Pool No. 22, located in Thief River Falls, Minnesota, is a federal-owned earth dam on the Mud River. Built in 1946, this dam stands at a height of 8 feet and spans 5000 feet in length, with a storage capacity of 1390 acre-feet. While primarily serving purposes classified as 'Other,' this dam's low hazard potential and 'Not Rated' condition assessment indicate its stable and reliable performance over the years.

Managed by the Omaha District of the US Army Corps of Engineers, Pool No. 22 plays a crucial role in regulating water flow and storage in the region, with a maximum discharge capacity of 1400 cubic feet per second. Despite not being state-regulated or inspected, this dam has demonstrated its resilience and effectiveness in mitigating flood risks and ensuring water resource sustainability in the Marshall County area. With its location in a scenic and environmentally diverse setting, Pool No. 22 serves as a vital infrastructure asset for both water resource management and climate adaptation efforts in the region.

As an integral part of the water management system in Minnesota, Pool No. 22 represents a harmonious blend of engineering excellence and environmental stewardship. With its strategic location, reliable performance, and low-risk profile, this dam stands as a testament to effective water infrastructure planning and management. For water resource and climate enthusiasts, Pool No. 22 showcases the essential role that well-maintained dams play in ensuring water security, environmental conservation, and community resilience in the face of changing climate patterns.