Winter

East Fork Chippewa· Sawyer, Wisconsin· Built 1952· Gravity· 9 ft tall
Low Hazard Hydroelectric Fish And Wildlife Pond Recreation Public Utility

Key Takeaway

Winter is classified as low hazard in Wisconsin. It was completed in 1952 and is 74 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 9 ft (taller than 12% in WI)
Dam Length145 ft
Dam TypeGravity
Max Storage300 acre-ft
Normal Storage300 acre-ft
Surface Area55 acres
Drainage Area228 sq mi
Max Discharge6,000 cfs
Year Completed1952 (74 years old)
NID IDWI00798

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: July 19, 2018
State Regulated: No

Ownership

Flambeau Hydro, Llc

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Winter?

Winter 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 Winter?

Winter is owned by Flambeau Hydro, Llc (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Winter built?

Winter was completed in 1952, making it 74 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 Winter?

Winter serves the following purposes: Hydroelectric, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Winter?

Winter 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 Winter last inspected?

Winter was last inspected on July 19, 2018. 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.