Nevada is a vast state, and there aren't a lot of big cities there. Only a handful of major federal and state highways traverse the state, and much of the territory is untamed desert. However, fortunately for you as an RVer, there are quite a few RV dump stations in Nevada, and many of them are outright free if you're a registered guest at their establishment or free if you make a purchase in their store. Nevada dump stations are not just concentrated in one part of the state; they can be found throughout Nevada located close to highways.
Everyone knows about the casinos in Vegas, but not many know that there is a good selection of RV dump sites within Las Vegas city limits, which makes it easy for you to do a lot of city errands while emptying your tanks. You can find a variety of them in the areas surrounding the city as well. Most charge user fees unless you're a registered guest at their campground or RV park.
Reno is just off of the border with California and has major highways coursing through its borders, such as Interstates 80 and 580 and Highway 395. The majority of the dump stations in the area are located in and around Reno, in and around Carson City to the south and in Fernley to the northeast.
Winnemucca is conveniently situated at the junction of US Highway 95 and Interstate 80. The free dump stations around Winnemucca are located at rest stops, and you can find more Nevada motorhome dump stations in some RV parks and campgrounds in and near the town.
Wells is a small town in northern Nevada that's relatively close to the border with both Utah and Idaho and is located at the junction of US Highway 93 and Interstate 80. The Nevada RV dump stations in and around Wells are found within private RV parks and sat large gas station pit stops.
Although much of Nevada is inaccessible, the parts that you can reach have a variety of waste dump stations. If you're looking for free RV dump stations in Nevada, then you'll find them primarily in rest stops. Many RV parks and campgrounds offer their dump stations for free to registered guests, and gas stations and stores will discount your fee if you make a purchase in their establishment.