Fish Lake

Ann River· Kanabec, Minnesota· Built 1930· Gravity· 10 ft tall
Low Hazard Other State Government

Key Takeaway

Fish Lake is classified as low hazard in Minnesota. It was completed in 1930 and is 96 years old. Its primary use is other.

Physical Details

Dam Height 10 ft (taller than 30.9% in MN)
Dam Length1,200 ft
Dam TypeGravity
Max Storage3.7K acre-ft
Normal Storage2.4K acre-ft
Surface Area440 acres
Drainage Area87 sq mi
Max Discharge1,899 cfs
Year Completed1930 (96 years old)
NID IDMN00572

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: October 7, 2021
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

MNDNR-Fisheries and Wildlife

State Government

Nearby Dams

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Albert Lake

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Knife Lake

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Lundquist Dam

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Low Hazard 5 ft

Ann Lake

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Low Hazard 15 ft

Cranberry Wma North Pool

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Low Hazard 11 ft

Mud Lake

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Carda Impoundment

Kanabec, MN

Low Hazard 14 ft

Frequently Asked Questions

What is the hazard classification of Fish Lake?

Fish 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 Fish Lake?

Fish Lake is owned by MNDNR-Fisheries and Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Fish Lake built?

Fish Lake was completed in 1930, making it 96 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 Lake?

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

How tall is Fish Lake?

Fish Lake has a dam height of 10 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 Lake last inspected?

Fish Lake was last inspected on October 7, 2021. 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.