Horseshoe Lake Dam, located in Chewelah, Washington, is a private structure designed by Hahn Engineering and completed in 2003. This earth dam stands at a hydraulic height of 45 feet and a structural height of 35 feet, with a storage capacity of 1280 acre-feet. The primary purpose of this dam is to serve as a Fish and Wildlife Pond, providing essential habitat for local wildlife and recreational opportunities for visitors.

Managed by the Washington Department of Ecology, Horseshoe Lake Dam is state-regulated and subject to regular inspections to ensure its safe operation. With a hazard potential classified as high, the dam's condition assessment in 2015 was deemed satisfactory. The surrounding area boasts a surface area of 30 acres and a drainage area of 3.65 square miles, making it a significant water resource in Stevens County, Washington.

Overall, Horseshoe Lake Dam plays a crucial role in supporting the local ecosystem and providing recreational amenities for the community. With its strategic location on Tr - Cottonwood Creek and strong state regulation, this dam serves as a valuable asset in water resource management and climate resilience efforts in the region.