The Little Willow River in Minnesota is a state-regulated body of water known for its important role in supporting fish and wildlife. Built in 1977 by the Minnesota Department of Natural Resources, this dam serves as a fish and wildlife pond with a storage capacity of 100 acre-feet and a normal storage of 10 acre-feet. The dam stands at a height of 10 feet and stretches 56 feet in length, providing a habitat for various species in the area.

Located in Aitkin County, the Little Willow River dam has a low hazard potential and is classified as satisfactory in condition assessment. With a moderate risk level, the dam is inspected every 8 years to ensure its safety and functionality. The surrounding area boasts a drainage area of 20 square miles and a surface area of 5 acres, making it a vital resource for water conservation and management in the region.

Although the dam has an uncontrolled spillway type, it has been designed with buttress core types to withstand potential risks. With a focus on fish and wildlife preservation, the Little Willow River dam is a crucial water resource for climate enthusiasts and conservationists looking to protect and sustain the ecological balance of the area.