Nordland 18

So Br Yellow Medicine-TR· Lyon, Minnesota· Built 1981· 30 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Nordland 18 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 30 ft (taller than 82.5% in MN)
Dam Length800 ft
Max Storage640 acre-ft
Drainage Area19 sq mi
Year Completed1981 (45 years old)
NID IDMN01727

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, 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 Nordland 18?

Nordland 18 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 Nordland 18?

Nordland 18 is owned by County of Lyon (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Nordland 18 built?

Nordland 18 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 Nordland 18?

Nordland 18 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 Nordland 18?

Nordland 18 has a dam height of 30 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 Nordland 18 last inspected?

Nordland 18 was last inspected on May 7, 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.