Nilan East Dam

Lewis and Clark County, Montana (near AUGUSTA)

River/Stream: TR-ELK CREEK

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
51 ft
Dam Length
1,010 ft
Reservoir Storage
15,600 acre-ft
Year Completed
1951
Primary Purpose
Irrigation
Owner Type
State
Max Discharge
8,620 cfs

Condition Assessment

SatisfactoryLast inspected: 2024-04-30

Hazard Classification: High — 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
MT00014
State
Montana (MT)
Coordinates
47.47290, -112.51790
Age
75 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.