Nestled in the heart of Cass, Minnesota, Thunder Lake is a captivating water resource that offers a plethora of recreational opportunities for enthusiasts of all ages. This concrete dam, completed in 1934, stands at a height of 18 feet and boasts a normal storage capacity of 7750 acre-feet, providing ample space for water-based activities such as fishing, boating, and swimming. With a surface area of 1347 acres and a drainage area of 16.8 square miles, Thunder Lake is a picturesque destination for those seeking to immerse themselves in the beauty of Minnesota's natural landscape.

Managed by the Minnesota Department of Natural Resources, Thunder Lake is regulated, inspected, and enforced to ensure the safety and sustainability of its water resources. The dam's hazard potential is considered low, with a satisfactory condition assessment as of April 2015. While the dam's primary purpose is recreation, it also serves as a vital component of the local ecosystem, providing habitat for a variety of wildlife and contributing to the overall health of the Willow River-TR watershed. Visitors to Thunder Lake can enjoy its tranquil waters, scenic surroundings, and abundant recreational opportunities while appreciating the importance of responsible water resource management in the face of climate change.

As climate change continues to impact water resources and ecosystems worldwide, Thunder Lake stands as a testament to the importance of sustainable water management practices. With its state-regulated status, satisfactory condition assessment, and low hazard potential, Thunder Lake serves as a model for other recreational water bodies in Minnesota and beyond. Whether you're a climate enthusiast, water resource advocate, or simply a nature lover looking for a serene escape, Thunder Lake offers a unique opportunity to appreciate the beauty and resilience of our natural world in the face of environmental challenges.