Rimrock Lake
Key Takeaway
Rimrock Lake is classified as low hazard in Oregon. It was completed in 1905 and is 121 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 10 ft (taller than 0.6% in OR) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 200 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 135 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 75 cfs |
| Year Completed | 1905 (121 years old) |
| NID ID | OR02842 |
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
PUEBLO MOUNTAIN FARM & RANCH, LLC
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Rimrock Lake?
Rimrock Lake 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 Rimrock Lake?
Rimrock Lake is owned by PUEBLO MOUNTAIN FARM & RANCH, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rimrock Lake built?
Rimrock Lake was completed in 1905, making it 121 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 Rimrock Lake?
Rimrock Lake 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 Rimrock Lake?
Rimrock Lake has a dam height of 10 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 Rimrock Lake last inspected?
Rimrock Lake was last inspected on June 6, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.