Watershed Health Report

Watonwan River Watershed

HUC 8: 07020010  DNR Major: 31
Major River Basin: Minnesota River

Area: 873 square miles
Stream Length: 1,101 miles
Lakes Area: 6,984 acres

Watershed Mean Health Score: 45

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Overall Watershed Score
Mean Watershed Score:
|
45
Minimum Index Score:
|
1
Hydrology Health Scores
Mean Watershed Score:
|
63
Minimum Index Score:
|
6
Index:
Perennial Cover:
|
6
Impervious Surface:
|
94
Water Withdrawal:
|
99
Hydrologic Storage:
|
48
Flow Variability:
|
66
Geomorphology Health Scores
Mean Watershed Score:
|
65
Minimum Index Score:
|
53
Index:
Soil Erodability:
|
78
Groundwater Contamination:
|
53
Climate Vulnerability:
|
66
Biology Health Scores
Mean Watershed Score:
|
29
Minimum Index Score:
|
1
Index:
Terrestrial Habitat Quality:
|
1
Stream Species:
|
53
Species Richness:
|
49
At-Risk Species:
|
15
Connectivity Health Scores
Mean Watershed Score:
|
18
Minimum Index Score:
|
1
Index:
Terrestrial Habitat Connectivity:
|
1
Aquatic Connectivity:
|
15
Riparian Connectivity:
|
39
Water Quality Health Scores
Mean Watershed Score:
|
48
Minimum Index Score:
|
19
Index:
Non-Point Source:
|
19
Point Source:
|
88
Water Quality Assessment:
|
37

WAT Score
The Watershed Assessment Tool measures five components of watershed health. These components are: Hydrology, Geomorphology, Biology, Connectivity and Water Quality. Each component contains 3-5 health index scores. The index scores are combined to create a component score. The component scores are also combined into an overall mean (average) watershed health score; and the index identified with lowest score is the watershed minimum health score.
 
Please go to the Watershed Health Assessment Results page for more information.