

-
beginning ofgro ing seas-,

----------
---------- end ofgrowing s
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
----------------- -----------------------
---------------------------------------------- aso
- -
--
--
6
5
3
2
1
-4 0 0
0a
?1. ti 'ti O ? 'ti o ti
I (S320479) M Rainfall (ink-12" below surface
Rainfall information provided by the National Climatic Data Note: 1 reading/day
Center; Wilmington International Airport station.
Figure 2. Hydrology Monitoring, Gauge A2
Eagle BrunswickTract; Restoration
2004
5
0
-5
-10
Ca -15
a;
-2 0
--25
30
-35
40
80 days
- -------- -------
LL
------------ ---
-- - - - - - - - - - --- - - - - - - - - - -
-------
------------ --------- ----------------
-----
beginning ofgrowi - .
g season $
--------- ------- -- ----- 4 =--------9---- -
t end of rowin seas --
n
--- ------ --------- ----- --- -------?
KA --
6
5
Y: • M
r
3
w
2
1
0
o°` o°` o°` o°` o°` o°` o°` o°` o?
?1o
+
--? (S342F37) -12" below surface MIRainfal] (in)
Rainfall information provided by the National Climatic
Data Center; Wilmington International Airport station. Note: 1 reading/day
Figure 3. Hydrology Monitoring, Gauge A3
Eagle BrunswickTract; Restoration
2004
5
0
-5
-10
Q -15
-20
-25
-30
-35
-AA
F',0 days

----- --- " ---- - ---
---------- -- -------------- -
.
,
?.- '
---------- --
- --
beginning ofgrow g se&
---------- ---- -,--------- -------------- --
- - - - - - - - - - - -

- - - - - - - - - - -
-LJLJ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
end ofgrowing
- - - - - - - - - - - - - - - - - -
eas
6
5
3
2
n
1
0
o°` ZN O° o°` o°` o° o° Z oK o°` o°` oZN o°`
^?
OAS S';;'ry0?'e 0'ti ?w
?- ?3 (S35386C) -12" below surface ORainfall (in)
Rainfall information provided by the National Climatic
Data Center; Wilmington International Airport station. Note: 1 reading/day
Figure 4. Hydrology Monitoring, Gauge A4
Eagle Brunswick Tract; Enhancement
2004
5
0
-5
a
C -10
-15
y
-20
-25
-30
-35
-4 0
80 days
'
--,' ---- -- ---
R:
_- Hsu ..?___--_____
-- - - - - - - - - - -
---------- ----- -- -- ,?3?---------- F----- ---
beginning ofgrowi g seas-,
` - - - - - - - - - - - - -
y
end ofgrowing s
aso
_ _ _ _ _ _ _ _ _ _
----------- _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
-------- ------- ----- --- -------------
---
01 I-
41
6
5
3 ~
2
1
0
O'` ON ZP1 Off` C l O'` O'` O'` O'` O'` Off` Off` CP` Z11
tio4? ti? ? ?oP4soh4"' 4b. ti??? 7:P; 0^o??w +0 c
A4 (S353A2C/353BOE)-12" below surface ORainfall (in)
Rainfall information provided by the National Climatic
Data Center; Wilmington International Airport station. Note: treading/day
Figure 5. Hydrology Monitoring, Gauge A5
Eagle BrunswickTract; Enhancement
2004
C
Y
b
0
_5
-10
-15
-20
-25
-30
-35
40
ginning ofgrowin season 79 days end ofgrowi se

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - -- - - - - - - - - - - -
- - - - - - - - - - -
-----------
_ _ _ _ _ _ _ -
___ ______ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
---- --------------------------
- _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
________ ______ _____

_
6
ison
5
3
2 S,
1
0
o°` oIK o°` o°` o°` o1` o° Z11 o°` ZN o°` oN o°` o°` oK
41?? QQtO?,a??oa? ?0 eo°?o^??4
zAS (S353ADE) -12" below surface WIRainfall (i
Rainfall information provided by the National Climatic
Data Center; Wilmington International Airport station.
Note: 1 reading/day
Figure 6. Hydrology Monitoring, Gauge A6
Eagle BrunswickTract; Enhancement
2004
S

Q
N
3
0
5
0
-5
-10
-15
-20
-25
-30
-35
A0
e innin of rowin season end ofgrowing se son
-
- ------------------------------ 42-days----------- ---
-------- ---------------- --------- ---

? T .
------------ ------
?>
------------ s
------------ ---- ------
---------- --
!
- - --- --- ----- ; , - -- - - - - -
-- - - - - -- ---- '1 - ---- ---- ---
6
5
4
S
2
1
0
off` off` ZN ON Off` oP` off` ob` off` QN, off` oI` off` Off` ob`
CP` po`???o°
E°6 (S144FBA) -12" below surface ORainfall (in)
Rainfall information provided by the National Climatic Note: 1 reading/day
Data Center; Wilmington International Airport station.
Figure 7. Hydrology Monitoring, Gauge B1
Eagle BrunswickTract; Restoration
2004
5
0
-5
-10
-15
-20
-25
-30
-35
-40

---------- - 3"------------... ---------.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- --------- -----
----
---------- 1
---
--

beginning ofgro -
-----------------
ing season end ofgrowing s
- --
aso

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
x.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - -
6
4
3
2
1
QP1 off` VA . Qn. 0
C?` CP` Off` Off` Off` Off` Off` Off` CF` Off` ?Q?C?`
R??o^
;Vl (S35398E) -12" below surface ORainfall (in)
Rainfall information provided by the National Climatic Note: 1 reading/day
Data Center; Wilmington International Airport station.
Figure 8. Hydrology Monitoring, Gauge B2
Eagle BrunswickTract; Restoration
2004
5
0
-5
-10
a?
Q -15
-210
-25
-30
-215
-4 0
e, 1 4ys
IS,
-
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - - .
. _ _ _ _ _ _ _ _ _ _
3
- - - - - - - - - - - - - - - - -- - - - - - - - - - --- -------------
beginning ofgrow g season
____ U
end ofgrowing s son
- - - - - - - - - - -

------ - - - - - - - - - - - - - - - - - - - -
e
---------------- ...,,.:-. -.. -- ------------

