Knoll
Key Takeaway
Knoll is classified as low hazard in Arizona. It was completed in 1963 and is 63 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 58 ft (taller than 82.1% in AZ) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 1.8K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Surface Area | 77 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 875 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | AZ00041 |
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
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Knoll?
Knoll 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 Knoll?
Knoll is owned by ARIZONA GAME & FISH DEPARTMENT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Knoll built?
Knoll was completed in 1963, making it 63 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 Knoll?
Knoll serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Knoll?
Knoll has a dam height of 58 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 Knoll last inspected?
Knoll was last inspected on May 17, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.