HomeMy WebLinkAbout20021924 Ver 1_Monitoring Report_20110201FINAL
ANNUAL MONITORING REPORT
MCINTYRE CREEK RESTORTION SITE
AT HORNETS NEST PARK
MECKLENBURG COUNTY, NORTH CAROLINA
(EEP Project No. 243)
Submitted to:
North Carolina Department of Environment and Natural Resources
Ecosystem Enhancement Program
Raleigh, North Carolina
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PROGR..
February 2011
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FINAL
ANNUAL MONITORING REPORT
MCINTYRE CREEK RESTORTION SITE
AT HORNETS NEST PARK
MECKLENBURG COUNTY, NORTH CAROLINA
(EEP Project No. 243)
Submitted to:
North Carolina Department of Environment and Natural Resources
Ecosystem Enhancement Program
Raleigh, North Carolina
Prepared by:
Axiom Environmental, Inc.
218 Snow Avenue
Raleigh, North Carolina 27603
Design Firm:
KCI Associates of North Carolina, P.A.
Landmark Center 1, Suite 200
4601 Six Forks Road
Raleigh, North Carolina 27609
ii
Axiom Environmental, Inc.
February 2011
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PROGRAM
A
Table of Contents
1.0 EXECUTIVE SUMMARY ................................................................................. ..............................1
2.0 METHODOLOGY ............................................................................................ ............................... 3
2.1 Vegetation Assessment .................................................................................. ............................... 3
2.2 Stream Assessment ........................................................................................ ............................... 3
3.0 REFERENCES ................................................................................................... ..............................4
Appendices
APPENDIX A. PROJECT VICINITY MAP AND BACKGROUND TABLES
Figure 1. Vicinity Map
Table 1. Project Components and Mitigation Credits
Table 2. Project Activity and Reporting History
Table 3. Project Contacts Table
Table 4. Project Baseline Information and Attributes
APPENDIX B. VISUAL ASSESSMENT DATA
Figures 2 and 2A -213. Current Conditions Plan View
Tables 5A -5C. Visual Stream Morphology Stability Assessment Tables
Table 6. Vegetation Condition Assessment Table
Stream Fixed - Station Photos
Vegetation Monitoring Plot Photos
APPENDIX C. VEGETATION PLOT DATA
Table 7. Vegetation Plot Criteria Attainment
Table 8. CVS Vegetation Plot Metadata
Table 9. Total and Planted Stems by Plot and Species
APPENDIX D. STREAM SURVEY DATA
Cross - section Plots
Longitudinal Profile Plots
Substrate Plots
Table 10a. Baseline Stream Data Summary
Table 10b. Baseline Stream Data Summary (Substrate, Bed, Bank, and Hydrologic Containment
Parameter Distributions)
Table 11 a. Monitoring Data — Dimensional Morphology Summary (Dimensional Parameters —
Cross Sections)
Table 11 b. Monitoring Data — Stream Reach Data Summary
APPENDIX E. HYDROLOGY DATA
Table 12. Verification of Bankfull Events
Figure 3. Annual Climatic Data vs. 30 -year Historic Data
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (20 10)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Table of Contents
1.0 EXECUTIVE SUMMARY
The North Carolina Ecosystem Enhancement Program ( NCEEP) has completed restoration of 5178 linear
feet of stream at the McIntyre Creek Restoration Site (hereafter referred to as the "Site ") to assist in
fulfilling stream and wetland mitigation goals in the area. The Site is located in Hornets Nest Park on the
northern side of the City of Charlotte in Mecklenburg County. The Site is located in United States
Geological Survey (USGS) Hydrologic Unit 03050101170020 (North Carolina Division of Water Quality
[NCDWQ] Subbasin 03- 08 -34) of the Catawba River Basin and will service USGS 8 -digit Cataloging
Unit (CU) 03050101.
The Site is located within a NCEEP Targeted Local Watershed within the Long Creek watershed targeted
for restoration. Waters in the Site drain approximately 2.5 miles into Long Creek (NCDWQ No. 11 -120-
[2.5]), which is listed as impaired for elevated levels of copper and turbidity negatively affecting aquatic
life (NCDWQ 2010).
Prior to construction, the Site contained a degraded stream channel with a disturbed riparian buffer
located within Hornets Nest Park. Site streams were characterized by eroding banks, channel widening,
high sediment inputs from construction occurring in the upstream watershed and onsite bank erosion, and
channel incision as indicated by bank- height- ratios ranging from 1.4 to 1.9. Surrounding land uses
include commercial and residential areas with narrow riparian corridors adjacent to streams. Greater than
50 -55 percent of the contributing watershed had been cleared and developed.
