Tieton Dam

Yakima County, Washington (near NACHES)

River/Stream: TIETON RIVER

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Rockfill
Height
319 ft
Dam Length
920 ft
Reservoir Storage
198,000 acre-ft
Year Completed
1925
Primary Purpose
Flood Risk Reduction
Owner Type
Federal
Max Discharge
45,700 cfs

Condition Assessment

Not AvailableLast inspected: 2020-08-27

Hazard Classification: High — 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

Loading map...

Quick Stats

NID ID
WA00273
State
Washington (WA)
Coordinates
46.65650, -121.12880
Age
101 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.