19951281 Ver 1_Monitoring Report 2002_20030224

s
i
BAILEY CREEK RELOCATION AREA
AQUATIC MACRO INVERTEBRATE AND FISH SURVEY
AND WATER QUALITY ANALYSES:
2002 ANNUAL MITIGATION CHANNEL REPORT
Prepared by:
Prepared for:
PCS PHOSPHATE COMPANY, INC
Environmental Affairs Department
Aurora, North Carolina
CZR
INCORPORATED
DECEMBER 2002
l�
4709 College Acres Drive
Wilmington, North Carolina 28403
TEL: [phone]
FAX: [phone]
czrwilm @aol.com

CZR
INCORPORATED
CONSULTANTS
Mr. Jeffrey C. Furness
PCS Phosphate Company, Inc.
P.O. Box 48
1530 NC Highway 306 South
Aurora, NC 27806
4709 COLLEGE ACRES DRIVE
SUITE 2
WILMINGTON, NORTH CAROLINA 28403 -1725
6 January 2003
TEL [phone]
FAX [phone]
czrwilm @aol.com
Re: Transmittal of "Bailey Creek Relocation Area Aquatic Macro invertebrate and Fish
Survey and Water Quality Analyses: 2002 Annual Mitigation Channel Report"
Dear Jeff:
Enclosed please find three copies of the above - referenced monitoring report.
Also enclosed is one copy each of the front cover, inside cover, and page ii to replace
those pages in the copy of the report that we sent to you earlier.
The Bailey Creek mitigation channel has been monitored for six years (1997
through 2002). During these years of monitoring, the fish and benthic
macro invertebrate communities have become well established and have exhibited a
general trend toward increasing diversity. We believe that the relocated section of
Bailey Creek has been colonized successfully and that further monitoring is not
warranted. Specific data supporting the cessation of monitoring include the following:
1 . Nine of the 10 fish species recorded during pre- disturbance baseline sampling in
1995 have been recorded in the mitigation channel, and species richness has
equaled or exceeded pre- disturbance baseline species richness in most years
(see Figures IV -9 and IV -1 1). In addition, 14 species not recorded at baseline
have been recorded in the mitigation channel.
2. Macroinvertebrate taxa richness in the mitigation channel has equaled or
exceeded pre- disturbance baseline taxa richness in most years (see Figures IV -7
and IV -8).
3. EPT taxa richness in the mitigation channel has exceeded EPT taxa richness in
the pre- disturbance baseline sample in every year since 1998 (see Table III -2
and Figure IV -1).
1061 EAST INDIANTOWN ROAD • SUITE 100 • JUPITER, FLORIDA 33477 -5143
TEL [phone] • FAX [phone] • czrjup @aol.com • www.CZRINC.com

Mr. Jeffrey C. Furness
6 January 2003
Page 2
4. For 2000 through 2002, macroinvertebrate biotic index values for the summer
sample in the mitigation channel averaged 7.8 versus the pre- disturbance
baseline value of 8.3 (see Figure IV -5).
5. The percentage of intolerant macroinvertebrate taxa has been consistently
higher in the mitigation channel samples than in the pre- disturbance baseline
sample (see Figure IV -6).
6. The annual number of new macroinvertebrate taxa found in the mitigation
channel has declined in recent years, which suggests that the macroinvertebrate
community has become more stable.
Thank you for the opportunity to serve PCS Phosphate on this project. We will
be glad to meet with you and /or DWQ to discuss these data further. Should you have
questions or require additional information, please do not hesitate to call.
Enclosures
File: 1745.50
Sincerely,
CZR INCORPORATED
Kent S. Karriker
Senior Environmental Scientist

1
BAILEY CREEK RELOCATION AREA
AQUATIC MACRO INVERTEBRATE AND FISH SURVEY
AND WATER QUALITY ANALYSES:
' 2002 ANNUAL
MITIGATION CHANNEL REPORT
Prepared for:
PCS PHOSPHATE COMPANY, INC.
Environmental Affairs Department
Aurora, North Carolina
Prepared By:
CZR INCORPORATED
4709 College Acres Drive, Suite 2
Wilmington, North Carolina
December 2002

BAILEY CREEK RELOCATION AREA
AQUATIC MACRO INVERTEBRATE AND FISH SURVEY
AND WATER QUALITY ANALYSES:
2002 ANNUAL
MITIGATION CHANNEL REPORT
TABLE OF CONTENTS
C. Water Quality ............. ............................... IV -11
V. LITERATURE CITED ................... ............................V -1
Page
COVERSHEET .......................... ...............................
i
TABLE OF CONTENTS ..................... ...............................
ii
LIST OF TABLES ........................... ............................iii
LIST OF FIGURES ........................... ............................iii
LIST OF APPENDICES ....................... .............................iv
I. INTRODUCTION .................. ...............................
1 -1
A. Purpose ................... ...............................
1 -1
B. Project Site ................ ...............................
1 -1
I1. METHODOLOGY ...................... ...........................II
-1
A. Macroinvertebrates ........... ...............................
II -1
B. Fish .......................... ...........................II
-1
C. Water Quality ............... ...............................
11 -3
III. RESULTS ...................... ...............................
III -1
A. Macroinvertebrates .......... ...............................
III -1
B. Fish ..................... ...............................
111 -8
C. Water Quality .............. ...............................
111 -8
IV. SUMMARY AND DISCUSSION OF ALL SAMPLING
YEARS (1995 -2002) ..........
IV -1
A. Macroinvertebrates .......... ...............................
IV -1
B. Fish ..................... ...............................
IV -7
C. Water Quality ............. ............................... IV -11
V. LITERATURE CITED ................... ............................V -1

LIST OF TABLES
Table
Page
III -1 Description of conditions at stations in the Bailey Creek mitigation channel sixth -year
(2002) macroinvertebrate survey, Beaufort County, North Carolina .............. III -2
III -2 Taxa richness of macroinvertebrates (by group) for the Bailey Creek mitigation channel
sixth -year (2002) survey, Beaufort County, North Carolina .................... III -3
III -3 Sixth -year (2002) macroinvertebrate survey of the Bailey Creek mitigation channel,
Beaufort County, North Carolina ....... ............................... III -4
III -4 Sixth -year (2002) electroshocker fish survey of the Bailey Creek mitigation channel,
Beaufort County, North Carolina ....... ............................... III -9
III -5 Sixth -year (2002) fish community metrics for combined sampling stations at the Bailey
Creek mitigation channel, Beaufort County, North Carolina .................... III -10
III -6 2002 monthly water quality sampling and analyses conducted in the Bailey Creek
mitigation channel by the PCS Phosphate Environmental Affairs laboratory ......... III -11
LIST OF FIGURES
Figure Page
1 -1 LOCATION MAP .................. ............................... 1 -2
1 -2 AERIAL PHOTO VIEW ............... ............................... 1 -3
II -1 AQUATIC SAMPLING STATIONS ....... ............................... 11 -2
IV -1 MACRO INVERTEBRATE TAXA BY GROUP ............................... IV -2
IV -2 CUMULATIVE MACRO INVERTEBRATE TALLY OF TOTAL TAXA . AND TAXA IN
COMMON WITH BASELINE .......... ............................... IV -2
IV -3 ANNUAL TOTAL MACRO INVERTEBRATE TAXA AND ANNUAL TAXA IN COMMON
WITH BASELINE ................. ............................... IV -3
IV -4 ANNUAL NEW MACRO INVERTEBRATE TAXA AND NEW TAXA IN COMMON WITH
BASELINE ...................... ............................... IV -3
IV -5 MACROINVERTEBRATE BIOTIC INDICES . ............................... IV -5
IV -6 MACRO INVERTEBRATE TOLERANCE VALUES <5 AND >7 .................. IV -5
IV -7 MACRO INVERTEBRATE TAXA BY SAMPLING STATION AND SEASON ........... IV -6
IV -8 ANNUAL WINTER AND SUMMER MACRO INVERTEBRATE TAXA TOTALS ......... IV -6

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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1
IV -9 CUMULATIVE FISH TALLY OF TOTAL TAXA AND TAXA IN COMMON WITH BASELINE IV -8
IV -10 ANNUAL WINTER AND SUMMER FISH TAXA TOTALS BY SAMPLING STATION .... IV -8
IV -11 ANNUAL TOTAL FISH TAXA AND ANNUAL TAXA BY SEASON ................ IV -9
IV -12 PERCENTAGE OF PISCIVOROUS FISH .. ............................... IV -9
IV -13 PERCENTAGE OF TOLERANT FISH .... ............................... IV -10
IV -14 TOTAL ABUNDANCE OF FISH ....... ............................... IV -10
LIST OF APPENDICES
Appendix
A AQUATIC MACRO INVERTEBRATE TAXA DOCUMENTED IN BAILEY CREEK IN SUMMER
1995 AND IN THE MITIGATION CHANNEL FROM 1997 THROUGH 2002
B FISH SPECIES DOCUMENTED IN BAILEY CREEK IN SUMMER 1995 AND IN THE BAILEY
CREEK MITIGATION CHANNEL FROM 1997 THROUGH 2002
C PHOTOGRAPHS OF AQUATIC SAMPLING STATIONS
iv

' I. INTRODUCTION
A. Purpose
' This report presents the results of the 2002 aquatic macroinvertebrate and fish surveys
conducted by CZR Incorporated (CZR) for PCS Phosphate Company, Inc. (PCS Phosphate) in the Bailey
Creek mitigation channel. The mitigation channel is part of the overall project of bottomland hardwood
wetlands creation on the relocated portion of Bailey Creek (Figure 1 -1). Sampling of the creek is required
under the 401 Water Quality Certification (No. 951281) issued on 6 March 1996 to PCS Phosphate by
the Division of Water Quality (DWQ, formerly Division of Environmental Management) of the North
' Carolina Department of Environment and Natural Resources.
Correspondence between PCS Phosphate and regulatory agencies that occurred during
the course of the permit process and approval can be found in the annual report for 1997 (CZR
Incorporated 1998). A copy of the monitoring plan can also be found in that report. This is the sixth
report on aquatic macroinvertebrates and fish of the Bailey Creek mitigation channel, which was
constructed during May through September 1996.
' B. Proiect Site
The site is located approximately 2 miles southwest of Aurora, North Carolina, between
Guilford Station Road (S.R. 1937) and the eastern bridge crossing of Bailey Creek by the Norfolk and
Southern Railway (Figure 1 -1). A detailed description of the mitigation site and channel is found in the
' "As -built Report for the 4.8 Acres of Bottomland Hardwood Wetlands Creation on Bailey Creek, Beaufort
County, North Carolina" (CZR Incorporated 1997). The upstream end of the 10 -foot wide mitigation
channel begins at the outlet of the stilling basin just east of Guilford Station Road (S.R. 1937) and
continues northeast for approximately 3,000 linear feet to join the historical Bailey Creek. An
' "undisturbed segment" (approximately 200 feet long) of the channelized Bailey Creek and adjacent
' fringing hardwoods occurs midway along the mitigation channel (Figure 1 -2). The mitigation channel has
a relatively flat bottom approximately 10 feet in width and a floodplain that varies in width from 25 to
50 feet on either side. To provide structural diversity, log -drop structures were installed across the
channel in three locations, and ine trees uprooted during site preparation were anchored in the
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floodplain. The floodplain was planted with seedlings and saplings of 11 bottomland hardwood species
as well as stabilizing grass varieties between 21 January and 1 March 1997. A 1996 aerial view of the
mitigation site, which includes the channel and adjacent bottomland hardwood creation areas, is found
in Figure 1 -2.
1 -4

1
IL METHODOLOGY
A. Macroinvertebrates
Although no baseline sampling was required by DWQ as a condition of the 401
Certification, PCS Phosphate contracted CZR to conduct benthos sampling in Bailey Creek during the 0
summer of 1995. The sampling was done at two locations in Bailey Creek that were within the portion
of the creek to be relocated. The results of that survey are used as a baseline for comparison.
Two monitoring stations in the mitigation channel were sampled in 2002 for aquatic
macroinvertebrates and fish. Station 1 is located at the downstream end of the relocated segment of
Bailey Creek, and Station 2 is at the upstream end just east of the stilling basin (Figure II -1). Sampling
occurred at these two established sites on 19 February 2002 and on 16 July 2002. These were
approximately the same two stations that have been monitored every year since 1997. Nine standing
sweep net samples were conducted at each station and hand - sorted in the field. Collected individuals
were preserved in 10 percent formalin. Additional specimens were collected from log washes and rubs
as well as incidental captures. All collected macroinvertebrates were transferred to 95 percent
denatured ethanol in the lab. Specimens were identified to the lowest reasonable taxa within each
group, and groups were generally based on those identified by Brigham et al. (1982). The sampling
methodology and reporting standards were based on those established by DWQ during sampling of
Whitehurst Creek in February 1992.
B. Fish
Although no baseline sampling was required by DWQ as a condition of the 401
Certification, PCS Phosphate contracted CZR to conduct fish sampling in Bailey Creek during the summer
of 1995. The sampling was done at two locations in Bailey Creek that were within the portion of the
creek to be relocated. The results of that survey have been included in this report for comparison.
During 2002, the above - described macroinvertebrate sampling stations were also
sampled for fish. At each station, fish were sampled along a 600 -foot segment of channel using a
backpack electroshocker. Four -foot white stakes with pink flagging are located along the channel at
the beginning, middle, and end of each sampling segment. Collected specimens were identified,
II -1

