Ross 7

Two Rivers Middle Br-TR· Roseau, Minnesota· Built 2007· Earth· 18 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Ross 7 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 18 ft (taller than 57.4% in MN)
Dam TypeEarth
Max Storage7.0K acre-ft
Normal Storage2.5K acre-ft
Surface Area2 acres
Drainage Area18 sq mi
Year Completed2007 (19 years old)
NID IDMN01429

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: September 22, 2021
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

WD of Two Rivers

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ross 7?

Ross 7 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 Ross 7?

Ross 7 is owned by WD of Two Rivers (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ross 7 built?

Ross 7 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 Ross 7?

Ross 7 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 Ross 7?

Ross 7 has a dam height of 18 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 Ross 7 last inspected?

Ross 7 was last inspected on September 22, 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.