Twp Road 107

Yellow Medicine River-TR· Lyon, Minnesota· Built 1981· Earth· 31 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Twp Road 107 is classified as low hazard in Minnesota. It was completed in 1981 and is 45 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 31 ft (taller than 85% in MN)
Dam TypeEarth
Max Storage212 acre-ft
Surface Area0 acres
Drainage Area3 sq mi
Year Completed1981 (45 years old)
Year Modified1991
NID IDMN01644

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 8, 2013
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

County of Lyon

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Twp Road 107?

Twp Road 107 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 Twp Road 107?

Twp Road 107 is owned by County of Lyon (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Twp Road 107 built?

Twp Road 107 was completed in 1981, making it 45 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 Twp Road 107?

Twp Road 107 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 Twp Road 107?

Twp Road 107 has a dam height of 31 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 Twp Road 107 last inspected?

Twp Road 107 was last inspected on April 8, 2013. 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.