Upper Chalk Tank
Key Takeaway
Upper Chalk Tank is classified as low hazard in Arizona. It was completed in 2002 and is 24 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 31 ft (taller than 55.7% in AZ) |
| Dam Length | 1,130 ft |
| Dam Type | Earth |
| Normal Storage | 118 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 2002 (24 years old) |
| NID ID | AZ00316 |
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
BAR BOOT RANCH
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Upper Chalk Tank?
Upper Chalk 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 Upper Chalk Tank?
Upper Chalk Tank is owned by BAR BOOT RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Chalk Tank built?
Upper Chalk Tank was completed in 2002, making it 24 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 Upper Chalk Tank?
Upper Chalk 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 Upper Chalk Tank?
Upper Chalk Tank has a dam height of 31 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 Upper Chalk Tank last inspected?
Upper Chalk Tank was last inspected on December 3, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.