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measured, and either released or preserved in 10 percent formalin. The total length was recorded for
the first 20 individuals encountered for each species. All preserved specimens were transferred to 95
percent denatured ethanol after 48 hours and were identified in the CZR laboratory. Sampling was
conducted at these stations on 19 February 2002 and 16 July 2002. Specimens were identified to
species using Menhinick (1991).
Total abundance and species richness were tabulated for each site. Several other
metrics for fish communities can also be used to assess the biological integrity of streams. However,
many of these metrics are not applicable to coastal plain streams due to the unique physical and
chemical characteristics of these systems. Still, two metrics, percent tolerant individuals and percent
piscivorous individuals (an indication of trophic complexity within the creek) have been found to be
useful in assessing the biotic integrity of coastal plain streams (Paller et. al 1996; Scott and Hall 1997).
These two metrics were also chosen because they have low redundancy, e.g., all tolerant fish are not
also piscivores. Trophic classification and tolerance rankings (Tolerant, Moderately Tolerant, and
Intolerant) were based on the NC IBI classifications developed by North Carolina Division of Environment
and Natural Resources (NCDENR) (NCDENR 2001).
In order to assess changes in fish community structure over the entire monitoring period,
a two way analysis of variance (ANOVA) was performed using year (1997 through 2002) and season
(Winter and Summer) as factors. The response variables chosen were abundance, richness, percent
tolerant species, and percent piscivores. Because only two individual fish were collected in the winter
1998 sample, that sample was not included in the statistical analysis of any response variable except
abundance. If season or year were significant at the 5% level, a Tukey test was used to determine
which factor levels were significantly different.
C. Water Quality
Monthly water quality sampling and analyses were conducted by the PCS Phosphate
Environmental Affairs laboratory. Water quality samples were collected in the vicinity of aquatic
sampling Stations 1 and 2. Water samples were analyzed for temperature, conductivity, dissolved
oxygen, and pH while in the field, and for fluoride and total phosphorus in the laboratory. Water quality
parameters (except for fluoride and phosphorus) were also taken near the lower end of Stations 1 and
II -3

2 at the time of macroinvertebrate and fish sampling in February and July 2002. Additional information
on conditions (i.e. substrate, water depth, flow, etc.) of the creek was estimated to characterize the
monitoring stations during the time of sampling. Water quality data were examined with regard to how
well each site provided habitat appropriate for the maintenance of fish communities. Particular attention
was given to dissolved oxygen, as low DO levels are commonly implicated in fish kills.
1
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III -1
III. RESULTS
A. Macroinvertebrates
'
The conditions of tie site and observations of physical parameters collected during
sampling are presented in Table 111 - -1. The February and July sampling both occurred during times of
'
minimal or no water flow. A summary of macroinvertebrate taxa richness for 2002 is provided in Table
III -2. The summary is presented by major taxonomic groupings, with insects divided into orders and
'
other invertebrates divided into classes. A breakdown of macroinvertebrate taxa included within each
of those groups along with abundance classes of the taxa within each sample is provided in Table III-
'
documented in the 1995 and in the mitigation
3. Appendix A contains macroinvertebrate species survey
channel since 1997. This appendix has been expanded in each subsequent year -end report as a
cumulative record of documented taxa found in Bailey Creek by sampling year.
The lack of water flow during both 2002 sampling periods did not allow for macrobenthic
species to disperse over much area and may have affected the concentration of species and /or
'
individuals in the sampling areas. Seventy -two macroinvertebrate taxa from 12 groups were identified
from the Bailey Creek mitigation channel during 2002 (Table III -2), the sixth year after its construction.
'
Twenty new taxa were identified for the first time in the mitigation channel. Fifty -one taxa from twelve
groups were found during the winter collections and 48 taxa from ten groups were collected during the
'
summer (Table III -3). Two taxa each were found from the Ephemeroptera and the Trichoptera, which
resulted in an EPT taxa richness value of four. The 1995 summer baseline sampling identified 28 taxa
twith
an EPT taxa richness value of zero. To date, 15 of these 28 baseline taxa have been found in the
mitigation channel (53.6 percent) for a total of 136 taxa identified since monitoring of the mitigation
1995 (Somatochiora eiongata and
channel began in 1997. Two new taxa in common with the survey
'
Ranatra nigra) and eleven species in common with the 1995 survey previously identified in the mitigation
channel were found in 2002. Total taxa identified in Bailey Creek over the seven years of surveys since
1995 is 149 (Appendix A). The site was under construction in 1996.
0
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III -1

LI
Table III -1. Description of conditions at stations in the Bailey Creek mitigation channel sixth -year (2002)
macroinvertebrate survey, Beaufort County, North Carolina. Winter survey conducted 19 February
2002; summer survey conducted 16 July 2002.
III -2
Station 1
Station 2
Winter
0.3
Summer
0.4
Winter
0.5
Summer
0.5
Parameter
Depth (m):
Canopy M
0
0
0
0
Aufwuchs
moderate
several
moderate
several
Bank erosion
none
none
none
none
Substrate M:
Gravel
0
0
0
0
Sand
20
6
10
38
Silt
45
82
55
18
Detritus
35
12
35
44
Water quality:
Temperature (°C)
5.7
27.9
7.9
34.1
Conductivity
205.7
663.0
227.8
668.0
(pmhos)
Salinity (ppt)
0.2
0.3
0.2
0.3
D.O. (mg /p)
7.6
1.8
10.24
4.32
pH
1 6.3
7.4
6.5
7.3
Water flow
I minimal
none
minimal
none
III -2

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Table III -2. Taxa richness of macroinvertebrates (by group) for the Bailey Creek mitigation channel sixth -year (2002)
surveys, Beaufort County, North Carolina. Winter survey conducted 19 February 2002; summer survey conducted 16
July 2002.
a EPT taxa richness is a measure of the number of identified taxa within the insect orders Ephemeroptera, Plecoptera,
and Trichoptera.
III -3
Station 1
Station 2
Total
Taxa
Group
Winter
Summer
Total
Winter
Summer
Total
Platyhelminthes
0
0'
0
1
1
1
1
Oligochaeta
2
2
3
3
3
4
5
Crustacea
1
0
1
2
0
2
2
Ephemeroptera
2
2
2
2
1
2
2
Odonata
3
6
7
9
4
9
11
Hemiptera
2
5
5
2
4
5
6
Coleoptera
2
5
6
2
2
3
8
Diptera
11
13
19
12
6
14
26
Mollusca
1
2
3
4
4
5
6
Arachnida
1
2
2
0
0
0
2
Lepidoptera
0
0
0
1
0
1
1
Trichoptera
1
1
2
0
0
0
2
Total taxa richness
1 26
38
50
38
25
46
72
EPT taxa richness'
1 3
3
4
2
1
2
4
a EPT taxa richness is a measure of the number of identified taxa within the insect orders Ephemeroptera, Plecoptera,
and Trichoptera.
III -3

Table III -3. Sixth -year (2002) macroinvertebrate survey of the Bailey Creek mitigation channel, Beaufort
County, North Carolina. Winter survey conducted 19 February 2002;.summer survey conducted 16 July
2002. Relative abundance tabulated as Rare (1 -2 specimens), Common (3 -9 specimens), or Abundant (z 10
' specimens). A dash ( —) indicates that no individuals of the taxon were documented. New taxa encountered
during 2002 in the mitigation channel appear in bold. Taxa encountered in 1995 are shown with an asterisk.
Parentheses indicate uncertainty in identification of species.
17
111 -4
Station 1
Station 2
Taxa (includes pupae and /or larvae)
Winter Summer
Winter
Summer
Platyhelminthes:
Platyhelminthes spp.
—
—
R
—
Dugesia tigrina
—
—
C
R
Oligochaeta:
Naididae spp.
—
C
—
—
Dero digitata
—
—
C
—
* Dero nivea
—
—
C
—
Dero sp.
—
R
—
R
Pristina /eidyi
—
—
—
R
Tubificidae spp.
C
C
—
R
Aulodrilus pigueti
—
—
C
—
Aulodrilus spp.
R
—
—
—
Limnodrilus hoffineisteri
R
—
—
—
Crustacea:
Cambaridae spp.
—
—
R
—
Crangonyx pseudogracilis
C
—
R
—
Ephemeroptera:
Caenis spp.
A
A
A
R
Callibaetis spp.
C
C
C
—
Odonata (incl. Anisoptera, Zygoptera):
Anomalagrion/lschnura
R
—
R
—
lschnura sp.
R
R
—
* Enallagma spp.
A
A
A
C
Libellulidae spp.
—
—
—
Erythemis simplicicollis
—
R
C
C
Libellula spp.
—
R
C
R
111 -4

Table III -3. (continued)
III -5
Station 1
Station 2
Taxa (includes pupae and /or larvae)
Winter Summer
Winter Summer
Odonata (continued):
Libellulidae sp.2
C
—
—
—
Nannothemis bella
—
—
C
R
Pachydiplax longipennis
—
R
C
—
Perithemis spp.
—
R
—
—
Plathemis lydia
—
—
R
—
* Somatochlora elongata
—
—
R
—
Tetragoneuria sp.
—
—
R
—
Hemiptera:
Abedus/Belostoma spp.
—
C
—
R
Belostoma lutarium
R
R
—
—
* Corixidae spp.
C
A
—
R
Trichocorixa sexcinta
—
R
C
—
* Trichocorixa calva
—
C
—
—
Pelocoris spp.
—
C
—
C
Ranatra australis
—
—
R
—
* Ranatra nigra
—
R
—
R
Trichoptera:
lronoquia (punctatissima)
R
—
—
—
Oecetis inconspicua
—
R
—
—
Coleoptera:
Berosus exiguus
—
R
—
—
Deronectes griseostriatus
C
—
R
—
Dineutus assimilis
R
R
—
—
Hydrochus inaequalis
—
R
—
-
Hydroporus sp.
—
R
—
—
Peltodytes lengi
—
—
R
R
Peltodytes shermani
—
—
—
C
Pyrrhalta luteola
—
R
—
—
III -5

L�
i
1
Table III -3. (continued)
IM
Station 1
Station 2
Taxa (includes pupae and /or larvae)
Winter Summer
Winter Summer
Diptera:
Ablabesmyia peleenis
—
—
R
—
• Anopheles crucians
R
—
—
—
Chaoborus (albatus)
—
—
R
—
Chironomus spp.
—
—
R
R
Cladopelma spp.
C
R
—
R
Clinotanypus pinguis
R
—
R
—
Clinotanypus spp.
—
A
—
C
Coelotanypus sp.
—
—
R
—
Cricotopus/Orthocladius sp. 1
C
—
—
—
Cricotopus/Orthocladius sp. 41
R
—
—
• Cryptochironomus spp.
—
R
—
—
Dicrotendipes nervosus
R
—
R
—
Dicrotendipes thanotogratus
—
—
C
—
Einfeldia sp. A
—
C
—
—
Endochironomus spp.
R
—
—
—
Endochironomus nigricans
—
R
—
—
Goeldichironomus holoprasinus
—
R
—
—
Goeldichironomus sp.
—
R
—
—
Nanocladius spp.
R
—
—
—
Palpomyia/Bezzia complex
—
R
—
—
Parachironomus hirtalatus
—
—
R
—
Parachironomus spp.
—
—
R
—
Paramerina sp.
—
R
—
—
Paratanytarsus spp.
R
—
C
—
Polypedilum spp.
R
C
—
—
Procladius spp.
—
R
R
R
Tanypus carinatus
—
C
R
—
Tanypus neopunctipennis
—
C
—
• Tanytarsus sp. 1
C
A
A
—
Tanytarsus spp.
—
—
I —
R
IM

