Moon Reservoir
Key Takeaway
Moon Reservoir is classified as significant hazard in Oregon. It was completed in 1969 and is 57 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 38 ft (taller than 74.5% in OR) |
| Dam Length | 1,140 ft |
| Dam Type | Earth |
| Max Storage | 5.7K acre-ft |
| Normal Storage | 5.7K acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 974 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | OR00483 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
SAGEHEN LAND COMPANY/KETSCHER CATTLE CO
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Moon Reservoir?
Moon Reservoir is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Moon Reservoir?
Moon Reservoir is owned by SAGEHEN LAND COMPANY/KETSCHER CATTLE CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Moon Reservoir built?
Moon Reservoir was completed in 1969, making it 57 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 Moon Reservoir?
Moon 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 Moon Reservoir?
Moon Reservoir has a dam height of 38 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 Moon Reservoir last inspected?
Moon Reservoir was last inspected on June 18, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.