Crissy Lake, also known as Pomme De Terre River, is a state-regulated water resource located in Appleton, Minnesota. Constructed in 1939 by the Works Progress Administration - Civil Works (WPA-CW), this gravity dam serves primarily for recreational purposes. With a structural height of 12 feet and a dam length of 142 feet, Crissy Lake has a storage capacity of 1521 acre-feet, making it a significant water feature in the area.

The dam has a satisfactory condition assessment as of September 2013 and is inspected every four years for maintenance and safety purposes. With a hazard potential classified as significant, the dam poses a risk that is closely monitored. The surrounding area of Crissy Lake spans 56 acres and drains a watershed area of 461 acres, with a maximum discharge capacity of 4450 cubic feet per second. The dam's location in Stevens County, Minnesota, adds to its appeal for water resource and climate enthusiasts interested in exploring the diverse ecosystems supported by the Pomme De Terre River.

Overall, Crissy Lake stands as a testament to the intersection of human engineering and natural beauty, providing a recreational haven in the midst of Minnesota's landscape. Its historical significance, combined with its functional role in water management, makes it a valuable asset for both the local community and visitors alike. As climate change continues to impact water resources, maintaining the integrity and safety of structures like Crissy Lake will be essential for sustainable water management practices in the region.