Beaver Brook (Joel Flowage)

North Branch Beaver Brook· Polk, Wisconsin· Built 1931· Gravity· 9 ft tall
Low Hazard Other Recreation State Government

Key Takeaway

Beaver Brook (Joel Flowage) is classified as low hazard in Wisconsin. It was completed in 1931 and is 95 years old. Its primary use is other.

Physical Details

Dam Height 9 ft (taller than 12% in WI)
Dam Length2,000 ft
Dam TypeGravity
Max Storage370 acre-ft
Normal Storage170 acre-ft
Surface Area65 acres
Drainage Area22 sq mi
Max Discharge120 cfs
Year Completed1931 (95 years old)
NID IDWI00285

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: June 17, 2003
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Wisconsin Department of Natural Resources

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Beaver Brook (Joel Flowage)?

Beaver Brook (Joel Flowage) 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 Beaver Brook (Joel Flowage)?

Beaver Brook (Joel Flowage) is owned by Wisconsin Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Beaver Brook (Joel Flowage) built?

Beaver Brook (Joel Flowage) was completed in 1931, making it 95 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 Beaver Brook (Joel Flowage)?

Beaver Brook (Joel Flowage) serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Beaver Brook (Joel Flowage)?

Beaver Brook (Joel Flowage) has a dam height of 9 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 Beaver Brook (Joel Flowage) last inspected?

Beaver Brook (Joel Flowage) was last inspected on June 17, 2003. 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.