Lamont

CUB RIVER BEAR RIVER· Franklin, Idaho· Built 1948· 68 ft tall

High Hazard Irrigation Private

Key Takeaway

Lamont is classified as high hazard in Idaho. It was completed in 1948 and is 78 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 Height	68 ft (taller than 86.1% in ID)
Dam Length	2,350 ft
Normal Storage	2.0K acre-ft

Surface Area	80 acres
Drainage Area	0 sq mi
Max Discharge	0 cfs
Year Completed	1948 (78 years old)
Year Modified	2005
NID ID	ID00071

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: July 13, 2018

State Regulated: Yes

Regulatory Agency: IDWR

Ownership

Private

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Glendale

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Foster

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Van Orden

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Winder

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Morrison

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Condie

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Strong Arm No 1 (Upper)

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Frequently Asked Questions

What is the hazard classification of Lamont?

Lamont 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 Lamont?

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

When was Lamont built?

Lamont was completed in 1948, making it 78 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 Lamont?

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

How tall is Lamont?

Lamont has a dam height of 68 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 Lamont last inspected?

Lamont was last inspected on July 13, 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.