Bison Bone Retention Dam

BEAUCHAMP CK./MISSOURI RIVER (· Phillips, Montana· Built 1967· Gravity·
Low Hazard Fire Protection Stock Or Small Fish Pond Federal Government

Key Takeaway

Bison Bone Retention Dam is classified as low hazard in Montana. It was completed in 1967 and is 59 years old. Its primary use is fire protection.

Physical Details

Dam Length900 ft
Dam TypeGravity
Max Storage476 acre-ft
Normal Storage235 acre-ft
Surface Area42 acres
Drainage Area2 sq mi
Year Completed1967 (59 years old)
NID IDMT02805

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
Last Inspection: July 10, 2011
State Regulated: No

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bison Bone Retention Dam?

Bison Bone Retention Dam 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 Bison Bone Retention Dam?

Bison Bone Retention Dam is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bison Bone Retention Dam built?

Bison Bone Retention Dam was completed in 1967, making it 59 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 Bison Bone Retention Dam?

Bison Bone Retention Dam 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.

When was Bison Bone Retention Dam last inspected?

Bison Bone Retention Dam was last inspected on July 10, 2011. 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.