Powell Falls

Kinnickinnic River· Pierce, Wisconsin· Built 1870· Gravity· 21 ft tall
Low Hazard Recreation Hydroelectric Local Government

Key Takeaway

Powell Falls is classified as low hazard in Wisconsin. It was completed in 1870 and is 156 years old. Its primary use is recreation.

Physical Details

Dam Height 21 ft (taller than 63.7% in WI)
Dam Length150 ft
Dam TypeGravity
Max Storage120 acre-ft
Normal Storage65 acre-ft
Surface Area15 acres
Drainage Area116 sq mi
Max Discharge2,930 cfs
Year Completed1870 (156 years old)
NID IDWI00079

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: No
Last Inspection: September 27, 2017
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

City Of River Falls

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Powell Falls?

Powell Falls 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 Powell Falls?

Powell Falls is owned by City Of River Falls (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Powell Falls built?

Powell Falls was completed in 1870, making it 156 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 Powell Falls?

Powell Falls serves the following purposes: Recreation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Powell Falls?

Powell Falls has a dam height of 21 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 Powell Falls last inspected?

Powell Falls was last inspected on September 27, 2017. 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.