Prairie Lake in Pelican Rapids, Minnesota, is a state-regulated reservoir with a low hazard potential and fair condition assessment. Built in 1936 by WPA-C, this gravity dam stands at 12 feet tall and spans 49 feet in length, serving as a vital structure on the Pelican River. With a storage capacity of 16,400 acre-feet and a normal storage level of 10,250 acre-feet, Prairie Lake covers a surface area of 1,025 acres and drains a 340-acre watershed.

The dam's primary purpose is listed as "Other," with a spillway type of "Uncontrolled" and a maximum discharge capacity of 1,840 cubic feet per second. The surrounding area, located in Otter Tail County, Minnesota, is home to diverse wildlife and offers recreational opportunities for water enthusiasts. Despite its age, Prairie Lake Dam continues to be inspected and regulated by the Minnesota Department of Natural Resources, ensuring its safety and functionality for the surrounding community and ecosystem.

Maintaining a moderate risk assessment level, Prairie Lake Dam remains a crucial component of the local water resource management system. With a dedicated ownership by the state and consistent inspection and enforcement protocols in place, this historic structure plays a key role in flood control, water storage, and habitat preservation along the Pelican River. For water resource and climate enthusiasts, Prairie Lake is a fascinating example of sustainable infrastructure within the dynamic natural landscape of Minnesota.