Port Edwards

Wisconsin River· Wood, Wisconsin· Built 1855· Gravity· 22 ft tall
Low Hazard Hydroelectric Recreation Private

Key Takeaway

Port Edwards is classified as low hazard in Wisconsin. It was completed in 1855 and is 171 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 22 ft (taller than 64.9% in WI)
Dam Length1,215 ft
Dam TypeGravity
Max Storage1.3K acre-ft
Normal Storage1.3K acre-ft
Surface Area150 acres
Drainage Area5,430 sq mi
Max Discharge38,380 cfs
Year Completed1855 (171 years old)
NID IDWI00819

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 25, 2019
State Regulated: No

Ownership

Domtar Wisconsin Dam Corp

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Port Edwards?

Port Edwards 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 Port Edwards?

Port Edwards is owned by Domtar Wisconsin Dam Corp (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Port Edwards built?

Port Edwards was completed in 1855, making it 171 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 Port Edwards?

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

How tall is Port Edwards?

Port Edwards has a dam height of 22 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 Port Edwards last inspected?

Port Edwards was last inspected on September 25, 2019. 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.