Weston

WESTON CREEK BEAR RIVER· Oneida, Idaho· Built 1929· 42 ft tall

High Hazard Other Private

Key Takeaway

Weston is classified as high hazard in Idaho. It was completed in 1929 and is 97 years old. Its primary use is other. 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 Height	42 ft (taller than 72.8% in ID)
Dam Length	635 ft
Normal Storage	2.1K acre-ft

Surface Area	112 acres
Drainage Area	14 sq mi
Max Discharge	230 cfs
Year Completed	1929 (97 years old)
Year Modified	1953
NID ID	ID00074

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 19, 2020

State Regulated: Yes

Regulatory Agency: IDWR

Ownership

Private

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Frequently Asked Questions

What is the hazard classification of Weston?

Weston 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 Weston?

Weston is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Weston built?

Weston was completed in 1929, making it 97 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 Weston?

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

How tall is Weston?

Weston has a dam height of 42 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Weston last inspected?

Weston was last inspected on November 19, 2020. 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.