China Hat

BLACKFOOT RIVER SNAKE RIVER· Caribou, Idaho· Built 1925· 24 ft tall
Low Hazard Irrigation Public Utility

Key Takeaway

China Hat is classified as low hazard in Idaho. It was completed in 1925 and is 101 years old. Its primary use is irrigation.

Physical Details

Dam Height 24 ft (taller than 40.9% in ID)
Dam Length1,100 ft
Normal Storage125.0K acre-ft
Surface Area18,000 acres
Drainage Area581 sq mi
Max Discharge0 cfs
Year Completed1925 (101 years old)
NID IDID00266

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
Last Inspection: October 11, 2017
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Public Utility

Nearby Dams

Blackfoot Bridge Wmp #1 & #2

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Itafos Tailings Pond #4

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Itafos Cooling Pond

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Conda Site Mtis (Simplot)

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Significant Hazard 45 ft

Indian Creek Upper

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Enders

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Low Hazard 13 ft

Frequently Asked Questions

What is the hazard classification of China Hat?

China Hat 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 China Hat?

China Hat is owned by information not available (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was China Hat built?

China Hat was completed in 1925, making it 101 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 China Hat?

China Hat 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 China Hat?

China Hat has a dam height of 24 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 China Hat last inspected?

China Hat was last inspected on October 11, 2017. 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.