When you're in De Witt, MI, and in need of a convenient place to dump your black water and gray water tanks, there are several options available. You can head to the Portland City Dump Station or the Maple River Campground for easy waste disposal. Another option is the Carson City Public Works Department, which provides a dumping facility for RVs. If you're looking for a campground with dump station amenities, check out Leisure Lake Family Campground. Remember to bring your own hose for flushing tanks and dispose of any additional RV trash in the designated RV waste disposal bins.