--

6
5
4
7y
3
2
1
0
o°` o°` o°` o°` oN
1044to????o?? Rojo^?? o Oc`^O+o
4
;62 <S2C7D36> ORainfall (in}-12" below surface
Rainfall information provided by the National Climatic Note: I reading/day
Data Center; Wilmington International Airport station.
Figure 9. Hydrology Monitoring, Gauge B3
Eagle Brunswick Tract; Restoration
2004
5
0
-5
-10
A
-15
-20
-25
-30
-35
40
c,3 days
----------
- - - - - - - - - - - - ------------- --------- z
---- - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - -
beginning ofgro_ - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ng season _ _ _ _ _ _ _ _ _ _end pigrowing s_
so_
- - - - - - - - - - -
--- ------
--- -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-------- --------- -- --- ------------
--- - -- ------ --- - -- -- -------- -- - - -
--
--
6
4
3
2
1
0
O?Oow^Oo? a o
N25'?O?e 1411 t -el
-- ?3 <S37851A> PERainfall (in?-12" below surface
Rainfall information provided by the National Climatic
Data Center; Wilmington International Airport station.
Note: 1 reading/day
Figure 10. Hydrology Monitoring, Gauge C1
Eagle BrunswickTract; Restoration
2004
5
0
-5
-10
A
-15
-210
-25
-30
-35
40
100 days
-.
- - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - ---- - - - - - - - - - - - - - - - - - - - -
----------
beginning ofgro
- - - - - - - - - - -
--- ------ ------- -----------------
ing season end ofgrowing s
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
----------------------- -- --- ------------ --
aso
- -
--
6
5
4
7
3
2 ""I
1
0
o°` 4K Z o°` o°` o°` o°` o°` o°` o°` o°` o°` o°` ot` o°`
<S2C7EE9> MIRainfall (ink-12" below surface
Rainfall information provided by the National Climatic
Data Center; Wilmington International Airport station. Note: treading/day
Figure 11. Hydrology Monitoring, Gauge C2
Eagle BrunswickTract; Restoration
2004
5
0
c -5
-10
Q
-15
_20
-25
30
-35
-40
;.-days
---------- --- :-------------------------
w> -
stopped reading
---- --- '------------- ------- --
----------
beginning ofgr ------ ---------------------------
wing season - _ _ _ end ofgrowing seas --
n _
---------- -------------- -------------------
-
----------
----------- ----------------- ----------------------
------------------------------------------- --
--
S 'J"
?
01 'yb
6
4
7O
R.
3
2
1
0
Off` Ob O? O? Off` Off` Off` ON Ob ?
? yiO? ti0 ?4{ h?? o?6 O?'?o0 OGOD
O 3 ti
,62 (353BC6)Rainfall (in}-12" below surface
Rainfall information provided by the National Climatic Data
Center; Wilmington International Airport station. Note: 1 reading/day
Figure 12. Hydrology Monitoring, Gauge C3
Eagle Brunswick Tract-, Restoration
2004 23 days
5
0
-5
-10
A -15
-20
29 -25
-30
-35
-4 0

7--
stopped reading
'
---------- ----- -u- ----------
------------------ --
5 _;

---------- -------- ---„ ----------------- ---
_beginning ofgro ing season end of growing s aso

-
----------- ----------------- ---------
------------------ --------------------- --
--
6
5
4
3
2
1
0
o°` Z°' o°` o°` ZN Ol ZIK oK Z°N O°` o°N
0?,ss?'LbNZ, y04? _ -'V ?t?OF'4t0? ??? ,? '?~F?4;0^??4OL 0ti Cr
^Oow??C10?'????3 (353B90) Rainfall (in?-12" below surface
Rainfall information provided by the National Climatic
Data Center; Wilmington International Airport station. Note: 1 reading/day
a
b
5
0
-5
-10
-15
-20
-25
-30
-35
140
-45
-50
6
5
4
3
2
1
0
CP 6CQ ?O? 1 Ob 10? Q? Ob CP M Ob CQ CP V CP
1 p? Ob Ot?CP Q?S
0
(S126FSF) Rainfall (in?-12" below surface
Rainfall information provided by the National Climatic Data Note: I reading/day
Center; Wilmington International Airport station.
Figure 14. Hydrology Monitoring, Gauge E2
Eagle Brunswick Tract; Restoration
2004
5
0
-5
-10
-15
Q
-20
-25
30
C7
-35
-40
-45
50
Figure 13. Hydrology Monitoring, Gauge E1
Eagle BrunswickTract; Restoration
2004
5`, dny!7
- - - - - - - --- - 1--------------------- - -
?------ -. --- ------------------------- ---- -
- - - - - - - - - - -

b-eiginning_nfgmw
- - - - - - - - - - - - - - - - - - - - - -
- -
gse --- _ _--- - - __ -- _
- - _ _ - - _ _ - _ _ _ _ _ _ _ _ _ - - 4-
- - - - - - -------- ---------9---
end of rowing s
aso
----------
----------
- - - - - - - - - - - ------- - ------------- ?
--------------- ------------------
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
--
- - -
„ 50 days

-Ile -
f ----- ---- ------------ - - ------ ----
-
- -
-

- ---

g ----------------------
-----------
beginning ofgrowi -- ----------------------
gseasr-n r ,''
- ------- -------------
'
-
- -

-----------
----------- ----- - -- --------------
endofrowing sea
----------------- -------------------
--------------------------------------------
on
---
---
6
5
4
a ?
2
1
0
1>2 (S2EACFA) m Rainfall (inj-12" below surface
Rainfall information provided by the National Climatic Data
Center; Wilmington International Airport station. Note: I reading/day
Figure 15. Hydrology Monitoring, Gauge E3
Eagle BrunswickTract; Restoration
2004
0
_ -5
-10
.C
-15
-20
-25
-30
-35
-40
-45
-50
U dy'S
? z

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

¢-
_ _ _ _ - _ _ _ _ _ _ - _ _ _ _ _ _ --
- - - - - - - - - - - - - - - - - - - - - - ??
- z„
.
-beginning bfgr ' -------- '-----------
ingsea,op, -
------
- - - - - - - - - - -
----------- ----- -- ' ------ en-d-ofgrowing
- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
----------------- - ------------------- s

---
1P1 o°
-cl
01 ?? X04
6
5
4
i
n2 S
1
0
cP ° cP ?o° 6,eP dK o°` o°° QP ZIK
ti? ti? oh ?? ti '
03 (S214018) =Rainfall (in)-12" below surface
Rainfall information provided by the National Climatic Data
Center; Wilmington International Airport station. Note: I reading/day
Figure 16. Hydrology Monitoring, Gauge D 1
Eagle BrunswickTract; Enhancement
2004
5
0
-5
-10
A -15
-20
-25
-30
-35
-A0
`108 days

----------- ---- --------------------------
]
---------- ------ ------
---------- -------
---------- ----- --- - - --------; ------------
*7 --

- -- end of growing
seas
------ --------9-- n
beginning ofgro ing season
----

- - - - - - - - - - - ---------- y?.n. -----------------
-
- - - - - - - - - - - - - - - - - - - - - - - - - --
6
l
4
7y
3
2
1
0
o°` o° o°` o° o°` )N
"pOo#0 V1aCPC
01 (S3697DA) ORainfall (in)-12" below surface
Rainfall information provided by the National Climatic Note: I reading/day
Data Center; Wilmington International Airport station.
Figure 17. Hydrology Monitoring, Gauge D2
Eagle Brunswick Tract; Enhancement
2004
5
0
-5
-10
-15
20
-25
-30
-35
40

----------
- - - - - - - - - - - ---- ----"--------------i_
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- -
-----------
beginning ofgro ------- ----- -----------------
ing season end ofgrowing s
----------------- --
aso
----------
----------
----------- --------------- -----------------
----------------- ------------------
-------------------------------------------- --
--
--
6
s?5
4
7y
3
2
I
0
o° o° o° o°` o°` o°` o° o°` o°`
O?sz, '0sa? 'P No?gtoh "o^5?4 0l ^??lso
I%S2 (S3783F2) - Rainfall (inj-12" below surface
^i '
Rainfall information provided by the National Climatic Note: 1 reading/day
Data Center; Wilmington International Airport station.
Figure 18. Hydrology Monitoring, Gauge D3
Eagle Brunswick Tract; Enhancement
2004
J
0
-5
-10
Q -15
-20
-25
-30
-35

------------- ---- - - - - ------------
- - ----- »:--, ------- }---------------- --

_ _ _ _ _ _ _ _ _ _ _ k>
_ _ _ _ _ - _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _
--beginning-6fgrowi
----------- gseason ---------- ------- endofgrowing
------------------------------------------ aso
--
-4 0
ZN
S? ??s Oro
o? ??, moo,

