Monroe 8

Cottonwood River-TR· Lyon, Minnesota· Built 2010· Earth· 39 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Monroe 8 is classified as low hazard in Minnesota. It was completed in 2010 and is 16 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 39 ft (taller than 92.8% in MN)
Dam Length400 ft
Dam TypeEarth
Max Storage400 acre-ft
Surface Area3 acres
Drainage Area6 sq mi
Year Completed2010 (16 years old)
NID IDMN01566

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: May 7, 2014
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

Ludeman, Ben

Private

Nearby Dams

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Kass-Morgan Group Farm Pond

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Amiret 32

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Monroe 4

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Monroe 3

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Twp Road 30 East

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Low Hazard 22 ft

Custer 13

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Frequently Asked Questions

What is the hazard classification of Monroe 8?

Monroe 8 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 Monroe 8?

Monroe 8 is owned by Ludeman, Ben (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Monroe 8 built?

Monroe 8 was completed in 2010, making it 16 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 Monroe 8?

Monroe 8 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Monroe 8?

Monroe 8 has a dam height of 39 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 Monroe 8 last inspected?

Monroe 8 was last inspected on May 7, 2014. 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.