FL ill
�I
Table III -3. (concluded)
1 a Taxa not identified to species were not counted if lower level taxa within them were identified for the same
season or station in question.
1 111 -7
Station 1
Station 2
Taxa (includes pupae and /or larvae)
Winter Summer
Winter Summer
Diptera:
Zavreliella sp.
— —
— R
Mollusca:
Gyraulus parvus
— —
C R
Ferrissia Mendersoni)
— —
R —
Physella spp.
— A
R C
Pisidium sp.
R —
C C
Pseudosuccinea columella
— R
— —
Sphaerium sp.
— —
— A
Arachnida:
Arrenurus sp.
— R
— —
Limnesia sp.
R R
— —
Lepidoptera:
Pyralidae sp.
—
C
Total taxaa per station per season
26
38
38
25
Total taxaa per station
50
46
Total taxaa for 2002
72
1 a Taxa not identified to species were not counted if lower level taxa within them were identified for the same
season or station in question.
1 111 -7

ELI
1
�J
IL_ J
B. Fish
A summary of the 2002 fish surveys is presented in Table 111 -4. Thirteen species of fish
were documented from the Bailey Creek mitigation channel during the seventh year after its
construction. Ten species were found during the winter collection and 10 species were found during
the summer collection. Eastern mosquitofish (Gambusia hoibrooki) and bluespotted sunfish
(Enneacanthus gioriosus) were the most abundant species in the collections. One new species for the
mitigation channel, redear sunfish (Lepomis microiophus), was collected during the 2002 survey.
Table III -5 presents the fish community metrics for the summer and winter survey.
Abundance and species richness were similar in both seasons, while the percentage of tolerant
individuals was highest in the summer. The percentage of piscivorous fish was highest in the winter
collection. Such seasonal changes in species composition could have been the result of summer water
temperatures, which may have become so elevated as to provoke avoidance behavior in fish. For
example, studies suggest that the preferred water temperature for centrarchids during the summer
months is the upper 20° C range (Coutant 1977). During the same time of year, their critical thermal
maximum is between 331 and 36° C (Coutant 1977, Schaefer et al. 1999), similar to the late summer
water temperatures recorded during 2002 in Bailey Creek. Also, species commonly found in the summer
samples included eastern mosquitofish, golden shiners, and brown bullhead, all of which have a high
thermal tolerance (Coutant 1977). Furthermore, canopy cover in the mitigation channel is limited to
the short undisturbed segment, consequently fish must leave the mitigation channel to move to shaded
areas. However, canopy cover is expected to increase as the trees in the riparian zone mature.
Appendix B contains a list of the 10 fish species collected in the 1995 summer survey in
Bailey Creek and the 14 additional fish species collected in the mitigation channel since 1997. Only
one [yellow bullhead (Ameiurus nataiis)] of the 10 fish species found at baseline has yet to be collected
from the mitigation channel.
C. Water Quality
A summary of the monthly water quality data obtained by PCS Phosphate environmental
laboratory technicians is presented in Table III -6. This summary includes data collected from January
through December 2002. Temperature, conductivity and dissolved oxygen (DO) exhibited typical
[IlIP

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Table III -5. Sixth -year (2002) fish community metrics for combined sampling stations at the Bailey
Creek mitigation channel, Beaufort County, North Carolina. Winter survey conducted 19 February 2002;
summer survey conducted 16 July 2002.
III -10
Winter
Summer
Abundance (total individuals)
188
171
Species richness
10
10
Percent tolerant individuals
56.4
80.7
Percent piscivorous individuals
5.9
1.2
III -10

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III -11

seasonal patterns. Temperature ranged from 2° C on 3 January to 34.3° C on 3 June 2002. DO was
' highest in winter and declined in summer. Only during the late summer and fall did DO levels fall below
5 mg /Q, the level recommended by the water quality guidelines of the NCDENR ( NCDENR 1996). The
creek had dense algal mats during the warmer months of the year, which could have increased DO levels
through photosynthesis during the daytime. Conductivity was highest during the summer and fall.
Total phosphorous was variable throughout the year, as water column levels of nutrients are influenced
by a number of factors including salinity, algal production, rainfall, and possibly runoff from farm fields
upstream of the mitigation channel. Values for pH ranged from 6.1 on 4 March to 8.4 on 3 June 2002.
Fluoride values ranged from 0.15 on 4 March to 0. 74 on 3 June 2002.
r
1
1
III -12

IIV. SUMMARY AND DISCUSSION OF ALL SAMPLING YEARS (1995 -2002)
' A. Macroinvertebrates
An analysis of the sampling data collected over the seven years of surveys (including
the pre- disturbance 1995 baseline) yielded several interesting trends. There has been a general increase
since baseline in the number of taxa belonging to the Oligochaeta, Odonata, Coleoptera, Diptera, and
Mollusca. Members of Trichoptera and Ephemeroptera were not collected at baseline and did not appear
' until 1998 (second year after construction). At least one of these two groups has been represented
every year since 1998 (Figure IV -1). The EPT taxa richness in the mitigation channel (summer and
' winter combined) has varied between two and four every year since 1998, whereas the baseline
(summer only) EPT taxa richness was zero (Figure IV -1).
' Cumulative annual total macroinvertebrate taxa has continued to increase an diversify
while the total number of taxa in common with baseline has changed very little (Figure IV -2). The
l
annual number of total taxa (Figure IV -3) increased from 1997 to 1999, was fairly steady between 1999
1
1
and 2001, then increased again from 2001 to 2002. Annual taxa in common with baseline also
increased from 2001 to 2002. The number of new taxa encountered in the mitigation channel each year
increased from 1997 to 1999 and then decreased from 1999 to 2002 (Figure IV -4). The number of
baseline taxa recovered each year was seven in 1997, but was two or less from 1998 to 2002 (Figure
1V -4).
It is possible that habitat differences between the original channel and the mitigation
channel account for the absence of some baseline species. The original channel was deeply excavated
and surrounded by mostly forested habitat; the mitigation channel is shallow and surrounded by marsh
and shrubs. However, it is important to note that all of the baseline taxa yet to be documented from
the mitigation channel were rare at the time of baseline collection, and habitat preferences for these
species are highly variable. For example, Caecidotea spp. prefer erosional habitats with leaf packs, and
Dubiraphia bivittata prefers moderate to strong current. These species may have favored the original
channel. However, other baseline taxa that have not returned, such as Scirtes spp., occur along marsh
edges and would seem likely to prefer the mitigation channel. Likewise, there also seems to be no clear
relationship between habitat preferences of taxa that are common in the mitigation channel but were
absent or poorly represented in the baseline survey. Such taxa include Baetis, Caenis, and Caiiibaetis
IV -1
�f�

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Figure IV -1.
160
140
120
100
80
60
Z 40
20
0
Figure IV -2.
Cumulative MacroinvertebrateTally of Total Taxa
Bailey Creek Mitigation Channel 1997 -2002 and
Taxa in Common with Bailey Creek Baseline 1995
1995 1997 1998 1999 2000 2001 2002
Cumulative baseline taxa recovered
- - - - - - Cumulative annual total taxa
-- Baseline taxa
IV -2
Macroinvertebrate Taxa by Group
Bailey Creek Baseline, Summer 1995, and
Bailey Creek Mitigation Channel, Summer and
Winter Combined 1997 -2002
25
20
01995
■ 1997
15
01998
01999
10
■ 2000
02001
5
"d
■ 2002
0
N%
r6I
Ad
141,
U)
m
m M co m m m m m
a
m
m
c_
E
CO
v
ca c
v ° w 0 n 0 0 a
0
0
m
°� _� 0 2 8) m a
v
2
aEi
2
(6
a
L
w j
Figure IV -1.
160
140
120
100
80
60
Z 40
20
0
Figure IV -2.
Cumulative MacroinvertebrateTally of Total Taxa
Bailey Creek Mitigation Channel 1997 -2002 and
Taxa in Common with Bailey Creek Baseline 1995
1995 1997 1998 1999 2000 2001 2002
Cumulative baseline taxa recovered
- - - - - - Cumulative annual total taxa
-- Baseline taxa
IV -2

90
80
x 70
:°. 60
0 50
40
E 30
z 20
10
0
Annual Total Macroinvertebrate Taxa
Bailey Creek Mitigation Channel and
Annual Taxa in Common With Baseline
Found in Bailey Creek Mitigation Channel 1997 -2002
1995 1997 1998 1999 2000 2001 2002
Baseline
baseline taxa (summer only) Annual taxa in common with baseline f total taxa
Figure IV -3
35
30
25
0 20
15
3 10
z
M
Figure IV -4
Annual New Macroinvertebrate Taxa and
New Taxa in Common with Bailey Creek Baseline 1995
Found in Bailey Creek Mitigation Channel 1997 -2002
1997 1998 1999 2000 2001 2002
0 New taxa common to baseline --El-- New taxa
IV -3

1
1
n
spp. These taxa have a wide range of habitat preferences, including erosional and depositional habitats,
shallow water, dense vegetation, and other factors.
Benthic macroinvertebrates are often used as indicators of stream water quality. Certain
species are intolerant of pollutants or stressors such as low dissolved oxygen, whereas other species
are tolerant of these conditions. Biologists with the Ecosystems Analysis Unit of the Environmental
Sciences Branch of DWQ have assigned tolerance values to benthic organisms based on their sensitivity
to water quality. For freshwater organisms, tolerance values range from 0 (intolerant of poor water
quality) to 10 (tolerant of poor water quality). Abundance of a benthic species found during a survey
is also a parameter used as an indicator of stream quality. The Biotic Index (BI) for a stream segment
can be determined through a calculation using tolerance value and abundance value. The BI is an
average of the tolerance value of the taxa found in the stream, weighted by the abundance class of each
taxon.
Summer Bls have been similar to that found at baseline, with one year (1999) having
a slightly higher BI and one year (2002) having a slightly lower BI (Figure IV -5). Winter Bls show a trend
toward more intolerant taxa (lower Bls) during 1998 and 1999, only to climb back by 2001 to the BI
of the more tolerant taxa found at summer baseline. Although it is unknown how a higher percentage
of assigned tolerance values would affect the BI, it is worthy to note that only about 50 to 80 percent
of the total taxa have been assigned tolerance values by DWQ (Figure IV -5, bars at bottom).
The percent of total taxa with tolerance values greater than 7 has fluctuated in a narrow
range throughout the monitoring period (around 75 percent, Figure IV -6). However, the percent of total
taxa with tolerance values less than 5 increased from zero at baseline to a high of 21 percent in 1998.
Taxa with tolerance values less than 5 decreased in sampling years 1999 to 2001, although they
remained above baseline and first year mitigation channel (1997) values (Figure IV -6). Taxa with
tolerance values less than 5 increased again in 2002. Y
When the data are examined by sampling season and sampling station, the topogAhic
and hydrologic differences between the eastern and western halves of the mitigation cha
evident (Figure IV -7). The number of taxa collected from Station 1(eastern half), regardless of season,
shows a steady upward trend with little perturbation, whereas taxa richness at Station 2 (the almost
always flooded western half) shows more seasonal variability as well as annual variability. This variation
may be partially attributable to the effects of varying flood levels on sampling efficiency. When data
IV -4
i
OF
c7
�1
O

v
Macroinvertebrate Biotic Indices
Bailey Creek Baseline 1995 and
Bailey Creek Mitigation Channel 1997 -2002
X
>
C 100
d 80
v $
60
m
L 40
m
a 20
0
10
9
8
7 x
6
4 10
3 M
2
1
0
1995 1997 1998 1999 2000 2001 2002
Owinter ®summer 6 winter —X summer 1995 summer baseline
Figure IV -5
95
85
M 75
R 65
w 55
c 45
(D 35
iv 25
15
5
-5
Macroinvertebrate Tolerance Values <5 and >7
Bailey Creek Baseline, Summer 1995 and
Bailey Creek Mitigation Channel, Summer and Winter
Combined, 1997 -2002
1995 1997 1998 1999 2000 2001 2002
— —TV <5 —0 TV >7 - - - - - -baseline TV <5 baseline TV >7
Figure IV -6
IV -5

s
Macroinvertebrate Taxa by Sampling Station and Season Bailey Creek
Baseline 1995 and
Bailey Creek Mitigation Channel 1997 -2002
40
35
x 30
25
m20
E 15
z' 10
5 V
0 V
1995 1997 1998 1999 2000 2001 2002
— 0 winter 1 summer 1 fir — winter 2
0 summer 2 — — — baseline station 1 - - - - - - baseline station 2
Figure IV -7
Note: No winter sampling done at 1995 baseline
60
R
50
x
40
30
a
E 20
Z 10
0
Figure IV -8.
Annual Winter and Summer
Macroinvertebrate Taxa Totals
Bailey Creek Baseline 1995 and
Bailey Creek Mitigation Channel 1997 -2002
1995 1997 1998 1999 2000 2001 2002
0 winter — summer 1995 summer baseline
IV -6
�;fj

