Twin Branch

St. Joseph County, Indiana (near Mishawaka)

River/Stream: St Joseph River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Gravity
Height
41 ft
Dam Length
946 ft
Reservoir Storage
10,000 acre-ft
Year Completed
1903
Primary Purpose
Hydroelectric
Owner Type
Public Utility
Max Discharge
37,600 cfs

Condition Assessment

PoorLast inspected: 2022-09-08

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

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

Location

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Quick Stats

NID ID
IN03011
State
Indiana (IN)
Coordinates
41.66589, -86.13272
Age
123 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.