Auroraville

WILLOW CREEK· Waushara, Wisconsin· Built 1987· Gravity· 13 ft tall
High Hazard Other Recreation Private

Key Takeaway

Auroraville is classified as high hazard in Wisconsin. It was completed in 1987 and is 39 years old. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 13 ft (taller than 35.2% in WI)
Dam Length350 ft
Dam TypeGravity
Max Storage1.3K acre-ft
Normal Storage484 acre-ft
Surface Area209 acres
Drainage Area80 sq mi
Max Discharge1,230 cfs
Year Completed1987 (39 years old)
NID IDWI00340

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: September 26, 2019
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Olsen Brothers

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Auroraville?

Auroraville is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Auroraville?

Auroraville is owned by Olsen Brothers (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Auroraville built?

Auroraville was completed in 1987, making it 39 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 Auroraville?

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

How tall is Auroraville?

Auroraville has a dam height of 13 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 Auroraville last inspected?

Auroraville was last inspected on September 26, 2019. 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.