5
4
w
3
,2
1
0
rti
=,03 (S1271FD) Rainfall (in)-12" below surface
Rainfall information provided by the National Climatic Data
Center; Wilmington International Airport station. Note: treading/day
Figure 19. Hydrology Monitoring, Gauge F1
Eagle Brunswick Tract; Restoration
2004
C?
?i
5
0
-5
-10
-15
-20
-25
-30
-35
-40

`, --
-- ---------------------------
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
----- ----- -- - ,; ------- --

--- - in - g - o-fg r -o
beg in n -in-gs--e as. --- - ----- ---- ---
.- --

-----------
------------ -,., end ofgrowing se
- ----------------
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Note: 1 reading/day
Figure 20. Hydrology Monitoring, Gauge F2
Eagle BrunswickTract; Restoration
2004
5
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5
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Figure 21. Hydrology Monitoring, Gauge F3
Eagle BrunswickTract; Restoration
2004
?,5 days
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Rainfall information provided by the National Climatic Data
Center; Wilmington International Airport station.
Note: I reading/day
Figure 22. Hydrology Monitoring, Gauge R1
Eagle Brunswick Tract; Reference
2004
S
Q
5
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Deference I (S378395)ORainfall (in)-12" below surface
Rainfall information provided by the National Climatic Note: 1 reading/day
Data Center; Wilmington International Airport station.
Figure 23. Hydrology Monitoring, Gauge R2
Eagle Brunswick Tract; Reference
2004
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Rainfall information provided by the National Climatic
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Figure 24. Normal Rainfall Distribution
Wilmington International Airport
2004
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29
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Figure 1. Vicinity map of Environmental Consultants Wilmington Bypass Project
the Eagle Brunswick Tract. Wilmington, N.C. Brunswick County, NC
December 2004 Year Four Monitoring Report
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X Vegetation monitoring plot
A Pre-project monitoring gauges
SCALE 1" = 1000'
Note: Gauges D1 and D2 are in the same location as pre-project gauges B and C.
Land Management Group, Inc. The Eagle Brunswick Tract
Figure 2. Hydrological gauge Wilmington Bypass Project
transects and vegetation Environmental Consultants Wilmington, N.C Brunswick County, NC
N.C. plot locations. December 2004 Year Four Monitoring Report
- - - Power line corridor N
F, Aw
JAN t 3 2003
?'wSti?if
Eagle Brunswick Tract
Year Two Monitoring Report
Brunswick County, NC
Prepared for:
ECOBANK
Winter Park, FL
Prepared by:
Land Management Group, Inc.
Wilmington, NC
November 2002
i
Table of Contents
1.0 Introduction ........................................................................................................................1
2.0 Hydrology ...........................................................................................................................2
2.1 Success Criteria .........................................................................................................2
2.2 Methods .....................................................................................................................2
2.3 Results .......................................................................................................................3
3.0 Vegetation ........................................................................................... ............................5
3.1 Success Criteria ........................................................................................................5
3.2 Methods .....................................................................................................................5
3.3 Results .......................................................................................................................6
4.0 Conclusions .........................................................................................................................6
ll

Tables, Figures, and Appendices
Table 1. Groundwater monitoring results for Eagle Brunswick gauges .............. 4
Table 2. Dominant vegetation at the reference area of Eagle Brunswick ............. 5
Table 3. Number of pond pine and loblolly bay trees found at Eagle Brunswick... 6
Figure 1. Vicinity map ....................................................................... 9
Figure 2. Location of monitoring gauges and vegetation monitoring plots
at site .............................................................................. 10
Appendix A. Hydrographs
Figure A.1. Hydrology Monitoring, Gauges Al, A2, & A3
Figure A.2. Hydrology Monitoring, Gauges A4, A5, & A6
Figure A.3. Hydrology Monitoring, Gauges B1, B2, & B3
Figure A.4. Hydrology Monitoring, Gauges Cl, C2, & C3
Figure A.5. Hydrology Monitoring, Gauges D 1, D2, & D3
Figure A.6. Hydrology Monitoring, Gauges E1, E2, & E3
Figure A.7. Hydrology Monitoring, Gauges Fl, F2, &r3
Figure A.8. Hydrology Monitoring, Gauges Rl & R2
Figure A.9. Rainfall Analysis for Year 2001
Figure A.10. Rainfall Analysis for Year 2002
Figure A.11. Hydrology Monitoring, Pre-Construction Gauges G, A, B, C, H
Figure A.12. Hydrology Monitoring, Pre-Construction Gauges G, D, E, F, H
Appendix B. Pictures of site
iii
.
Eagle Brunswick Tract
Year Two Monitoring Report
Brunswick County, NC
1.0 Introduction
As part of mitigation for unavoidable wetland impacts associated with the
construction of the Wilmington Bypass by the North Carolina Department of
Transportation, ECOBANK proposed to utilize restoration, enhancement, and
preservation mitigation at the 451-acre Eagle Brunswick tract, located in Brunswick
County, North Carolina (Figure 1) as described in Revised Compensatory Mitigation Plan
for the Eagle Brunswick Tract dated July 21, 2000. This tract historically consisted of
pine flat and pocosin habitats, much of which was ditched and drained due to silvicultural
purposes.
In order to restore wetland hydrology at the Eagle Brunsick tract, all on-site
ditches were filled in December of 1999. Automated groundwater monitoring gauges
were then placed in transects throughout the site to collect hydrology data. Although the
mitigation efforts did not include planting wetland vegetation vrithin the pocosin and pine
flats, six monitoring plots were located within the site and existing vegetation was
analyzed to verify that the ditch-filling has not negatively affected species composition or
numbers.
In addition to the pocosin and pine flats mitigation, approximately four acres
(1700 linear feet of stream) of stream/headwater riverine wetlands were restored at the
northern end of the tract by filling a ditch, reestablishing wider slopes and natural
sinuosity, and planting 2000 seedlings along the bank. Because this area was not counted
towards the mitigation credits, neither hydrologic nor vegetation monitoring were
conducted here. However, many of the planted trees appear to be surviving (Appendix
B).

