Mcginnis Lake

NEENAH CREEK· Adams, Wisconsin· Built 1966· Gravity· 15 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Mcginnis Lake is classified as low hazard in Wisconsin. It was completed in 1966 and is 60 years old. Its primary use is recreation.

Physical Details

Dam Height 15 ft (taller than 45% in WI)
Dam Length450 ft
Dam TypeGravity
Max Storage370 acre-ft
Normal Storage240 acre-ft
Surface Area33 acres
Drainage Area0 sq mi
Max Discharge14 cfs
Year Completed1966 (60 years old)
NID IDWI00238

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: Yes
Last Inspection: August 23, 2016
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Adams County

Local Government

Nearby Dams

Peppermill

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Oxford

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Lawrence Lake

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Westfield

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Low Hazard 19 ft

Easton

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Low Hazard 20 ft

Richards Mill

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Significant Hazard 13 ft

Fawn Lake

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High Hazard 19 ft

Friendship

Adams, WI

Significant Hazard 22 ft

Frequently Asked Questions

What is the hazard classification of Mcginnis Lake?

Mcginnis Lake 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 Mcginnis Lake?

Mcginnis Lake is owned by Adams County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mcginnis Lake built?

Mcginnis Lake was completed in 1966, making it 60 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 Mcginnis Lake?

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

How tall is Mcginnis Lake?

Mcginnis Lake has a dam height of 15 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 Mcginnis Lake last inspected?

Mcginnis Lake was last inspected on August 23, 2016. 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.