Smoky Canyon No 1

ROBERTS CREEK TYGEE CREEK· Caribou, Idaho· Built 1983· 80 ft tall
Low Hazard Tailings Private

Key Takeaway

Smoky Canyon No 1 is classified as low hazard in Idaho. It was completed in 1983 and is 43 years old. Its primary use is tailings.

Physical Details

Dam Height 80 ft (taller than 89.7% in ID)
Dam Length3,650 ft
Normal Storage2.5K acre-ft
Surface Area83 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1983 (43 years old)
Year Modified1992
NID IDID00444

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: Yes
Last Inspection: November 10, 2017
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Smoky Canyon No 2

Caribou, ID

Significant Hazard 108 ft

Lower Afton

Lincoln, WY

Low Hazard 30 ft

Frequently Asked Questions

What is the hazard classification of Smoky Canyon No 1?

Smoky Canyon No 1 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 Smoky Canyon No 1?

Smoky Canyon No 1 is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Smoky Canyon No 1 built?

Smoky Canyon No 1 was completed in 1983, making it 43 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 Smoky Canyon No 1?

Smoky Canyon No 1 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 Smoky Canyon No 1?

Smoky Canyon No 1 has a dam height of 80 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 Smoky Canyon No 1 last inspected?

Smoky Canyon No 1 was last inspected on November 10, 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.