Shiflett Reservoir No. 1

Middle Creek-Offstream· Chelan, Washington· Built 1945· Earth·
High Hazard Irrigation Private

Key Takeaway

Shiflett Reservoir No. 1 is classified as high hazard in Washington. It was completed in 1945 and is 81 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 TypeEarth
Max Storage29 acre-ft
Normal Storage15 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1945 (81 years old)
NID IDWA01016

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: Yes
Last Inspection: November 10, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Steven Shiflett Orchard Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Shiflett Reservoir No. 1?

Shiflett Reservoir No. 1 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 Shiflett Reservoir No. 1?

Shiflett Reservoir No. 1 is owned by Steven Shiflett Orchard Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Shiflett Reservoir No. 1 built?

Shiflett Reservoir No. 1 was completed in 1945, making it 81 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 Shiflett Reservoir No. 1?

Shiflett Reservoir No. 1 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 Shiflett Reservoir No. 1 last inspected?

Shiflett Reservoir No. 1 was last inspected on November 10, 2023. 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.