The hydrology and vegetation data collected throughout the past twelve months
are presented in this document and will be monitored for at least a total of five years, or
until the project is deemed successful.
2.0 Hydrology
2.1 Success Criteria
According to the Eagle Brunswick Tract Mitigation Plan, the wetland
hydrology success criterion for this site is the establishment of a static water table
at or within 12" of the soil surface, ponded or flooded for 12.5% of the growing
season during normal precipitation conditions. The growing season in Brunswick
County extends 265 days, between March 7 and November 28. Normal
precipitation is defined as total monthly precipitation falling within the 30'h and
70ffi percentiles of a 30-year period. Therefore, to meet the success criterion, the
water table should remain at or within 12" of the soil surface for at least 33
consecutive days between March 7 and November 28. However, because of
awareness in the scientific community that undisturbed pocosin/pine flat wetlands
do not always meet this 12.5% threshold, this criterion is subject to redefinition
based on groundwater results from the reference gauges, as stated on page 16 of
the mitigation plan. A redefinition of the hydrological success criterion is not
requested in this monitoring report.
2.2 Methods
In December of 1999, several ditches that transected the Eagle Brunswick
Tract were filled to restore wetland hydrology to the 451-acre site. As stated in
the mitigation plan, a total of 23 automated groundwater monitoring gauges were
installed throughout the site to monitor groundwater hydrology for at least five
years. Fifteen of these gauges were located in restored wetlands, six gauges were
installed in enhanced wetlands, and two gauges were placed in reference wetlands
located on site (Figure 2). Hydrology data from the gauges located in restored
and enhanced areas have been compared to data from the two reference gauges.
2
At the Eagle Brunswick site, four gauges were installed within restored
wetlands at the end of 1999. The remaining gauges in restored areas and reference
areas were installed in the summer of 2000. Finally, six gauges were installed
within enhancement areas at the end of October, 2000.
2.3 Results
Of the 21 gauges located within the restored and enhanced wetlands, 13
met the hydrology success criterion for the year 2002 (Table 1), which is a water
table within 12" of the soil surface for 12.5% of the growing season (33 days). As
shown in Appendix A, the only time during the growing season when gauges
documented wetland hydrology for an extended period of time was in September
of 2002, during significant rainfall. Several gauges had dead batteries or were
broken during this period (A2, A6, B2, C1, & F3) and, therefore, were unable to
document wetland hydrology for at least 33 continuous days during the growing
season. Based on previous data, however, it is felt that these gauges would have
been recording wetland hydrology had they been functioning properly. Gauges
El, E2, and E3 were reading throughout the year, but did not meet the success
criterion of wetland hydrology for 33 continuous days. The reference gauges (Rl
and R2) located within the tract reflected the same patterns as the other gauges,
and documented wetland hydrology for 36 and 35 days, respectively.
According to the National Climatic Data Center, North Carolina
experienced its driest recorded year between September of 2001 and August of
2002 (NCDC). This is reflected in the rainfall analysis for 2002 (Appendix B).
The 30-day running total shows below normal rainfall for approximately five
months; January, February, May, June, and part of August. However, heavy
rainfall in September of 2002 pushed the running total far above average during
this month. The lack of rainfall has affected the hydrology at the Eagle Brunswick
tract, including the reference areas, and explains the large difference in hydrology
results between 2001 and 2002 at this tract (Table 1).
Table 1. Groundwater monitoring results for gauges located within the Eagle Brunswick Tract.
Type Gauge
Number Serial
Number 2001
# of Consecutive
Days
above 12" 2002
# of Consecutive
Days
above 12"
Restoration Al S320479 89 35
A2 S342F37 89
A3 S353973 89 35
B1 S35398E 90 36
B2 S2C7D36 89 24*
B3 S37851A 91 35
C1 S2C7EE9 128 16*
C2 S213C85 57 35
C3 S3531390 128 35
E1 S126F5F 85 25
E2 S2EACFA 85 25
E3 S214018 83 19
F1 S2D44E2 98 35
F2 S2EA974 gauge stolen 35
F3 S353A85 77
Enhancement A4 S353A2C 35
A5 S353ADE 35
A6 S144FBA
Dl S3697DA 53 39
D2 S3783F2 39
D3 S1271FD 28 39
Reference R1 S378395 9 36
R2 S317403 11 35
* Gauge stopped reading during growing season.
3.0 Vegetation
3.1 Success Criterion
As established in the mitigation plan, the vegetation success criterion for
the Eagle Brunswick site was a minimum of 320 trees per acre, specifically of
pond pine (Pinus serotina) and loblolly bay (Gordonia lasianthus).
3.2 Methods
Although no wetland vegetation was planted within the pocosin or pine
flats restoration and enhancement areas at Eagle Brunswick, vegetation
monitoring was included as a part of the mitigation plan in order to evaluate
whether the ditch-filling activities had any negative consequences on existing
vegetation and if vegetation within these restored and enhanced areas resembled
the wet pine flat reference area (Table 2).
Table 2. Dominant vegetation at the pine flat reference area of the Eagle Brunswick
Tract.
Dominant Dominant
Oversto Shrub/Sa lin Dominant
Herbaceous
Pinus serotina Gordonia lasianthus Ilex glabra
Lyonia lucida Lyonia lucida
Cyrilla racemiflora
Ilex glabra
Six circular plots were randomly located within restoration and
enhancement areas throughout the site (Figure 2). All species within these plots
were noted, however only pond pine and loblolly bay stems were counted towards
the total Each plot surveyed had a 10' radius and, therefore, contained 314 ft2.
Because six plots were counted, the total area surveyed was 1884 ft 2. To
extrapolate the vegetation to one acre, the total number of pond pine and loblolly
bay trees in the six plots was multiplied by 23.1.
3.3 Results
The Eagle Brunswick site contained an average of 508.2 of pond pine and
loblolly bay trees per acre. This is similar to results from 2001 (462 trees/acre)
and well above the 320 trees per acre criterion established in the mitigation plan.
Therefore, the vegetation criterion for 2002 is fulfilled.
Table 3. Number of pond pine and loblolly bay trees found in each plot at the Eagle
Brunswick Tract in 2002.
Plot # Pond Pine
(Pinus serotina) Loblolly Bay
(Gordonia lasianthus)
1 None (logged) 2
2 3
3 1 3
4 4
5 4 2
6 2 1
Total 11 11
Other vegetation observed at Eagle Brunswick included titi (Cyrilla
racemflora), sweet pepperbush (Clethra alnifolia), fetterbush (Lyonia lucida),
gallberry (Ilex glabra), and catbrier (Smilax spp.) which were mainly found in the
shrub and herbaceous layers. Exact counts of these species were not made since
they did not factor into the vegetation criterion.
4.0 Conclusions
Hydrology data from 2002 revealed that 13 of 21 monitoring gauges throughout
the restored and enhanced areas of Eagle Brunswick met the 12.5% wetland hydrology
criterion established in the mitigation plan. However, eight gauges did not achieve the
criterion. Five of these gauges (A2, A6, B2, Cl, & F3) were broken or had malfunctioned
during September of 2002, which was the only time any gauge recorded wetland
hydrology for a significant period of time. Had these gauges been functioning properly
during this time, they most likely would have met the success criterion. Three other
gauges (E1, E2, & E3) collected data throughout the year but still did not meet the
success criterion. This was likely because of the dry conditions experienced throughout
the region. Because this transect is closer to the property boundary than the other
6
transects, outside influences such as existing ditches on the adjacent property, may be
affecting the water levels. However, under normal conditions this transect would likely
meet the success criterion, as it did in 2001.
North Carolina is experiencing a drought and had its driest recorded year between
September of 2001 and August of 2002 (NCDC). During this time period, only 42.28" of
precipitation fell on the region. The average annual rainfall for this area is 56.25". This
lack of rainfall affected the hydrology at the Eagle Brunswick tract, including the
reference areas. The hydrology success criterion requires wetland hydrology for 12.5% of
the growing season during normal precipitation conditions. In light of the below average
rainfall during the report period (Appendix A), the hydrology results for this tract can be
considered a success.
As stated on page 10 of the mitigation plan, several gauges were installed
throughout the tract in 1997 to evaluate the effects of the ditches on hydrology (Figure 2).
It was determined from these data that the ditches had a 300' drainage effect, which was
used to establish restoration and enhancement boundaries. The mitigation plan does not
require a direct comparison of pre-project and post-project data and all but two of the
gauges (D1 and D2; see Figure 2) are in different locations. However, a general
comparison of data from these gauges reveals that the ditches had a considerable drainage
effect. Gauges as far as 500' away from a ditch measured water levels that were routinely
2-3' below the surface (Appendix A: Figures A_ 11 & A.12). After the ditches were filled,
groundwater levels rose to within 12" of the soil surface for most of the growing season
and reflect wetland hydrology. Even gauges located in enhanced areas resulted in wetter
hydrology after the ditches were filled (Gauges F & H compared to Gauges D1-D3 and
A4-A6).
Vegetation monitoring found the Eagle Brunswick Tract to contain thick stands of
wet pine flat plant species such as gallberry, fetterbush, and titi (Appendix B). In
addition, an average of 508.2 trees per acre of pond pine and loblolly bay were observed
in the canopy and shrub layer throughout the tract. Although this exceeds the vegetation
criterion of 320 trees per acre of these two species, these values were lower than numbers
observed in the Dale Tract because sections of the Eagle Brunswick tract have recently
been logged.
7
Because both hydrology and vegetation criteria were achieved during year one
and year two monitoring, wetland mitigation at the Eagle Brunswick site can be
considered a success thus far.
29
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BLUFF Ri
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Figure 1. Vicinity map of
the Eagle Brunswick Tract.
Land Management Group, Inc.
Environmental Consultants
'Kilmington, N.C.
November 200?
0 0.5 1 2
SCALE 1" = 1 NIILE
The Eagle Brunswick Tract
Wilmington Bypass Project
Brunswick County. NC
Year Two Monitoring Report
Richards ViK
?"- - 5
421
Co
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X Vegetation monitoring plot
Pre-project monitoring gauges
SCALE V = 1000'
Dote: Gauges Dl and D2 are in the same location as pre-project gauges B and C.
Land Management Group, The Eagle Brunswick Tract
Figure 2. Hydrological gauge g p, Inc. Wilmington Bypass Project
transects and vegetation Environmental Consultants Brunswick County, NC
Wilmington, N.C.
plot locations. November 2002 Year Two Monitoring Report
- - - Power line corridor
Figure A.1. Hydrology Monitoring, Gauges A1, A2, & A3
Eagle Brunswick Tract, Restoration
o to
-6 -- -------- ---
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12
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e AI (5320479) +A2(S342F37) FA3 (5353973) -12" below surface W-Mall
Rainfall information provided by the National Climatic Data Center;
Wilmington Inmmetional Airport station. Note: 1 readingg'day
Figure A.1 contd. Hydrology Monitoring, Gauges A i, A2, & A3
Eagle Brunswick Tract; Restoration
0
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01 01 01 01 01 Al Al 01 01 91 01 P1 0~ Pti
o- AI (5320479) +A2 (S342F37) * A3 (5353973) -12" below surface iraveFall
Rainfall imformation provided by the National Climatic Data Center; Note I readinglday
Wilmington International Airport statist.
Figure A.1 contd. Hydrology Monitoring, Gauges A1; A2, & A3
Eagle Brunswick Tract. Restoration

