Lone Wolf

TR-RICE RIVER· Itasca, Minnesota· Built 1991· Earth· 20 ft tall
Low Hazard Fish And Wildlife Pond Federal Government

Key Takeaway

Lone Wolf is classified as low hazard in Minnesota. It was completed in 1991 and is 35 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 20 ft (taller than 60.7% in MN)
Dam Length900 ft
Dam TypeEarth
Max Storage427 acre-ft
Normal Storage200 acre-ft
Surface Area237 acres
Drainage Area3 sq mi
Max Discharge400 cfs
Year Completed1991 (35 years old)
NID IDMN01699

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: August 5, 2013
State Regulated: No

Ownership

USDA FS

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lone Wolf?

Lone Wolf 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 Lone Wolf?

Lone Wolf is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lone Wolf built?

Lone Wolf was completed in 1991, making it 35 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 Lone Wolf?

Lone Wolf serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lone Wolf?

Lone Wolf has a dam height of 20 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 Lone Wolf last inspected?

Lone Wolf was last inspected on August 5, 2013. 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.