Yale

Lewis River· Cowlitz, Washington· Built 1953· Earth· 323 ft tall

Physical Details

Dam Height 323 ft (taller than 92.4% in WA)
Dam Length1,500 ft
Dam TypeEarth
Max Storage402.0K acre-ft
Normal Storage402.0K acre-ft
Surface Area3,783 acres
Drainage Area592 sq mi
Max Discharge170,000 cfs
Year Completed1953 (73 years old)
NID IDWA00148

Safety Information

High Hazard

Loss of human life is likely if the dam fails

Emergency Action Plan: Yes
Last Inspection: July 25, 2022
State Regulated: No

Ownership

PacifiCorp

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Yale?

Yale is classified as High Hazard. Loss of human life is likely if the dam fails.

Who owns Yale?

Yale is owned by PacifiCorp (Private).

When was Yale last inspected?

Yale was last inspected on July 25, 2022.

When was Yale built?

Yale was completed in 1953, making it 73 years old.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.