Three Mile Falls Diversion

Umatilla County, Oregon (near UMATILLA)

River/Stream: UMATILLA RIVER

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Concrete
Height
28 ft
Dam Length
915 ft
Reservoir Storage
50 acre-ft
Year Completed
1913
Primary Purpose
Irrigation
Owner Type
Federal
Max Discharge
38,000 cfs

Condition Assessment

Not AvailableLast inspected: 2019-07-30

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

Condition Assessment: Not Available — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
OR00588
State
Oregon (OR)
Coordinates
45.88220, -119.32450
Age
113 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.