You can register for a Flying J card for free. By doing so, you will receive a $5.00 discount on a $10.00 fee. After paying the $5.00 fee, you will receive a 4-digit code number. This code number needs to be entered in order to open the lid to the sewage drain at the RV dump station. The RV dump station is located at I-10 Exit 31. Additionally, there is RV overnight parking available at this location. You can also find rinse water, which is non-potable, at this RV dump station.