Udall
Key Takeaway
Udall is classified as low hazard in Arizona. It was completed in 1910 and is 116 years old. Its primary use is debris control.
Physical Details
| Dam Height | 24 ft (taller than 42.3% in AZ) |
| Dam Length | 423 ft |
| Dam Type | Earth |
| Max Storage | 5.0K acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 2,300 sq mi |
| Max Discharge | 500 cfs |
| Year Completed | 1910 (116 years old) |
| NID ID | AZ00187 |
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
H. J. PLATT
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Udall?
Udall 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 Udall?
Udall is owned by H. J. PLATT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Udall built?
Udall was completed in 1910, making it 116 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 Udall?
Udall serves the following purposes: Debris Control, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Udall?
Udall has a dam height of 24 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 Udall last inspected?
Udall was last inspected on June 8, 2006. Inspection dates indicate when a formal review occurred, not the results of that inspection.