Lake Sarah, located in Murray County, Minnesota, is a gravity dam constructed in 1923 primarily for flood risk reduction along the Des Moines River. The dam stands at a height of 7 feet with a structural height of 9 feet and a length of 80 feet, providing a storage capacity of 5865 acre-feet and a surface area of 1193 acres. Despite its low hazard potential, the dam is regularly inspected by the Minnesota Department of Natural Resources to ensure its satisfactory condition and safety for the surrounding community.

Managed by the local government of Currie, Lake Sarah plays a crucial role in regulating water flow and mitigating flood risks in the region. With a drainage area of 20 square miles and a maximum discharge capacity of 1385 cubic feet per second, the dam serves as a vital infrastructure for water resource management in the area. Its satisfactory condition and low hazard potential make it a reliable asset for both flood control and recreational activities, attracting climate and water resource enthusiasts alike to explore its scenic surroundings.

As a state-regulated structure with state jurisdiction and permitting, Lake Sarah is subject to regular inspections and enforcement measures by the Minnesota DNR. The dam's design, construction, and operations are closely monitored to ensure its effectiveness in flood risk reduction while maintaining environmental sustainability. With its historical significance dating back to the early 20th century, Lake Sarah stands as a testament to human ingenuity in harnessing water resources for the benefit of local communities and the preservation of natural landscapes in Minnesota.