Sterle Pool, also known as Sawyer Wildlife Impoundment Dam, is a concrete dam located in Barnum, Minnesota. Built in 1990 by MNDOT, this structure serves as a Fish and Wildlife Pond with a storage capacity of 250 acre-feet. The dam stands at a height of 20 feet and covers a surface area of 25 acres, providing a habitat for various wildlife species in the area.

Despite its low hazard potential and satisfactory condition assessment, Sterle Pool has not been regulated or inspected by the state of Minnesota. The dam is situated on the Moose Horn River, within the Detroit District of the US Army Corps of Engineers. With a drainage area of 2.8 square miles, this dam plays a key role in managing water resources in the region and supporting the local ecosystem.

For water resource and climate enthusiasts, Sterle Pool offers a unique opportunity to observe the intersection of infrastructure development and environmental conservation. As a primary source of water for fish and wildlife, this concrete dam stands as a testament to the importance of sustainable water management practices in maintaining ecological balance and biodiversity in the Carlton County area of Minnesota.