Stillwell

Stillwell Creek· Monroe, Wisconsin· Built 1944· Earth·
Low Hazard Recreation Federal Government

Key Takeaway

Stillwell is classified as low hazard in Wisconsin. It was completed in 1944 and is 82 years old. Its primary use is recreation.

Physical Details

Dam Length240 ft
Dam TypeEarth
Max Storage61 acre-ft
Normal Storage27 acre-ft
Surface Area4 acres
Year Completed1944 (82 years old)
NID IDWI12791

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: July 29, 2020
State Regulated: No

Ownership

Fort Mccoy

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Stillwell?

Stillwell 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 Stillwell?

Stillwell is owned by Fort Mccoy (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Stillwell built?

Stillwell was completed in 1944, making it 82 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 Stillwell?

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

When was Stillwell last inspected?

Stillwell was last inspected on July 29, 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.