- Nielson RV in St. George offers a convenient dump station for travelers passing through Beaver Dam, Arizona.- Another option is the St. George/Hurricane KOA, which provides dumping facilities along with fresh water and a hose for flushing tanks.- If you're looking to explore the stunning Valley of Fire State Park, the Atlatl Rock Campground within the park has dump stations available for black water and gray water disposal.- Remember to properly dispose of your RV waste at designated locations like these to help keep Beaver Dam and its surrounding areas clean and enjoyable for all.