Euclid Impoundment, located in Euclid, Minnesota, is a local government-owned dam designed by HDR and Thief River Falls to serve the primary purpose of flood risk reduction along the Grand Marais Creek-TR. Completed in 2006, this earth dam stands at a height of 16 feet and has a storage capacity of 2443 acre-feet. Despite its low hazard potential and fair condition assessment, the dam is inspected every 8 years to ensure its safety and compliance with state regulations.

The Euclid Impoundment is under the jurisdiction of the Minnesota Department of Natural Resources - Environmental and Water Resources division, with permitting, inspection, and enforcement all handled by the state agency. The dam features a slide (sluice gate) outlet gate and is situated in a drainage area of 4.1 square miles. While no associated structures are connected to the dam, its strategic location in Polk County plays a crucial role in mitigating flood risks and protecting the surrounding communities from potential water-related disasters.

With its vital role in flood risk management and its compliance with state regulatory standards, the Euclid Impoundment stands as a testament to effective water resource management in Minnesota. As an integral part of the local infrastructure, this dam showcases the importance of proactive maintenance and monitoring to ensure the safety and resilience of water resources in the face of climate variability and changing environmental conditions.