Ryan
Key Takeaway
Ryan is classified as low hazard in Colorado. It was completed in 1907 and is 119 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 19 ft (taller than 32.7% in CO) |
| Dam Length | 446 ft |
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 105 cfs |
| Year Completed | 1907 (119 years old) |
| NID ID | CO00624 |
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
RYAN RESERVOIR PARTNERS (BILL KISSNER)
Private
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Low Hazard 14 ftFrequently 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 RYAN RESERVOIR PARTNERS (BILL KISSNER) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ryan built?
Ryan was completed in 1907, making it 119 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, Recreation. 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 19 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 23, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.