Little Willow Creek Reservoir
Key Takeaway
Little Willow Creek Reservoir is classified as low hazard in Oregon. It was completed in 1954 and is 72 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 43 ft (taller than 79.6% in OR) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 58 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 425 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | OR00235 |
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
HAYCREEK RANCH
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Little Willow Creek Reservoir?
Little Willow Creek Reservoir 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 Little Willow Creek Reservoir?
Little Willow Creek Reservoir is owned by HAYCREEK RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little Willow Creek Reservoir built?
Little Willow Creek Reservoir was completed in 1954, making it 72 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 Little Willow Creek Reservoir?
Little Willow Creek Reservoir 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 Little Willow Creek Reservoir?
Little Willow Creek Reservoir has a dam height of 43 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 Little Willow Creek Reservoir last inspected?
Little Willow Creek Reservoir was last inspected on February 20, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.