Brooks and Ross

EAU CLAIRE· Marathon, Wisconsin· Built 1850· Gravity· 12 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Brooks and Ross is classified as low hazard in Wisconsin. It was completed in 1850 and is 176 years old. Its primary use is recreation.

Physical Details

Dam Height 12 ft (taller than 30.4% in WI)
Dam Length500 ft
Dam TypeGravity
Max Storage1.2K acre-ft
Normal Storage802 acre-ft
Surface Area184 acres
Drainage Area404 sq mi
Max Discharge12,300 cfs
Year Completed1850 (176 years old)
NID IDWI00048

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: April 1, 2021
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

City Of Schofield

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Brooks and Ross?

Brooks and Ross 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 Brooks and Ross?

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

When was Brooks and Ross built?

Brooks and Ross was completed in 1850, making it 176 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 Brooks and Ross?

Brooks and Ross 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 Brooks and Ross?

Brooks and Ross has a dam height of 12 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 Brooks and Ross last inspected?

Brooks and Ross was last inspected on April 1, 2021. 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.