Eagle Lake Dam

Columbia River-Offstream· Franklin, Washington· Built 1955· Gravity·
Low Hazard Irrigation Private

Key Takeaway

Eagle Lake Dam is classified as low hazard in Washington. It was completed in 1955 and is 71 years old. Its primary use is irrigation.

Physical Details

Dam Length300 ft
Dam TypeGravity
Max Storage7.9K acre-ft
Normal Storage2.5K acre-ft
Surface Area2,500 acres
Drainage Area36 sq mi
Max Discharge60 cfs
Year Completed1955 (71 years old)
NID IDWA00537

Safety Information

Low Hazard

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?

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Black Dog Lakes Ranch LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Eagle Lake Dam?

Eagle Lake 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 Eagle Lake Dam?

Eagle Lake Dam is owned by Black Dog Lakes Ranch LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Eagle Lake Dam built?

Eagle Lake Dam was completed in 1955, making it 71 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 Eagle Lake Dam?

Eagle Lake Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

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.