Rochester 50th Ave Nw

South Park River-TR· Olmsted, Minnesota· Built 2007· Earth· 28 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Rochester 50th Ave Nw is classified as significant hazard in Minnesota. It was completed in 2007 and is 19 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 28 ft (taller than 78.9% in MN)
Dam TypeEarth
Max Storage150 acre-ft
Surface Area4 acres
Drainage Area1 sq mi
Year Completed2007 (19 years old)
NID IDMN01430

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 16, 2021
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

City of Rochester

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rochester 50th Ave Nw?

Rochester 50th Ave Nw is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Rochester 50th Ave Nw?

Rochester 50th Ave Nw is owned by City of Rochester (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rochester 50th Ave Nw built?

Rochester 50th Ave Nw was completed in 2007, making it 19 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 Rochester 50th Ave Nw?

Rochester 50th Ave Nw 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 Rochester 50th Ave Nw?

Rochester 50th Ave Nw has a dam height of 28 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 Rochester 50th Ave Nw last inspected?

Rochester 50th Ave Nw was last inspected on June 16, 2021. 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.