Upper Eau Claire Lake

Bayfield, Wisconsin· Built 1950· Gravity· 6 ft tall
Low Hazard Recreation Other Private

Key Takeaway

Upper Eau Claire Lake is classified as low hazard in Wisconsin. It was completed in 1950 and is 76 years old. Its primary use is recreation.

Physical Details

Dam Height 6 ft
Dam TypeGravity
Max Storage4.0K acre-ft
Normal Storage3.0K acre-ft
Surface Area1,030 acres
Drainage Area8 sq mi
Max Discharge110 cfs
Year Completed1950 (76 years old)
NID IDWI10053

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: Yes
Last Inspection: June 23, 2020
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Lundsberg, James

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Upper Eau Claire Lake?

Upper Eau Claire 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 Upper Eau Claire Lake?

Upper Eau Claire Lake is owned by Lundsberg, James (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Upper Eau Claire Lake built?

Upper Eau Claire Lake was completed in 1950, making it 76 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 Upper Eau Claire Lake?

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

How tall is Upper Eau Claire Lake?

Upper Eau Claire Lake has a dam height of 6 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 Upper Eau Claire Lake last inspected?

Upper Eau Claire Lake was last inspected on June 23, 2020. 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.