Winton Dyke No. 2

Kawishiwi River· Lake, Minnesota· Built 1923· Earth· 7 ft tall
Low Hazard Hydroelectric Recreation Private

Key Takeaway

Winton Dyke No. 2 is classified as low hazard in Minnesota. It was completed in 1923 and is 103 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 7 ft (taller than 8.5% in MN)
Dam Length250 ft
Dam TypeEarth
Max Storage17.6K acre-ft
Normal Storage8.3K acre-ft
Surface Area2,983 acres
Drainage Area1,200 sq mi
Year Completed1923 (103 years old)
NID IDMN00607

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 24, 2018
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

Allete, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Winton Dyke No. 2?

Winton Dyke No. 2 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 Winton Dyke No. 2?

Winton Dyke No. 2 is owned by Allete, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Winton Dyke No. 2 built?

Winton Dyke No. 2 was completed in 1923, making it 103 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 Winton Dyke No. 2?

Winton Dyke No. 2 serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Winton Dyke No. 2?

Winton Dyke No. 2 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 Winton Dyke No. 2 last inspected?

Winton Dyke No. 2 was last inspected on July 24, 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.