Double L
Key Takeaway
Double L is classified as low hazard in Wyoming. It was completed in 1965 and is 61 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 26 ft (taller than 46.3% in WY) |
| Dam Length | 1,376 ft |
| Dam Type | Earth |
| Max Storage | 205 acre-ft |
| Normal Storage | 130 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | WY00180 |
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
MICHAEL & VALORIE HEATHERLY
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Double L?
Double L 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 Double L?
Double L is owned by MICHAEL & VALORIE HEATHERLY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Double L built?
Double L 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 Double L?
Double L 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 Double L?
Double L has a dam height of 26 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 Double L last inspected?
Double L was last inspected on June 29, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.