California

Found this in google search. You can dump ($20). Get propane, fuel. Snacks, drinks, Gas and Diesel.

23891 Bridger Rd, Lake Forest, CA 92630

Sidewinder Chevron has a dump with rinse water for $20. No fresh water on site. There’s a rest stop in center median a few miles west with free fresh water.

Sans End RV Park
2209 W Winterhaven Drive
Winterhaven, CA 92283
For non-guest: RV Dump $15 / Water Fill $15 – AS OF FEB. 22, 2023

No propane.

Pilot travel center in Weed CA. has a dump station. Water is not marked as potable.
Interstate 5 exit 745.

Phillip S Raine Rest Area, southbound SR-99, south of Tulare. Free.

Last updated: 7/10/2018

Yucaipa Regional Park, 33900 Oak Glen Rd, Yucaipa CA 92399 / 909-790-3127. $10 or less.

Last updated: 4/14/2009

Public dump station across from True Hardware off SR-139 at Modoc Ave and D St. Free.

Last updated: 1/21/2014

Black Rock Campground in Joshua Tree National Park. From SR-62 in town, follow Joshua Ln to its end and turn right for one block and then south to campground. Donation requested.

Last updated: 9/21/2004

Madruga Alves Car Wash, 200 E Glenwood Ave, Turlock CA 95380 / 209-667-5491. $10 or less.

Last updated: 12/1/2015

Desert Sky Motel, 55492 Twentynine Palms Hwy, Yucca Valley CA 92284 / 760-365-2886. $20 or less.

Last updated: 6/6/2006