Williams-Sherman Reservoir
Key Takeaway
Williams-Sherman Reservoir is classified as low hazard in Oregon. It was completed in 1919 and is 107 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 25 ft (taller than 43.9% in OR) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 300 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 666 cfs |
| Year Completed | 1919 (107 years old) |
| NID ID | OR00066 |
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
GRINDSTONE LIVESTOCK (GI RANCH CORP.)
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Williams-Sherman Reservoir?
Williams-Sherman 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 Williams-Sherman Reservoir?
Williams-Sherman Reservoir is owned by GRINDSTONE LIVESTOCK (GI RANCH CORP.) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Williams-Sherman Reservoir built?
Williams-Sherman Reservoir was completed in 1919, making it 107 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 Williams-Sherman Reservoir?
Williams-Sherman 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 Williams-Sherman Reservoir?
Williams-Sherman Reservoir has a dam height of 25 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 Williams-Sherman Reservoir last inspected?
Williams-Sherman Reservoir was last inspected on October 10, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.