Prairie Du Sac

Sauk County, Wisconsin (near Prairie Du Sac)

River/Stream: Wisconsin River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Gravity
Height
50 ft
Dam Length
3,247 ft
Reservoir Storage
193,200 acre-ft
Year Completed
1914
Primary Purpose
Hydroelectric
Owner Type
Public Utility
Max Discharge
251,990 cfs

Condition Assessment

FairLast inspected: 2022-08-09

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

Loading map...

Quick Stats

NID ID
WI00029
State
Wisconsin (WI)
Coordinates
43.31010, -89.72530
Age
112 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.