Flat Top Detention Dam
Key Takeaway
Flat Top Detention Dam is classified as low hazard in Arizona. It was completed in 1962 and is 64 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Length | 4,200 ft |
| Dam Type | Gravity |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 324 acres |
| Drainage Area | 370 sq mi |
| Max Discharge | 392 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | AZ20011 |
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 Flat Top Detention Dam?
Flat Top Detention Dam 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 Flat Top Detention Dam?
Flat Top Detention Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Flat Top Detention Dam built?
Flat Top Detention Dam was completed in 1962, making it 64 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 Flat Top Detention Dam?
Flat Top Detention Dam 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 Flat Top Detention Dam last inspected?
Flat Top Detention Dam was last inspected on May 11, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.