11
1
t
from the two stations are combined to examine seasonal variability alone, both seasons show a general
upward trend in total taxa (Figure IV -8).
B. Fish
Analysis of all fish data collected over the seven years of surveys indicated that
cumulative richness of fish species in the mitigation channel continued to increase through 2002,
although less steeply than in the first two years post - construction. The cumulative number of species
in common with baseline has held steady since 1999, with only one baseline species yet to be collected
from the mitigation channel (Figure IV -9). When the fish survey data were examined by season and
sampling station, a similar trend was apparent for Station 1, although 1998 deviated from the overall
trend for both seasons. Station 2 appeared less variable for fish than for the benthic community,
although summer numbers for this station through 2002 remained less than what was collected at
baseline (Figure IV -10).
Seasonally, species richness averaged over the two stations tended to be greater in the
winter compared to the summer samples, but the difference was not significant (p= 0.069; Figure IV-
11). The average percentage of piscivorous fish was also greatest in winter samples, but again the
difference was not significant (p =0.14; Figure IV -12). However, the average percentage of tolerant
fish was significantly greater in the summer compared to winter (p= 0.005; Figure IV -13). The reason
for such seasonal shifts in community structure are unknown. Major determinants of fish distribution
such as D.O. levels, salinity, and water temperature were almost always within levels appropriate for
the maintenance of freshwater fish communities. Seasonal movements of fish as well as seasonal
differences in the use of the stilling basin located upstream of the sampling sites may account for the
shifts in species composition, but such movements could not be characterized in this study.
Results of the ANOVA analysis indicate that fish abundance was not related to sample
year (p = 0.457); though abundance in 2001 and 2002 appeared to be greater compared to earlier years
(Figure IV -14). Species richness (p= 0.083) was also unrelated to sample year. During the monitoring
period, species richness increased substantially between 1997 and 1998, but it has fluctuated in
subsequent years (Figure IV -11). However, the cumulative number of taxa recorded at Bailey Creek
continues to rise. Also, a rapid period of recolonization followed by a leveling off in abundance and
richness is expected, as similar trends in richness and abundance have been found in other constructed
wetland and wetland restoration projects (Langston and Kent 1997, Shields et al. 1998; Hudy et al.
IV -7

t
25
23
21
x 19
:° 17
0 15
L 13
a 11
E 9
Z= 7
5
3
A
Cumulative Fish Tally of Total Taxa
Bailey Creek Mitigation Channel 1997 -2002 and
Taxa in Common with Bailey Creek 1995 Baseline
1995 1997 1998 1999 2000 2001 2002
— — — Cumulative number of species in common with baseline
- - - - - Cumulative annual total species
Baseline taxa
Note: No winter sampling done at 1995 baseline
Figure IV -9.
Annual Winter and Summer Fish Taxa Totals by Sampling Station
Bailey Creek Baseline 1995 and
Bailey Creek Mitigation Channel 1997 -2002
16
14
eo 12
10
0
E 6
Z 4
2
0
1995 1997 1998 1999 2000 2001 2002
---0 winter 1 summer 1
—A winter 2 summer 2
--------- - -1995 baseline station 1 - - - 1995 baseline station 2
rlgure Iv -iu.
M.K

Figure IV -11
N
0
25
a 20
c 15
N 10
tM
5
s= 0
Orl-
,N°, hag N '°- V rV
a Only a summer survey was conducted during 1995.
Percentage of Piscivorous Fish
Bailey Creek Baseline 1995 and
Bailey Creek Mitigation Channel 1997 -2002
Figure IV -12
I
IV -9
■ Winter
0 Summer
Annual Total Fish Taxa and Annual Taxa by Season
Bailey Creek Baseline 1995 and
Bailey Creek Mitigation Channel 1997 -2002
20
15
x
0
10
d
E
3
z
5
0
1995 1997 1998 1999 2000 2001 2002
—�- winter —X summer
--A Total taxa 1995 baseline
Figure IV -11
N
0
25
a 20
c 15
N 10
tM
5
s= 0
Orl-
,N°, hag N '°- V rV
a Only a summer survey was conducted during 1995.
Percentage of Piscivorous Fish
Bailey Creek Baseline 1995 and
Bailey Creek Mitigation Channel 1997 -2002
Figure IV -12
I
IV -9
■ Winter
0 Summer

Total Abundance of Fish
Bailey Creek Baseline 1995 and
Bailey Creek Mitigation Channel 1997-2002
250
(D 200
M 150 RN HIM
V ■Winter
100 - H
E3 Summer
50
b
0
N
Noj Noqj
a Only a summer survey was conducted during 1995.
b Summer 1997 data not included due to differences in sample methods.
Figure IV -14
IV-10
Percentage of Tolerant Fish
Bailey Creek Baseline 1995 and
Bailey Creek Mitigation Channel 1997-2002
100-
80
0
60
■Winter
Tii
HIP MIi—IiIii
r-
40-
El Summer
20
0-
N
N
a
Only a summer survey was conducted during 1995.
Figure IV -13
Total Abundance of Fish
Bailey Creek Baseline 1995 and
Bailey Creek Mitigation Channel 1997-2002
250
(D 200
M 150 RN HIM
V ■Winter
100 - H
E3 Summer
50
b
0
N
Noj Noqj
a Only a summer survey was conducted during 1995.
b Summer 1997 data not included due to differences in sample methods.
Figure IV -14
IV-10

t
fl
1
1
2000). Species richness and evenness in streams is highly influenced by habitat complexity and the
potential for species migration from other population pools. Habitat complexity in Bailey Creek should
increase over time with temporal changes in riparian flora and channel morphology. Likewise, Bailey
Creek has a large number of adjacent creeks from which to recruit new freshwater and estuarine fish.
As for other community metrics, the percentage of piscivorous fish (Figure IV -12) and
the percentage of tolerant fish (Figure IV -13) did not differ significantly from year to year (p=0.101 and
p= 0.199, respectively). However, the proportion of piscivores in the 1998 to 2002 summer samples
generally has been higher than the first -year mitigation channel (1997) sample, suggesting trophic
complexity has increased within the stream.
C. Water Quality
Analysis of monthly water quality data collected by PCS from two locations in the
mitigation channel show only an expected seasonal trend for temperature and dissolved oxygen. There
are no other clear trends in the data, though there is much apparently random variation. It is important
to note that hypoxic conditions are not common in Bailey Creek even during the summer months. The
almost constantly flooded western half of the Bailey Creek mitigation area has a different hydrological
regime and different vegetative characteristics that affect the collection of fish and benthos and may
also affect water chemistry in ways that can not be quantified by this study.
IV -11

IV. LITERATURE CITED
IBrigham, A.R., W.U. Brigham, and A. Gnilka, eds. 1982. Aquatic insects and oligochaetes of
North and South Carolina. Midwest Aquatic Enterprises, Mahomet, Illinois. 837 pp.
Coutant, C.C. 1977. Compilation of temperature preference data. Journal of the Fisheries Research
Board of Canada 34: 739 -745.
CZR Incorporated. 1997. As -built report for the 4.8 acres of bottomland hardwood wetlands
creation on Bailey Creek, Beaufort County, North Carolina.
CZR Incorporated. 1998. Bailey Creek relocation area aquatic macroinvertebrate and fish survey and
water quality analysis: 1997 baseline and first annual mitigation channel report.
Hudy, M., D.M. Downey, and D.W. Bowman. 2000. Successful restoration of an acidified native brook
' trout stream through mitigation with limestone sand. North American Journal of Fisheries
Management 20: 453 -466.
'
Langston, M.A. and D.M. Kent. 1997. Fish recruitment to a constructed wetland. Journal of
Freshwater Ecology 12 (1): 123 -129.
Menhinick, E.F. 1991. The freshwater fishes of North Carolina. North Carolina Wildlife Resources
Commission, Raleigh, North Carolina. 227 pp.
North Carolina Department of Environment, Health, and Natural Resources (NCDEHNR). 1996.
Classifications and water quality standards applicable to surface waters and wetlands of North
Carolina. North Carolina Administrative Code Sections 15A NCAC 02B.022.0. North Carolina
Environmental Management Commission, Raleigh, North Carolina.
1 North Carolina Department of Environment and Natural Resources (NCDENR). 2001. Standard
Operating Procedures. Biological Monitoring. Environmental Sciences Branch. Ecosystems
( Analysis Unit. Biological Assessment Group. Division of Water Quality. Water Quality Section.
Raleigh, North Carolina.
V -1

Paller, M.H., M.J.M. Reichert, and J.M. Dean. 1996. Use of fish communities to assess environmental
impacts in South Carolina coastal plain streams. Transactions of the American Fisheries Society.
125:633 -644.
' Schaefer, J.F., W.I. Lutterschmidt, and L.G. Hill. 1999. Physiological performance and stream
microhabitat use by the centrachids Lepomis megaiotis and Lepomis macrochirus. Environmental
Biology of Fishes 54: 303 -312.
' Scott, M.C. and L.W. Hall. 1997. Fish assemblies as indicators of environmental degradation in
Maryland Coastal plan streams. Transactions of the American Fisheries Society. 126:349 -360.
1
1
L
Shields, F.D. Jr., S.S. Knight, and C.M. Cooper. 1998. Rehabilitation of aquatic habitats in
warmwater streams damaged by channel incision in Mississippi. Hydrobiologia 382: 63 -86.
V -2

J
1
it
P
APPENDIX A
AQUATIC MACRO INVERTEBRATE TAXA
DOCUMENTED IN BAILEY CREEK IN SUMMER 1995
AND IN THE MITIGATION CHANNEL
jFROM 1997 THROUGH 2002
1
t
u
1
L

t
P
L
n
1
NOTE: Although not required by any permit conditions, PCS Phosphate contracted CZR
to conduct a fish /benthos survey in the summer of 1995 in the vicinity of that portion
of Bailey Creek to be relocated. Those survey data have been included as baseline taxa
in this report.
To show species diversity, all taxa found in the mitigation channel surveys have been
identified to species if possible. Some taxa have been identified only to genus or
family, either at baseline or during mitigation channel surveys. All mitigation channel
taxa identified more specifically are shown indented beneath their genus or family.
Taxa indented beneath baseline genera or baseline families are counted in common
with baseline even though they appear in a different row in the appendix. When more
than one taxon of a baseline taxon that was identified only to genus or family is
documented in the mitigation channel, only one taxon is counted in common with
baseline.
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11
APPENDIX B
FISH SPECIES DOCUMENTED IN BAILEY CREEK IN SUMMER 1995 AND
IN THE BAILEY CREEK MITIGATION CHANNEL FROM
1997 THROUGH 2002

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1
APPENDIX C
IPHOTOGRAPHS OF AQUATIC SAMPLING STATIONS
LI
1
ii
t

t
1
View downstream at the upstream end of Station 1 - Bailey
Creek
View upstream near the downstream end of Station 1 - Bailey
Creek
C -1

View upstream at the upstream end of Station 1 - Bailey
Creek
View upstream at the downstream end of Station 2 - Bailey
Creek
C -2

View downstream near upstream end o
Creek
- Bailey
View downstream near upstream end of Station 2 - Bailey
Creek
C -3

2000 ANNUAL REPORT FOR THE 4.8 ACRES
OF BOTTOMLAND HARDWOOD WETLANDS CREATION
ON BAILEY CREEK,
BEAUFORT COUNTY, NORTH CAROLINA
Prepared by:
Prepared for:
PCS PHOSPHATE COMPANY, INC
Environmental Affairs Department
Aurora, North Carolina
""Z R
INCORPORATED
May 2001
O ► V
4709 College Acres Drive
Wilmington, North Carolina 28403
TEL: [phone]
FAX: [phone]
czrwilm @aol.com R/

2000 ANNUAL REPORT FOR THE 4.8 ACRES
' OF BOTTOMLAND HARDWOOD WETLANDS CREATION
ON BAILEY CREEK,
BEAUFORT COUNTY, NORTH CAROLINA
' Prepared for:
PCS Phosphate Company, Inc.
' Environmental Affairs Department
Aurora, North Carolina
C
' Prepared by:
CZR Incorporated
Wilmington, North Carolina
May 2001
' 0EC Lr6 200!

