Hunner Tailings

Prairie River-OS· Itasca, Minnesota· Built 1956· Earth· 25 ft tall
Low Hazard Tailings Local Government

Key Takeaway

Hunner Tailings is classified as low hazard in Minnesota. It was completed in 1956 and is 70 years old. Its primary use is tailings.

Physical Details

Dam Height 25 ft (taller than 72.3% in MN)
Dam Length8,800 ft
Dam TypeEarth
Max Storage3.8K acre-ft
Normal Storage1.5K acre-ft
Drainage Area1 sq mi
Year Completed1956 (70 years old)
NID IDMN00774

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: October 15, 2014
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

County of Itasca

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hunner Tailings?

Hunner Tailings 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 Hunner Tailings?

Hunner Tailings is owned by County of Itasca (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hunner Tailings built?

Hunner Tailings was completed in 1956, making it 70 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 Hunner Tailings?

Hunner Tailings serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hunner Tailings?

Hunner Tailings has a dam height of 25 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 Hunner Tailings last inspected?

Hunner Tailings was last inspected on October 15, 2014. 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.