Crow #71

Big Horn, Montana· Built 1960· 25 ft tall
Low Hazard Not Listed

Key Takeaway

Crow #71 is classified as low hazard in Montana. It was completed in 1960 and is 66 years old.

Physical Details

Dam Height 25 ft (taller than 70.3% in MT)
Max Storage82 acre-ft
Normal Storage48 acre-ft
Year Completed1960 (66 years old)
NID IDMT02197

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: No
State Regulated: No

Ownership

Not Listed

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Crow #71?

Crow #71 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 Crow #71?

Crow #71 is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crow #71 built?

Crow #71 was completed in 1960, making it 66 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Crow #71?

Crow #71 has a dam height of 25 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.

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.