Schweitzer Dam and Reservoir

Tributary of Aeneas Creek· Okanogan, Washington· Built 1914· Earth·
High Hazard Irrigation Private

Key Takeaway

Schweitzer Dam and Reservoir is classified as high hazard in Washington. It was completed in 1914 and is 112 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 Length350 ft
Dam TypeEarth
Max Storage74 acre-ft
Normal Storage69 acre-ft
Drainage Area5 sq mi
Max Discharge0 cfs
Year Completed1914 (112 years old)
NID IDWA02026

Safety Information

High Hazard

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?

Emergency Action Plan: No
Last Inspection: July 18, 2018
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

MarionSchweitzer

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Schweitzer Dam and Reservoir?

Schweitzer Dam and Reservoir 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 Schweitzer Dam and Reservoir?

Schweitzer Dam and Reservoir is owned by MarionSchweitzer (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Schweitzer Dam and Reservoir built?

Schweitzer Dam and Reservoir was completed in 1914, making it 112 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 Schweitzer Dam and Reservoir?

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

When was Schweitzer Dam and Reservoir last inspected?

Schweitzer Dam and Reservoir was last inspected on July 18, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.