Lake Miltona, located in Alexandria, Minnesota, is a state-regulated body of water with a dam designed by WPA-C and completed in 1937. The dam, standing at 8 feet tall with a hydraulic height of 1.8 feet, serves a primary purpose classified as 'Other'. It has a low hazard potential and is assessed to be in fair condition as of the last inspection in June 2016. With a storage capacity of 280,224 acre-feet and a surface area of 5724 acres, Lake Miltona plays a crucial role in the local water resource management and climate regulation efforts.

The dam on Lake Miltona is situated on the Long Prairie River-TR, with a drainage area of 70 square miles. Its maximum discharge capacity reaches 975 cubic feet per second, ensuring effective flood control measures for the surrounding area. The dam's location, within the Omaha District of the US Army Corps of Engineers, highlights its strategic importance in the broader ecosystem. Despite being a man-made structure, Lake Miltona seamlessly integrates with the natural landscape, offering recreational opportunities and supporting diverse aquatic habitats.

As a key component of the water infrastructure in Douglas County, Lake Miltona exemplifies the intersection of human ingenuity and environmental stewardship. Its design, construction, and ongoing maintenance reflect a commitment to sustainable water resource management practices. With its significant storage capacity, surface area, and regulatory oversight by the Minnesota Department of Natural Resources, Lake Miltona stands as a testament to the importance of preserving and enhancing our aquatic ecosystems in the face of changing climate patterns.