Unger-Bill Dam
Key Takeaway
Unger-Bill Dam is classified as significant hazard in Oregon. It was completed in 1968 and is 58 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 39 ft (taller than 75.8% in OR) |
| Dam Length | 530 ft |
| Dam Type | Earth |
| Max Storage | 97 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 32 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | OR00461 |
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
RONALD AND DEBRA HOCHSTEIN
Private
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Significant Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Unger-Bill Dam?
Unger-Bill Dam 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 Unger-Bill Dam?
Unger-Bill Dam is owned by RONALD AND DEBRA HOCHSTEIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Unger-Bill Dam built?
Unger-Bill Dam was completed in 1968, making it 58 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 Unger-Bill Dam?
Unger-Bill Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Unger-Bill Dam?
Unger-Bill Dam has a dam height of 39 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.
When was Unger-Bill Dam last inspected?
Unger-Bill Dam was last inspected on November 14, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.