Little Pierce
Key Takeaway
Little Pierce is classified as low hazard in Wyoming. It was completed in 1941 and is 85 years old. Its primary use is other.
Physical Details
| Dam Height | 24 ft (taller than 35.6% in WY) |
| Dam Length | 420 ft |
| Dam Type | Earth |
| Max Storage | 62 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 937 cfs |
| Year Completed | 1941 (85 years old) |
| NID ID | WY00332 |
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
ROCK RIVER RANCHES, INC.
Private
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Low Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Little Pierce?
Little Pierce 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 Little Pierce?
Little Pierce is owned by ROCK RIVER RANCHES, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little Pierce built?
Little Pierce was completed in 1941, making it 85 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 Little Pierce?
Little Pierce serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Little Pierce?
Little Pierce has a dam height of 24 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 Little Pierce last inspected?
Little Pierce was last inspected on August 22, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.