u
I
1
2000 ANNUAL REPORT FOR THE 4.8 ACRES
OF BOTTOMLAND HARDWOOD WETLANDS CREATION ON BAILEY CREEK,
BEAUFORT COUNTY, NORTH CAROLINA
TABLE OF CONTENTS
Paae
COVER PAGE .............................. ..............................i
TABLE OF CONTENTS ........................ .............................ii
LIST OF TABLES ......................... ............................... iii
LIST OF FIGURES ......................... ............................... iii
LIST OF APPENDICES ...................... ............................... iii
1.0 INTRODUCTION .................... ............................... 1
1.1 History ..................... ............................... 1
1.2 Location .................... ............................... 1
1.3 Goals of the Project ............. ............................... 1
1.4 Success Criteria ............... ............................... 1
2.0 METHODOLOGY .................... ............................... 1
2.1 Hydrology ................... ............................... 1
2.2 Vegetation ................... ............................... 4
2.2.1 Planted Tree Seedlings ..... ............................... 4
2.2.2 Planted Tree Saplings ...... ............................... 4
2.2.3 General Vegetation Sampling . ............................... 6
2.2.4 Photographic Record ....... ............................... 6
3.0 RESULTS OF 2000 SAMPLING .......... ............................... 6
3.1 Rainfall /Potential Evapotranspiration . ............................... 6
3.2 Hydrology ..................... .............................11
3.3 Vegetation ..................... .............................11
3.3.1 Planted Tree Seedlings ...... ............................... 11
3.3.2 Planted Tree Saplings ....... ............................... 11
3.3.3 Photographic Record ....... ............................... 17
4.0 SUMMARY OF FOURTH -YEAR MONITORING ............................... 19
REFERENCES .............................. .............................20

1
1
L
LIST OF APPENDICES
APPENDIX A FIGURES DEPICTING HYDROLOGY DATA
APPENDIX B HYDROLOGY /RAINFALL DATA
APPENDIX C BAILEY CREEK FALL 2000 PHOTOS
APPENDIX D SCIENTIFIC AND COMMON NAMES OF PLANTS USED IN TEXT OR TABLES
LIST OF TABLES
Table
Page
1
Longest wetland hydroperiods in 2000 for each well location in the Bailey Creek
Creation Area during the entire growing season and during 2000 .................
12
2
Bailey Creek planted seedling dimensions and survival, baseline (May 1997) through
November 2000 ...................... .............................13
3
Diameter at breast height (BDH) and survival of Bailey Creek planted saplings through
November 2000 ...................... .............................16
LIST OF FIGURES
Figure
Pia e
1
LOCATION MAP .................... ...............................
2
2
AERIAL PHOTO VIEW ................ ...............................
3
3
MONITORING WELL LOCATIONS ......... ...............................
5
4
FIXED -POINT PHOTO STATION LOCATIONS . ...............................
7
5
2000 MONTHLY RAINFALL -- PCS PHOSPHATE COMPANY, INC. VICINITY ..........
8
6
2000 MONTHLY RAINFALL LESS POTENTIAL EVAPOTRANSPIRATION -- PCS
PHOSPHATE COMPANY, INC. VICINITY .... ...............................
9
7
2000 RAINFALL THREE -MONTH ROLLING TOTAL -- PCS PHOSPHATE COMPANY,
INC. VICINITY ........................ .............................10
8
BAILEY CREEK BOTTOMLAND HARDWOOD PLANTED SEEDLING ROOT COLLAR
DIAMETERS BASELINE AND FALL 2000 .... ...............................
14
9
BAILEY CREEK BOTTOMLAND HARDWOOD PLANTED SEEDLING HEIGHTS BASELINE
AND FALL 2000 ...................... .............................15
10
BAILEY CREEK BOTTOMLAND HARDWOOD PLANTED SAPLING - DIAMETER BREAST
HEIGHTS BASELINE AND FALL 2000 ...... ...............................
18
LIST OF APPENDICES
APPENDIX A FIGURES DEPICTING HYDROLOGY DATA
APPENDIX B HYDROLOGY /RAINFALL DATA
APPENDIX C BAILEY CREEK FALL 2000 PHOTOS
APPENDIX D SCIENTIFIC AND COMMON NAMES OF PLANTS USED IN TEXT OR TABLES

1.0 INTRODUCTION
' 1.1 History. In December 1995, PCS Phosphate Company, Inc. (PCS Phosphate) submitted
an application for a Section 401 Water Quality Certification to the North Carolina Division of
Environmental Management [now the Division of Water Quality (DWQ)] to impact and relocate a portion
' of the channelized drainage of Bailey Creek as part of the PCS Phosphate mine advance. After receipt
of state agency comments and subsequent revisions to the channel relocation design, DWQ issued the
401 Certification No. 951281 on 6 March 1996. The "Baseline and First Annual Report for the 4.8
Acres of Bottomland Hardwood Wetlands Creation on Bailey Creek, Beaufort County, North Carolina"
' contains copies of regulatory agency correspondence with PCS Phosphate regarding this certification
(CZR Incorporated 1998). For further description of the design, construction, planting, soils, and
monitoring plan and schedule, refer to the "As -built Report for the 4.8 Acres of Bottomland Hardwood
' Creation on Bailey Creek, Beaufort County, North Carolina" (CZR Incorporated 1997). Data from 1998
and monitoring is included in the second and third annual reports (CZR Incorporated 1999, 2000).
Th' fou annual report summarizes data and information collected at the site during 2000.
1.2 Location. The site is located east of SR 1937 (Guilford Station Road), north of the
Norfolk and Southern Railway track, and south of the mine utility depressurization canal, in Richland
Township, Beaufort County, North Carolina. Figure 1 shows the location of the project area and Figure
' 2 is an aerial photograph of the site taken post- construction in December 1996, but prior to planting.
1.3 Goals of the Proiect. One goal of the project is for this modified section of Bailey Creek
' to continue to carry the stormwater runoff from adjacent agricultural areas south of Highway 33/306
and to also carry stormwater flow from the diversion channel that delivers stormwater runoff from the
natural watershed area west of the existing mine. Another goal of the channel relocation design is to
reintroduce a more natural sinuosity to the creek channel and to rehabilitate the stream function and
values by widening its floodplain and planting bottomland hardwood species.
1.4 Success Criteria. The success of the project will be monitored according to the criteria
set forth in the Monitoring Plan for the Bailey Creek Mitigation Channel, Beaufort County, North Carolina
(PCS Phosphate 1996). Vegetative success will be achieved if, at the end of the fifth growing season
(2001), tree density is at least 320 trees per acre and there are at least six species represented.
' Hydrological success will be achieved if the site exceeds a hydroperiod of 12.5 percent of the growing
season under normal conditions. Partial hydrological success of portions of the site will be considered
should the entire site not meet the wetland hydrology criterion.
2.0 METHODOLOGY
' 2.1 Hydrology. Groundwater in the Bailey Creek floodplain is being monitored with eight pairs
of shallow monitoring wells and two semi - continuous monitors. A shallow monitoring well consists of
an 18 -inch length of 1.25 -inch diameter PVC well screen (0.01 inch slot) coupled to a solid PVC riser
' that is 14 inches long and 1.25 inches in diameter. Each well was inserted into a 24 -inch deep hole so
that approximately 8 inches of the riser extended above the ground. The texture, color, and depth of
each soil horizon were described at each well location. Soil extracted from each hole was used to seal
the hole around the well for wells designated 1A through 8A. The riser was fitted with a 1.25 -inch
' diameter removable PVC cap to prevent objects from entering the well. A small hole was drilled in the
side of the riser to allow equalization of air pressure during water level fluctuations.
' The second well of each well pair (designated 1 B through 813) was installed with sand, bentonite,
and grout (Sprecher 1993). The purpose of these wells was to detect perched water tables that may

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be the result of compacted soil layers. All the wells were installed before the beginning of the growing
season in late February and early March 1997. Well locations are shown in Figure 3.
The semi - continuous recorder being used is the WL -40 produced by Remote Data Systems. The
WL -40 monitors water table fluctuations across a 40 -inch range using a capacitive sensitive probe. The
probe is enclosed in a protective 3 -inch PVC well screen (0.01 inch well screen slots). Both
measurements and data storage are microprocessor controlled. The microprocessor's electronic
components and power supply (one D -cell alkaline battery) are enclosed within the weather -proof head
portion of the unit. The weather -proof head features an infrared optical port that allows for wireless
downloading of data to a hand -held Hewlett- Packard computer /calculator. The wrap- around memory of
the WL -40, with a capacity of 510 data points, can be programmed to take water table readings at
various intervals. The WL -40s were programmed to take a reading every 1.5 hours.
Shallow monitoring wells were checked weekly during the early part of the growing season
(March through May) and monthly for the remainder of the year. The WL -40s were downloaded at least
monthly. The water table readings from the shallow monitoring wells were recorded on standardized
data sheets. To aid in the analysis of hydrology data, monthly rainfall and temperature data were
obtained from the weather station at the PCS Phosphate plant site, and monthly potential
evapotranspiration (PET) was calculated using the Thornthwaite method (Dunne and Leopold 1978).
Hydroperiod interpretations were based on the growing season as defined in the Beaufort County
soil survey (Kirby 1995). Using the 28° F threshold and the 5- years -in -10 probability, the last freeze
date in the spring is 13 March and the first freeze date in the fall is 25 November. Thus the growing
season covers the 256 -day period from 14 March to 24 November, inclusive.
' 2.2 Vegetation. Sampling of the planted trees is used to monitor survival and growth on an
annual basis. For 1997, the baseline year, sampling was conducted in May to compare with the results
of fall sampling in November. Sampling occurred in the fall of 1998 and 1999 and was summarized in
the 1998 and 1999 annual reports (CZR 1999, 2000). In this fourth year of monitoring, sampling
' occurred in November of 2000. Seedling and sapling species planted and sampled include primarily bald
cypress (Taxodium distichum), green ash (Fraxinus pennsylvanica), overcup oak (Quercus /grata), black
gum (Nyssa sylvatica), swamp black gum (N. biflora), willow oak (Q. phe/ %s), water oak (Q. nigra), laurel
oak (Q. laurifolia), swamp chestnut oak (Q. michauxii), cherrybark oak [Q. pagoda (Q. falcata var.
pagodaefolia)], and river birch (Betula nigra).
2.2.1 Planted Tree Seedlings. Eight plots were established to sample tree seedlings in
' the vicinity of the eight paired wells (one plot at each of the paired well locations). The plots are each
approximately 37 -feet square (0.03 acre) and result in sampled acreage (0.24 acre) consistent with
guidance in the U. S. Army Corps of Engineers' (USACE) Compensatory Hardwood Mitigation Guidelines
' (USACE 1996). A total of 105 seedlings were tagged and measured for root collar diameter and height
in May 1997. Root collar diameter and height were measured again in the fall of 1997, 1998, 1999,
2000, and will be measured once more in the fall of 2001.
2.2.2 Planted Tree Saplings. The balled and burlapped tree saplings were also tagged
and sampled for diameter at breast height (DBH) and survival. Two hundred fifty saplings were tagged
and measured at baseline. The entire population of six of the planted sapling species were tagged (black
gum, willow oak, water oak, laurel oak, swamp chestnut oak, and river birch). The remaining two
sapling species, green ash and bald cypress, had populations large enough to tag and measure a
representative sample. Four sapling plots of varying size were established in the vicinity of the wells in
the wettest planting zone to characterize survival and growth of green ash and bald cypress saplings.
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' 2.2.3 General Vegetation Sampling. General vegetation of the site will be sampled to
provide a description of the composition and structure of the overall vegetative community, which
includes the naturally invading plant species on the creation area. General vegetation sampling will be
conducted near the end of the 2001 growing season. Previous annual reports indicated that this
sampling would occur at the end of the 1999 growing season, but it is more appropriate to conduct this
sampling at the end of the five -year monitoring period.
Vegetation data will be recorded for herb and shrub strata. According to the Corps
manual, herbs are woody and nonwoody plants less than 3.2 feet in height, shrubs are woody plants
' with less than a 3.0 -inch DBH but greater than 3.2 feet in height, and trees are woody plants with a DBH
greater than 3.0 inches regardless of height. Quantitative data will not be collected for the tree stratum
as there are unlikely to be any trees greater than 3 inches in DBH at the end of the fifth growing season.
The species and relative density of invading "trees" will be noted if present.
Herbs will be sampled in 10.8- square -foot quadrats, one located randomly within 50 feet
' of each planted seedling plot. Areal coverages will be recorded for each species present in each quadrat.
These data will be used to calculate average percent coverage and frequency of occurrence for each
species encountered.
' Shrubs will be sampled using the line- intercept method (Smith 1980). A 100 -foot
transect will be established by laying a tape measure in a straight line on the ground. Each transect will
begin at a random point chosen for an herb quadrat.and will extend in a randomly chosen direction. Each
' plant that intercepts the vertical plane will be noted, along with the distance of transect intercepted.
These data will be used to determine the frequency of occurrence and percent coverage of each species
encountered.
' 2.2.4 Photographic Record. The location of fixed point photo stations where
photographs are taken to provide visual documentation of vegetation changes on the site are shown in
Figure 4.
' 3.0 RESULTS OF 2000 SAMPLING
' 3.1 Rainfall /Potential Evapotranspiration (PET). Monthly rainfall totals at PCS Phosphate for
2000 are displayed in Figure 5. Monthly averages were derived from data collected daily at PCS
Phosphate between 1967 and 1999, inclusive. Complete weather data were not available for 1973 and
1974, so these years were not included in the averages. Deviations (in inches) from 32 -year average
' monthly totals were +0.48 in January; 0.00 in February; -0.92 in March; +2.60 in April; -0.72 in May;
-0.84 in June; -1.17 in July; +4.44 in August; +1.90 in September; -3.21 in October; +0.10 in
November; and -0.08 in December.
Monthly rainfall less PET at PCS Phosphate for 2000 is shown in Figure 6. Deviations (in inches)
from 32 -year averages were +0.58 in January; -0.16 in February; -1.33 in March; +2.87 in April; -1.36
' in May; -1.16 in June; -0.58 in July; -4.74 in August; +2.10 in September; -3.13 in October; +0.43
in November; and +0.31 in December.
The three -month rolling total rainfall for 2000 is displayed in Figure 7. The rolling total is the
' total amount of rainfall for the three -month period ending with the given month shown on the graph.
For hydrological calculations, normal rainfall is defined as a three -month total within one standard
deviation of the 32 -year average. Deviations in inches from 32 -year averages were -2.99 in January;
-1.39 in February; -0.43 in March; + 1.68 in April; +0.96 in May; + 1.04 in June; -2.73 in July; +2.43
in August; + 6. 17 in September; + 3.14 in October; -1.21 in November; and -3.19 in December. Rainfall
was below the normal range for January and December and all other months had normal rainfall.
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3.2 Hydrology. The western half of the site continues to appear to store water longer than
the eastern half, but 2000 hydroperiods in the eastern half were of longer duration than previous years.
Seven of the eight well sites (well locations1, 2, 3, 4, 5, 6, and 8) exhibited wetland hydrology during
the growing season in 2000 (Table 1). Wells 1 A and 1 B experienced wetland hydrology at 89.9 and
100 percent of the growing season. Wells 2A and 2B had hydroperiods of 100 percent of the growing
season, as did the WL -40 at well location 2. Wells 3A, and 3B experienced hydroperiods of 43.4 and
44.1 percent. Wells 4A and 4B experienced wetland hydrology of 59.4 percent. Well 5A had a
hydroperiod of 25.8 percent and well 5B experienced a hydroperiod of 27.0 percent. Well 6A had a
hydroperiod of 20.7 percent and well 6B experienced a hydroperiod of 19.1 percent. The WL40 at well
location 6 experienced a wetland hydroperiod of 53.9 percent. This significant difference in hydroperiods
among wells in such close proximity may be explained by the fact that the WL -40 is 20 inches deeper
in the ground and reflects a soil moisture regime not apparent in the shallow wells. Previous years have
not shown such a disparity in hydroperiods at this location. Analysis of the data from the WL -40 at
location 6 indicates that is performing properly although it seems to display a high amplitude diurnal
condensation signature. Well 8B had a hydroperiod of 19.5 percent. Wells 8A, 7A, and 7B experienced
marginal wetland hydrology of 9.4 percent. Data gathered during 2000 are found in Appendices A and
B.
3.3 Vegetation.
3.3.1 Planted Tree Seedlings. Planted seedlings in the tree plots and planted saplings
were measured at the site on 15 November 2000. The dimensions and survival of sampled seedlings
are shown by species in Table 2.
A total of 105 seedlings were tagged and measured at baseline in 1997. One of these
was unidentified to species and dead by fall 1997. Of these, 101 of the tagged trees were alive at
baseline, indicating a survival rate of 96 percent between planting and baseline sampling. By fall of
2000, 49 seedlings were alive, lowering survival to 48.5 percent since baseline. The seedlings have
experienced a decrease in survival since baseline, primarily due to excessive flooding in the western half
of the floodplain. Among the planted seedlings, only willow oak is surviving at 100 percent. All tagged
willow oaks are in the eastern half of the floodplain. Bald cypress and swamp chestnut oak appear
robust and continue to survive at 75 percent. Seven of the 28 tagged bald cypress and all of the tagged
swamp chestnut oaks are in the eastern half. Green ash is maintaining a survival rate of 50 percent at
the fourth year of monitoring. Swamp black gum and laurel oak have suffered total mortality by the
2000 monitoring. The tagged trees of these two species were in the eastern half of the floodplain.
Overall seedling dimensions have increased an average of about 48 inches in height and 1.34 inches in
root collar diameter since baseline.
The planted seedling root collar diameters for baseline and fall 2000 are shown by species
in Figure 8. Only one water tupelo was alive at fall 2000 measurement, so no confidence limits for this
species could be calculated. The one remaining seedlings of laurel oak and swamp black gum alive at the
1999 monitoring were dead in fall of 2000. Average root collar diameters have increased for all species
from 0.30 inches at baseline 1997 to 1.64 inches by fall 2000.
The planted seedling heights for baseline and fall 2000 are shown by species in Figure
9. Water tupelo continued to experience a decrease in height between baseline and fall 2000 sampling
due to browsing and dieback. The remaining seedling species experienced height increases of several
inches in most cases. The average height of all seedlings increased from 22.2 to 69.8 inches between
baseline and fall 2000 measurement.
3.3.2 Planted Tree Saplings. Tree saplings were measured on 15 November 2000.
Survival and DBH measurements for the saplings are found in Table 3. The 250 tagged saplings had a
survival rate of 98.8 percent at the end of the first growing season (1997) and a 58.9 percent survival
11

