Grouse Creek South

UNNAMED STREAM JORDAN CREEK· Custer, Idaho· Built 1994· 300 ft tall
Significant Hazard Tailings Private

Key Takeaway

Grouse Creek South is classified as significant hazard in Idaho. It was completed in 1994 and is 32 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 300 ft (taller than 98.5% in ID)
Dam Length1,400 ft
Normal Storage6.4K acre-ft
Surface Area135 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1994 (32 years old)
NID IDID00463

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: July 2, 2013
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grouse Creek South?

Grouse Creek South 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 Grouse Creek South?

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

When was Grouse Creek South built?

Grouse Creek South was completed in 1994, making it 32 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 Grouse Creek South?

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

How tall is Grouse Creek South?

Grouse Creek South has a dam height of 300 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 Grouse Creek South last inspected?

Grouse Creek South was last inspected on July 2, 2013. 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.