Ryan
Key Takeaway
Ryan is classified as low hazard in Colorado. It was completed in 1955 and is 71 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 31 ft (taller than 68.6% in CO) |
| Dam Length | 379 ft |
| Dam Type | Earth |
| Max Storage | 39 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 733 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | CO00545 |
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
LEACHMAN, DR. ROBERT (ROBERT LEACHMAN)
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Ryan?
Ryan 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 Ryan?
Ryan is owned by LEACHMAN, DR. ROBERT (ROBERT LEACHMAN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ryan built?
Ryan was completed in 1955, making it 71 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 Ryan?
Ryan serves the following purposes: Irrigation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ryan?
Ryan has a dam height of 31 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 Ryan last inspected?
Ryan was last inspected on July 15, 1992. Inspection dates indicate when a formal review occurred, not the results of that inspection.