Obenchain Reservoir
Key Takeaway
Obenchain Reservoir is classified as low hazard in Oregon. It was completed in 1958 and is 68 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 26 ft (taller than 49.6% in OR) |
| Dam Length | 920 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 861 acre-ft |
| Surface Area | 72 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 362 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | OR00207 |
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
MARGARET JACOBS AND CAROLYN OBENCHAIN
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Obenchain Reservoir?
Obenchain Reservoir 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 Obenchain Reservoir?
Obenchain Reservoir is owned by MARGARET JACOBS AND CAROLYN OBENCHAIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Obenchain Reservoir built?
Obenchain Reservoir was completed in 1958, making it 68 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 Obenchain Reservoir?
Obenchain 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 Obenchain Reservoir?
Obenchain Reservoir has a dam height of 26 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 Obenchain Reservoir last inspected?
Obenchain Reservoir was last inspected on August 2, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.