Grass Lake in Kandiyohi, Minnesota is a locally owned Earth dam with a primary purpose of serving as a Fish and Wildlife Pond. Managed by Barr Eng, this low-hazard potential structure is crucial for maintaining the ecological balance of its 625-acre normal storage area. With a storage capacity of 5161 acre-feet and located within a 16.9 square mile drainage area, Grass Lake plays a vital role in preserving the natural habitat and supporting wildlife in the region.

Despite its low hazard potential, Grass Lake is regulated by the Minnesota Department of Natural Resources' Division of Ecological and Water Resources, ensuring that the dam meets state permitting, inspection, and enforcement standards. The dam's vertical lift outlet gates enable controlled water release, contributing to the overall health of the ecosystem. While the structure's condition assessment is currently not rated, regular inspections every 8 years help to monitor its performance and identify any necessary maintenance or upgrades to ensure its continued functionality.

Water resource and climate enthusiasts will appreciate the significance of Grass Lake as a key component in the conservation efforts of the local government. Its strategic location and purposeful design underscore the importance of sustainable water management practices in supporting the diverse flora and fauna that rely on this vital resource. As a Fish and Wildlife Pond, Grass Lake serves as a valuable sanctuary for wildlife, contributing to the overall biodiversity and environmental resilience of the region.