Ella
Key Takeaway
Ella is classified as low hazard in Wyoming. It was completed in 1963 and is 63 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 20 ft (taller than 21.5% in WY) |
| Dam Length | 468 ft |
| Dam Type | Earth |
| Max Storage | 108 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,609 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | WY00149 |
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
SYBILLE RANCH LLC
Private
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Ella?
Ella 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 Ella?
Ella is owned by SYBILLE RANCH LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ella built?
Ella was completed in 1963, making it 63 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 Ella?
Ella 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 Ella?
Ella has a dam height of 20 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 Ella last inspected?
Ella was last inspected on June 10, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.