Donna
Key Takeaway
Donna is classified as low hazard in Wyoming. It was completed in 1956 and is 70 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 31 ft (taller than 70.8% in WY) |
| Dam Length | 325 ft |
| Dam Type | Earth |
| Max Storage | 308 acre-ft |
| Normal Storage | 177 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | WY01028 |
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
TRAIL CREEK GRAZING ASSOC. C/O BOB TARVER
Private
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Donna?
Donna 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 Donna?
Donna is owned by TRAIL CREEK GRAZING ASSOC. C/O BOB TARVER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Donna built?
Donna was completed in 1956, making it 70 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 Donna?
Donna 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 Donna?
Donna has a dam height of 31 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 Donna last inspected?
Donna was last inspected on July 19, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.