There is potable and non-potable rinse water available at the center of Dumas. To access it, make a left turn to go west on Hwy. 87 (1st Street). Stay to the right and do not go over the bridge. Then, turn right into the park driveway. Continue all the way to the back of the park to the RV parking area. The dump station is located by a dumpster and the back fence of the playground.