Flagstone
Key Takeaway
Flagstone is classified as low hazard in Wyoming. It was completed in 1965 and is 61 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 50.7% in WY) |
| Dam Length | 248 ft |
| Dam Type | Earth |
| Max Storage | 48 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | WY01650 |
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
USDI BLM
Federal Government
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Low HazardFrequently Asked Questions
What is the hazard classification of Flagstone?
Flagstone 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 Flagstone?
Flagstone is owned by USDI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Flagstone built?
Flagstone was completed in 1965, making it 61 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 Flagstone?
Flagstone serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Flagstone?
Flagstone has a dam height of 27 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 Flagstone last inspected?
Flagstone was last inspected on September 14, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.