Sherburne National Pool 20, located in Elk River, Minnesota, is a federal-owned earth dam completed in 1979 with a primary purpose of serving as a water resource. This dam, standing at a height of 8 feet and a length of 450 feet, holds a storage capacity of 1253 acre-feet, with a normal storage level of 716 acre-feet. The dam is situated on the St. Francis River and is managed by the St. Paul District of the US Army Corps of Engineers.

Despite its low hazard potential and satisfactory condition assessment, Sherburne National Pool 20 has not been subject to state regulation, inspection, or enforcement. The dam's last inspection was conducted in June 2007, with an inspection frequency of every 8 years. The emergency action plan status and risk assessment information for the dam are currently unspecified, indicating a possible need for further evaluation and planning to ensure the safety and security of the surrounding area in the event of an emergency related to the dam. For water resource and climate enthusiasts, Sherburne National Pool 20 offers a unique opportunity to explore the intersection of infrastructure management, environmental conservation, and emergency preparedness.