Eagle Lake

Watonwan River-TR· Cottonwood, Minnesota· Built 1948· Gravity· 11 ft tall
Low Hazard Other Local Government

Key Takeaway

Eagle Lake is classified as low hazard in Minnesota. It was completed in 1948 and is 78 years old. Its primary use is other.

Physical Details

Dam Height 11 ft (taller than 37.6% in MN)
Dam Length12 ft
Dam TypeGravity
Max Storage9.6K acre-ft
Normal Storage6.1K acre-ft
Surface Area105 acres
Drainage Area1 sq mi
Max Discharge310 cfs
Year Completed1948 (78 years old)
NID IDMN00163

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: November 1, 2012
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

County of Cottonwood

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Eagle Lake?

Eagle Lake 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 Eagle Lake?

Eagle Lake is owned by County of Cottonwood (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Eagle Lake built?

Eagle Lake was completed in 1948, making it 78 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 Eagle Lake?

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

How tall is Eagle Lake?

Eagle Lake has a dam height of 11 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 Eagle Lake last inspected?

Eagle Lake was last inspected on November 1, 2012. 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.