Hansen

SPRING MISSOURI FLAT CREEK· Latah, Idaho· Built 1976· 18 ft tall
Significant Hazard Other Private

Key Takeaway

Hansen is classified as significant hazard in Idaho. It was completed in 1976 and is 50 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 18 ft (taller than 20.1% in ID)
Dam Length190 ft
Normal Storage3 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1976 (50 years old)
NID IDID00569

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 21, 2017
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Frequently Asked Questions

What is the hazard classification of Hansen?

Hansen is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Hansen?

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

When was Hansen built?

Hansen was completed in 1976, making it 50 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 Hansen?

Hansen 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 Hansen?

Hansen has a dam height of 18 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 Hansen last inspected?

Hansen was last inspected on June 21, 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.