Rhinelander

Wisconsin River· Oneida, Wisconsin· Built 1876· Gravity· 24 ft tall
High Hazard Hydroelectric Private

Key Takeaway

Rhinelander is classified as high hazard in Wisconsin. It was completed in 1876 and is 150 years old. Its primary use is hydroelectric. 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 24 ft (taller than 69.1% in WI)
Dam Length511 ft
Dam TypeGravity
Max Storage24.7K acre-ft
Normal Storage21.5K acre-ft
Surface Area3,576 acres
Drainage Area861 sq mi
Max Discharge7,000 cfs
Year Completed1876 (150 years old)
NID IDWI00771

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: September 13, 2022
State Regulated: No

Ownership

Rhinelander Paper Co

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rhinelander?

Rhinelander 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 Rhinelander?

Rhinelander is owned by Rhinelander Paper Co (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rhinelander built?

Rhinelander was completed in 1876, making it 150 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 Rhinelander?

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

How tall is Rhinelander?

Rhinelander has a dam height of 24 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 Rhinelander last inspected?

Rhinelander was last inspected on September 13, 2022. 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.