The Welcome Center closes at 5:00 PM. The restrooms close at 11:00 PM. However, the dump station is open 24 hours a day. There is rinse water available at the dump station. There is also fresh water near the sidewalk at the truck parking area. The dump station is locked, so you must deposit your driver's license at the desk to unlock and use it. The dump station provides both potable and non-potable rinse water. The location of the RV dump station is at I-185 Milemarker 12, Williams Road Exit.