Anderson-Lower (Malheur)
Key Takeaway
Anderson-Lower (Malheur) is classified as low hazard in Oregon. It was completed in 1917 and is 109 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 34 ft (taller than 68.2% in OR) |
| Dam Length | 203 ft |
| Dam Type | Earth |
| Max Storage | 3.0K acre-ft |
| Normal Storage | 3.0K acre-ft |
| Surface Area | 336 acres |
| Drainage Area | 78 sq mi |
| Max Discharge | 344 cfs |
| Year Completed | 1917 (109 years old) |
| NID ID | OR00053 |
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
RICHARD EIGUREN
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Anderson-Lower (Malheur)?
Anderson-Lower (Malheur) 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 Anderson-Lower (Malheur)?
Anderson-Lower (Malheur) is owned by RICHARD EIGUREN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Anderson-Lower (Malheur) built?
Anderson-Lower (Malheur) was completed in 1917, making it 109 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 Anderson-Lower (Malheur)?
Anderson-Lower (Malheur) 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 Anderson-Lower (Malheur)?
Anderson-Lower (Malheur) has a dam height of 34 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 Anderson-Lower (Malheur) last inspected?
Anderson-Lower (Malheur) was last inspected on March 10, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.