Lake Elysian

Mayhew Creek· Waseca, Minnesota· Built 1946· Gravity· 8 ft tall
Low Hazard Recreation State Government

Key Takeaway

Lake Elysian is classified as low hazard in Minnesota. It was completed in 1946 and is 80 years old. Its primary use is recreation.

Physical Details

Dam Height 8 ft (taller than 16.2% in MN)
Dam Length500 ft
Dam TypeGravity
Max Storage19.0K acre-ft
Normal Storage13.0K acre-ft
Surface Area2,273 acres
Drainage Area46 sq mi
Max Discharge1,735 cfs
Year Completed1946 (80 years old)
NID IDMN00108

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: June 22, 2023
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

MNDNR-Wildlife

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Elysian?

Lake Elysian 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 Lake Elysian?

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

When was Lake Elysian built?

Lake Elysian was completed in 1946, making it 80 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 Elysian?

Lake Elysian 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 Elysian?

Lake Elysian has a dam height of 8 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 Elysian last inspected?

Lake Elysian was last inspected on June 22, 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.