Alder Creek
Key Takeaway
Alder Creek is classified as low hazard in Oregon. It was completed in 1973 and is 53 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 55 ft (taller than 85.6% in OR) |
| Dam Length | 670 ft |
| Max Storage | 800 acre-ft |
| Normal Storage | 640 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 575 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | OR00531 |
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
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Alder Creek?
Alder Creek 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 Alder Creek?
Alder Creek is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alder Creek built?
Alder Creek was completed in 1973, making it 53 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 Alder Creek?
Alder Creek 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 Alder Creek?
Alder Creek has a dam height of 55 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 Alder Creek last inspected?
Alder Creek was last inspected on October 8, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.