1
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Table 1. Longest wetland hydroperiods in 2000 for each well location in the Bailey Creek Creation
Area during the entire growing season'.
Well
I Hydroperiod
I Percent of Growing Season
1A
14 March - 29 October
89.8
1 B
14 March - 24 November
100.0
2A
14 March - 24 November
100.0
2B
14 March - 24 November
100.0
2WL40
14 March - 24 November
100.0
3A
1 July - 19 October
43.4
3B
1 July - 21 October
44.1
4A
21 May - 19 October
59.4
4B
21 May - 19 October
59.4
5A
14 August - 18 October
25.8
5B
14 August - 21 October
27.0
6A
25 August - 16 October
20.7
6B
25 August - 12 October
19.1
6WL40
6 July - 24 November
53.9
7A
25 August - 17 September
9.4
7B
25 August - 17 September
9.4
8A
25 August - 17 September
9.4
8B
25 August - 13 October
19.5
' All months of the 2000 growing season had rainfall amounts within the normal range.
12

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' at the end of the fourth growing season (2000). Laurel oak experienced a drop in survival in 2000 from
28.6 to 4.8 percent. Field notes in 1998 and 1999 indicated that the survival of many of the laurel oaks
was questionable and that they were faring poorly. Only one of the trees tagged as laurel oak remains
alive. Bald cypress had the highest survival rate of 82.5 percent. While the swamp black gum seedlings
experienced total mortality, the black gum saplings have fared better, with a survival rate of 50.0
' percent. Planted sapling DBH for baseline and fall sampling in 2000 is found in Figure 10. The saplings
have experienced DBH increases ranging from 20.7 to 166.7 percent since baseline.
Like the seedlings, the saplings in the western half of the floodplain also appeared more
stressed than those in the eastern half (38.6 percent survival in the west and 81.4 percent survival in
the east). Six saplings had stump- sprouted, but were too short to be measured for DBH during the fall
2000 sampling, but they have been included in the survival calculation.
When tree sapling survival is examined by species in the two halves of the floodplain,
willow oak had 18.2 percent survival in the western half and 81.8 percent survival in the eastern half.
' Water oak survival was 0.0 percent in the western half and 66.7 percent in the eastern half. River birch
survival was 40 percent in the western half and 100 percent in the eastern half. Bald cypress had been
preferentially predated by beavers, but many have stump- sprouted, with a survival rate of 78.6 percent
in the western end and 93 percent in the eastern end. Green ash were also heavily gnawed by beavers
' and did not stump- sprout as frequently as bald cypress; survival is 37 percent in the west, compared to
100 percent in the east.
' The planting plan indicates that 25 black gum were planted, however, only 24 were
found and tagged. The plan indicates that 25 laurel oaks and 40 willow oaks were distributed across
the floodplain. Due to the similarity in appearance of willow oak and laurel oak saplings, four of the
' saplings that were tagged as willow oaks may be laurel oaks. To date, there are 44 trees tagged as
willow oaks and 21 trees tagged as laurel oaks.
3.3.3 Photographic Record. Fall 2000 photographs were taken on November. The
' location of fixed point photo stations are shown in Figure 4. Selected 2000 photographs from the site
are found in Appendix F.
fl
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18

4.0 SUMMARY OF FOURTH -YEAR MONITORING
Hydrology data, tree survival, and photographs from the site over the past four years document
two ecologically different portions of the floodplain. In general, compared to the eastern portion of the
site, the western portion was wetter, had lower survival rates for planted hardwood species, and
contained less coverage of herbaceous vegetation.
Hydrology data gathered during 2000 are found in Appendices A and B. The longest hydroperiod
for each well location is found in Table 1. Seven well locations (1, 2, 3, 4, 5, 6, and 8) had hydroperiods
' longer than 12.5 percent of the growing season during the period from the beginning of the growing
season in March through the end of the growing season in November. Well 7 displayed a marginal
wetland hydroperiod of 9.4 percent.
' Survival of the planted seedlings and saplings continues to decline. The seedling survival at the
end of the fourth year of monitoring is 46.7 percent, a drop of 4.7 percent since fall 1999. The sapling
survival in 2000 is 58.9 percent, a drop of 11.3 percent since fall 1999. Density of the seedlings has
dropped to 204 trees per acre and the sapling density is 49 trees per acre. When combined for a total
of 253 trees per acre, the density of the planted hardwood trees is below the minimum density success
criteria of 320 trees per acre as required by the mitigation guidelines. The seedlings in plots in the
' western section had a survival rate of 16.3 percent compared to the seedlings in the eastern plots, which
were surviving at 76.8 percent. The sapling survival shows the same disparity, with survival ranging
from a low of 38.6 percent in the western half to 81.4 percent in the eastern portion of the floodplain.
' Previous monitoring reports have suggested remediation of the site be considered to reduce the
storage capacity of the western half of the site and to increase storage capacity in the eastern half.
' Reduction of storage in the western half would increase survival of the remaining trees on that portion
of the site. Water storage in the western half is mainly due to beaver activity. PCS Phosphate has
stated that a concerted effort will be made at beaver control to reduce flooding in the western half.
� i
19

REFERENCES
CZR Incorporated. 1997. As -built report for the 4.8 acres of bottomland hardwood wetlands creation
on Bailey Creek, Beaufort County, North Carolina.
CZR Incorporated. 1998. Baseline and first annual report for the 4.8 acres of bottomland hardwood
wetlands creation on Bailey Creek, Beaufort County, North Carolina.
CZR Incorporated. 1999. 1998 Annual report for the 4.8 acres of bottomland hardwood wetlands
creation on Bailey Creek, Beaufort County, North Carolina.
CZR Incorporated. 2000. 1999 Annual report for the 4.8 acres of bottomland hardwood wetlands
creation on Bailey Creek, Beaufort County, North Carolina.
Dunne T. and L. Leopold. 1978. Water in environmental planning. W. H. Freeman and Company, New
York. 818 pp.
Environmental Laboratory. 1987. Corps of Engineers wetlands delineation manual. Technical report
Y -87 -1, U.S. Army Engineer Waterways Experiment Station, Vicksburg, MS.
Kirby, R. M. 1995. Soil survey of Beaufort County, North Carolina. USDA Natural Resources
Conservation Service. 132 pp. plus maps.
PCS Phosphate Company, Incorporated. 1996. Monitoring plan for the Bailey Creek Mitigation Channel,
Beaufort County, North Carolina.
Smith, R. L. 1980. Ecology and field biology. Third edition. Harper and Row, New York. 835 pp.
Sprecher, S.W. 1993. Installing monitoring wells/ piezometers in wetlands. WRP Technical Note HY -1
A -3.1.
U.S. Army Corps of Engineers. Wilmington District office. 1996. Compensatory hardwood mitigation
guidelines.
20

APPENDIX A
FIGURES DEPICTING HYDROLOGY DATA

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BAILEY CREEK 02 WL40
January 2000
4.5
4
3.5
3 —
m -
.c -
2.5 =
co 2 _
c -
cc: 1.5 =
1 -
0.5 =
0 1 2 9 4 6 6 7 8 9 10 11 12 13 14 16 18 17 18 19 20 21 22 23 24 26 28 27 ZB 29 30 31
DATE
—Water Table Depth =Rainfall
BAILEY CREEK 02 WL40
February 2000
4.5
a w...y 2aao is r.eNw aaoo
4 a.. ro mm eow.m.e
3.5
in 3 —
d
t
2.5
co 2
S
oC 1.5 1
1 _
0.5 =
0 1 2 3 4 6 6 7 9 9 10 11 12 13 14 16 16 17 18 19 20 21 22 23 24 26 26 27 28 29
DATE
—Water Table Depth M Rainfall
M"
5
0
-5 0
-10 1+
0
-15
m
-20 CD
-25 a
ce
-30
0
-35 CD
-40
-45
5
0
-5 CD
R
-10
0
-15
v
-20 m
--I
-25 6
CD
-30 3
0
-35 y
-40
-45

