Ryan Detention Dam
Key Takeaway
Ryan Detention Dam is classified as low hazard in Arizona. It was completed in 1967 and is 59 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Length | 2,000 ft |
| Dam Type | Gravity |
| Max Storage | 435 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 38 acres |
| Year Completed | 1967 (59 years old) |
| NID ID | AZ20024 |
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
DOI BLM
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Ryan Detention Dam?
Ryan Detention Dam 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 Detention Dam?
Ryan Detention Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ryan Detention Dam built?
Ryan Detention Dam was completed in 1967, making it 59 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 Detention Dam?
Ryan Detention Dam 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.
When was Ryan Detention Dam last inspected?
Ryan Detention Dam was last inspected on July 9, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.