Elsie
Key Takeaway
Elsie is classified as significant hazard in Wyoming. It was completed in 1975 and is 51 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 39 ft (taller than 85.9% in WY) |
| Dam Length | 328 ft |
| Dam Type | Earth |
| Max Storage | 51 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,597 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | WY01338 |
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
ELSIE DEININGER
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Elsie?
Elsie 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 Elsie?
Elsie is owned by ELSIE DEININGER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Elsie built?
Elsie was completed in 1975, making it 51 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 Elsie?
Elsie 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 Elsie?
Elsie has a dam height of 39 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 Elsie last inspected?
Elsie was last inspected on May 18, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.