You'll find multiple options for dumping black and gray water in Spring Valley, Illinois. Pilot Flying J, Shell Gas Station in Wenona, TA-Petro Rochelle Stopping Center, and Carl Spindler Marina and Campground all offer dump stations that include fresh water, a hose for flushing tanks and trash bins to dispose of waste.The Pilot Flying J offers easy access to gas stations and fast-food restaurants. The Shell Gas Station in Wenona has a self-service dump station available 24/7 with easy access for larger RVs. TA-Petro Rochelle Stopping Center is open 24/7 and offers additional amenities such as showers, laundry facilities, and a restaurant. The Carl Spindler Marina and Campground includes a dump station with access to beautiful views of the Illinois River.