Little Willow River
Key Takeaway
Little Willow River is classified as low hazard in Minnesota. It was completed in 1977 and is 49 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 6 ft (taller than 1.9% in MN) |
| Dam Length | 56 ft |
| Dam Type | Other |
| Max Storage | 100 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 20 sq mi |
| Max Discharge | 50 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | MN00687 |
Safety Information
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?
Ownership
MNDNR-Wildlife
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Little Willow River?
Little Willow River 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 Little Willow River?
Little Willow River is owned by MNDNR-Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little Willow River built?
Little Willow River was completed in 1977, making it 49 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 Little Willow River?
Little Willow River 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 Little Willow River?
Little Willow River has a dam height of 6 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 Little Willow River last inspected?
Little Willow River was last inspected on October 7, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.