The goals and objectives of this project focus on improving local water quality, habitat, and stream
stability. These goals were accomplished by the following.
1. Restoring stable channel morphology capable of moving flows and sediments provided by the
watershed.
2. Improving water quality by reducing soil and riparian vegetation loss resulting from lateral
erosion and bed degradation.
3. Improving aquatic habitat with bed variability and the use of in- stream structures.
4. Stabilizing tributaries draining into McIntyre Creek.
5. Providing educational opportunities through Mecklenburg County.
6. Improving the natural aesthetics of Hornets Nest Park.
7. Enhancing vegetation to provide habitat/food sources, shade the stream, filter overland runoff,
and remove soil particles and other nutrients from stormwater.
8. Protecting a Site identified in a watershed that is listed as impaired for elevated levels of copper
and turbidity (NCDWQ 2010).
Project construction was completed between March 2007 -May 2008 and remediation construction to
repair structures, stabilize banks, provide grade control, and dissipate stormwater energy was completed
between August 2009 - January 2010. The project restored 5178 linear feet of stream using Priority I
restoration by constructing a new meandering channel within the McIntyre Creek floodplain,
incorporating in- stream structures, installing grade control structures at the confluence with two
tributaries, and planting with native forest species. Site activities provide 5178 Stream Mitigation Units.
The Site will be protected by a permanent conservation easement held by the State of North Carolina.
Success criteria for stream restoration will be assessed using measurements of stream dimension, pattern,
and profile; site photographs; visual assessments; and vegetation sampling. Cross - section measurements
should show little or no change from the as -built cross - sections. If changes occur, evaluations will be
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (20 10)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina page 1
completed to determine whether changes are minor adjustments trending towards a more stable channel or
if changes indicate movement towards an unstable condition. Annual measurement should indicate stable
bedform features with little change from the as -built survey. Pools are expected to maintain depth with
lower water surface slope and riffles are expected to remain shallower with steeper water surface slopes.
Substrate measurements should indicate maintenance of distributions from-the design phase and baseline
measurements. In addition, there should be an absence of any significant aggradation or degradation of
the stream channel.
Several areas of bank erosion are located throughout the project as the result of high stream flows, vertical
banks, urbanized watershed, flashy flows, and tight radius of curvatures. These areas are depicted on
Figures 2 and 2A -213 (Appendix B) and should continue to be monitored closely. Currently, the stream
channel is considered to be within an acceptable range of variation compared to the as -built construction
channel. However, due to the extensive impervious surfaces located within the upstream watershed the
Site has periods of flashy flood flows even during smaller rain events. Flashy flood flows, compiled with
minor bank instability has resulted in some degradation of the channel including eroding outer bends and
slumping banks with loss of planted vegetation and reduced integrity of several structures. The loss of
planted stems due to sloughing banks will most likely make the banks, particularly outer bends, more
vulnerable to erosive flows and continued bank loss. Degradation is anticipated to continue to occur due
to the characteristics of the watershed.
Success criteria for stream restoration will include documentation of two bankfull channel events during
the monitoring period. In the event that less than two bankfull events occur during the first five years,
monitoring will continue until the second event is documented. In addition, bankfull events must occur
during separate monitoring years. Three bankfull events were documented during the year 1 (2010)
monitoring season.
Vegetation success criteria dictate that an average density of 320 stems per acre must be surviving in the
first three monitoring years. Subsequently, 290 stems per acre must be surviving in year 4 and 260 stems
per acre in year 5. Stem counts will be based on an average of the evaluated vegetation plots. Based on
the number of stems counted, average densities were measured at 429 stems per acre surviving in year 1
(2010). The dominant species identified at the Site were planted stems of river birch (Betula nigra),
green ash (Fraxinus pennsylvanica), cherrybark oak (Quercus pagoda), and willow oak (Quercus
phellos). Five of the ten individual plots met success criteria based on planted stems alone. Plots 2, 4, 7,
8, and 9 were below success criteria based on planted stems alone; however, when including naturally
recruited stems of appropriate species such as box elder (Ater negundo), river birch (Betula nigra), green
ash (Fraxinus pennsylvanica), and gum (Nyssa sp.) these plots were well -above 320 stems per acre.