10
D
-6 ----- --------------------- --- ---------- -------------------- - -
8

12
.5
°' -
-------
--------
-
1
6
a
A -1s - ---
-
--
----
-
-
----------------- - ------ --

24

--- - ---
- ---------------- ----- d

..
4

30 = - - --- ----- - - ----------- - -----
-----
i.
-- + 2

-42 0
Off' 01' Ory ?' Off' Off' Off' Off' 01' Qti Qti P?' Pry pry Oti

1 Q? BC -OC S ?S A9^? 'j,.N
>
1
1
0
O'
Y"
1
'ti
C,
'
"',
O \
1
n?
ry
1
,l
OT
`Y r11
r1
p1; 4
4 O.
Al (5320479) + A2 (S342F37) * A3 (5353973) -12" below surface rainfall
Rainfall i nfamatim provided by the National Climatic Dab Cmtc, Nmc: 1 readingiday
Wilmington International Airport station.
Figure A.l contd. Hydrology Monitoring, Gauges Al. A2, & A3
Eagle Brunswick Tract; Restoration
0 8
-6
6
-12
.s
0.
A -1s
4 0
---------- -------------------
-24 5.
-30
2
------- --- ------ ---- ------------------
-36
-42 0
Qti oti pti oti oti oti ory oti oti Qti oti Qti oti oti oti oti oti Oti
so Sp so V 0 Q° 406c 40?yQ 0 Poi ^SeC aSmQ `?04 ??04
O? O? 1?' tilt rl°t O? 1 'L `L p'h' 10 11 'U ?, O 1 `L `4
AI (S32D479) -F A2 (S342F37) * A3 (5353973) - 12" below surface !rainfall
Rainfall Wbrmatim provided by the National Climatic Data Curter, Notes I readuiSMal
tvlmingtat International Airport station.
A

0
-6
-12
.5
sa
w -18
A
-24
-30
-36
-42
Figure A.2. Hydrology Monitoring, Gauges A4, A5, & A6
Eagle Brunswick Tract: Enhancement
- - a --` ` --gym ----------? -
------ Q!. b
4
----c--------------- -A
e.
A P A k
--- - ------------ b
f
-------------------------------------
G. ig...---------?---- -------------------------------- ¦--------------
10
8
6
4
2
0
.?O ?§O -.0 so 4'0 Soo 5oQ ya Soo
p'ti p6 15 .1'1% ryq pb 1 ti ti p.y 1p• 1?- 'Y ^71 Z '1A ri+ 'Y6
A4 (S353A2C) * A5 (S353ADE) A- A6 (SI44FBA) -12" below surface Orainfall
Rainfall information provided by the National Climatic Data Curler, N.W I r.din! id.y
Wilmington International Airport station.
Figure A.2 contd. Hydrology Monitoring; Gauges A4, A5, & A6
Eagle Brunswick Tract., Enhancement

10
0
-6 -----------------------------------------------------------------
8
Z -12
°
A -18 --------- ---------------------- ------------------------------ 6
.
?
m

?
?

