Fish Hatchery

MINOCQUA THOROUGHFARE· Oneida, Wisconsin· Built 1955· Gravity· 7 ft tall
Significant Hazard Other Recreation State Government

Key Takeaway

Fish Hatchery is classified as significant hazard in Wisconsin. It was completed in 1955 and is 71 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 7 ft (taller than 1% in WI)
Dam Length180 ft
Dam TypeGravity
Max Storage800 acre-ft
Normal Storage750 acre-ft
Surface Area159 acres
Drainage Area32 sq mi
Max Discharge260 cfs
Year Completed1955 (71 years old)
NID IDWI10368

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: August 17, 2020
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 Fish Hatchery?

Fish Hatchery is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Fish Hatchery?

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

When was Fish Hatchery built?

Fish Hatchery was completed in 1955, making it 71 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 Fish Hatchery?

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

How tall is Fish Hatchery?

Fish Hatchery 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 Fish Hatchery last inspected?

Fish Hatchery was last inspected on August 17, 2020. 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.