Vegetation problem areas within the Site include a small patch of multiflora rose (Rosa multiflora) north
of the stream near cross - section 3 and a patch of kudzu (Pueraria lobata) north of the stream near cross -
section 2 (depicted on Figure 2, Appendix B). The kudzu is located on a filled area spreading from
outside of the easement towards the stream channel.
Summary information and data related to the occurrence of items such as beaver or encroachment and
statistics related to performance of various project and monitoring elements can be found in tables and
figures within this report's appendices. Narrative background and supporting information formerly found
in these reports can be found in the mitigation and restoration plan documents available on EEPs website.
All raw data supporting the tables and figures in the appendices is available from EEP upon request.
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina page 2
2.0 METHODOLOGY
2.1 Vegetation Assessment
Ten vegetation plots were established and marked after construction with four foot metal U -bar post
demarking the corners with a ten foot, three- quarter inch PVC at the origin. The plots are 10 meters
square and are located randomly within the Site. These plots were surveyed in September for the year 1
(2010) monitoring season using the CVS -EEP Protocol for Recording Vegetation, Version 4.0 (Lee et al.
2006) ( http: / /cvs.bio.unc.edu/methods.htm); results are included in Appendix C. The taxonomic standard
for vegetation used for this document was Flora of the Carolinas, Virginia, Georgia, and Surrounding
Areas (Weakley 2007).
2.2 Stream Assessment
Annual stream monitoring will be conducted following procedures established in the USDA Forest
Service Manual, Stream Channel Reference Sites (Harrelson et. al 1994) and methodologies utilized in the
Rosgen stream assessment and classification system ( Rosgen 1994 and 1996). Four permanent cross -
sections, two riffle and two pool, were established and will be used to evaluate stream dimension;
locations are depicted on Figure 2 (Appendix B). Cross - sections are permanently monumented with 4-
foot metal garden posts at each end point. Cross - sections will be surveyed to provide a detailed
measurement of the stream and banks including points on the adjacent floodplain, top of bank, bankfull,
breaks in slope, edge of water, and thalweg. Data will be used to calculate width -depth ratios,
entrenchment ratios, and bank height ratios for each cross - section. In addition, photographs will be taken
and pebble counts will be conducted at each permanent cross - section location annually.
Three approximately 1000 - linear foot monitoring reaches were established and will be used to evaluated
stream pattern and longitudinal profile; locations are depicted on Figure 2 (Appendix B). Measurement of
channel pattern will include belt- width, meander length, and radius of curvature (only in year one).
Subsequently, data will be used to calculated meander -width ratios. Longitudinal profile measurements
will include average water surface slopes and facet slopes and pool -to -pool spacing. Ten permanent
photo points were established throughout the restoration reach; locations are depicted on Figure 2
(Appendix B) and are included in Appendix B. In addition, visual stream morphology stability
assessments will be completed in each of the three monitoring reaches annually to assess the channel bed,
banks, and in- stream structures.
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (20 10)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina page 3
3.0 REFERENCES
Lee, Michael T., R.K. Peet, S.D. Roberts, and T.R. Wentworth. 2006. CVS -EEP Protocol for Recording
Vegetation, Version 4.0. (online). Available: http : / /cvs.bio.unc.edu /methods.htm.
National Oceanic and Atmospheric Administration (NOAA). 2004. Climatography of the United States
No. 20; Monthly Station Climate Summaries, 1971 -2000. National Oceanic and Atmospheric
Administration, National _Environmental Satellite, Data, and' Information Service, National
Climatic Data Center, Asheville, North Carolina.
North Carolina Division of Water Quality (NCDWQ). 2010. Final North Carolina 2010 Integrated
Report Category 4 and 5 (303(d) List EPA Approved August 31, 2010) (online). Available:
http://portal.ncdenr.org/c/document _ library/ get_ file ?uuid= 8ffobb29- 62c2- 4b33 -810c-
2eee5afa75e9 &groupld =38364 [December 1, 2010]. North Carolina Department of Environment
and Natural Resources, Raleigh, North Carolina.
North Carolina Ecosystem Enhancement Program (NCEEP). 2007. Catawba River Basin Restoration
Priorities. Available: http: / /www.nceep. net / services /restplans /RBRPCatawba2007.pdf [June
2010]. North Carolina Department of Environment and Natural Resources, Ecosystem
Enhancement Program. Raleigh, North Carolina.
Weakley, Alan S. 2007. Flora of the Carolinas, Virginia, Georgia, and Surrounding Areas (online).