BAILEY CREEK 02 WL40
March 2000
4.5
mwa��uan
19 Mrd 2000
4
3.5
in 3 —
(D
t
2.5
2
c
Co
oC 1.5
1 -
0.5
0 1 2 3 4 6 6 7 8 9 10 11 12 13 14 16 16 17 18 19 20 21 22 23 24 26 26 27 28 29 30 31 -
DATE
—Water Table Depth MRainfall
BAILEY CREEK 02 WL40
April 2000
4.5
:000
4
3.5
(D
t
c
2.5
2
c
cc 1.5
1
0.5
0 1 2 3 4 6 8 7 6 9 10 11 12 13 14 16 16 17 18 19 20 21 22 u 24 26 26 27 28 29 30
DATE
—Water Table Depth MRainfall
_•
5
0
5
-10 h
0
-15
m
-20 CD
-25
CD
-30
0
-35 y
-40
-45
5
0
-5 CD
v
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0
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0
-20
-25
CD
-30
0
-35
-40
-45

BAILEY CREEK 02 WL40
May 2000
4.5
4
3.5
3 —
a�
r
2.5
Fo 2
c
oC 1.5
1
I
0.5
0 1 2 3 4 6 8 7 8 9 10 11 12 13 14 15 18 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
DATE
—Water Table Depth MRainfall
BAILEY CREEK 02 WL40
June 2000
4.5
4
3.5
6 3 —
a�
r
= 2.5
- 2
S
oC 1.5
1
0.5 =
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 18 17 18 19 20 21 22 23 24 25 26 27 28 29 30
DATE
—Water Table Depth WRainfall
A -7
5
0
-5 CD
-10 1+
0
-15
-20 CD
-25
m
-30
0
-35 y
-40
-45
5
0
-5 0
-10 3
0
-15
0)
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-25
co
-30
0
-35 CD
-40
-45

BAILEY CREEK 02 WL40
July 2000
4.5
4
3.5
_F 3 —
a�
t
2.5
,co 2
c
cc 1.5 =
1
0.5 =
0 1 2 3 4 5 8 7 8 9 10 11 12 13 14 15 18 17 18 19 20 21 22 23 24 26 29 27 28 29 30 31
DATE
—Water Table Depth MRainfall
BAILEY CREEK 02 WL40
August 2000
4.5
4
3.5
a�
t
2.5
«° 2
i c
cc 1.5
1
0.5
0 1 2 3 4 6 6 7 6 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 26 27 28 29 30 31
DATE
—Water Table Depth MRainfall
;
5
0
-5 m
-10 h
0
-15
CD
-20
-25 a
CD
-30 S'
0
-35
-40
-45
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m
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CD
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0
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-45

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
BAILEY CREEK 02 WL40
September 2000
4.5
4
3.5
m
L
2.5.
m 2
C
cc 1.5
1
0.5
0 1 2 3 4 6 6 7 8 9 10 11 12 13 14 16 16 17 16 19 20 21 22 23 24 26 26 27 28 29 30
DATE
—Water Table Depth MRainfall
5
0
-5 0
2.
-10 �
0
-15
d
-20
-25 0
CD
-30
0
-35 y
-40
-45
.•
BAILEY CREEK 02 WL40
October 2000
5
4.5
mww 2 ­. 000
10
0
4
O
3.5
5
a
-10
v,
3
0
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2.5
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2
C
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a
cc
cc
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c�
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0
1
-35
ti
0.5
-40
-45
p
1 2 3 4 6 6 7 8 9 10 11 12 13 14 16 18 17 19 19 20 21 22 23 24 26 28 27 28 29 30 31
DATE
—Water Table Depth MRainfall
.•

BAILEY CREEK 02 WL40
November 2000
4.5
9wembet :900
4
3.5
ti 3 —
t
2.5
CO 2
C
Cu 1.5
1
0.5
0 1 2 3 4 6 6 7 6 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 29 26 27 28 29 30
DATE
—Water Table Depth MRainfall
BAILEY CREEK 02 WL40
December 2000
4.5
4
3.5
(;i 3 —
a�
t
2.5
m 2
c
oC 1.5
1
0.5 -
0 1 2 3 4 8 6 7 8 9 10 11 12 19 14 18 18 17 18 19 20 21 22 23 24 29 26 27 28 29 30 91
DATE
—Water Table Depth MRainfall
A -10
5
0
-5 CD
-10 h
0
-15
v
-20 m
-25
CD
-30
0
s
-35 y
-40
-45
5
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-25
m
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-45

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Depth to Water
Table (inches)
N
N � � In O
o ° o � o
N
� � � N M
e
L
a
ID
Y N
a
m
W v
F
B
F Q,
U $
a
+
< `°
0 3
'a
Wrmn
I
+
Q �
w
m
C
co
+
C
un
O r
d ID M In
N t0 r o
cf
M N
.- O
(sayoul)
Ile;ulea

N
Depth to Water
N I[I O
Table (inches)
T O N N M
B
`a
o
+
N
+
L
a
= 0
Y °
+
d
m
W N
~ °%
+
8 H
U 2,
r
w rn
+
0
w
J
I
3
- +
Q
R
m
m
_
m
+
a +
_1
N In r to O'
cc
J
V M N
+
,
m �
pe�wea
� c
M 0
O
+
C
U0
1T
1
+
i
i
U0
O
a In M O
N
O
M N
O
(sayoup
pe;uley
(sayoul)
Ilelulea
a M N
N
Depth to Water
N r 'R ILi O
Table (inches)
In ° N N M
i
g�
A
o
+
a
>;
•
+
L
a
+
'a
NO
O
~ °%
V n
L
a
x
O
Y N
r
w rn
N
W
W
I
F
m
m
0
W
+
a +
_1
N In r to O'
_
J
V M N
.- O
�
m �
pe�wea
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M 0
O
C
U0
O -
V Ip M In
N 1p .- !n
+
M N
O
(sayoup
pe;uley
N in r IL)
A -15
N
Depth to Water
N In O
Table (inches)
n 0 N N M
g�
A
o
a
>;
•
+
L
a
E
~ °%
V n
+ ° 3
r
w rn
- +
Lu E
~
-
m
m
V o
+
o
It7
N In r to O'
_ +
J
V M N
.- O
Q o
pe�wea
m
M 0
O
"e
C
+
In
O
V IL7 M In
N in r IL)
a M N
O
(sayoul)
Ile ;wea
N
Depth to Water
N � � In O
Table (inches)
o In o O
� � � N N In fh
e
L
r
o
a
>;
•
O
Y N
N
Co
E
~ °%
V n
+ ° 3
r
w rn
- +
J
z.
Q
m
m
c
C
It7
N In r to O'
at u� M u�
V M N
.- O
(sayoul)
pe�wea

.n
Depth to Water
o o
Table (inches)
0 1n o 1n o
N N M
2
i
+
m
+
N
a'
L
a
S O
d
w N
°o
r
W m
e
L
a
�
v '
m
H
H
e
°
J Q
+
_
Q
m
+
m
'a c
J
+
_
`c_
m
e
m v
O
+
W
cc
+I
-l'
Lq
+
O
Uq
s
O
tf 10 M UL
N 1A r 1D
.- O
�{
M N
(sayaul)
lleluley
(sayow)
lle;uley
(sayoul)
N
Depth to Water
N O
Table (inches)
O O O
N N M
+
0 1n o 1n o
N N M
+
N
"s
'a
L O
? O
°o
iL+
a
a p
y
O
N
e
L
a
�
W
m
H
H
e
°
t) all
+
'a +
J 3
+
J
+
_
`c_
m
e
m v
O
W
cc
-l'
Lq
+
O
10 M IL1
N 1n O
O r
a M N
.- O
�{
M N
(sayaul)
lleluley
A -16
Depth to Water
Table (inches)
o n o 1n o
N N f`7
Ag
a
0 1n o 1n o
N N M
+
N
a
L
a
°o
e
L
a
a
W E
m
~
-
H
e
V w
t) all
+
a
w
+
J
+
_
a o
R
m v
O
W
c
S m
'n
+
u0
O r
un M u�
N In .- uD
�{
M N
M N
O
(sayau!)
(sayoul)
Ile;u)ea
Depth to Water
Table (inches)
0 1n o 1n o
N N M
N
N IA O
°o
e
L
a
X N
m
W a
H
e
V w
d
Q m
Q �
W
C
u0
O r
un M u�
N In .- uD
�{
M N
— O
(sayau!)
IleTuley

N
Depth to Water
N 2 O2 w O
Table (inches)
�n ° N N �0
p
299
i
"a
N
N � � In O
o ° o � o
L9 , , N N M
+
L
C1
p
Y °
T
m
W N
e
S H
e
L
CL
+
t
}
d
�
—
F
+
Q
+
w
a
0
m
+
S c
J
S +
J '
Qc
m
5
m v
O
+
w
c
"a
10
O
d O M Iq
N 1C W
s{
fi N
O
O
U d U, CO Lq
(sayoul)
Ile)ulea
d M N
N
Depth to Water
N .�- 2 1n O
Table (inches)
1n O N N M
,
S
N
N � � In O
o ° o � o
L9 , , N N M
+
a t
c
IV
N
e
S
L
is
O
L
CL
y
O
Y N
d
�
W
W
F
I-
N
A
V �
+
w
a
0
W a
+
a +
J
S +
J '
Qc
m
W
m v
O
w
c
OC
r
+
C
Un
+
C
O
U d U, CO Lq
N M r 1q
O n
d M N
O
d CO N
(sayoul)
Ile;uley
—
A -17
N
Depth to Water
N
Table (inches)
L? o n o N o N M0
¢
xA
N
N � � In O
o ° o � o
L9 , , N N M
+
a t
c
IV
N
e
m
Y
L
CL
�
W E
d
~
°m
F
E
V
+
o
I+
W
S +
J '
a
W
m v
O
w
c
OC
r
+
Un
+
C
a
d w M U�
N O — w O
O n
d Cl) N
O
d CO N
(sayoul)
Ileju)ea
—
Depth to Water
Table (inches)
N
N � � In O
o ° o � o
L9 , , N N M
e
L
CL
d
W a
UJ
F
E
F m
V
a
W
S +
J '
Q
w
2
+
C
Ui
O n
d in M In
N Un
d CO N
— O
—
( sayow)
pe;uley

�q
N
Depth to Water
Table (inches)
q O N N M
y
ai
0
o q o N N M iq O
+
a
r
"a
� O
m c
m
m
W N
UJI
e s
a
P p
'n F
c
Vm
�
+
a m
It W v
F
J Q
+
±
m
+
+
c
i 0
J
+
D:
a W
+
,
Q o
.W
m V
+
c
C
+
i
+
+
-a
Iq
O
Iq M Iq
N Iq r Iq
a 10 M Iq
a M N
— O
(sayaw)
Ile;uley
(sayoul)
Ileiun
(sayoul)
�q
N
Depth to Water
o
N
Table (inches)
p
A
o q o N N M iq O
+
s
�
m c
m
P
-
m O
e s
a
P p
t
n
a
o
N
m
N
d
It W v
F
V
o
V m
+
+
a +
J
+
_ +
a W
W
Q o
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m V
c
C
o:
C
+
+
L
Uq
O w
a'
O
a 10 M Iq
N uq .- Iq
CI) N
(sayaw)
Ile;uley
A -18
Depth to Water
Table (inches)
o g
N o N w o M
p
A
o q o N N M iq O
+
S
- a
�
m c
m
P
-
N
e s
a
P p
m
lie
m
N
a
W E
P ~
a
V m
+
+
°
J
+
_ +
R
Q o
m
m V
c
C
o:
cc
N
+
+
Iq
Uq
O w
a'
O
a 10 M Iq
N uq .- Iq
CI) N
a M N
— O
(sayoul)
(sayoul)
llemem
Depth to Water
Table (inches)
o q o N N M iq O
P
m c
m
e s
a
P p
0
Y N
m
N
S
a
+
0 3
W N
+
R
CO
c
o:
+
C
Iq
O w
� Iq M Iq
N Iq � Iq
d
CI) N
O
(sayoul)
IleWeH

