Roseau River

Roseau River· Lake of the Woods, Minnesota· Built 1932· Earth· 10 ft tall
Low Hazard Recreation State Government

Key Takeaway

Roseau River is classified as low hazard in Minnesota. It was completed in 1932 and is 94 years old. Its primary use is recreation.

Physical Details

Dam Height 10 ft (taller than 30.9% in MN)
Dam Length1,700 ft
Dam TypeEarth
Max Storage250 acre-ft
Normal Storage210 acre-ft
Drainage Area42 sq mi
Max Discharge150 cfs
Year Completed1932 (94 years old)
NID IDMN00219

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: May 13, 2016
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

MNDNR-Wildlife

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Roseau River?

Roseau River 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 River?

Roseau River is owned by MNDNR-Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Roseau River built?

Roseau River was completed in 1932, making it 94 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 River?

Roseau River 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 River?

Roseau River has a dam height of 10 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 Roseau River last inspected?

Roseau River was last inspected on May 13, 2016. 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.