South Well Detention Dam
Key Takeaway
South Well Detention Dam is classified as low hazard in Arizona. It was completed in 1981 and is 45 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Length | 1,062 ft |
| Dam Type | Gravity |
| Max Storage | 335 acre-ft |
| Normal Storage | 168 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 250 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | AZ20029 |
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
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Significant Hazard 29 ftFrequently Asked Questions
What is the hazard classification of South Well Detention Dam?
South Well 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 South Well Detention Dam?
South Well Detention Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Well Detention Dam built?
South Well Detention Dam was completed in 1981, making it 45 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 South Well Detention Dam?
South Well 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 South Well Detention Dam last inspected?
South Well Detention Dam was last inspected on July 7, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.