-24

,yea--------------- ----------------------------------- - -----------
R

4
-30 t - ------- ------------------------------------------------
r •. -

-42 0
O? O~ O~ Off' Off' O? O? O? S?'1 O~ }11 O? O? Off' Off' Off' Off'
o`` o`` boa ?04, ° ?aa q`` .q`` q* 4 qG` ?R
ti
6'
°
'
q'
'
'
r
'
t
'ff
E:
~
?
O 0
1
7
rbti r1
O
7
`
{; 1q ,yb p?
1? tit ,yD
,yti O
1
,1
r1
+A4(S353AW) A A5 (S353ADE) kA6(SS44FBA) -12"W wsurfeeeMRainfall
Rainfall information provided by the National Climatic Data Center; None I r.di ngiday
Wilmington International Airport station.
Figure A.2 contd. Hydrology Monitoring, Gauges A4; A51 & A6
Eagle Brunswick Tract-, Enhancement
0 10
-6 --------- - ---------------------- -------- -------------------
fia;,? s
s -12 -
:
6
q -18 --- -------------. ---4'- t?'.
-------- ----- -----------------
? d
_ '____ d' _e _ __________________________
-24 0 -30 --'" --u---------------------------°f-- ------ ~5•,? .
h,
2
-36 -.- - -,a, ----- ------------------- ----- -` ---- _?1_k
-42 0
ory ory ory ory ory pry pry pry pry pry ory ory ory pry pry '& pry pry
_o? t ?Og {?0?
oti o? ti5' ,yN o? o? ?h' ,yti rye' o`' ?ry 1?1' ryID C^?n?C. ?o' ,/?'C? ?p'S" ^?l
+A4 (S353A2C) +=• A5 (S353ADE) a A6 (SI44FBA) -12" below surface rainfall
Rainfall information provided by the National Climatic Data Cen[rr• NWe: 1 readbtgtday
Wilmington International Airport station.
Figure A.2 contd. Hydrology Monitoring, Gauges A4 & A5
Eagle Brunswick Tract; Enhancement
o 10
------------------ - ry ---
-12 _
__ 6
m 1. _
-
1 }
o i 1
2
nom.
----- ------
-36 n - -t-! - - ,y; -------- j - ------
-42 0
?o??ry ?`?Qry ?Cpry J56ry vQOry ?S'ry J4 ry o4 e4 ry e??ry e4 ry
ry?°'
pl 'Z ryti 'V ob ,'y'
+A4 (S353DOE) + A5 (S353ADE) -12" below surface ®ramfall
Rainfall irdormatim provided by the National Climatic Data Cents.
Wiir=gtm [aternabooal Airport AAA- Nuts: I readine'day
Figure A.3. Hydrology Monitoring; Gauges B1, 132, & B3
Eagle Brunswick Tract, Restoration
-6
S -12
-18
A
-24
0
0 -30
-36
-42
- q4`1 ------------------------------------------------------------
O-\ O\ O~ O\ O\ O\ O\ O~ O\ O\ O\ O\ O\ A\ O~ O\ O\ O\
:30 ?O , ?? p 3
0? ??,` Soo 04 6? 5e4
O3, 04 \°7' 1'U .y9 Obi \ 'y 'L O'S' \O .?1' nr1 O'V' 1-el '? ti-
<-Bl (S35398E) -0 B2 (S2C7D36) +B3 (S37851A) -12" below surface rainfall
Rainfall information provided by the National Climatic Data Center, Note: 1 readingiday
Wilmington International Airport station.
6
0
-6
.5
-l2
Q
d -l8
-24
-30
-36
-42
Figure A.3 contd. Hydrology Monitoring, Gauges B 1, B27 & B3
Eagle Brunswick Tract; Restoration
-"P?1-?-, o? -------------------------------------------------?'""'-
--- b- -",; ------------------------------------- ---?7§gY111t
-----------------------------------
- - - - - - - - - - - - - - - - - - - - -
IV
8
6
w
4
2
0
10
8
6
m
4
2
0
O~ O\ O~ O\ O\ O, O\ O\ O\ O\ O\ }l~ O\ O\ Off' OR' 01' Off'
\'?o'? 60a? ?at? n+?d`Opc\ boa boa \yo° boa ?Ga ,9c° ,9e.° n90° 9c° ^?oo p??S ,?QO ?
O O 1 °l, 'L 05' \1' \?1' r46' O^S \O' \'?' •V na1 O \ 'y 'L
b Bl (S3 5398E) * B2 (S2C7D36) : B3 (S37851 A) -12" below surface W rainfall
Rainfall information provided by the Natimal Climatic Data Center, Note: 1 rc.dmgtday
WitmuVon International Airport station.
Figure A.3 contd. Hydrology Monitoring; Gauges B 1; B2, & B3
Eagle Brunswick Tract; Restoration
0
5 -12
d
A -18
a
? -24
-30
-3-
-42
014
----l-4_----_----__FA -y__?,_y _- .t--------------------------------- l
--- R --------------------------- It --- ------ - -
-?I
---------------------------
i
--- ---------------------------------------------- -- --------
----------------------}-------------------------------------------1
10
8
6 ro
4
2
0
oti oti oti oti pti Ati oti oti oti 5P Ary oti pti oti Ati oti Ati oti
4`d 4`' 4t ct'° t('°" 4,9" " PAS FRS FRS to .10 -40 40 40
-o-Bl (S35398E) ?B2(S2C7D36) -I-B3(S37851A) -12" below surface Mrainfall --
Rainfall information provided by the National Climatic Data Cemer,
'Wilmington Intematimrel Airport station.
Figure A.3 contd. Hydrology Monitoring, Gauges B1, 132. & B3
Eagle Brunsv ick Tract; Restoration
-6
5 -12
v -18
A
a -24
0
-30
-36
-42
Note. I readugtdas
------------------------i ---?'-?'----- ----------i------------------
0.
7: ------ -------------------
-------------------
------------ -----------------
- ----- Ian k.----------- - ----------------
10
8
6y
m
4 5.
2
0
??'ry??"ry?3'ry?? ry?3`Ary ?o??? ?o??ry ?o??ry ?o??? pry p°o?? p6pry o? ry o?p?go4?ry?c4 ry5c4 ry5c4 ry
O~ 04' .t5' ?ti 19 O? ti" f ry0 .y? o? P ,oP
-0-BI (S35398E) 4 B2 (S2C7D36) --B3 (S37851A) -12" below surface ®rainfall
Rainfall information provided by the National Climatic Data Center, Nm e I rc dugadm
Wdmingtoo Imematimal Airport station.

