Detention Pine Ridge No. 1
Key Takeaway
Detention Pine Ridge No. 1 is classified as low hazard in Wyoming. It was completed in 1958 and is 68 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 53 ft (taller than 94.6% in WY) |
| Dam Length | 2,700 ft |
| Dam Type | Earth |
| Max Storage | 3.4K acre-ft |
| Normal Storage | 2.2K acre-ft |
| Surface Area | 145 acres |
| Drainage Area | 20 sq mi |
| Max Discharge | 13,600 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | WY00142 |
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
TOWN OF FT. LARAMIE
Local Government
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High Hazard 95 ftFrequently Asked Questions
What is the hazard classification of Detention Pine Ridge No. 1?
Detention Pine Ridge No. 1 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 Detention Pine Ridge No. 1?
Detention Pine Ridge No. 1 is owned by TOWN OF FT. LARAMIE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Detention Pine Ridge No. 1 built?
Detention Pine Ridge No. 1 was completed in 1958, making it 68 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 Detention Pine Ridge No. 1?
Detention Pine Ridge No. 1 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Detention Pine Ridge No. 1?
Detention Pine Ridge No. 1 has a dam height of 53 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 Detention Pine Ridge No. 1 last inspected?
Detention Pine Ridge No. 1 was last inspected on May 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.