Beaulieu Lake

MARSH CREEK - TR· Mahnomen, Minnesota· Built 1922· Gravity· 10 ft tall
Unknown Fish And Wildlife Pond Federal Government

Key Takeaway

Beaulieu Lake is classified as unknown in Minnesota. It was completed in 1922 and is 104 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 10 ft (taller than 30.9% in MN)
Dam Length300 ft
Dam TypeGravity
Normal Storage1.1K acre-ft
Surface Area300 acres
Drainage Area44 sq mi
Max Discharge557 cfs
Year Completed1922 (104 years old)
Year Modified2016
NID IDMN00216

Safety Information

Unknown

Hazard potential has not been determined.

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

Emergency Action Plan: No
Last Inspection: November 17, 2009
State Regulated: No

Ownership

USFWS

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Beaulieu Lake?

Beaulieu Lake is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Beaulieu Lake?

Beaulieu Lake is owned by USFWS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Beaulieu Lake built?

Beaulieu Lake was completed in 1922, making it 104 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 Beaulieu Lake?

Beaulieu Lake serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Beaulieu Lake?

Beaulieu Lake 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 Beaulieu Lake last inspected?

Beaulieu Lake was last inspected on November 17, 2009. 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.