U.S. Army Corps of Engineers Detroit District Battle Creek River Watershed Sediment Budget Study March 2008
U.S. Army Corps of Engineers Detroit District
Battle Creek River Watershed Sediment Budget Study
March 2008
Battle Creek River Watershed Sediment Budget Final Report
Prepared for U.S. Army Corps of Engineers Detroit District Prepared by NTH Consultants, Ltd. and
Baird W.F. Baird & Associates Ltd.
For further information please contact
Travis Dahl at (313) 226-3398
Cover photograph courtesy of Willard Library: Verona Dam near Battle Creek, MI, March 1908
TABLE OF CONTENTS UNIT CONVENTIONS ..................................................................................................................... 1 Executive Summary ........................................................................................................................... 2 1.0 Introduction ................................................................................................................................. 3
1.1 Objectives ................................................................................................................................. 3 1.2 Battle Creek River Watershed ............................................................................................... 4
2.0 Methods ........................................................................................................................................ 9 2.1 Literature Review .................................................................................................................. 10 2.2 Regional Sedimentation Study ............................................................................................ 11
2.2.1 Sediment Yield ............................................................................................................... 11 2.2.2 Soil Erosion ..................................................................................................................... 14 2.2.3 Fluvial Processes ............................................................................................................ 15 2.2.4 Mass Wasting .................................................................................................................. 15
2.3 Watershed Hydrology and Sediment Yield Modeling .................................................... 16 2.3.1 Hydrologic Data ............................................................................................................. 16 2.3.2 Spatial Data ..................................................................................................................... 18 2.3.3 SWAT Model Creation .................................................................................................. 28
3.0 Battle Creek River Sediment Budget Results ................................................................... 30 3.1 Literature Review .................................................................................................................. 30 3.2 Regional Sedimentation Study ............................................................................................ 31
3.2.1 Sediment Yield ............................................................................................................... 31 3.2.2 Watershed Soil Erosion ................................................................................................. 33 3.2.3 Fluvial Processes ............................................................................................................ 35
3.3 Watershed Hydrology and Sediment Yield Modeling .................................................... 38 3.3.1 Model Calibration Results ............................................................................................ 38 3.3.2 Model Results ................................................................................................................. 42
4.0 Conclusions and Recommendations ................................................................................. 47 Cited Literature ................................................................................................................................ 49 Tables ................................................................................................................................................. 53
ACRONYMS AVSWAT Arc View Soil and Water Assessment Took interface BCRW Battle Creek River Watershed BMP Best Management Practice CMI Clean Michigan Initiative FSA Farm Service Agency GIS Geographic Information System MDEQ Michigan Department of Environmental Quality MiGDL Michigan Geographic Data Library MRLC Multi-Resolution Land Characteristics Consortium NHD National Hydrography Database NID National Inventory of Dams NLCD National Land Cover Dataset NRCS Natural Resources Conservation Service RUSLE Revised Universal Soil Loss Equation SI Metric Units (Système international d'unités) SIAM Sediment Impact Assessment Model SSURGO Soil Survey Geographic Database STATSGO State Soil Geographic Database SWAT Soil and Water Assessment Tool TIGER Topologically Integrated Geographic Encoding and Referencing TMDL Total Maximum Daily Load USACE United States Army Corps of Engineers USGS United States Geological Survey USLE Universal Soil Loss Equation WRDA Water Resources Development Act
FIGURES Figure 1: Location map of Battle Creek Watershed ...................................................................... 6 Figure 2: 2001 NLCD Landuse classifications ................................................................................ 7 Figure 3: Previous sediment budget results for Great Lakes Watersheds from past 516(e)
studies. ....................................................................................................................................... 13 Figure 4: Weather stations and climatic regions for the Battle Creek River Watershed........ 20 Figure 5: Quaternary geology ........................................................................................................ 21 Figure 6: Elevation data ................................................................................................................. 22 Figure 7: SSURGO soils ................................................................................................................... 23 Figure 8: STATSGO soils ................................................................................................................. 24 Figure 9: Hydrography within Battle Creek Watershed ............................................................ 25 Figure 10: Locations of Dams in the Battle Creek River Watershed from the National
Inventory of Dams and MI Dept. of Natural Resources. ................................................... 26 Figure 11: 2006 FSA Compliance Imagery ................................................................................... 29 Figure 12: Sediment BMPs as listed in the "Battle Creek River Watershed Management
Plan" ........................................................................................................................................... 34 Figure 13: Engineering of channels (Boley-Morse, 2004) ........................................................... 36 Figure 14: Engineering of channels (2) (Boley-Morse, 2004) ...................................................... 36 Figure 15: CMI erosion site before stabilization (Source: www.kalamazooriver.net) ........... 37 Figure 16: CMI erosion site after bank stabilization (Source: www.kalamazooriver.net) .... 37 Figure 17: SWAT calibration comparison .................................................................................... 39 Figure 18: SWAT calibrated flow data versus observed data from the USGS discharge gage
at Battle Creek ........................................................................................................................... 40 Figure 19: SWAT output. Total water yield and sediment yield for entire basin ................ 41 Figure 20: Average annual channel deposition or erosion per mile of channel. .................... 44 Figure 21: Average annual sediment yield by sub-basin. ......................................................... 45 Figure 22: Sediment budget from SWAT model results by source .......................................... 46 TABLES Table 1: Land type distribution within the Battle Creek River Watershed .............................. 8 Table 2: Discharge Data for the Battle Creek River Watershed ................................................ 17 Table 3: Sediment Yield Estimates for the Battle Creek River Watershed ............................... 31 Table 4: Average annual channel erosion or deposition estimation by sub-basin ................. 42 Table 5: Average annual sediment load estimates from watershed sources ......................... 43 Table 6: Sediment BMPs listed for BC Watershed ...................................................................... 54
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UNIT CONVENTIONS
This report relied upon a wide variety of data from numerous sources. Most published values of
scientific data are reported in metric units according to the International System of Units (SI -
Système international d'unités). However, many values from agency reports and engineering
documents use the U.S. Customary System of units. Throughout this report, the results of
computations are reported in SI units to adhere to standard convention. The following abbreviations
and conversions can be used to compare data:
• Ton (T) – U.S. customary short ton = 2,000 pounds = 907.2 kg.
• ton (t) – metric ton = 1.1 Ton.
• Acre (ac) = 43,560 ft2 = 4,046 m2 = 0.046 Hectare (ha).
• Cubic meters per second (cms) = 35.32 cubic feet per second (cfs).
• Acre*feet (Acft) = 1,233 m3.
• gram/cubic centimeter (g/cc) = 1 part per million (ppm) = 1 t/m3.
