Easton Diversion
Key Takeaway
Easton Diversion is classified as high hazard in Washington. It was completed in 1929 and is 97 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 66 ft (taller than 53.3% in WA) |
| Dam Length | 248 ft |
| Dam Type | Concrete |
| Max Storage | 5.0K acre-ft |
| Normal Storage | 4.0K acre-ft |
| Surface Area | 275 acres |
| Drainage Area | 185 sq mi |
| Max Discharge | 15,000 cfs |
| Year Completed | 1929 (97 years old) |
| Year Modified | 1989 |
| NID ID | WA00276 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
RECLAMATION
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Easton Diversion?
Easton Diversion is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Easton Diversion?
Easton Diversion is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Easton Diversion built?
Easton Diversion was completed in 1929, making it 97 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 Easton Diversion?
Easton Diversion 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 Easton Diversion?
Easton Diversion has a dam height of 66 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 Easton Diversion last inspected?
Easton Diversion was last inspected on September 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.