Figure A.=1. Hydrology Monitoring, Gauges C 1; C2, & C3
Eagle Brunswick Tract; Restoration
0 ° 10
A
I
-6 f ---- - - --------------------------- 8
l2
.S
a -
-18 ------------------------------------------------------- 6 A
d
b -24 ---- ------------------------------------------------------- 4
-30
2
-36 --------------- --- --------------
-111
-42 - k-- t -Al- 0
ON O? O? 01 O? O~ 01 O? O? X11 O,' O? }1~ O~ O? O? 01 01
rySa9 aC ^, so?,5e4 ?SeQ
°Cl (S2C7EE9) -C2 (S213C85) T-C3 (S353B90) -12" below surface MMrainfall
Rainfall information provided by the National Climatic Data Cents. Note: I reading day
Wilmington International Airport station.
18?0 Figure A.4 contd. Hydrology Monitoring, Gauges CL C2_ & C3
6
0
-6
c -12
A
-18
ib
o -24
i5
-30
-36
-42
Eagle Brunswick Tract; Restoration
---------------------------------------------------------y
_____- -----------------------------------------------------
_---__-____ ____-------------------------- _ ___
-------------------
------ w -- - --------
la
8
6 ?y
5
p
4
2
0
}11 Off' Ory Off' 01'
Ol 11 %31 ON is, 611 ON ON O~ O? is,
L`" ,& o?f fie- O?f o4 oA o4' o"y ec,
o? ,y' ryti ry? o?z' ?ryti' ,??' rybs? o?A ?oA ,^A ?9 ?`9 v
Cl (S2C7EE9) -A-C2 (S213C85) v 0 (S353B90) - l2" below surface .rainfall
Rainfall information provided by the National Climatic Data
Center, Wilmington International Airportstation.
Nwc: i -dina'day
0
-6
12
.5
r„t
a 18
A
m
24
-30
-36
-42
Figure AA contd. Hydrology Monitoring, Gauges C 1, C2, & C3
Eagle Brunswick Tract; Restoration
---------------- ''- - -------------------------------------
- _ BA---- _ _ _____________ 4 ---______
------
----------------------------------------- ?-- ------
----------------------------------------------------------
10
8
6
m
4 S
2
0
01' 01' Off' Off' Q1' ; 01' QR' Off' 01' Off' Q1' 01' 01' 01'
4? c " c 4c ?e? ?s? , ? IV qR 1 ? ?a8, ?v? ?aK 9
p? pO ti5' .l'V p1 p? 15 tit' 19' p5' 1ti ti°I' 'yti pnj ?p .?r?' tiN n1
Cl (S2C7EE9) C2 (S213C85) v 0 (S353B90) -12" below surface rainfall
Rainfall information provided by the National Climatic Data Cmtw. Note: 1 reading'day
Wilmington international Airport station.
Figure AA contd. Hydrology Monitoring, Gauges C 1; C2, & C3
Eagle Brunswick Tract; Restoration
0 10
8
12
5
a - a------------------ 6
p -18 -
« m
3 -24 - - -
w
-30 ------ - ---------------------- ------------------
,? =eQa 2
-36 c a -4? ---- ---- ------------ ? ---------------
-42 0
oti oti oti oti oti oti oti oti it, Qti oti oti oti Qti oti oti oti pti
???? 0?3 ^??" Po$ Qo? Pp?a Qo? Pig goo goo goo ge4
-31
p1' O? 15 tiff ,IQ O ? 'L 'L p^i ?O tit' `l4` .y1 p?" 1b` .y1 'ye
CI (S2C7EE9) A- C2 (S213C85) $ 0 (S353B90) -12" below surface (rainfall
Rainfall information provided by the National Climatic Data Center Not. t readne day
Wilmington International Airport station.
Figure A.5. Hydrology Monitoring; Gauges D1, D2. & D3
Eagle Brunswick Tract: Enhancement
10
8
V 12
----------------------- -------' 6
-24 ---- ------------------------------- ------ 4 .'.
-30 --------------- --
2
-36 ---------------- ------------
IL ?2 0
1?1 & 1:?, & 431 1?1 O. is, O~ ON 131 431 A? 5?1 lc?l O? O, %?,
SO NO SO SO 1?0 41 41 ?? IP -1; -11 _5 -11 1 10 . I __I ,
4DI (S3697DA) tD2(S3783F2) -A-D3 (S127]FD) -12"belowsurface Wrainfall
Rainfall infarmation provided by the National Climatic Data Center,
Wiminglon International Airport station. Note: 1 readiug?Jay
12
6
0
-6
a
n 12
`v
B., -18
? -24
30
-36
-42
c?:
OHO
Rainfall inforrnatim provided by the Natimal Ctimatic Data Center,
Wilmington International Airport station.
Figure A.5 contd. Hydrology Monitoring, Gauges Di, D2, & D3
Eagle Bnutswick Tract-, Enhancement
-- _? ---------------------------------------------------------------I
._____ - ?________________ _ _o;--__________?
-- ------ -------- - -
t qy _ F l?+ly?i
- - - - -
-------- - - -----'f{.F,-- - - 'attyaa111
--------------- ----- - - ----- ----- - -1
10
8
6
m
4
2
l fl - 0
O? O? O? O? O? yl? O? O? O~ O? O? O? O1 O~ 01' OR' Off' Off'
o- D l (S3697DA) - D2 (S3783F2) k D3 (S 1271FD) -12" below surface ®rainfall b
Nota I readioa+d:g
Figure A.5 contd. Hydrology Monitoring; Gauges D1, D2- & D3
Eagle Brunswick Tract; Enhancement
0
-6
-12
La -18
-42 ------- ------------------
-24
0
-30
-36
t.l -------------
------ -
--- -----±-'- ------------------------µ `6k ---
---------
? -------- -L---------------------------------'i -----`
--
--------- - ----------a--------------------------------------------
10
8
6
w
4
2
0
O'1' O'1' Off' Off' OR' Off' O`1' Q1' Q1' 01' Off' Off' 01' O'1' O'l' 01' Q?' 01'
Oro 4c 4G ?c eC sC ?C Esc ?t qqt ?? Tit 4?t o-K X0`1 p si ?s1'
01 04 1h .1'L 01 00 15' R`b .y9' 05' 1'L 1,01' 1b O? ?O 11 ' V '.?'?
<-DI (S3697DA) -I-D2 (S3783F2) *D3 (SI271FD) -12" below surface rainfall
Rainfall information provided by the National Climatic Data Center; Note. 1 readingday
Wilmington Int=atimal Airport atalion.
Figure A.5 contd. Hydrology Monitoring, Gauges DL D2, &i D3
Eagle Brunswick Tract; Enhancement
0 10
-6
8
5 -12
a 18 6
Q °5
m
3
.o -24 4
0
-30
2
----- ------ ----------- ---- ----------------
-36
-42 0
Off' Q1' Off' Off' Off' Off' Off' Off' Off' Q?' 01' Off' Off' 01' Off' O'1' O'1' 01' O'l'
??$ ,J9 ?JJ ,JO ?JO S.a ?JN ?J> >J? JC Jfv JC J9o J4 0 e4 vQ v4 0&
o? o? 15' tiff tier oe ??'' ti° ti^' O^?P ?oA time' ,lprP ,y?P p?? Eby ry?? ro?? 05
b-DI (S3697DA) -{-D2 (S3783F2) ¢D3 (SI271FD) 12" below surface Orainfall
Rainfall information provided by the National Climatic Data Cmta; Note. I readinddae
Wilmington International Airport station.
b
---------------------------- -----
I ----------- -------------------
,