• 1 Ton per square mile per year = 0.00156 T/ac/yr = 0.350 t/km2/yr = 0.00350 t/ha/yr
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EXECUTIVE SUMMARY
The Battle Creek River is a large tributary to the Kalamazoo River in southwestern lower Michigan. This primarily agricultural watershed has been implicated as the largest contributor of sediment to the Kalamazoo River. Potential sources of sediment include bank erosion, agricultural runoff, road crossings, construction runoff, ditch maintenance, dams, bed erosion, and urban runoff. A Clean Water Act Section (319) grant was recently awarded to local agencies to foster the development and utilization of soil conservation and water quality improvement best management practices for the Battle Creek River Watershed, 241 mi2 (BCRW – Figure 1). The potential impacts of these activities on soil erosion and sedimentation could be significant. Under Section 516(e) of the Water Resources Development Act, the U.S. Army Corps of Engineers Detroit District was authorized to conduct a sediment budget analysis for the BCRW. This report presents the results of this sediment budget and potential impacts of the Section 319 efforts on sediment reductions. A variety of regional sediment yield tools were applied to provide estimates of the expected range of total sediment yield from the BCRW, These ranged from 0.04 to 5.3 t/ha/yr with the most consistent estimates ranging from approximately 0.4 to 0.8 t/ha/yr. A watershed hydrology and sedimentation model was built using the Soil and Water Assessment Tool (SWAT) to provide a quantitative and physically based estimate of total sediment yield by sources for the BCRW. Sources included non-point source runoff from soil erosion and erosion of in channel sediments by fluvial scour. SWAT estimated total sediment yield of 0.84 t/ha/yr, 68,500 tons from soil erosion and 20 tons from channel processes. While sediment contributions from bank erosion may be quite high at a local level, the fate of these sediments was only estimated with SWAT. For example, SWAT predicted a number of reaches that would be likely sinks of sediment eroded from upstream channels. This would be consistent with many portions of the drainage network that require regular dredging to maintain conveyance capacity in the agricultural ditches. Unfortunately, the volume of material dredged from the channels is an unknown component of the sediment budget. The dredged channel sediments are often deposited as “berms” along the drainage ditches and may be reintroduced to the drainage system over time through bank erosion. Bank erosion has been suggested as being the largest portion of the sediment budget for the Battle Creek River, but there has not been enough data collected to properly estimate the contribution of sediment from bank erosion. These sources may represent large components of sediment budgets at the local and watershed scale. Future efforts to manage and reduce sedimentation in the BCRW should emphasize quantifying these contributions.
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1.0 INTRODUCTION
The Battle Creek River Sediment Budget Study builds on previous studies performed under
authority of Section 516(e) of the Water Resources Development Act (WRDA) 1996. Section
516(e) directs the U.S. Army Corps of Engineers (USACE) to develop sediment transport models for
all major Great Lakes tributaries contributing sediment to Federal navigation projects or Areas of
Concern (AOCs). The goal of this project was to develop a sediment budget for the Battle Creek
River Watershed (BCRW) that may be used by local and regional stakeholders and regulatory
authorities to facilitate the identification, prioritization, and implementation of sedimentation
reduction strategies.
The Battle Creek River is a tributary of the Kalamazoo River in the agricultural lands of
southwestern lower Michigan (Figure 1). Consequently, the drainage system is made up of a mix of
natural rivers, tile drains, and ditches. Upstream of Bellevue in Eaton County, much of the river and
its tributaries have been channelized. Many of the typical issues that affect creeks and rivers in
agricultural lands have contributed to historic sedimentation issues in Battle Creek including; soil
erosion and runoff, stream bank and channel instability, and loss of riparian corridor (MDEQ, 2004).
Using available data for these processes from local, regional, state, and federal stakeholders, a
sediment budget was developed for the BCRW.
1.1 Objectives
The goal of this project was to develop a comprehensive sediment budget for the BCRW using
existing data. The following objectives were established to meet this goal:
1. Gather and review all potential sources of sedimentation information;
2. Process, quality check, and synthesize these to develop core sediment budget components;
• Soil erosion
• Stream bank erosion
• Channel erosion and deposition
• Total BCRW sediment yield
3. Develop total watershed sediment budget.
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1.2 Battle Creek River Watershed
The Battle Creek River is a tributary to the Kalamazoo River in southwestern Michigan. The
drainage area is approximately 241 square miles where the Battle Creek River joins the Kalamazoo
in the city of Battle Creek. The majority of the land (52%) within the watershed is used for
agriculture while the rest is forested, wetlands, and developed (Figure 2). Table 1 shows a complete
breakdown of land uses within the study watershed. Populated areas within the watershed include
Charlotte, Olivet, Bellevue, and the city of Battle Creek.
Excessive sediment loads and sedimentation in the Battle Creek River and its tributaries have been
implicated with the degradation of water quality and aquatic habitat here as well as downstream in
the Kalamazoo River (Calhoun Conservation District, 2004). Issues of concern are typical for
agricultural watersheds in this region and include:
• Increased runoff from:
o Agricultural land use conversion
o Tile drainage
• Increased magnitude and frequency of discharge events from:
o Increased runoff
o Straightening natural channel
o Drainage ditch construction
• Increased sediment yield from:
o Soil erosion from agricultural lands
o Channel incision
o Stream bank instability
o Ditch disturbance from maintenance activities
A number of stream and watershed conservation efforts have been undertaken to minimize the
impacts of these disturbances on the hydrology and stability of the river system. Soil conservation
and agricultural best management practices have been implemented on a number of farms under
local, state, and federal conservation authorities. Riparian restoration and buffer projects have been
developed in conservation corridors to reduce sediment yield from fields and enhance stream bank
stability. Stream bank stabilization projects have been undertaken to cut back eroding stream banks,
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remove stream bank berms and dredge material, reduce entrenchment of streams, and improve
stream bank stability and habitat. Perhaps the most visible restoration action was the removal of the
Elm Street Dam on the Battle Creek River in the city of Battle Creek in August of 2005. This dam
was built in the early 1900’s to supply cooling water for a coal fired power plant. Removal of the
dam included comprehensive analyses of river hydraulics, sediment transport capacity for alternative
scenarios, and natural channel design for the impacted sections of river (MDEQ, 2005).
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Figure 1: Location map of Battle Creek Watershed
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Figure 2: 2001 NLCD Landuse classifications
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Table 1: Land type distribution within the Battle Creek River Watershed
NLCD 2001 Classification % of Total Area Open Water 1.2%Developed, Open Space 5.5%Developed, Low Intensity 3.3%Developed, Medium Intensity 0.7%Developed, High Intensity 0.4%Barren Land 0.4%Deciduous Forest 16.5%Evergreen Forest 0.5%Mixed Forest 0.4%Scrub/Shrub 0.2%Grasslands/Herbaceous 1.5%Pasture/Hay 16.7%Cultivated Crops 35.5%Woody Wetlands 17.0%Emergent Herbaceous Wetland 0.3%
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2.0 METHODS
A combination of literature review, regional sedimentation analyses, and watershed hydrology
and sedimentation modeling were used to develop a detailed sediment budget for the BCRW.
The literature review is described in section 2.1 below.
Results of the literature review, including published soil erosion, sediment yield, and watershed
and basin denudation studies from watersheds in similar physiographic regimes, were used to
determine the expected range of values for sediment budget components for the BCRW.
Geographical scaling of these results and sediment budget analyses were used to develop
sediment budget approximations for the BCRW, section 2.2.
A typical mass-balance approach was originally planned to develop the final sediment budget for
BCRW. Following the comprehensive review of existing discharge, suspended sediment, river
survey, and fluvial data, it was concluded these data could not be used to develop a sediment
budget. Consequently, a more advanced sediment modeling approach requiring the development
and calibration of a watershed hydrology and sedimentation model was developed. This is
described in section 2.3.
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2.1 Literature Review
An extensive literature review was conducted to gather all information related to sediment issues
within the BCRW. Potential sources of information included geospatial data, scientific literature
and publications, agency reports, and local media sources. The literature review also included
telephone and email interviews with relevant local, state, and federal agency officials to gather
unpublished reports and data including stream bank erosion assessments, conservation reserve
program (CRP) enrollment and performance statistics, and hydraulic models developed for
floodplain mapping and hydraulic structure analyses (e.g. bridge and dam removal studies). A
list of reviewed literature can be found at the end of this report.
