Joel Marsh Wla

North Branch Beaver Brook· Polk, Wisconsin· Earth· 7 ft tall
Low Hazard State Government

Key Takeaway

Joel Marsh Wla is classified as low hazard in Wisconsin.

Physical Details

Dam Height 7 ft (taller than 1% in WI)
Dam Length800 ft
Dam TypeEarth
Max Storage3.6K acre-ft
Normal Storage1.5K acre-ft
Surface Area585 acres
Drainage Area17 sq mi
Max Discharge2,455 cfs
NID IDWI01223

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: July 29, 2013
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 Joel Marsh Wla?

Joel Marsh Wla 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 Joel Marsh Wla?

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

How tall is Joel Marsh Wla?

Joel Marsh Wla has a dam height of 7 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 Joel Marsh Wla last inspected?

Joel Marsh Wla was last inspected on July 29, 2013. 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.