Ellis Wiltbank
Key Takeaway
Ellis Wiltbank is classified as low hazard in Arizona. It was completed in 1929 and is 97 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 12 ft (taller than 9.8% in AZ) |
| Dam Length | 420 ft |
| Dam Type | Earth |
| Max Storage | 205 acre-ft |
| Normal Storage | 205 acre-ft |
| Surface Area | 71 acres |
| Drainage Area | 4 sq mi |
| Year Completed | 1929 (97 years old) |
| NID ID | AZ00103 |
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
ARIZONA GAME & FISH DEPARTMENT
State Government
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Ellis Wiltbank?
Ellis Wiltbank 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 Ellis Wiltbank?
Ellis Wiltbank is owned by ARIZONA GAME & FISH DEPARTMENT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ellis Wiltbank built?
Ellis Wiltbank was completed in 1929, making it 97 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 Ellis Wiltbank?
Ellis Wiltbank serves the following purposes: Fish And Wildlife Pond, Fire Protection, Stock, Or Small Fish Pond, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Ellis Wiltbank?
Ellis Wiltbank has a dam height of 12 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 Ellis Wiltbank last inspected?
Ellis Wiltbank was last inspected on May 14, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.