Upper Centennial Control Structure
Key Takeaway
Upper Centennial Control Structure is classified as low hazard in Arizona. It was completed in 1956 and is 70 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Length | 900 ft |
| Dam Type | Gravity |
| Max Storage | 900 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Year Completed | 1956 (70 years old) |
| NID ID | AZ20030 |
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
DOI BLM
Federal Government
Frequently Asked Questions
What is the hazard classification of Upper Centennial Control Structure?
Upper Centennial Control Structure 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 Centennial Control Structure?
Upper Centennial Control Structure is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Centennial Control Structure built?
Upper Centennial Control Structure was completed in 1956, making it 70 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 Centennial Control Structure?
Upper Centennial Control Structure serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Upper Centennial Control Structure last inspected?
Upper Centennial Control Structure was last inspected on October 4, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.