Mussigbrod Lake Dam

MUSSIGBROD CREEK· Beaverhead, Montana· Built 1969· Earth· 15 ft tall
Significant Hazard Irrigation Private

Key Takeaway

Mussigbrod Lake Dam is classified as significant hazard in Montana. It was completed in 1969 and is 57 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 15 ft (taller than 18.8% in MT)
Dam Length530 ft
Dam TypeEarth
Max Storage3.4K acre-ft
Normal Storage824 acre-ft
Surface Area109 acres
Drainage Area15 sq mi
Max Discharge2,370 cfs
Year Completed1969 (57 years old)
NID IDMT00184

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: August 27, 2014
State Regulated: Yes
Regulatory Agency: DNRC

Ownership

BLANCH BUCK

Private

Frequently Asked Questions

What is the hazard classification of Mussigbrod Lake Dam?

Mussigbrod Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Mussigbrod Lake Dam?

Mussigbrod Lake Dam is owned by BLANCH BUCK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mussigbrod Lake Dam built?

Mussigbrod Lake Dam was completed in 1969, making it 57 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 Mussigbrod Lake Dam?

Mussigbrod Lake Dam 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 Mussigbrod Lake Dam?

Mussigbrod Lake Dam has a dam height of 15 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 Mussigbrod Lake Dam last inspected?

Mussigbrod Lake Dam was last inspected on August 27, 2014. 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.