Available: http: / /www. herbarium .unc.edu /WeakleysFIora.pdf [February 1, 2008]. University of
North Carolina Herbarium, North Carolina Botanical Garden, University of North Carolina,
Chapel Hill, North Carolina.
Weather Underground. 2010. Station at Charlotte Douglas International Airport (KCLT) in Charlotte,
North Carolina. (online). Available:
http: / /www.wunderground .com/history/airport/KCLT /2010 /4 /19 /CustomHistory.html [December
8, 2010].
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (20 10)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina page 4
APPENDIX A
PROJECT VICINITY MAP AND BACKGROUND TABLES
Figure 1. Vicinity Map
Table 1. Project Components and Mitigation Credits
Table 2. Project Activity and Reporting History
Table 3. Project Contacts Table
Table 4. Project Baseline Information and Attributes
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
own by FIGURE
20 Enterprise Street VICINITY MAP cLF
Suite 7 Date
Raleigh, NC 27607 MCINTYRE CREEK RESTORATION SITE Nov 2010
(919) 215 -1693 AT HORNETS NEST PARK
Project
Axiom Environmental, Inc
Mecklenburg County, North Carolina 10 -009
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Table 2. Project Activity and Reporting History
McIntyre Creek Restoration Site at Hornets Nest Park (EEP Project Number 243)
Elapsed Time Since Grading Complete: 0.9 years
Elapsed Time Since Planting Complete:2.5 year
Number of Reporting Years
Activity or Deliverable
Data Collection
Complete
Completion
or Delivery
Restoration Plan
--
December 2002
Construction Plans
--
March 2005
Site Construction and Planting
--
May 2008
As -built Construction Drawings
--
February 2008
Remediation Construction
--
January 2010
As -built Remediation Construction Drawings
--
November 2009
As -built Record Drawings
--
February 2010
Baseline Monitoring Document
July 2010
December 2010
Year 1 (20 10) Monitoring Document
December 2010
December 2010
Table 3. Project Contacts Table
McIntyre Creek Restoration Site at Hornets Nest Park (EEP Project Number 243)
Designer
KCI Associates of North Carolina, P.A.
Landmark Center I, Suite 220
4601 Six Forks Road
Raleigh, NC 27609
Gary Mryncza 919 - 783 -9214
Construction and Planting Contractor
United Construction, Inc.
6000 Old Pineville Road
Charlotte, NC 28217
704 - 679 -9229
As -built Surveyor
CSC of NC PC
4455 Morris Park Drive, Suite F
Charlotte, NC 28227
Mohammad Zamani 704 -573 -0112
Baseline Data Collection
Axiom Environmental, Inc.
20 Enterprise Street, Suite 7
Raleigh, NC 27607
Grant Lewis 919 - 215 -1693
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
Table 4. Project Baseline Information and Attributes
McIntyre Creek Restoration Site at Hornets Nest Park (EEF Project Number 243)
Project Information
Project Name McIntyre Creek Restoration Site
PrniPrt C'onnty Mecklenburg County North Carolina
Area
Coordinates
ect Watershed
Project River Basin
USGS 8 -digit HUC
USGS 14 -digit HUC
NCDWQ Subbasin
Project Drainage Area
Project Drainage Area Impervious Surface
CGIA Land Use Classification
Reach Sum
Restored length
Drainage Area
NCDWQ Index Number
NCDWO Classification
Valley Type/Morphological Descripti
Dominant Soil Series
Drainage Class
Soil Hydric Status
FEMA Classification
Native Vegetation Community
Percent Composition of Exotic Invasives
Waters of the U.S. — Sections 404 and 401
Endangered Species Act
Historic Preservation Act
CZMA/CAMA
FEMA Floodplain Compliance
Essential Fisheries Habitat
17 acres
35.319972, - 80.865133
Summary Information
Piedmont
Southern Outer Piedmont
Catawba
03050101
03050101170020
03 -08 -34
2.55 square miles
>50%
Urban High
ar Information
5178 linear feet
2.55 square miles
11- 120 -3 -(1)
C
VIII /E5
Monacan
Moderately well- somewhat poorly
Contains 5% hydric Wehadkee soils
0.0033
100 -Year Floodzone
Bottomland Hardwood Forest
0%
Considerations
Applicable
Yes - Received Appropriate Permits
No
No
No
Yes - Received a No Rise Certification
No
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (20 10)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
APPENDIX B
VISUAL ASSESSMENT DATA
Figures 2 and 2A -213. Current Conditions Plan View
Tables 5A -5C. Visual Stream Morphology Stability Assessment Tables
Table 6. Vegetation Condition Assessment Table
Stream Fixed - Station Photos
Vegetation Monitoring Plot Photos
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
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McIntyre Creek
Stream Fixed - Station Photographs
Taken December 2010
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc.
