Lake Carlos

Long Prairie River· Douglas, Minnesota· Built 1993· Other· 3 ft tall
Unknown Recreation State Government

Key Takeaway

Lake Carlos is classified as unknown in Minnesota. It was completed in 1993 and is 33 years old. Its primary use is recreation.

Physical Details

Dam Height 3 ft (taller than 0.1% in MN)
Dam TypeOther
Max Storage156.0K acre-ft
Normal Storage156.0K acre-ft
Surface Area183 acres
Drainage Area247 sq mi
Year Completed1993 (33 years old)
NID IDMN01118

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: August 30, 2023
State Regulated: No

Ownership

MNDNR

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Carlos?

Lake Carlos 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 Lake Carlos?

Lake Carlos is owned by MNDNR (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Carlos built?

Lake Carlos was completed in 1993, making it 33 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 Lake Carlos?

Lake Carlos 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 Lake Carlos?

Lake Carlos has a dam height of 3 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 Lake Carlos last inspected?

Lake Carlos was last inspected on August 30, 2023. 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.