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2.2 Regional Sedimentation Study
The term sediment budget is widely used and often, with various meanings. One of the most
important steps in determining a sediment budget is defining what one actually is. While
numerous publications and authors have reported on this, Lane, et. al. (1997) provide one of the
more thorough reviews and discussions available and emphasized the importance of identifying
source, transport, and sink areas across spatial scales. All of these areas exist at essentially every
scale, from plot (10-6 km2) to regional and continental scale basins (107 km2). Quite simply, a
watershed sediment budget represents an accounting of all sediment sources and sinks. While
sediment transport processes redistribute sediments and may be represented in sediment budgets,
they need not be. Indeed, sediment transport processes and sediment sources and sinks may be
interchanged depending upon the time scale of concern. For example, flood plain sediments
represent transient storage in a long-term average annual sediment budget, transport in geologic
time, and may locally be a dynamic source and or sink on an event basis. For the BCRW
Sediment Budget, sources include any potential sediment sources upstream of the BCRW outlet
at the U.S. Geological Survey (USGS) discharge monitoring station in Battle Creek, Michigan
(Latitude 42°19'53", Longitude 85°09'13", Gauge id 04050003). Sediment yield and the
sediment budget represent total sediment discharge past this point.
2.2.1 Sediment Yield
The most important part of a sediment budget is the total sediment yield from a watershed
(sediment budget end member). This value represents the maximum amount of sediment
exported from the watershed and is the net sum of all sediment sources; it is typically represented
as a long-term average annual yield (mass/time) or sediment discharge value (mass). The four
primary methods to estimate total yield are denudation rate computations, regional sediment
yield relationships developed from gauge data, depositional sediment surveys in receiving water
bodies, and mechanistic sediment yield modeling.
2.2.1.1 Denudation Rate
The term denudation rate refers to the spatially averaged rate of erosion across a basin.
Denudation rates are typically generated for specific physiographic settings having similar
geologic, climatic, and land use conditions. While the process of basin denudation includes both
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dissolved and particulate loads, denudation rates are often reported just for particulate loads.
Denudation represents the simple difference between terrain loss (erosion and solution) and
terrain building (uplift, windblown soil, etc.). While terrain building often exceeds erosion
(which is the case in much of the Great Lakes physiographic region), there is still denudation.
The broad scale estimate of denudation for Great Lakes lowlands with cold winters as provided
by Leopold, et. al. was 2.9 cm per 1,000 years (1995; Corbel, 1959).
2.2.1.2 Regional Sediment Yield Data
A wholly separate estimate for the same physiographic region listed minimum, average, and
maximum values as 10, 100, and 800-tons/square mile/yr, respectively (0.035, 0.35, and 2.8
t/ha/yr) (U.S. Water Resources Council, 1968).
Previous sediment budgets created for similar Great Lakes Watersheds show a strong correlation
between watershed area and sediment yield. These results represent sediment yields estimated
by a variety of physically based, calibrated watershed sedimentation models 516 (e) studies
conducted over the past ten years and can be seen in Figure 3. These results were used to
develop the regional relationship and estimate sediment yield for the BCRW.
A recent study on dam removal dynamics within the Plainwell-Otsego impoundment
downstream of Battle Creek was conducted to determine the sediment loading into the
impoundments in that reach of the river by Wells, Langendoen, and Simon (2007). This study
looked at sediment deposition within the impoundments between Otsego and Plainwell. Their
study concluded that sediment load rate into the Plainwell impoundment, the farthest upstream,
was approximately 71 T/day (Wells, Langendoen, & Simon, 2007).
A variety of other studies focusing on this region were used to estimate the sediment load from
the BCRW. These studies used many different methods for calculating sediment loads and were
applied to this watershed for comparison purposes.
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Figure 3: Previous sediment budget results for Great Lakes Watersheds from past 516(e) studies.
2.2.1.3 Sediment Survey
Sediment contributions from upstream sources may be estimated using bathymetric surveys and
sediment depth estimations. Since there are a few impoundments within the BCRW, this was
initially considered as a method for determining the sediment budget for the watershed.
Following conversation with local agencies, it was determined that there had not been
comprehensive bathymetric and sediment surveys of the reservoirs within the BCRW for use of
this method.
2.2.1.3 Regional Sediment Yield Modeling
The watershed sediment yield model of Lane (2001) is based upon a transport limited
assumption, that is, sediment sources are readily available within the watershed and total
sediment yield is controlled by available precipitation and runoff to erode and transport
sediments to, through, and out of the watershed (Lane, 2001). This method was initially
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considered for analysis of the watershed, but following data review, it was determined that there
was not enough sediment data within the Battle Creek River to successfully use this method.
2.2.2 Soil Erosion
The use of simple soil erosion models (e.g. USLE, RUSLE) often results in the over prediction
of sediment yield values because sediment delivery is either not considered or not conducted at
the proper scale to reflect erosion and sediment transport processes (Riedel, et. al., 2005a; Riedel
and Vose, 2002; Bolstad, et. al., 2005; Lane, 2001; Trimble and Pierre, 2000; Nearing, 1998).
These simple models were developed for plot level studies and do not represent landscape to
watershed scale sedimentation processes.
Soil erosion and sedimentation can have a large impact on the environment and economy within
the Great Lakes region. These include loss and degradation of farming land, loss of aquatic
habitats, reduction in water quality, and filling in of impoundments and navigation channels.
The Great Lakes Tributary Modeling Program through the U.S. Army Corps of Engineers (2005)
and the Great Lakes Basin program for soil erosion and sediment control (Great Lakes
Commission, 2007) are two programs being implemented throughout Great Lakes states to
reduce sediment loads from soil erosion in Great Lakes tributaries.
Within the BCRW Management Plan drafted under a Clean Water Act 319 grant, a list of critical
sediment source areas within the watershed was created. Areas where Best Management
Practices (BMPs) could be implemented were suggested along with their estimated pollutant
reduction potential. Many of these critical areas listed streambank erosion as contributing large
amounts of sediment to the river. A location map of all the sediment BMPs noted can be seen in
Figure 12. Table 6, adapted from the Watershed Management Plan, lists all BMPs where the
cause of water quality degradation was excessive sedimentation.
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2.2.3 Fluvial Processes
2.2.2.1 Bank Erosion
It has been noted that bank erosion is the largest contributor of sediment from the BCRW
(Calhoun Conservation District, 2004). Many of the waterways in the upper portion of the
watershed are established county drains and have been straightened, widened, and are regularly
dredged to support agricultural practices (Figure 13, Figure 14). These channels often become
entrenched and disconnected from the floodplain, causing further erosion during the flooding
season. The practice of disposing of dredge materials along the channel banks creates berms of
sediment that exacerbate the issue of channel and bank instability by partially or wholly
confining high frequency, low magnitude flood events within the channels. This concentrates
flood flows within channels and prevents the spreading and dissipation of flood energy across
broad floodplains.
Bank erosion varies widely across the watershed with differences in watershed, river and valley
characteristics. Some areas of the river run through riparian forested or wetland corridors,
mostly downstream of Bellevue. Other areas have had channel alterations but are still within the
active riparian corridor. Some of the channels have been completely altered and have
agricultural fields right up to their edge. Several different sites within the Kalamazoo Watershed
have been monitored to estimate sediment contribution due to stream bank erosion through the
Clean Michigan Initiative (CMI) Grant Project (www.kalamazooriver.net).