H-µN .
Figure A.6. Hydrology Monitoring, Gauges E1, E2, & E3
Eagle Brunswick Tract: Restoration
-6
-12
.a
A -18
r
-24
o
-30
-36
-42
------------------------------
-----------------------------------
I`v i I
10
8
6 7d
m
4
2
0
O~ O~ 01 Off' & & & & & 4?1 & & Off' & & & A' O?
Q?x Qa? 4a? Qoz Qo.' goo: 5e4 Soo X04
p'y p? ti5' rlti 'Yq O 1 ry ry p^i 1p• 1^' ,1Q? ,?ti o1' tiK rye' ,10
-°EI (S126F5F) 4-E2 (S2EACFA) *E3 (S214018) -12" below surface /rainfall
Rainfall itd'ortnation provided by the National Climatic Data Curter;
Wilmington International Airport. Station. Note: I raaJingiday
6 10
0
8
-6
6
0 12 6
A ?.
18
m
6 0
-24 4
-- - ---------------------------------------------------------------
C7
-30
2
-36
-42 0
O~ O? Oti O~ O? O? ?1? O? }lam O~ O? O? O~ O~ Off' 01' Off' Off'
Oti pg ,c f yry ,.r p5. ,,y ,?q• ryb, p,?, `p 1,?, rya ?1 p1' `O: ry'i ,y0
E I (SI26F5F) A- E2 (S2EACFA) E3 (S214018) -12" below surface ®rainfall
Rainfall information provided by the National Climatic Data Curter; Note'. I rcadu-day
Wilmington International Airport atatim.
Figure A.6 contd. Hydrology Monitoring, Gauges E1, E2, & E3
Eagle Brunswick Tract., Restoration
Figure A.6 contd. Hydrology Monitoring, Gauges E 1, E2, & E3
Eagle Brunswick Tract-, Restoration
0
-6
5 -12
?a
a
A -18
m
v -24
0
-30
-36
-42
G
O~4
' -- -------------'---}-'`-----------------------------------
I
--- ----------
---- -------------- ----- -- -----------------
1
------------
-- ---------
--- ------------------------------ -- -
10
8
6
m
4 5.
2
0
Off' 01, 01' ory OR' OR' 01' O"1' Q1' O'1' Ory 01' O`1' p'Y p'L p'4 p'L p'L
4v' 4` 4` mot yet ??t ??' ?QC ?? 4R? PRS ?? ?,m? x,05 ?m? x„0'1 ?s?
OQ' tih' ryry p1' p6' ti5' ry'Y "yqp5 ?`V ?9 ryb O? ,O' ??' ']j`' '7?
• El (S126F5F) L .E2 (S2EACFA) v E3 (5214018) -12' below s irface bra nfali
Rainfall information provided by the National Climatic Data Niac I reading day
Center; Wilmington intemational Airport station.
Figure A.6 contd. Hydrology Monitoring, Gauges Ei, E2, & E3
Eagle Brunswick Tract; Restoration
0 r 10
6 -----------------------------------------------J a 1--------
[ 4? v g
? I
-12 e
'r
0. 6
Q -18 -----------------------------------------------?--- ------------- 5.
d
3 - .
-------------------------------------
.o -24 -4
-30 -36 ----------------------- ---- ?--- - --------- -----------------
-42 F 0
ory pry ory ory pry ory ory ory pry pry ory o"? ory ory ory ory ory ory
?§O sory??f?'?OV??, lQo??c?Q,hgc4ry??ogX504
urface irainfall
? El (S126F5F) -A-E2 (S2EACFA) a E3 (S214018) -12" below!
Rainfall information provided by the National Climatic Data Nose 1 readingiday
Center; Wilmington Intemalional Airport station.
Figure A.7. Hydrology Monitoring, Gauges F1, F2, & F3
Eagle Bnuns%Nrick Tract; Restoration
0
-6
.S -12
A -IS
m
9 -24
0
-30
-36
-42
------- I-A+r -ate Fi yIT ------°---------
------ -------- -----------------------------
-- - --------------------------------------------------------
------------------
- 1---- ---------------------------_-------------
10
8
6
4 5.
2
0
01 O~ 01' O~ O? O? O? O? O? O? O? O? O1 01' O? O? Off' O?
oa c,z oa va
Ogg ,h? ryry? ryq? Oli ?? ?O 1' oyP,oF 1?4Q ??4 OK° ,?S y1S y45
+Fl (S2D44E2) -0 F2 (2EA974) *F3 (S353A85) -12" below surface Mrainfall
Rainfall information provided by the National Climatic Data Center; Note: ! reading.'day
Wilmington httarnational Airport station
Figure A.7 contd. Hydrology Monitoring, Gauges F1, F2, & F3
Eagle Brunswick Tract; Restoration
12
6
0
-6
Q -12
v
-18
-24
-30
-36
-42
------------------------------------------------- - ----------- - ---I
'a ---- - ------------ - --------------------------------------------- ?
-_ - --------------------------------------------------
t
----------- ??T ----------------------------------- Y"-_____
------------------ ,},°?1`9S'u - ---
10
8
6
4 5.
2
0
`O1 ~ `01 1 1 ,O? aA1 y0? ,O'? 4p1 `p1 4p1 `01 4A1 O`Y O'Y O'L p`Y
- F1 (S2D44E2) -* F2 (2EA974) v F3 (S353A85) -12" below surface .rainfall
Rainfall information provided by the National Climatic Data Center, Note I readingtday
Wimington International Airport station.
Figure A.7 contd. Hydrology Monitoring, Gauges F 1, F2; & F3
Eagle Brunswick Tract; Restoration
-6
-12
a
A -18
r
-24
0
-30
-36
-42
dmX ?
x
--- -----
-- Vd-"b-----------------------I'Fi`'. --'s---------- t- ------
X?, o
?I 1+Ir' & ?• •7c a° O',Y
-- ?-?;Il - -------------
------------------- -..--------------------------- ?
10
8
6
w
m
4
2
0
oti oti oti oti pti oti pti oti pti pti oti oti pti oti oti pti oti oti
$? 4` 4e'o' ?c •?,mt ?sC ?se ?gC ?st Pq? ?? 4?4 ?? ?s? ?e'1 ?m9?l,?0'? ?,a?
p1 Oq' 15'L`Y O>' O4; 15" ry'V 'y°, p5 1'y ?°i 'lb o-y' ?O' 11 'Y "?>
-Fl (S2D44E2) 4 F2 (S2EA974) x F3 (S353A85) --12" below surface Nrainfall
Rainfall information provided by the National Climatic Data Curter,
Wilmington intemational Airport station. Note: I rradmaaday
Figure A.7 contd. Hydrology Monitoring, Gauges F1, F2, & F3
Eagle Brunswick Tract; Restoration
0 10
-6
-12
A -18 6
---------------- -------------------
4
o -24 4
-30
2
-36
42 0
oti oti oti
? oti pti pti oti ?y?' oti pti pti pti pti oti oti oti oti oti
3 3 0? 3 >3 ??3 o?y ??o? Qo? eon 40? Qo? Qo? SoQ deg X04 S
tia .1
oti Q6> ,h? ryry tiA? O? ti ti O? ?o tit' 'y ", 'M ti~ 'L
I<-Fl (S2D44E2) O F2 (S2EA974) F3 (S353A85) -12" below surface rainfall
Rainfall mformatim provided by die National Climatic Data Center, Note: 1 readin.da.
Wilmington Intematimal Airport statim.
- - - - -- - - ---- - -- - - - - - - - - - - -- -- - - -- - - - - ---- - - - -- - -- -
? - - - - ----- - - - -
t

M' 8
Figure A.8. Hydrology Monitoring, Gauges R I and R2
Eagle Brunswick Tract; Reference
o ? 10
_6 ------ ------- ----- J - - +-----------
12 b
A -18 ------ I - - - -- --- - --- -- L -I----- - ----------------- 6 m
v -24 ----- ---- -- - - ------ - --- -------- - ----------------1 ?.
.?
4
-30 - -------------- -----------------------------------------
2
-36 ----- - --------- -- ---- -------------------- --------------
-42 L- M d6__ I -a IL 0
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Reference 1 (S378395) -a-Reference 2 (5317403) -12" below surface MRainfa8 (in)
Rainfall information provided by the National Climatic Data Center; Not,. I readinWday
Wilmington International Airport station.
6
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Figure A.8 contd. Hydrology Monitoring; Gauges RI and R2
Eagle Brunswick Tract; Reference
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Rainfall information provided by the National Climatic Data
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Note: I -ding-day
Figure A.8 contd. Hydrology Monitoring, Gauges R I and R2
Eagle Brunsv ick Tract; Reference
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--------------
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Figure A.8 contd. Hydrology Monitoring, Gauges R 1 and R2
Eagle Brunswick Tract; Reference
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Rainfall infammation provided by the National Climatic Data
Cents; Wilmington Intemational Airport nation. Note. 1 readingiday
Figure A.9. Normal Rainfall Distribution
Wilmington International Airport
2001
12
10 ------------------------------------------- -------------------------------
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Rainfall information provided by the National Climatic Data Center; 30th %calmlated from precipitation probabilities based an
Wilmington International Airport station, gamma distribution at 76North Carolina locations.
Figure A.10. Normal Rainfall Distribution
Wilmington International Airport
2002
iz
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View of ditch that was filled in 1999.
i Ponding within filled ditch.
Pictures of site.
Land Management Group, Inc.
Environmental Consultants
Wilmington, N.C.
November 2002
Eagle Brunswick Tract
Wilmington Bypass Project
Brunswick County, NC
Year Two Monitoring Report
Vegetation monitoring plot.
Land Management Group, Inc. Eagle Brunswick Tract
Environmental Consultants Wilmington Bypass Project
Pictures of site. Wilmington, N.C Brunswick County, NC
N.C.
November 2002 Year Two Monitoring Report
Typical vegetation within tract consists of pond pine,
loblolly bay, gallberry, and titi.
I
Bald cypress trees planted within
the riverine wetlands area in the
?- northern part of the tract. This area
was not counted towards mitigation
credits.
Pictures of site.
Land Management Group, Inc.
Environmental Consultants
Wilmington, N.C.
November 2002
Eagle Brunswick Tract
Wilmington Bypass Project
Brunswick County, NC
Year Two Monitoring Report