Sunset Palisades

UNNAMED STREAMS SNAKE RIVER· Nez Perce, Idaho· Built 1973· 41 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Sunset Palisades is classified as significant hazard in Idaho. It was completed in 1973 and is 53 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 41 ft (taller than 71.2% in ID)
Dam Length275 ft
Normal Storage41 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge296 cfs
Year Completed1973 (53 years old)
NID IDID00058

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: Yes
Last Inspection: October 16, 2017
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sunset Palisades?

Sunset Palisades 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 Sunset Palisades?

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

When was Sunset Palisades built?

Sunset Palisades was completed in 1973, making it 53 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 Sunset Palisades?

Sunset Palisades 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 Sunset Palisades?

Sunset Palisades has a dam height of 41 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 Sunset Palisades last inspected?

Sunset Palisades was last inspected on October 16, 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.