Chamberlain No. 1
Key Takeaway
Chamberlain No. 1 is classified as significant hazard in Wyoming. It was completed in 1965 and is 61 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 50.7% in WY) |
| Dam Length | 2,100 ft |
| Dam Type | Earth |
| Max Storage | 727 acre-ft |
| Normal Storage | 505 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,688 cfs |
| Year Completed | 1965 (61 years old) |
| Year Modified | 1992 |
| NID ID | WY00200 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
LAPRELE IRRIGATION DISTRICT
Private
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Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Chamberlain No. 1?
Chamberlain No. 1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Chamberlain No. 1?
Chamberlain No. 1 is owned by LAPRELE IRRIGATION DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chamberlain No. 1 built?
Chamberlain No. 1 was completed in 1965, making it 61 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 Chamberlain No. 1?
Chamberlain No. 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 Chamberlain No. 1?
Chamberlain No. 1 has a dam height of 27 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 Chamberlain No. 1 last inspected?
Chamberlain No. 1 was last inspected on April 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.