Ann Lake

Ann River· Kanabec, Minnesota· Built 1966· Other· 15 ft tall
Low Hazard Fish And Wildlife Pond State Government

Key Takeaway

Ann Lake is classified as low hazard in Minnesota. It was completed in 1966 and is 60 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 15 ft (taller than 50.4% in MN)
Dam Length135 ft
Dam TypeOther
Max Storage3.7K acre-ft
Normal Storage3.3K acre-ft
Surface Area363 acres
Drainage Area56 sq mi
Max Discharge250 cfs
Year Completed1966 (60 years old)
NID IDMN00401

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 20, 2016
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

MNDNR-Wildlife

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ann Lake?

Ann 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 Ann Lake?

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

When was Ann Lake built?

Ann 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 Ann Lake?

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

How tall is Ann Lake?

Ann 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 Ann Lake last inspected?

Ann Lake was last inspected on October 20, 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.