Coon Creek 17

TR TIMBER COULEE· Vernon, Wisconsin· Built 1962· Earth· 45 ft tall
High Hazard Flood Risk Reduction Debris Control Local Government

Key Takeaway

Coon Creek 17 is classified as high hazard in Wisconsin. It was completed in 1962 and is 64 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 45 ft (taller than 95.9% in WI)
Dam Length275 ft
Dam TypeEarth
Max Storage93 acre-ft
Normal Storage2 acre-ft
Surface Area1 acres
Drainage Area1 sq mi
Max Discharge504 cfs
Year Completed1962 (64 years old)
NID IDWI00407

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 6, 2021
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Vernon County

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Coon Creek 17?

Coon Creek 17 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 Coon Creek 17?

Coon Creek 17 is owned by Vernon County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Coon Creek 17 built?

Coon Creek 17 was completed in 1962, making it 64 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 Coon Creek 17?

Coon Creek 17 serves the following purposes: Flood Risk Reduction, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Coon Creek 17?

Coon Creek 17 has a dam height of 45 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 Coon Creek 17 last inspected?

Coon Creek 17 was last inspected on May 6, 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.