If you're in De Soto, Illinois, and need to dump your RV tanks, there are a few convenient options available.Love's Travel Stop has a dump station where you can dispose of black water and gray water from your RV rental. They also have fresh water available for filling your tanks and a hose for flushing them out.Archway RV Park is another nearby option with a dump station for your convenience.TA-Petro Stopping Center of Mt. Vernon also offers a dump station for RV waste disposal.For those looking to enjoy nature while taking care of their dumping needs, Fort Kaskaskia State Park has a dump station as well.