Roseau

Roseau, Minnesota· Built 1930· 9 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Roseau is classified as low hazard in Minnesota. It was completed in 1930 and is 96 years old. Its primary use is recreation.

Physical Details

Dam Height 9 ft (taller than 25.1% in MN)
Max Storage50 acre-ft
Normal Storage50 acre-ft
Drainage Area474 sq mi
Year Completed1930 (96 years old)
Year Modified2023
NID IDMN01662

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: MNDNR EWR

Ownership

City of Roseau

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Roseau?

Roseau 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 Roseau?

Roseau is owned by City of Roseau (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Roseau built?

Roseau was completed in 1930, making it 96 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 Roseau?

Roseau serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Roseau?

Roseau has a dam height of 9 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.