- In Rancho Alegre, Texas, you'll find a couple of convenient options for dumping your RV waste.- Braunig Lake RV Resort offers a dump station where you can empty your black water and gray water tanks. They also provide fresh water and a hose for flushing tanks.- Another option is the Military Park - Brooks AFB FamCamp, which has a dump station available for use.- If you're traveling northbound, you can stop at the Rest Area - Medina County Northbound to dispose of your RV waste. Some locations listed in this article are the nearest of their kind to the starting point, and the actual drivable distance could exceed 200 miles.