2.2.4 Mass Wasting
Mass wasting is a general term that encapsulates a variety of forms of large bluff, hill slope, soil,
or other form of earth movement/displacement. Typical forms of mass wasting for the Great
Lakes region include slumping of hillslopes (small landslides), bluff failure, and cliff failure
(Riedel, et. al., 2005b). Mass wasting was not mentioned within the watershed management plan
(Calhoun Conservation District, 2004) and is not a significant sedimentation process in the
BCRW. Mass wasting is typical of high-relief areas and therefore is not an issue in this low-
relief agricultural area.
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2.3 Watershed Hydrology and Sediment Yield Modeling
A distributed watershed hydrology and sedimentation modeling approach was developed to
estimate sources of sediment in the BCRW (eroding from land and entering the drains and river).
Following a model review process, the SWAT (Soil and Water Assessment Tool) model was
determined to be the most appropriate tool for this region because it implicitly accounts for all of
the agricultural practices in this region including agricultural cropping practices, soil
conservation practices, artificial watershed drainage by tile drains and ditches, and degradation
of channel beds. SWAT is a physically based model that was developed to aid in prediction of
the impacts of climate change, reservoir management, land use change, and watershed
management practices on water, sediment, and chemical dynamics in complex watershed
systems. Much of the data needed to create a SWAT model is available free to the public; a
model can easily be developed using available climate, terrain, soils, and land use data.
The Sediment Impact Assessment Model (SIAM) was also considered as a potential tool to
estimate sediment sources and fluxes from fluvial processes (Mooney; 2006; Mooney, et. al.,
2001). However, the specific data needs of SIAM requiring channel metrics, discharge and
hydraulic measurements, and sediment distributions for the fluvial network in the BCRW
precluded it as these data did not exist with sufficient geographic coverage.
2.3.1 Hydrologic Data
Hydrologic data were obtained to support the development of a hydrologic budget and SWAT
model development for the BCRW. Primary data sources were climatic and hydrologic
observations.
2.3.1.1 Climatic Data
Observed, daily climatic data for the period 1998 to 2007 were obtained from the National
Weather Service’s National Climatic Data Center (NCDC) at www.ncdc.noaa.gov. This period
of record was chosen because continuous precipitation and temperature data needed for model
calibration were available from the nearby weather stations at the Battle Creek and Lansing
airports. The spatial distribution of these gauges helps represent the spatial variability of rainfall
and temperature across the watershed. These stations were also chosen because they were within
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the same climatic region as the BCRW, which is located in the far southern portion of the DFb
climate (snow, fully humid, warm summer), as shown in Figure 4.
Climatic data for hydrology and sedimentation forecasts were obtained from the GIS database
included within SWAT. This database includes locations and climatic statistics for over 11,000
National Weather Service (NWS) Cooperative Observer stations that can be used to generate the
SWAT model data requirements including rainfall, temperature, solar radiation, wind speed and
relative humidity.
2.3.1.2 Discharge Data
Discharge data for calibration were available for USGS gauging stations in the BCRW. These
records contain daily average discharge data for the corresponding period of record of observed
climatic data. Table 2 lists the stations used for development of the SWAT model and their
corresponding period of record.
Table 2: Discharge Data for the Battle Creek River Watershed
HUC Site Number Site Name Area
(mi2) Dec. Lat. Dec. Lon. Begin Date End Date Records
04050003 04105000 Battle Creek at Battle
Creek, MI 241 41.33139 85.15361 10/30/1930 11/5/2007 27533
04050003 04104945 Wanadoga Creek
Near Battle Creek, MI 48.3 42.39639 85.13167 10/1/1994 11/5/2007 4784
2.3.1.3. Base Flow Data
Base flow for every reach of the National Hydrography Dataset (NHD) (Figure 9) within the
state of Michigan has been calculated under the Groundwater Inventory and Mapping Project
(GWIM) (MDEQ et al., 2006). These data were used in conjunction with the discharge data at
the USGS gauges to compare observed base flows with the base flow from the SWAT model.
2.3.1.4 River Hydraulic Data
No regional curve data relating channel dimensions to watershed area were available for the
BCRW. However, regional data were available for the Upper Menominee River watershed,
which is in the same physiographic region, Central Lowland Eastern Lake section, as the BCRW
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(Mistak & Stille, 2007). These data were compared to surveyed channel metrics at USGS stream
gage sites in the BCRW and high-resolution aerial imagery and found to be consistent for use in
developing the hydraulic routing and channel dynamics capabilities in SWAT.
2.3.2 Spatial Data
A large variety of public GIS data were gathered from public sources, agency clearinghouses,
and agency personnel to build the GIS sediment budget database for the BCRW. These data
were all projected into the common projection and datum, NAD 1983 – Michigan State Plane
South. These data are described below and were used to build a watershed hydrology and
sediment yield model using SWAT and the GIS based ArcView SWAT interface (AVSWAT).
2.3.2.1 Climatic Stations
Climatic station data were obtained from the National Weather Service, National Climatic Data
Center (NCDC) (http://www.ncdc.noaa.gov/oa/ncdc.html). Additional stations and climatic
region information were obtained from the Michigan Geographic Data Library (MiGDL)
(http://www.mcgi.state.mi.us/mgdl/) and the Weather Generator database in SWAT. These data
were used to develop a GIS point file showing the locations of climatic stations suitable for
hydrologic and sediment transport analyses in the BCRW. The spatial distribution of weather
gauges used for the SWAT model are illustrated in Figure 4.
2.3.2.2 Geologic Data
During the last glaciation, Battle Creek watershed was at the southern extent of advancing glacial
lobes. Consequently, the surficial geology includes a mix of inter-bedded glacial lake deposits
(lacustrine clay), sand ridges from old shorelines, unsorted till, and sorted outwash deposits.
Quaternary geology data for the Battle Creek watershed were obtained from the USGS,
1:100,000 scale series of geologic maps for the Great Lakes region (Figure 5).
http://pubs.usgs.gov/dds/dds38/shape.html
2.3.2.3 Terrain Data
Terrain in this region is generally subdued. Uplands include rolling hills and flat fields
interspersed with meandering stream valleys (Figure 6). Elevation within the watershed ranges
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 1 9 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
from 800 feet near the city of Battle Creek to 1,060 feet farther upstream. The highest quality
terrain data here are 1/3 arc second (10 meter) data from the USGS (http://ned.usgs.gov/).
2.3.2.4 Soils Data
There are two levels of soil data available, Soil Survey Geographic Database (SSURGO) and
State Soil Geographic Database (STATSGO). Field mapping methods used national standards to
construct the soil maps in the SSURGO database range from 1:12,000 to 1:63,360 and are the
most detailed level of soil mapping (Figure 7). STATSGO mapping provides general planning
level information for soils and was generated at larger scale (Figure 8).
http://www.ncgc.nrcs.usda.gov/products/datasets/
2.3.2.5 Hydrography Data
The USGS National Hydrography Database (NHD) represents the most current hydrography for
the region (Figure 9) and was developed from 1:24,000 scale topographic maps
(http://nhd.usgs.gov/). The 10-meter terrain model DEM was used to enhance digital
hydrography data for the BCRW. The digitally generated streams were compared with the NHD
dataset to insure accuracy with the model.
2.3.2.6 Dams Data
Data for dams within the watershed were retrieved from the U.S. Army Corps of Engineers
National Inventory of Dams (NID) (http://crunch.tec.army.mil/nidpublic/webpages/nid.cfm).
