28 Tank
Key Takeaway
28 Tank is classified as low hazard in Arizona. It was completed in 1909 and is 117 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 33 ft (taller than 59.3% in AZ) |
| Dam Length | 382 ft |
| Dam Type | Earth |
| Normal Storage | 182 acre-ft |
| Surface Area | 17 acres |
| Year Completed | 1909 (117 years old) |
| NID ID | AZ00247 |
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
OSBORN - BLAIR INTER.
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of 28 Tank?
28 Tank 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 28 Tank?
28 Tank is owned by OSBORN - BLAIR INTER. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was 28 Tank built?
28 Tank was completed in 1909, making it 117 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 28 Tank?
28 Tank serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is 28 Tank?
28 Tank has a dam height of 33 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 28 Tank last inspected?
28 Tank was last inspected on April 12, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.