|
Site
Number
|
Location
|
Soil
Type
|
Length
of Erosion (feet)
|
Height
of Erosion (feet)
|
Apparent
Cause of Erosion
|
Sediment
Loading (tons/year)
|
Phosphorus
Loading (pounds/year)
|
|
|
Kalamazoo
County, upstream of King Highway bridge
|
gravel
and fill
|
100
|
10
|
moderate
vehicle access
|
1.7
|
1.3
|
|
|
Kalamazoo
County, King Highway bridge
|
gravel
|
120
|
3
|
road
crossing
|
0.6
|
0.5
|
|
|
Kalamazoo
County, upstream of Michigan Avenue, opposite Red Arrow Golf Course
|
loam
|
270
|
5
|
mowed
grass, heavy traffic, gullying by side channels
|
7.5
|
6.0
|
|
|
Kalamazoo
County, Confluence with Portage Creek, railroad crossing
|
gravel
|
200
|
4
|
mowed
grass, foot/vehicle traffic for mowing
|
1.3
|
1.1
|
|
|
Kalamazoo
County, downstream of Gull Road
|
loam
|
140
|
6
|
failed
concrete tiebacks, moderate foot traffic
|
4.6
|
3.7
|
|
|
Kalamazoo
County, Kalamazoo Water Reclamation Plant
|
gravel
|
1,000
|
7
|
bend
in river, powerline, mowed grass
|
50.1
|
40.0
|
|
|
Kalamazoo
County, downstream of Water Reclamation Plant
|
loam
|
1,600
|
3
|
bend
in river, clear cut
|
23.4
|
18.7
|
|
|
Kalamazoo
County, Parchment, H Avenue
|
gravel
|
200,
not continuous
|
3
|
vegetation removed for view, moderate foot traffic
|
1.0
|
0.8
|
|
|
Kalamazoo
County, Parchment paper company
|
gravel
|
1,000
|
10
|
bend
in river, moderate foot traffic
|
71.5
|
57.2
|
|
|
Kalamazoo
County, 1/2 mile downstream of D Avenue
|
clay
|
100
|
18
|
bend
in river, heavy foot traffic
|
25.2
|
20.2
|
|
|
Kalamazoo
County, 3/4 mile downstream from D Avenue
|
sand
|
200
|
12
|
bend
in river, gullying by side channels, heavy foot traffic
|
52.8
|
42.2
|
|
|
Kalamazoo
County, half way between B Avenue and Allegan County line
|
loam
|
120
|
15
|
bend
in river, light foot traffic
|
9.9
|
7.9
|
|
|
Allegan
County, just downstream of county line
|
gravel
|
100
|
3
|
bend
in river, narrow riparian zone bordered by agricultural field
|
2.1
|
1.7
|
|
|
Allegan
County, 1/2 mile downstream of county line
|
not
recorded
|
1,000
|
12
|
narrow
riparian zone bordered by agricultural field
|
62.4
|
49.9
|
|
|
Allegan
County, residential area upstream of M-89 bridge
|
gravel
|
600
|
6
|
bend
in river, moderate foot traffic, mowed grass, waterfowl grazing
|
79.2
|
63.4
|