Warren Storage

Snake River· Marshall, Minnesota· Built 2002· Earth· 26 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Warren Storage is classified as significant hazard in Minnesota. It was completed in 2002 and is 24 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 26 ft (taller than 74.2% in MN)
Dam Length23,000 ft
Dam TypeEarth
Max Storage7.0K acre-ft
Normal Storage50 acre-ft
Surface Area5 acres
Drainage Area56 sq mi
Max Discharge4,300 cfs
Year Completed2002 (24 years old)
NID IDMN01350

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: July 6, 2022
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

WD of Middle-Snake-Tamarac Rivers

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Warren Storage?

Warren Storage 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 Warren Storage?

Warren Storage is owned by WD of Middle-Snake-Tamarac Rivers (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Warren Storage built?

Warren Storage was completed in 2002, making it 24 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 Warren Storage?

Warren Storage 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 Warren Storage?

Warren Storage has a dam height of 26 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 Warren Storage last inspected?

Warren Storage was last inspected on July 6, 2022. 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.