Skagit Lake Dam

Grandy Creek· Skagit, Washington· Built 1971· Earth·
Low Hazard Recreation Private

Key Takeaway

Skagit Lake Dam is classified as low hazard in Washington. It was completed in 1971 and is 55 years old. Its primary use is recreation.

Physical Details

Dam Length330 ft
Dam TypeEarth
Max Storage343 acre-ft
Normal Storage258 acre-ft
Surface Area42 acres
Drainage Area1 sq mi
Max Discharge166 cfs
Year Completed1971 (55 years old)
NID IDWA00182

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

Lake Tyee Co.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Skagit Lake Dam?

Skagit 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 Skagit Lake Dam?

Skagit Lake Dam is owned by Lake Tyee Co. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Skagit Lake Dam built?

Skagit Lake Dam was completed in 1971, making it 55 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 Skagit Lake Dam?

Skagit Lake Dam serves the following purposes: Recreation. 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.