You'll find multiple options for dumping black and gray water tanks around Windom, Minnesota. Seven Mile County Park offers a waste disposal site, as well as access to fresh water and a hose for flushing tanks. At Camden State Park, you can dump your waste and also dispose of trash in the designated bins. Prairie's Edge Casino Resort provides an outdoor dump station with easy access for large RVs. If you're looking for another option, Koser Spring Lake Park has a convenient dump station that is available year-round.