Dewey

Cassia County, Idaho (near DECLO)

River/Stream: MARSH CREEK SNAKE RIVER

Significant Hazard

Failure could cause economic loss or disruption

Key Facts

Dam Type
—
Height
30 ft
Dam Length
2,300 ft
Reservoir Storage
225 acre-ft
Year Completed
1913
Primary Purpose
Irrigation
Owner Type
Private
Max Discharge
687 cfs

Condition Assessment

SatisfactoryLast inspected: 2017-07-28

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

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

Location

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Quick Stats

NID ID
ID00033
State
Idaho (ID)
Coordinates
42.50170, -113.51670
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.