EEP Project Number 243
Mecklenburg County, North Carolina
Monitoring Year 1 of 5 (2010)
February 2011
Appendices
McIntyre Creek
Stream Fixed - Station Photographs
Taken December 2010
(continued)
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (20 10)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
McIntyre Creek
Vegetation Monitoring Photographs
Taken September 2010
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc
EEP Project Number 243
Mecklenburg County, North Carolina
Monitoring Year 1 of 5 (20 10)
February 2011
Appendices
McIntyre Creek
Vegetation Monitoring Photographs
Taken September 2010
(continued)
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
APPENDIX C
VEGETATION PLOT DATA
Table 7. Vegetation Plot Criteria Attainment
Table 8. CVS Vegetation Plot Metadata
Table 9. Total and Planted Stems by Plot and Species
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year I of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
Table 7. Vegetation Plot Criteria Attainment
McIntyre Creek Restoration Site (EEP Project Number 234)
Vegetation Plot ID
Vegetation Survival Threshold Met?
Tract Mean
1
Yes
50%
2
No*
3
Yes
4
No*
5
Yes
6
Yes
7
No*
8
No*
9
No*
10
Yes
*Based on planted stems alone, these plots don't meet success criteria; however, when including naturally recruited stems of
appropriate species such as box elder (Acer negundo), river birch (Betula nigra), green ash (Fraxinus pennsylvanica), and gum
(Nyssa sp.) these plots were well -above 320 stems per acre.
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
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APPENDIX D
STREAM SURVEY DATA
Cross - section Plots
Longitudinal Profile Plots
Substrate Plots
Tables l0a -b. Baseline Stream Data Summary
Tables l la -b. Monitoring Data
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
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APPENDIX E
HYDROLOGY DATA
Table 12. Verification of Banlfull Events
Figure 3. Annual Climatic Data vs. 30 -year Historic Data
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (20 10)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
„
Table 12. Verification of Bankfull Events
McInytre Creek Restoration Site (EEP Project Number 243)
Date of Data
Date of Occurrence
Method
Photo (if
Collection
available)
Total of 2.14 inches* of rain reported to fall over 2 days
September 23, 2010
July 12, 2010
(July 11 -12, 2010), in addition to large wrack/debris piles
1-2
and evidence of overbank flows within the adjacent
flood lain.
Total of 1.1 inches* of rain reported to fall over 2 days
September 23, 2010
August 19, 2010
(August 18 -19, 2010) after a total of 4.43 inches* of rain the
3
preceding 4 weeks, in addition to laid back vegetation and
evidence of recent standing water within the flood lain.
October 18, 2010
September 29, 2010
Total of 4.04 inches* of rain reported to fall over 6 days
__
(September 25 -30, 2010).
* Reported at KCLT Weather Station at the Charlotte Airport (Weatherunderground 2010).
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year I of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices
Month
30th ° /G*
70th %*
2010 **
Jan
2.79
4.76
4.88
Feb
2.27
4.28
3.79
Mar
2.84
5.28
4.37
Apr
1 1.85
3.57
1.44
May
2.34
4.41
3.37
June
2.02
4.16
2.89
July
2.38
4.58
2.48
Aug
2.29
4.51
4.75
Sept
2
4.68
4.18
Oct
1.77
4.52
1.13
Nov
2.3 t
4.01
1.38
Dec
2.09
3.81
5
4
N
Q!
t
-c'- 3
c
M
S 2
'u
d
a`
1
0 ti
LL
1
Figure 3. Annual Climatic Data
vs. 30 -year Historic Data
a C T 7
0 30th %* - 4 70th %*
J
II
1,
a
o
°
Z
o
*Charlotte Douglas International Airport 30 -year historic data (NOAA 2004)
* *Charlotte Douglas International Airport rainfall data (Weatherunderground 2010)
McIntyre Creek (final) at Hornets Nest Park Axiom Environmental, Inc. Monitoring Year 1 of 5 (2010)
EEP Project Number 243 February 2011
Mecklenburg County, North Carolina Appendices