Duncan Reservoir - Dam
Key Takeaway
Duncan Reservoir - Dam is classified as low hazard in Oregon. It was completed in 1973 and is 53 years old. Its primary use is recreation.
Physical Details
| Dam Length | 508 ft |
| Dam Type | Gravity |
| Max Storage | 284 acre-ft |
| Normal Storage | 284 acre-ft |
| Surface Area | 284 acres |
| Max Discharge | 3,017 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | OR00567 |
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
DOI BLM
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Duncan Reservoir - Dam?
Duncan Reservoir - Dam 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 Duncan Reservoir - Dam?
Duncan Reservoir - Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Duncan Reservoir - Dam built?
Duncan Reservoir - Dam 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 Duncan Reservoir - Dam?
Duncan Reservoir - Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Duncan Reservoir - Dam last inspected?
Duncan Reservoir - Dam was last inspected on August 10, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.