Silver Basin 1
Key Takeaway
Silver Basin 1 is classified as significant hazard in Arizona. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 225 ft (taller than 96.1% in AZ) |
| Dam Length | 1 ft |
| Dam Type | Earth |
| Max Storage | 1.4K acre-ft |
| NID ID | AZ83455 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Freeport McMoran Morenci Inc.
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Silver Basin 1?
Silver Basin 1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Silver Basin 1?
Silver Basin 1 is owned by Freeport McMoran Morenci Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Silver Basin 1?
Silver Basin 1 serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Silver Basin 1?
Silver Basin 1 has a dam height of 225 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.