Six Mile - Main

Boulder County, Colorado (near BOULDER)

River/Stream: LITTLE DRY CREEK-TR

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
52 ft
Dam Length
3,050 ft
Reservoir Storage
2,186 acre-ft
Year Completed
1892
Primary Purpose
Irrigation
Owner Type
Private
Max Discharge
11,552 cfs

Condition Assessment

SatisfactoryLast inspected: 2022-08-09

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
CO00250
State
Colorado (CO)
Coordinates
40.06751, -105.21807
Age
134 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.