Beardsley #7

COAL CREEK· Custer, Montana· Built 1964· Earth· 28 ft tall

Key Takeaway

Beardsley #7 is classified as low hazard in Montana. It was completed in 1964 and is 62 years old. Its primary use is fire protection.

Physical Details

Dam Height 28 ft (taller than 80.9% in MT)
Dam Length792 ft
Dam TypeEarth
Max Storage239 acre-ft
Normal Storage151 acre-ft
Year Completed1964 (62 years old)
NID IDMT01184

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

JOHN H BEARDSLEY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Beardsley #7?

Beardsley #7 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 Beardsley #7?

Beardsley #7 is owned by JOHN H BEARDSLEY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Beardsley #7 built?

Beardsley #7 was completed in 1964, making it 62 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 Beardsley #7?

Beardsley #7 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Beardsley #7?

Beardsley #7 has a dam height of 28 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.