Lower Twelvemile (Buker Res)
Key Takeaway
Lower Twelvemile (Buker Res) is classified as low hazard in Oregon. It was completed in 1949 and is 77 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 23 ft (taller than 39.8% in OR) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 180 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 403 cfs |
| Year Completed | 1949 (77 years old) |
| NID ID | OR00162 |
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
SHEEP MOUNTAIN CATTLE COMPANY
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lower Twelvemile (Buker Res)?
Lower Twelvemile (Buker Res) 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 Lower Twelvemile (Buker Res)?
Lower Twelvemile (Buker Res) is owned by SHEEP MOUNTAIN CATTLE COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Twelvemile (Buker Res) built?
Lower Twelvemile (Buker Res) was completed in 1949, making it 77 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 Lower Twelvemile (Buker Res)?
Lower Twelvemile (Buker Res) 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 Lower Twelvemile (Buker Res)?
Lower Twelvemile (Buker Res) has a dam height of 23 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 Lower Twelvemile (Buker Res) last inspected?
Lower Twelvemile (Buker Res) was last inspected on October 10, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.