How to use a portable camping toilet

A portable camping toilet turns a sanitation problem into a solved one, but only if you know how to set it up, use it correctly, and dispose of waste the right way.

Two main types and how they work

Most portable camping toilets fall into two categories: bucket-style toilets and flush toilets with a holding tank.

Bucket toilets are simple. A rigid bucket (often 5 gallons, like the Reliance Luggable Loo) holds a liner bag, and a snap-on seat lid provides a stable surface. There are no moving parts and nothing to flush. Odor control comes entirely from the bag and any chemical treatment you add.

Flush toilets like the Camco 5.3-Gallon Portable Toilet work more like a household toilet in miniature. A separate freshwater tank (typically 3–4 liters) feeds a manual or electric flush that rinses the bowl into a sealed holding tank below. The holding tank capacity is usually 10–20 liters. Some models use a bellows pump flush; others use a piston or electric valve. The holding tank seals between uses, which keeps odor inside.

Setting up your toilet before the first use

Good setup prevents most odor and mess problems before they start.

Using the toilet and managing odor on the trip

For bucket toilets: after each use, add a small amount of deodorizer or cover material (kitty litter, pine shavings, or a commercial enzyme powder) directly into the bag. This absorbs moisture and suppresses ammonia. Keep the lid closed between uses. When the bag is two-thirds full, tie it off and start a fresh one.

For flush toilets: use the flush after each use to move waste into the sealed holding tank. Add a small dose of deodorizer to the holding tank every 1–2 days in warm weather. Keep the holding tank valve closed except when emptying. Monitor the level indicator if your model has one; most holding tanks need emptying every 2–5 days for two people.

Never flush wet wipes, even ones labeled flushable. They do not break down in holding tanks or bag liners and create clogs or messy empties. Use toilet paper rated for RV or marine use, which dissolves faster.

The single biggest odor mistake campers make is leaving the holding tank or bag open between uses, which lets gases escape into the shelter all night.

Emptying waste the right way

This is the part that matters most for Leave No Trace and for public health.

Bag liners go in the trash only if the bags are certified as WAG (Waste Alleviation and Gelling) bags designed for solid waste disposal. Standard garbage bags are not approved for this in most jurisdictions. Check local regulations before assuming trash disposal is legal. In many parks and wilderness areas, WAG bags must be packed out to a trash facility, not left at the trailhead.

Holding tanks on flush toilets must be emptied at a designated RV dump station or a campground sewage connection. Dump stations are available at most RV parks, many state and national park campgrounds, and some rest stops. The Sanidumps.com directory and the iOverlander app both list dump stations by location.

At the dump station: open the dump port, connect or position the tank over the drain, release the valve, and let gravity do the work. Rinse the tank with fresh water two or three times, letting the rinse drain completely. Never empty a holding tank into a pit toilet, a stream, a lake, a field, or a regular trash receptacle. These are not legal disposal points and spread pathogens.

Cleaning and storing odor-free

After emptying and rinsing, do a final clean before storing the toilet.

For the holding tank: add a small amount of RV tank cleaner or diluted dish soap, fill partway with water, slosh, and drain. Leave the valve open so the tank dries completely. Moisture trapped inside grows mold fast.

For the bowl and seat: wipe down with a mild disinfectant spray or diluted white vinegar. Avoid bleach on rubber seals and gaskets, it degrades them over time. A small drop of mineral oil on rubber seals before storage keeps them pliable.

For bucket toilets: remove and dispose of the liner bag, wash the bucket interior with a diluted cleaner, rinse, and let it air dry fully before nesting the lid on top.

Store the toilet in a well-ventilated bag or its original carry bag with the lid slightly ajar so air circulates. A sealed storage bin traps humidity and odors.

Frequently asked questions

For specific picks across bucket, flush, and composting styles, see our guide to the best portable camping toilets. Browse all camp guides or read how we research and rate gear.