Ethyl No. 2
Key Takeaway
Ethyl No. 2 is classified as low hazard in Wyoming. It was completed in 1969 and is 57 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 25 ft (taller than 39.5% in WY) |
| Dam Length | 460 ft |
| Dam Type | Earth |
| Max Storage | 104 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | WY00555 |
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
HESSE RANCH LLC
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Ethyl No. 2?
Ethyl No. 2 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 Ethyl No. 2?
Ethyl No. 2 is owned by HESSE RANCH LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ethyl No. 2 built?
Ethyl No. 2 was completed in 1969, making it 57 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 Ethyl No. 2?
Ethyl No. 2 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 Ethyl No. 2?
Ethyl No. 2 has a dam height of 25 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 Ethyl No. 2 last inspected?
Ethyl No. 2 was last inspected on August 20, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.