Willow Butte
Key Takeaway
Willow Butte is classified as low hazard in Oregon. It was completed in 2004 and is 22 years old. Its primary use is water supply.
Physical Details
| Dam Length | 840 ft |
| Dam Type | Gravity |
| Max Storage | 16 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 816 cfs |
| Year Completed | 2004 (22 years old) |
| NID ID | OR04047 |
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
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Willow Butte?
Willow Butte 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 Willow Butte?
Willow Butte is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Willow Butte built?
Willow Butte was completed in 2004, making it 22 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 Willow Butte?
Willow Butte serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Willow Butte last inspected?
Willow Butte was last inspected on September 25, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.