Watershed Health Report

Upper St. Croix River Watershed

HUC 8: 07030001  DNR Major: 34
Major River Basin: St. Croix River

Area: 543 square miles
Stream Length: 534 miles
Lakes Area: 2,203 acres

Watershed Mean Health Score: 67

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Overall Watershed Score
Mean Watershed Score:
|
67
Minimum Index Score:
|
17
Hydrology Health Scores
Mean Watershed Score:
|
91
Minimum Index Score:
|
67
Index:
Perennial Cover:
|
96
Impervious Surface:
|
100
Water Withdrawal:
|
100
Hydrologic Storage:
|
93
Flow Variability:
|
67
Geomorphology Health Scores
Mean Watershed Score:
|
50
Minimum Index Score:
|
29
Index:
Soil Erodability:
|
62
Groundwater Contamination:
|
58
Climate Vulnerability:
|
29
Biology Health Scores
Mean Watershed Score:
|
59
Minimum Index Score:
|
45
Index:
Terrestrial Habitat Quality:
|
45
Stream Species:
|
70
Species Richness:
|
71
At-Risk Species:
|
52
Connectivity Health Scores
Mean Watershed Score:
|
55
Minimum Index Score:
|
17
Index:
Terrestrial Habitat Connectivity:
|
51
Aquatic Connectivity:
|
17
Riparian Connectivity:
|
97
Water Quality Health Scores
Mean Watershed Score:
|
81
Minimum Index Score:
|
52
Index:
Non-Point Source:
|
95
Point Source:
|
97
Water Quality Assessment:
|
52

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.