Round Grove Lake in McLeod County, Minnesota is a gravity dam completed in 1921 with a height of 10 feet and a storage capacity of 2552 acre-feet. The lake primarily serves as a local government-owned water resource for the residents of Arlington with a surface area of 307 acres and a drainage area of 2.74 square miles. The dam is regulated by the Minnesota Department of Natural Resources and is inspected regularly to ensure its fair condition and low hazard potential.

Located along Judicial Ditch 22, Round Grove Lake plays a crucial role in water management and conservation efforts in the region. With a normal storage capacity of 1595 acre-feet, the lake helps mitigate flood risks and provides recreational opportunities for the community. Despite being a small water body, Round Grove Lake contributes to the overall ecosystem health and acts as a vital resource for climate enthusiasts interested in sustainable water management practices.

As a historic dam with a rich legacy dating back to the early 20th century, Round Grove Lake showcases the importance of maintaining and regulating water resources for future generations. With its fair condition and low hazard potential, the lake stands as a testament to responsible water infrastructure management in McLeod County. For water resource and climate enthusiasts, Round Grove Lake serves as a valuable example of how local governments can effectively steward vital water sources for both practical and environmental purposes.