Michaelson #1
Key Takeaway
Michaelson #1 is classified as low hazard in Colorado. It was completed in 1926 and is 100 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 22 ft (taller than 43.8% in CO) |
| Dam Length | 345 ft |
| Dam Type | Earth |
| Max Storage | 57 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 415 cfs |
| Year Completed | 1926 (100 years old) |
| NID ID | CO01041 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
MICHAELSEN, BRUCE
Private
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Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Michaelson #1?
Michaelson #1 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Michaelson #1?
Michaelson #1 is owned by MICHAELSEN, BRUCE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Michaelson #1 built?
Michaelson #1 was completed in 1926, making it 100 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Michaelson #1?
Michaelson #1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Michaelson #1?
Michaelson #1 has a dam height of 22 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Michaelson #1 last inspected?
Michaelson #1 was last inspected on July 8, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.