This website provides hydraulic data necessary for hydrologic modeling for the dams such as
volume, surface area, and maximum discharge. The dams within the BCRW listed within NID
are shown in Figure 10. It is important to note that recently removed dams (Elm Street Dam
within the city of Battle Creek and the Charlotte Dam) are not included with this figure. The
NID only includes dams that fall under the following categories:
1. High potential hazard class
2. Low potential hazard class exceeding 25 feet high and 15 acre-feet storage
3. Low potential hazard class exceeding 6 feet high and 50 acre-feet storage
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 2 0 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 4: Weather stations and climatic regions for the Battle Creek River Watershed
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 2 1 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 5: Quaternary geology
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Figure 6: Elevation data
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Figure 7: SSURGO soils
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 2 4 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 8: STATSGO soils
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Figure 9: National Hydrography Dataset (NHD) streams within Battle Creek Watershed
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 2 6 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 10: Locations of Dams in the Battle Creek River Watershed from the National Inventory of Dams and MI Dept. of Natural Resources.
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 2 7 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
2.3.2.6 Land Use Data
There were two potential sources of publicly available land use data included in the watershed
geodatabase: the 1992 and 2001 versions of the National Land Cover Databases (NLCD) developed
by the federal level, multi-agency, Multi-Resolution Land Characteristics Consortium (MRLC).
Both of these data sources may be obtained from:
MRLC - http://landcover.usgs.gov/classes.php.
There are three primary differences between the NLCD1992 and NLCD2001 databases. First,
NLCD2001 data are of generally higher quality because the 2001 initiative took advantage of
“lessons learned” during the production of the 1992 data. This includes improved coordination and
timing of satellite flights, improved processing methods, and optimized land cover classifications.
Second, NLCD2001 data are more current as they were developed using satellite imagery from 2001
whereas NLCD is based upon 1992 satellite imagery. Third, the NLCD2001 database has included
additional low-density residential areas where TIGER Roads data were buffered. The differences in
production methods and database quality between the NLCD1992 and NLCD2001 are extensive.
Complete descriptions of each database may be found at;
NCLD1992 - http://landcover.usgs.gov/natllandcover.php
NLCD2001 - http://www.mrlc.gov/mrlc2k_nlcd.asp
The NCLD1992 includes 21 specific land uses that represent a variety of urban, agricultural and
natural landscapes. The NLCD2001 dataset contains a further refined land use scheme including 28
different land use classes. The physiology of the vegetation for these landscapes is represented in
SWAT and includes typical characteristics necessary to simulate hydrologic and erosion processes
including, but not limited to, growing season length, phyto-productivity, leaf area, plant water use,
organic matter accumulation, nutrient uptake, and soil protection.
The NLCD 2001 data was used for analysis purposes, as it was the most detailed and accurate data
available. These were shown previously in Figure 2.
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2.3.2.7 Aerial Imagery
High-resolution real color aerial imagery was developed for this region by the U.S. Dept. of
Agriculture Farm Service Agency (FSA) and was obtained from the Natural Resources Conservation
Service (NRCS). This imagery is shown in Figure 11. The high resolution of this imagery allowed
for quality assurance checking and identification of land cover including agricultural lands,
forestland, presence of riparian areas, and large areas of bank erosion.
2.3.3 SWAT Model Creation
Data from the sources described above was compiled to create a complete SWAT model for the
watershed. Daily precipitation and temperature data from the NCDC was formatted for input into
SWAT. Land cover (2001), terrain, and STATSGO soils GIS data were compiled and brought into
the SWAT project through the SWAT’s Arcview interface AVSWAT.
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Figure 11: 2006 FSA Compliance Imagery
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3.0 BATTLE CREEK RIVER SEDIMENT BUDGET RESULTS
3.1 Literature Review
A list of reviewed sources can be found in the Cited Literature section of this report. Literature
came from a variety of sources that accurately represented the region and watershed. Many studies
on sediment had been conducted on the impoundments downstream of confluence of Battle Creek
with superfund sites and TMDLs being conducted. Several references had been made throughout
the literature that the Battle Creek River was the largest contributor of sediment to the Kalamazoo.
The results of the literature review and interviews with local authorities failed to identify the source
of this common notion; it could not be validated. The focus of research and water quality projects in
the area has been on phosphorous data collection and the impacts of phosphorus loadings on water
quality in the Kalamazoo River, not sediment.
The BCRW Management Plan, drafted by the Calhoun Conservation District (2004), addresses a
wide variety of environmental issues within the BCRW including areas that have erosion and
sedimentation issues. These areas are shown in Figure 12. The areas listed within the Watershed
Management Plan focused on locations where Best Management Practices (BMP) could be applied
and developed cost estimates for their implementation. It was estimated within the report that if
applied, these BMPs could reduce sediment loads to the watershed by 2,800-3,000 tons per year.
In addition to available literature, conversations with local stakeholders indicated that publications
on the impact of dam removal within the BCRW will be released soon following completion of field
studies.
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 3 1 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
3.2 Regional Sedimentation Study
The estimates for total BCRW sediment from the sediment budget methods are summarized in Table
3 and spanned nearly two orders of magnitude. Specific results for each method and sample
computations are presented in section 3.2.1.
Table 3: Sediment Yield Estimates for the Battle Creek River Watershed
Source Sediment Yield T/mi2/yr t/ha/yr U.S. Water Resources Council, 1968 10-800 0.35 Leopold et. al, 1995; Corbel, 1959 131 0.46 Brune, 1951 1514 5.30 Dendy and Bolton, 1976 685 2.40 Syed, Bennett, & Rachol, 2004 22 0.08 Ouyang, Bartholic, & Selegan, 2005 25-49 0.09–0.17 Past 516(e) studies 154 0.54 SWAT model 240 0.84
3.2.1 Sediment Yield
3.2.1.1 Denudation Rate
The broad scale estimate of denudation for lowlands with cold winters as provided by Leopold, et.
al. was 2.9 cm per 1,000 years (1995; Corbel, 1959). If this rate is reflective of BCRW, then the
total sediment yield can be estimated as:
Denudation rate * unit conversion * Bulk density1 * Basin area = Yield (2.9cm)/(1000yr) * (.01m/cm) * (1.6 t/m3) * (6.242e8 m2) = 28, 960 t/yr = 0.46 t/ha/yr = 131 T/mi2/yr
While computed from a broad, physiographic based estimate of denudation rate, this estimate of
sediment yield is certainly within a reasonable range for a Great Lakes watershed dominated by
agricultural land use (Inamdar, S., and Naumov; Ouyand, et. al., 2005).
1 Average bulk density according to N.R.C.S. Soil Survey data – www.websoilsurvey.nrcs.usda.gov.
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3.2.1.2 Regional Sediment Yield Data
A wholly separate estimate for the same physiographic region listed minimum, average, and
maximum values as 10, 100, and 800-tons/square mile/yr, respectively (0.035, 0.35, and 2.8 t/ha/yr)
(U.S. Water Resources Council, 1968). The average is similar to that from section 3.2.1.1.
Brune (1951) conducted a comprehensive survey of hundreds on reservoir sediment survey data
from old Soil Conservation Service dams across the United States with watersheds covering nearly
the entire range of physiographic regions and land types. While there was no single relationship to
predict sediment yield across the database, sediment yield did show significant dependence on
watershed area when controlled for lithology and land cover type. Brune used these results to
develop nomographs to predict sediment yield for various regions based upon unit volume of annual
runoff (volume / watershed area), percentage of land under cultivation, and watershed size. Results
from this nomograph for Battle Creek Watershed indicate the expected sediment yield would be
approximately 1,500 T/mi2/yr, or 5.3 t/ha/yr.
