Otter Rapids

Vilas County, Wisconsin (near St Germain)

River/Stream: Wisconsin River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Gravity
Height
20 ft
Dam Length
474 ft
Reservoir Storage
42,280 acre-ft
Year Completed
1907
Primary Purpose
Hydroelectric
Owner Type
Public Utility
Max Discharge
12,700 cfs

Condition Assessment

FairLast inspected: 2022-08-16

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Fair — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
WI00807
State
Wisconsin (WI)
Coordinates
45.90330, -89.32000
Age
119 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.