Big Delaney
Key Takeaway
Big Delaney is classified as low hazard in Wyoming. It was completed in 1970 and is 56 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 25 ft (taller than 39.5% in WY) |
| Dam Length | 235 ft |
| Dam Type | Earth |
| Max Storage | 45 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | WY00422 |
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
MARK J. PIELOCH
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Big Delaney?
Big Delaney 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 Big Delaney?
Big Delaney is owned by MARK J. PIELOCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Big Delaney built?
Big Delaney was completed in 1970, making it 56 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 Big Delaney?
Big Delaney 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 Big Delaney?
Big Delaney 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 Big Delaney last inspected?
Big Delaney was last inspected on May 26, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.