Dendy and Bolton (1976) developed sediment yield relationships for the physiographic regions of
the United States using observed sediment discharge data from gauging stations. For the Great
Lakes region, their data included a number of agricultural basins similar to BCRW. Sediment yield
predicted according to their method is:
Sediment Yield = 674 (Watershed Area)-0.16
= 674 (624.2km2) -0.16
= 2.4 t/ha/yr = 685 T/mi2/yr
In another study, using a combination of modeling methods including the Revised Universal Soil
Loss Equation (RUSLE) for soil erosion and a GIS based sediment delivery model (SEDMOD),
Ouyang, et al (2005) estimated sediment loading rates for many Great Lakes watersheds considered
to be high contributors of sediment. These methods use information about soils, rainfall, slopes,
land roughness, and land management practices to estimate average annual sediment loads from each
watershed. The estimate of average annual sediment load for the Kalamazoo River basin from this
study was 50,000 to 100,000 tons/year or 25 to 49 T/mi2/yr (0.09 to 0.17 t/ha/yr).
Using the modeling results from the Wells, et al. studying the sediment dynamics within the
Plainwell-Otsego impoundment (2005), the assumed sediment load rate into the Plainwell
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impoundment is 71 t/day (25,915 t/year). Assuming the upstream contribution of sediment is
proportional to watershed area, the estimated sediment load from the BCRW is estimated as:
Sediment Deposition Rate * Battle Creek Area / Plainwell Area = Yield (25,915 t/yr) * (241 mi^2) / (1,299 mi^2) = 4,808 t/yr = 0.077 t/ha/yr = 22 T/mi2/yr
In addition to the above listed studies, previous 516(e) watershed budget projects on tributaries to the
Great Lakes were examined. A strong correlation exists within these studies between watershed area
and sediment yield (Figure 3). The relationship was applied to the drainage area of the BCRW with
the following results:
Sediment Yield (t/yr) = 272.2 (Watershed Area (km2))0.75
= 272.2 (624 km2) 0.75
= 34,000 t/yr = 0.54 t/ha/yr = 154 T/mi2/yr
3.2.1.3 Sediment Survey
As mentioned in section 2.0, this study was inconclusive because of a lack of data for impoundments
within the watershed.
3.2.2 Watershed Soil Erosion
Within the BCRW Management Plan drafted under a Clean Water Act 319 grant, a list of critical
areas within the watershed was listed as mentioned previously in the Reviewed Literature section of
the report. BMPs were suggested along with estimated sediment reduction potential. Many of these
critical areas listed stated a problem of streambank erosion contributing large amounts of sediment to
the river. A location map of all the sediment BMPs noted can be seen in Figure 12. Table 6,
adapted from the Watershed Management Plan, lists all BMPs where the source of water quality
degradation was excessive sedimentation. If applied, these BMPs could theoretically reduce
sediment loads by 2,800-3,000 tons per year. These numbers represent potential reductions and
were not compared to existing total loadings because sediment budget data were not available at that
time.
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 3 4 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 12: Sediment BMPs as listed in the "Battle Creek River Watershed Management Plan"
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 3 5 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
3.2.3 Fluvial Processes
3.2.3.1 Bank Erosion
Bank erosion has been monitored at several sites through the Kalamazoo Watershed to estimate
sediment and phosphorous loading and implement erosion reduction measures. The site within the
BCRW that was studied is in Convis Township. This site was at a sharp bend within the river and
was experiencing significant erosion problems (Figure 15). This site was loading an estimated 61
tons per year into the Battle Creek River, which was the second highest sediment load of ten sites
surveyed within the Kalamazoo River Watershed for the Clean Michigan Initiative (CMI) Grant
Project. Additional vegetation, riprap, and crib walls were added to reduce further erosion of the
bank at that site (Figure 16).
Three sites were designated for geomorphic assessment within the BCRW in conjunction with the
Watershed Management Plan (Boley-Morse, 2004). These sites included an un-channelized
riparian-forested corridor, channelized riparian-forested corridor, and a channelized agricultural
corridor. In order to establish an estimate of annual sediment loading from streambank erosion for
the entire watershed, more sites should be surveyed to accurately represent the bank erosion within
the BCRW.
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 3 6 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 13: Engineering of channels (Boley-Morse, 2004)
Figure 14: Engineering of channels (2) (Boley-Morse, 2004)
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 3 7 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 15: CMI erosion site before stabilization (Source: www.kalamazooriver.net)
Figure 16: CMI erosion site after bank stabilization (Source: www.kalamazooriver.net)
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 3 8 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
3.3 Watershed Hydrology and Sediment Yield Modeling
3.3.1 Model Calibration Results
The SWAT model was calibrated to match the overall water budget for the entire watershed (Figure
17) and the total flow at the USGS gage at Battle Creek (Figure 18). The most important aspects of
calibrating distributed, GIS based watershed hydrology and sedimentation models is calibrating
hydrology and using highest resolution terrain data. This is because model performance and
accuracy is most limited by the resolution of computational grid size as set from the terrain data
(Jenks, et. al., 2006; Riedel, et. al., 2005; Riedel, et. al., 2002). Following calibration for hydrology
using terrain data, proper land use and soils data are the most influential factors in determining
accuracy in sediment yield estimates (Jenks, et. al., 2006; Cotter, A.S., 2003). With the surface
hydrology calibrated and best available land use and soils data, SWAT estimated sediment loading
based on input parameters. A summary figure of sediment yield (tons per square mile) for the entire
watershed as compared to water yield and precipitation can be seen in Figure 19. From this figure, it
is obvious that there is a strong correlation between water yield and sediment yield for a given year.
The water yield data was obtained from the USGS gage 04105000 (Battle Creek at Battle Creek,
MI).
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 3 9 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 17: SWAT calibration comparison
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 4 0 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 18: SWAT calibrated flow data versus observed data from the USGS discharge gage at Battle Creek
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 4 1 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 19: SWAT output. Total water yield and sediment yield for entire basin
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 4 2 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
3.3.2 Model Results
3.3.2.1 Channel Sources
Bedload sediment transport within the Battle Creek River and its tributaries was estimated with the
SWAT model that was developed and calibrated for the watershed. Model results of bedload include
erosion and deposition occurring within the channel of each subwatershed. Table 4 summarizes
estimated channel erosion and deposition within each subwatershed with positive values showing
erosion of bed sediments and negative values showing deposition of bed sediments. These results
should not be viewed as “absolute” estimates because no calibration was possible to test the validity
and absolute accuracy of these results. However, the computational methods are mechanistically
based and consistent across the reaches. Consequently, the relative differences between reaches
should provide reasonable approximation of differences in bed material flux. These results can also
be seen in Figure 20. The estimated sediment load at the confluence with the Kalamazoo from
bedload transport is approximately 20 tons per year.
Table 4: Average annual channel erosion or deposition estimation by sub-basin
Subwatershed Length Erosion or (-) Deposition miles Tons T/mi t/km
1 0.78 0 0.0 0.02 2.84 4 1.4 0.83 16.28 -1 -0.1 0.04 5.19 -4 -0.8 -0.45 0.50 -5 -10.0 -5.66 11.47 10 0.9 0.57 0.88 0 0.0 0.08 4.27 1 0.2 0.19 2.00 2 1.0 0.6
10 3.42 6 1.8 1.011 1.13 3 2.7 1.512 1.48 -9 -6.1 -3.413 0.83 0 0.0 0.014 2.47 -3 -1.2 -0.715 8.65 3 0.3 0.216 5.02 1 0.2 0.117 2.05 -2 -1.0 -0.618 2.94 5 1.7 1.019 5.15 2 0.4 0.220 6.46 13 2.0 1.121 6.26 -6 -1.0 -0.5
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 4 3 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
3.3.2.2 Watershed Sources
After running the SWAT model over a number of years, estimates of average annual sediment load
by subwatershed were made. Figure 21 illustrates the average annual sediment load in different
subwatersheds from the SWAT modeling results. Table 5 shows sediment loads in tons per year for
each subwatershed as calculated from SWAT. The total estimated annual sediment load from
watershed sources is approximately 68,500 tons per year or 0.84 t/ha/yr.
