Charangus

SOUTH FORK LODGEPOLE CR· Garfield, Montana· Built 1936· Earth· 30 ft tall
Low Hazard Irrigation Private

Key Takeaway

Charangus is classified as low hazard in Montana. It was completed in 1936 and is 90 years old. Its primary use is irrigation.

Physical Details

Dam Height 30 ft (taller than 82.7% in MT)
Dam Length2,000 ft
Dam TypeEarth
Max Storage570 acre-ft
Normal Storage330 acre-ft
Year Completed1936 (90 years old)
NID IDMT00473

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: Yes
Regulatory Agency: DNRC

Ownership

CHARANGUS RANCH

Private

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Frequently Asked Questions

What is the hazard classification of Charangus?

Charangus 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 Charangus?

Charangus is owned by CHARANGUS RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Charangus built?

Charangus was completed in 1936, making it 90 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 Charangus?

Charangus 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 Charangus?

Charangus has a dam height of 30 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.