Monroe 13

Lone Tree Creek-TR· Lyon, Minnesota· 21 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Monroe 13 is classified as low hazard in Minnesota. Its primary use is flood risk reduction.

Physical Details

Dam Height 21 ft (taller than 63.7% in MN)
Dam Length540 ft
Max Storage107 acre-ft
Drainage Area1 sq mi
NID IDMN01749

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: April 5, 2019
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

County of Lyon

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Monroe 13?

Monroe 13 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 13?

Monroe 13 is owned by County of Lyon (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Monroe 13?

Monroe 13 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 13?

Monroe 13 has a dam height of 21 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 13 last inspected?

Monroe 13 was last inspected on April 5, 2019. 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.