Table 5: Average annual sediment load estimates from watershed sources
Subwatershed Area Average Annual Sediment Load
Average Annual
Sediment Load
mi^2 T/mi^2 t/ha Tons 1 8.1 240 0.8 1,9002 1.8 160 0.6 3003 44.8 220 0.8 10,0004 17.1 400 1.4 6,8005 4.9 540 1.9 2,6006 22.4 230 0.8 5,3007 7.9 230 0.8 1,8008 21.3 210 0.7 4,4009 8.5 290 1.0 2,400
10 16.7 410 1.4 6,90011 8.3 280 1.0 2,30012 3.0 200 0.7 60013 0.4 100 0.4 014 9.8 330 1.2 3,30015 20.0 260 0.9 5,10016 17.5 200 0.7 3,50017 13.3 100 0.3 1,30018 16.3 110 0.4 1,70019 8.1 220 0.8 1,80020 21.7 240 0.8 5,10021 13.5 100 0.4 1,400
The overall contribution of bedload sediment (20 T/yr) as compared to the total watershed sediment
load (68,500 T/yr) is small. Figure 22 shows a breakdown of the sediment budget results from the
SWAT model by source. This figure clearly shows that the bedload contribution to the sediment
budget is very small (0.03%) as compared to the watershed sources.
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 4 4 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 20: Average annual channel deposition or erosion per mile of channel.
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 4 5 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 21: Average annual sediment yield by sub-basin.
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 4 6 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Figure 22: Sediment budget from SWAT model results by source
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4.0 CONCLUSIONS AND RECOMMENDATIONS
The results of the BCRW Sediment Budget Study revealed a wide variation in total estimated
sediment yield. However, results from comprehensive modeling and the most relevant regional
methods were consistent and estimated yields in the range of 0.5 to 0.8 t/ha/yr. While bed material
in channels was predicted to be somewhat dynamic, it was not a significant portion of the overall
sediment budget. Reviews of recent reports, literature, and field projects identified streambank
erosion, instability, and ditch dredging as a potentially large and relatively undocumented portion of
local sediment budgets at the reach. Unfortunately, quantitative estimates of these contributions to
the total sediment budget could not be made. Sediment yields from bank erosion processes,
especially in agricultural areas where floodplain and stream banks have undergone active accretion
from heavy sediment loads due to past agricultural activities, have been identified as potentially
large component of the total sediment budget in similar watersheds being studied under the
Conservation Effects Assessment Program (CEAP) (Simon, 2005). It is recommended that future
projects in the watershed focus on these processes and the acquisition of field data to support the
development and analyses of reach scale fluvial sediment budgets using SIAM.
The results of the SWAT modeling done for the BCRW fall well within the published values of
sediment yield for the region. The model was calibrated with daily flow data from the USGS gage at
Battle Creek. No sediment data was available for calibration, but with the hydrology correct, SWAT
gave a reasonable estimate for sediment loading. They were also similar to results of past 516(e)
studies developing sediment budgets for the region.
Soil erosion and sedimentation can have a significant impact not only on the environment but the
economy as well. A few of the economic effects include loss of topsoil and nutrients in croplands,
increased fertilizer needs due to nutrient losses, road and highway structural damage due to
streambank erosion, additional need for water supply treatment, loss of storage capacity in flood
protection impoundments, depredation of water-recreational areas, decreasing depth of navigation
channels, and increased dredging costs (U.S. Army Corps of Engineers, 2005). These sediments can
be sources of a wide array of environmental pollutants including nutrients, residual agricultural
chemicals, and, while not present in BCRW, sediments contaminated with toxic or hazardous
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substances which threaten aquatic species. These issues can be very important as cumulative effects
of pollutant loadings to harbors and the Great Lakes can also have significant economic impacts;
market values of homes decrease in closer proximity to contaminated areas (Braden, et al., 2006).
Efforts to reduce sedimentation from Great Lakes tributaries since the early 90s have been
successful. The Great Lakes Tributary Modeling Program through the U.S. Army Corps of
Engineers has addressed this problem with application of computer-based models and development
of tools to evaluate the impact that forestry, farming, urban sprawl, storm water management,
wetland protection, and BMP applications have on sediment loading rates (U.S. Army Corps of
Engineers, 2005). Over the last 18 years, the Great Lakes Basin program for soil erosion and
sediment control has protected over 129,000 acres of land against soil loss and prevented the
discharge of over 1.6 million tons of sediment to surface waters (Great Lakes Commission, 2007).
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CITED LITERATURE
Battle Creek GIS Department. (2007). NPDES Storm Sewer Outfall Map. Boley-Morse, K. (2004). “The Battle Creek River Watershed Project.” Presentation for the 319
grant. Braden, J.B., Taylor, L.O., Won, D., Mays, N., Cangelosi, A., and Patunru, A.A. (2006). “Economic
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TABLES
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 5 4 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Table 6: Sediment BMPs listed for BC Watershed
Station # County Township Section Stream Problem/
Concern BMP Sediment
Reduction/ year
1b Calhoun COB 1 BC River Streambank Erosion
Stabilize 250' of streambank utilizing bio-engineering along Linear Path 69 tons
4 Calhoun Emmett 6 BC River
Manicured lawn with no
vegetative buffer Undercutting streambank
Stabilize 10' of streambank utilizing bio-engineering Install 50' vegetative bufferstrip 6 tons
5a Calhoun Emmett 6 BC River Streambank erosion at culvert Stabilize 10' of streambank around culvert utilizing bil-engineering 1 ton
10 Calhoun Pennfield 28 BC River
Manicured lawn with no
vegetative buffer Streambank
erosion
Stability 700' of streambank utilizing bio-engineering Install 700' vegetative bufferstrip 385 tons
11b Calhoun Pennfield 21 BC RiverStreambank erosion from
human access Install canoe launch and access stairs 2 tons
12 Calhoun Convis 18 BC River
Pasture gully erosion to
wetland adjacent to the BC River
Install a rotational grazing system with 1000' of fencing and a 200' vegetative bufferstrip adjacent to wetland 11 tons
14 Eaton Bellevue 28 BC River Road edge erosion off bridge Plant vegetation that can withstand roadside abuse 1 ton
15 Eaton Bellevue 28 BC River
Manicured lawn with no
vegetative buffer and streambank
erosion
Stability 50' of streambank utilizing bio-engineering Install 50' vegetative bufferstrip 1 ton
18 Eaton Walton 18 BC River Unlimited livestock access
Install 3000' of fencing, 200' vegetative bufferstrip, revegetate streambank with seeding, and 2 alternative watering systems 41 tons
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 5 5 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Station # County Township Section Stream Problem/
