Found this in google search. You can dump ($20). Get propane, fuel. Snacks, drinks, Gas and Diesel.
23891 Bridger Rd, Lake Forest, CA 92630
Dump Stations
Savannah
Skidaway Island State Park
52 Diamond Cswy
Savannah, Georgia
912.598.2300
Warren
EASTSIDE RV
$10+ to dump
$5+ fresh water fill
Propane fill station
https://www.eastsiderv.com/
26288 Groesbeck Hwy. Warren, MI 48089. Phone: 586-771-1480.
Meade
Free dump site with rinse water. Also has potable water. https://www.cityofmeade.org/parks-and-recreation/pages/Meade-city-park. 37.28369, -100.32672
Kinston
Neuseway Nature Center and Campground
401 W Caswell St, Kinston, NC 28504
$2 fee cash or check. No credit cards.
https://www.ci.kinston.nc.us/462/Visit-Contact-Us
Babcock, Wisconsin
Crane Berry Campground located in Babcock, WI has a public dump station for a fee of $20.
Brookings
Free dump station at Harris Beach State Park Rest Area (across the highway from park entrance), 2 miles north of Brookings (milepost 355.7), U.S. Highway 101
Yuma
Sidewinder Chevron has a dump with rinse water for $10. No fresh water on site. There’s a rest stop in center median a few miles west with free fresh water.
Evanston
Located at Bear River State Park Visitor Center. South side of Exit 6 of I-80. 601 Bear River Dr., Evanston, WY. Two dump stations available seasonally (generally April – late Oct) with potable water. Donations accepted at this time but will be a charge in the future.
Hurricane
Sinclair Gas Station at the corner of Hwy 9 and Rington Parkway. This location doesn’t even show on Google Maps yet, but it’s on the southwest side of the intersection. Has a free RV dump and fresh water fill.