RV Dump Station Etiquette: Do It Right

Black tank first, then gray. Wear gloves. Don't dump on the ground. That's the short version. Most dump stations are free to $20, and you'll find them at campgrounds, some travel centers, some rest areas, and municipal wastewater plants. Get the order right and you'll be in and out in five minutes without leaving a mess for the next person.

The order matters: black tank first

Your black tank (sewage) goes first, always. Then the gray tank (sink and shower water) goes second. The reason is simple: the gray water rinses out the hose and the connection point after the black tank does its business. Do it backwards and you're left with a dirty hose and a dirty connection, which is exactly the kind of thing that makes the next person at the station hate you.

If you've got two gray tanks or a gray and a "galley" tank, dump those last regardless of order between them. The black tank is the one that has to go first, every time.

Gloves are not optional

Keep a dedicated pair of rubber or nitrile gloves in your RV just for tank dumping. Don't touch your hose, the valve, or the station connection with bare hands, and don't touch your phone or truck door handle with the gloves still on. A lot of seasoned RVers keep a second pair just for handling the hose itself, separate from the gloves that touch valves and caps. It sounds excessive until the first time you don't do it.

Never dump on the ground

Dumping tank contents on the ground, in a ditch, or down a storm drain is illegal almost everywhere, not just frowned upon. It's a public health issue and it's also just the fastest way to get a campground or rest area banned for RVers as a whole. If you're ever tempted because a station line is long or a tank valve is being difficult, don't. Find another station instead, even if it means driving another twenty minutes.

Leave it cleaner than you found it

Rinse the station area with the hose provided (or your own) after you're done. Wipe down anything you touched. If there's trash or debris around the connection, take thirty seconds and clear it. Dump stations survive on the goodwill of the people using them, and a station that gets treated badly tends to get closed rather than fixed.

Don't camp on the dump station

The dump station is a stop, not a parking spot. Pull in, do your business, pull out. If there's a line forming behind you, that's doubly true: don't use the time at the station to also refill your fresh water tank, sweep out your rig, or make phone calls. Do all of that in a designated spot, not blocking the one dump connection the whole campground shares.

What it typically costs

• Campgrounds: often free for guests, sometimes a small fee (commonly $5 to $15) for non-guests passing through.
• Travel centers: some offer free dumping with fuel purchase, others charge a flat fee, commonly $10 to $20.
• Rest areas: free where available, though not every state's rest areas have a dump station.
• Municipal wastewater treatment plants: sometimes free, sometimes a modest fee, and typically the most reliable backup option if you can't find a campground or travel center nearby.

Fees vary a lot by location and by season, so treat these as typical ranges rather than guarantees.

Where to actually find one

Campgrounds are the most common and usually the easiest, especially if you're already staying there. Beyond that, check truck stop chains along your route, since many post dump station availability on their apps or websites. Rest areas are hit or miss depending on the state. If none of those pan out, a municipal wastewater treatment plant will often take RV waste for a small fee, though you'll want to call ahead since not all of them are set up for public drop-off. You can also check your state page or search near you for facilities that list RV dump service alongside their other services.

A lot of RVers keep a running list of known-good stations along their usual routes, since the same trip tends to repeat itself over a season. If you're new to a region, don't assume the nearest campground has a public station just because it has RVs parked in it. Some are guest-only with locked access, and showing up unannounced wastes a stop you were counting on.

What can go wrong if you skip the etiquette

None of this is really about manners for their own sake. A station with a clogged connection, a puddle of standing waste, or a busted valve because someone forced it usually gets shut down rather than repaired, and then everyone downstream loses access to it. Treat every dump station like it's the only one within a hundred miles, because for some routes, it basically is.

Before you go

Call ahead if you're relying on a specific station, especially at a treatment plant or rest area, since availability and hours change more often than people expect. Bring your own gloves and hose even if the station provides one. Some municipal sites are limited to local residents or require a small cash fee, so keep a few dollars on hand just in case the card reader is down.