Concern BMP Sediment
Reduction/ year
20 Eaton
Walton, Carmel,Eaton, and Brookfie
ld
16 15 10 11 2 1 35 26 25 24 19 20 29 28 33 5 8 17 20 21 22
27
BC River
River disconnected
from the floodplain from bermed banks
due to historical dredging
Resotre 1 mile of river from a Type F5 stream to a Type C5 stream utilizing natural channel design 986 tons
21 Eaton Carmel 35 BC River Unpaved road eroding off bridge Pave 50'x30' bridge area Install curbing and filter strip 38 tons
22 Eaton Carmel 26 BC River Unpaved road eroding off bridge Pave 50'x30' bridge area Install curbing 38 tons
23a Eaton Carmel 25 BC River Limited livestock access Install 500' vegetative bufferstrip and 2 watering systems 14 tons
23b Eaton Carmel 25 BC River Unpaved road eroding off bridge Pave 50'x30' bridge area Install curbing and filter strip 38 tons
24 Eaton Carmel 24 BC River Possible run-off from pasture
Install 3000' vegetative bufferstrip on left bank and 1000' vegetative bufferstrip on right bank Install livestock stream crossing and 2
watering systems
75% reduction
26a Eaton Eaton 20 BC River Unpaved road eroding off bridge Pave 50'x30' bridge area Install curbing and filter strip 38 tons
26b Eaton Eaton 20 BC RiverEroding and undercutting stream bank
Construct in-stream geomorphic assessment to determine reason for streambank erosion, stabilize 50' of streambank utilizing bil-
engineering or an in-stream structure Install 50' vegetative bufferstrip1 ton
28 Eaton Eaton 20 BC River
Cropland planted adjacent to the road with no
buffer uphill from river
Install 500' vegetative bufferstrip 65% reduction
29a Eaton Eaton 29 BC River Limited livstock access
Install 1,000' of fencing, 500' vegetative bufferstrip and 1 watering system
65% reduction
29b Eaton Eaton 29 BC River Unpaved road eroding off bridge Pave 50'x30' bridge area Install curbing and filter strip 38 tons
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 5 6 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Station # County Township Section Stream Problem/
Concern BMP Sediment
Reduction/ year
30 Eaton Brookfield 20 BC River
Manicured lawn with no
vegetative buffer Streambank
erosion
Conductin in-stream assessment to determine reason for streambank erosion, stabilize 50' of streambank utilizing bio-engineering or in-
stream structure Install 50' vegetative bufferstrip 14 tons
31 Eaton Brookfield 21 BC River Unlimited
livestock accessInstall 1,000' of fencing, 500' vegetative bufferstrip and 1 watering
system 14 tons
37a Barry Assyria 34 Wanandoga Creek
3 perched culverts
positioned causing
streambank erosion
Reposition culverts utilizing the MESBOA technique 21 tons
38 Barry Assyria Wanandoga Creek
Entrenched channel with
severe streambank
erosion at bend and only one
culvert is receiving the active flow
Replace culverts utilizing the MESBOA technique, stabilize streambank by gathering in-stream data and install structure, and
establish vegetation 28 tons
39 Barry Assyria Wanandoga Creek
Entrenched channel with
severe streambank
erosion
Replace culverts utilizing the MESBOA technique, stabilize streambank by gathering in-stream data and install structure, and
establish vegetation 83 tons
40 Barry Assyria Wanandoga Creek
Unlimited livestock access Install 1000' of fencing, 1 livestock crossing, and 2 watering systems 10 tons
41 Eaton Bellevue 7 Wanandoga Creek
Bridge abutments are not as wide
as bankfull causing
streambank erosion
Conduct in-stream geomorphic assessment to determine bridge design, replace structure, install structure to stabilize bank 21 tons
43 Eaton Bellevue 7 Wanandoga Creek
Unpaved road eroding off bridge Pave 30'x30' bridge area Installing curbing and filter strip 38 tons
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 5 7 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Station # County Township Section Stream Problem/
Concern BMP Sediment
Reduction/ year
44b Eaton Bellevue 7 Wanandoga Creek
Unpaved road eroding off bridge Pave 30'x30' bridge area Installing curbing and filter strip 38 tons
45a Eaton Bellevue 5 Wanandoga Creek
Perched and inadequate sized
culvert that is creating erosion from backwater
Replace culverts utilizing the MESBOA technique, stabilize streambank by gathering in-stream data and installing an in-stream
structure, and re-establish vegetation 17 tons
45b Eaton Bellevue 4 Wanandoga Creek
Culvert positioning is
creating streambank erosion and
narrow vegetative bufferstrip adjacent to cropland
Reposition and size culvert utilizing the MESBOA technique, stabilize streambank by gathering in-stream data and installing and in-stream structure, re-establish vegetation, and expand vegetative bufferstrip
25 tons
47 Calhoun Convis 10 Ackley Creek
Perched and inadequate sized culvert, eroding stream channel,
erosion from road run-off, and
manicured lawns with no
vegetative bufferstrip
Replace culverts utilizing MESBOA technique and install a 400' vegetative bufferstrip along both sides of creek 1 ton
48b Eaton Walton 29 Indian Creek
Eroding streambank from human access
Install access stairs and fishing platform 2 tons
49 Eaton Walton 29 Indian Creek
Severely eroding stormwater discharge channel
Remove concrete slabs and reshape bank behind culvert outfall, extend and redirect culvert, reshape banks to 2:1 slope, use rock rip
rap, bio-engineering, seeding, and log deflectors Work with Olivet College to install some innovative stormwater BMPs such as rain
gardens, roof water control, and parking lot design
525 tons
51 Eaton Walton 28 Indian Creek
Eroding streambank from human access
Stabilize 75' of streambank utilizing bio-engineering 21 tons
B a t t l e C r e e k R i v e r S e d i m e n t S t u d y P a g e 5 8 F i n a l R e p o r t 1 1 2 0 3 . 0 1 0
Station # County Township Section Stream Problem/
Concern BMP Sediment
Reduction/ year
52 Calhoun Lee 6 Indian Creek
Eroding and undercutting stream bank
Stabilize 50' of streambank utilizing bio-engineering and install 50' vegetative bufferstrip 6 tons
53 Calhoun Lee 5 Indian Creek
Barnyard run-off from roof water and livestock in
wetland
Install roof water control structures, rotational grazing system with 4000' of fencing, manure storage facility, 2500' vegetative bufferstrip, 4
watering systems, and restore 2 small wetlands
65% reduction
55 Calhoun Convis 13 Indian Creek
Narrow vegetative buffer
adjacent to cropland and 2 drain tile outlets
Widen vegetative buffer 45' Install 2 tile inlet filters 65% reduction
56a Calhoun Convis 18 State and
Indian Drain
Eroding and undercutting stream bank
Stabilize 60' streambank utilizing bio-engineering 8 tons
56b Calhoun Lee 18 State and
Indian Drain
Lack of vegetation
growing on fabric from reshaped
bank adjacent to a manicured lawn
Revegetate bank and establish a 75' bufferstrip 65% reduction
57 Calhoun Lee 18 State and
Indian Drain
Unlimited livestock access
Install 1000' of fencing, 500' vegetative bufferstrip, and 1 watering system 65%
60 Calhoun Clarence 21 State and
Indian Drain
Eroding stream bank and
manicured lawn with lack of vegetative bufferstrip
Stabilize 100' streambank utilizing bio-engineering and install a vegetative bufferstrip 25 tons
62 Eaton Brookfield 29
Hogle and
Miller Drain
Unlimited livestock access causing severe
streambank erosion
Install 5000' of fencing and vegetative bufferstrip, 1 livestock crossing, and 2 watering systems Seed eroding bank 275 tons