Brillion Ryan Street

TRIB TO SPRING CREEK· Calumet, Wisconsin· Built 1997· Earth· 15 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Brillion Ryan Street is classified as high hazard in Wisconsin. It was completed in 1997 and is 29 years old. Its primary use is flood risk reduction. 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 15 ft (taller than 45% in WI)
Dam TypeEarth
Max Storage111 acre-ft
Year Completed1997 (29 years old)
NID IDWI01218

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: June 22, 2021
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

City Of Brillion

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Brillion Ryan Street?

Brillion Ryan Street 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 Brillion Ryan Street?

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

When was Brillion Ryan Street built?

Brillion Ryan Street was completed in 1997, making it 29 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 Brillion Ryan Street?

Brillion Ryan Street serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Brillion Ryan Street?

Brillion Ryan Street has a dam height of 15 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 Brillion Ryan Street last inspected?

Brillion Ryan Street was last inspected on June 22, 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.