Montana #7

TR-YELLOWSTONE RIVER· Rosebud, Montana· Built 1953· Earth· 15 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond State Government

Key Takeaway

Montana #7 is classified as low hazard in Montana. It was completed in 1953 and is 73 years old. Its primary use is fire protection.

Physical Details

Dam Height 15 ft (taller than 18.8% in MT)
Dam Length150 ft
Dam TypeEarth
Max Storage62 acre-ft
Normal Storage32 acre-ft
Drainage Area1 sq mi
Year Completed1953 (73 years old)
NID IDMT01883

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

STATE OF MONTANA, D.N.R.C., T.L.M.D.

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Montana #7?

Montana #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 Montana #7?

Montana #7 is owned by STATE OF MONTANA, D.N.R.C., T.L.M.D. (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Montana #7 built?

Montana #7 was completed in 1953, making it 73 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 Montana #7?

Montana #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 Montana #7?

Montana #7 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.

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.