Thompson Mtis

BRUNO CREEK SQUAW CREEK· Custer, Idaho· Built 1982· 789 ft tall
High Hazard Tailings Private

Physical Details

Dam Height 789 ft (taller than 99.7% in ID)
Dam Length3,960 ft
Normal Storage895.0K acre-ft
Surface Area320 acres
Drainage Area3 sq mi
Max Discharge0 cfs
Year Completed1982 (44 years old)
Year Modified2013
NID IDID00448

Safety Information

High Hazard

Loss of human life is likely if the dam fails

Emergency Action Plan: Yes
Last Inspection: June 5, 2019
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thompson Mtis?

Thompson Mtis is classified as High Hazard. Loss of human life is likely if the dam fails.

Who owns Thompson Mtis?

Thompson Mtis is owned by information not available (Private).

When was Thompson Mtis last inspected?

Thompson Mtis was last inspected on June 5, 2019.

When was Thompson Mtis built?

Thompson Mtis was completed in 1982, making it 44 years old.

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.