Bloomer Mill

Duncan Creek· Chippewa, Wisconsin· Built 1856· Gravity· 17 ft tall
High Hazard Recreation Local Government

Key Takeaway

Bloomer Mill is classified as high hazard in Wisconsin. It was completed in 1856 and is 170 years old. Its primary use is recreation. 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 17 ft (taller than 53.1% in WI)
Dam Length460 ft
Dam TypeGravity
Max Storage945 acre-ft
Normal Storage200 acre-ft
Surface Area98 acres
Drainage Area48 sq mi
Max Discharge15,300 cfs
Year Completed1856 (170 years old)
NID IDWI00105

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: May 21, 2020
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

City Of Bloomer

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bloomer Mill?

Bloomer Mill 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 Bloomer Mill?

Bloomer Mill is owned by City Of Bloomer (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bloomer Mill built?

Bloomer Mill was completed in 1856, making it 170 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 Bloomer Mill?

Bloomer Mill 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 Bloomer Mill?

Bloomer Mill has a dam height of 17 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 Bloomer Mill last inspected?

Bloomer Mill was last inspected on May 21, 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.