1
1
1
BAILEY CREEK 06 WL40
January 2000
4.5
4
3.5
v> 3 —
m
t
= 2.5
co c
2
cC 1.5
1
0.5
0 1 2 3 4 6 6 7 8 9 10 11 12 13 14 16 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
DATE
—Water Table Depth MRainfall
BAILEY CREEK 06 WL40
February 2000
4.5
/0 FNUUxy 2000
DsI dm.
I."
w iem eowmo.a
4 9 feMUM' 2000
3.5
3 —
a>
t
c 2.5
co 2
c
cC 1.5
1
0.5 =
0 1 2 3 4 6 8 7 8 9 10 11 12 13 14 16 18 17 18 19 20 21 22 23 24 26 26 27 28 29
DATE
—Water Table Depth MRainfall
A -19
5
0
-5 CD
-10 h
0
-15
m
-20 m
--I
-25 a
CD
-30
0
s
-35 y
-40
-45
5
0
-5 cl)
-10
0
-15
CD
m
-20
-25
CD
-30
0
s
-35 CD
-40
-45

1
1
1
1
1
1
1
1
1
BAILEY CREEK 06 WL40
March 2000
4.5
4
3.5
in 3 —
CD
L
2.5
Co 2
c
1.5
1
0.5
0 1 2 3 4 5 6 7 8 9 10 11 12 19 14 15 18 17 18 19 20 21 22 29 24 26 26 27 26 29 30 31
DATE
—Water Table Depth =Rainfall
BAILEY CREEK 06 WL40
April 2000
4.5
4
3.5
'w 3 —
a�
L
2.5
F°- 2
c
CC 1.5
1
0.5
0 1 2 9 4 5 8 7 8 9 10 11 12 19 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 90
DATE
—Water Table Depth oRainfall
A -20
5
0
-5
-10 1+
0
-15
CD
N
-20
-25 Cr
m
-30 5'
3
-35 y
-40
-45
5
0
-5 m
-10
0
-15
-20
-25 a
CD
-30
0
S
-35 w
-40
-45

1
1
1
1
1
1
1
1
1
1
1
1
1
1
BAILEY CREEK 06 WL40
May 2000
4.5
4
3.5
y 3 —
CD
s
U 2.5
yc 2
co
c
oC 1.5
i 1
I
0.5
I
0 1 2 3 4 6 6 7 8 9 10 11 12 13 14 16 10 17 16 19 20 21 22 23 24 26 26 27 28 29 30 31
DATE
—Water Table Depth oRainfall
BAILEY CREEK 06 WL40
June 2000
4.5
4
3.5
3 —
(D
2.5
Fo 2
c
co
OC 1.5
1
0.5 =
I -
0 1 2 9 4 6 8 7 8 9 10 11 12 13 14 16 10 17 10 19 20 21 22 23 24 26 26 27 28 29 30
DATE
—Water Table Depth ORainfall
A -21
5
0
-5 0
-10
0
-15
d
-20 CD
-25
m
-30
0
-35 y
-40
-45
5
0
-5 CD
v
-10
0
-15
CD
m
-20
-25 a
m
-30
0
-35 N
-40
-45

1
1
1
1
1
1
1
1
1
1
BAILEY CREEK 06 WL40
July 2000
4.5
4
3.5
h 3 —
d
t
2.5
2
c
CC 1.5
1
0.5
0 1 2 3 4 8 8 7 8 9 10 11 12 13 14 18 18 17 18 19 20 21 22 23 24 25 28 27 28 29 30 31
DATE
—Water Table Depth MRainfall
BAILEY CREEK 06 WL40
August 2000
4.5
4
3.5
y 3 —
d
r
2.5
2
c
cC 1.5
1
0.5
0 1 2 3 4 8 8 7 8 9 10 11 12 13 14 18 18 17 18 19 20 21 22 23 24 28 28 27 28 29 30 31
DATE
—Water Table Depth MRainfall
A -22
5
0
-5
-10
0
-15
m
-20 CD
--I
-25
m
-30
0
-35 y
-40
-45
5
0
-5 m
v
-10
0
-15
m
-20 CD
-25 0'
CD
-30 :'
0
Z,
-35 y
-40
-45

BAILEY CREEK 06 WL40
September 2000
4.5
4
3.5
v> 3 —
a�
t
2.5
cc 2
c
1.5
1
0.5
0 1 2 3 4 6 8 7 8 9 10 it 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
DATE
—Water Table Depth MRainfall
BAILEY CREEK 06 WL40
October 2000
4.5
4
3.5
in 3 -
a�
t
2.5
w 2
c
0c 1.5
1
0.5
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3'
DATE
—Water Table Depth MRainfall
A -23
5
0
-5 CD
rt
-10 s
0
-15
v
-20 CD
-25 a
co
-30
-35 y
-40
-45
5
0
-5 m
r+
-10
0
-15
m
-20 m
-25
m
-30
0
-35 y
-40
-45

BAILEY CREEK 06 WL40
November 2000
4.5
4
3.5
v^, 3 —
d
2.5
ca 2
c
cc 1.5
1
0.5
0 1 2 3 4 6 6 7 8 8 10 11 12 13 14 18 18 17 18 19 20 21 22 23 24 28 26 27 28 29 30
DATE
—Water Table Depth MRainfall
BAILEY CREEK 06 WL40
December 2000
4.5
4
3.5
in 3 —
a�
2.5
c 2 �
oCO 1.5
1
0.5 =
0 1 2 3 4 8 6 7 8 9 10 11 12 13 14 18 18 17 18 19 20 21 22 23 24 28 26 27 28 29 30 31
DATE
—Water Table Depth MRainfall
A -24
5
0
-5 CD
-10 rt
0
-15
d
-20 CD
-25 6
CD
-30
0
-35 CD
-40
-45
5
0
-5 CD
-10 rf
0
-15
m
-20
-25 a
CD
-30 5-
0
3
-35 y
-40
-45

N
Depth to Water
N
Table (inches)
2g
i
'a
M
S
N 1n O
ti
+
r
a
p�
N
S
d
W N
UJI
e
}
'n H
V
n
+
~ m
-°
a
t
a
p
�
o ?�
}
+
a +
a
W
IN
+
_
R
1-
_
m
+
a c
m s
O
S
W
+
S
+
J
+
+
a
+
7
-a
U0
O
tr U� M O
N Un U0
IleMea
a M N
— O
.- O
(sayow)
IleRey
Ile;ulea
A -25
N
Depth to Water
N O O
Table (inches)
N N
M
S
N 1n O
n°o
+
N
S
m
+
e
°o
"a
W E
n
O
O
~
LY
a
t
a
p
�
Y
N
+
FY
D
W
IN
t
I
1-
_
a
+
J '
m s
O
S
W
+
a
+
J
+
■
a
+
7
CO N
O
O n
(sayoul)
IleMea
cr
M N
.- O
(sayou!)
Ile;ulea
r
■
10
N IA � 10
O
e} 10 M LL'1
d
CO N
O
(sayoup
Ile;uley
A -25
Depth to Water
to O
Table (inches)
o o o
'? M
5S
A
N
N 1n O
n°o
a
t
C,
@
N
m
+
e
°o
a
W E
t
a
g o
~
LY
N
D
0
W a
UJ
V m
+
FY
W
t
J
+
_
a
+
J '
m s
O
S
to
■
e
+
■
-
+
7
CO N
O
O n
(sayoul)
IleMea
cr
Depth to Water
Table (inches)
N
N 1n O
In O' N N M
P
+
e
°o
t
a
g o
O
Y N
N
D
0
W a
UJ
N
FY
V Y
m
W y
+
J '
a
to
It
■
+
e
1p
O n
iq M 1n
N U� .- U�
cr
M N
.- O
(sayou!)
Ile;ulea

1
1
1
N �n
Depth to Water
Table (inches)
1n O N N I?
gi
i
'a
N n
+
m
m
n
+
r
a
S 0
O
Y o
m
d
a
m
W N
m
~
W
U
~
W N
< CO
t
R n
6
N
W
J
+ +
+
Q
+
_
a
M
U
m
o:
z c
a
c
` +
N m .- 10 O-
L d U, M U[
+
d M N
O
(sayow)
s
+
Q
+
+
+
i
O d u� M in
O
u d ue M in
N in in
— O
d M N
.- o
(sayoul)
pe;ulea
(sayow)
Ile;wey
peiulea
N �n
Depth to Water
o in o
N IA O
Table (inches)
o n o o
T N N l7
S
+
9S
A
N n
+
"s
m
n
r
a
o
Y N
m
W
+
~
W
U
W N
< CO
t
R n
6
0
�a
W m
+ +
J �
U C
a a
o �
M
U
o:
W N
a
c
` +
N m .- 10 O-
L d U, M U[
d M N
O
(sayow)
Ileluley
A -26
Depth to Water
Table (inches)
o n o in o
N N (h
9S
A
N n
N o o O
m C
a
t
C,
$ 0
N
?
+
e
O
W
t
R n
6
-
N
2
W
U C
+
o �
M
U
+
W N
a
` +
m s
O
c 'm
W
_ ¢
� C
.W
Q
+
+
C
O'
O d u� M in
N Lf� b
O r
d M N
— O
M N
(sayoul)
pe;ulea
Depth to Water
Table (inches)
N n
N o o O
L9 o � t2 o n N o M
+
e
O
t
R n
6
Y N
N
2
W
$ H
B
M
U
m
W N
` +
Q
W
m �
� C
.W
rr
+
C
in
O r
d M in
N io .- in
M N
— O
(sayoul)
peiulea

A -27
N-
N
Depth to Water
Table (inches)
o n N o N to
Mo
p
i
B
m
o n o
"a
a°
e
Y
�
W N
s
+
& H
c
U '
L
r
a
+
¢ '°
S
m
+
J Q
+
+
_
R
+
m
m
+
+
_
+
+
°o
Q �
m
O
t
a
d
Y
5
I+
a
W
a
to
O
Cj t0 M O
N U� .— UA
cF
m N
— O
N
W
(sayoul)
pe;ulea
+
A -27
N-
N
Depth to Water
o o
N � O
Depth to Water
Table (inches)
m
o n o
0 0 o to
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7
1
i
r
u
APPENDIX B
HYDROLOGY /RAINFALL DATA

n
NOTES ON WELL DATA TABLES
' 1) Readings for the WL -40s are displayed for each date. The WL -40s were programmed to take a
water level reading once every 1.5 hours, but for space reasons only one reading per day is
displayed in the tables. Magnetic copies and printouts of all of the WL -40 readings are on file
in the CZR- Wilmington office. On days when the shallow monitoring wells were not checked,
' the noon WL -40 reading is displayed in the tables. On days when the shallow monitoring wells
were checked, the WL -40 reading displayed is the one closest to the time that the shallow
monitoring wells were checked. The WL -40s are generally incapable of registering surface water
' depths of more than a few inches. During times when deep surface water was present, the
readings from a particular WL -40 may not closely match the readings from the corresponding
shallow monitoring well.
' 2) The rainfall column of each table gives daily rainfall totals from the weather station at the PCS
Phosphate plant site. The rainfall amount for a given date is the total rainfall for the 24 -hour
period ending at 0800 on that date. Because of the distance between the weather station and
' Bailey Creek (approximately 6 miles), rainfall amounts shown in the tables may not accurately
reflect actual rainfall on at Bailey Creek for some localized rainfall events.
B -1

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APPENDIX C
BAILEY CREEK FALL 2000 PHOTOS

�
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View to east across stilling basin. Undisturbed segment visible in middle background of
photograph, 15 November 2000.
�r
. . . . . . . . .. 1 00"
View to north from well 3' 15 November 2000.
C'l

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View to south prom well 3. 15 November 2000.
View to west from well 3, 15 November 2000.
I C -2

1
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View to east from well 3, 15 November 2000.
View to north from well 6, 15 November 2000.
I C -3

View to west from well 6, 15 November 2000.
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View to south from well 6, 15 November 2000.
C -4
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View to easy tro-n well 6, 15 November 2000_
View upstream from east end of channel. Marker pole for well 8 in foreground and undisturbed
segment in middle background, 15 November 2000.
C -5

View downstream from east end of undisturbed segment. Marker pole for we . 5 in left
foreground, 15 November 2000.
Lj
View upstream from west end of undisturbed segment, 15 November 2000.
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APPENDIX D
SCIENTIFIC AND COMMON NAMES OF PLANTS USED IN TEXT OR TABLES

Scientific name Common name
Taxodium distichum
Nyssa sylvatica
Nyssa biflora ( Nyssa sylvatica var. biflora)
Betula nigra
Fraxinus pennsylvanica
Quercus pagoda ( Quercus falcata var.
pagodaefolia)
Q. laurifolia
Q. michauxii
Q. nigra
Q. phellos
Bald cypress
Black gum
Swamp black gum
River birch
Green ash
Cherrybark oak
Laurel oak
Swamp chestnut oak
Water oak
Willow oak
D -1