Case

Johnson County, Wyoming (near ARVADA)

River/Stream: SEVENTY-SIX DRAW

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
35 ft
Dam Length
880 ft
Reservoir Storage
349 acre-ft
Year Completed
1991
Primary Purpose
Irrigation
Owner Type
Private
Max Discharge
17,640 cfs

Condition Assessment

PoorLast inspected: 2021-06-21

Hazard Classification: Low — 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
WY00786
State
Wyoming (WY)
Coordinates
44.03460, -106.73450
Age
35 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.