Portable toilet

A movable toilet designed for use where permanent plumbing is unavailable or impractical. It collects or treats waste locally until it can be emptied or safely dispersed.

Chemical toilet: A toilet that uses chemical solutions to control odor and break down waste in a holding tank. Many event and construction-site units use chemicals in a sealed waste tank.
Construction site: A place where buildings or infrastructure are being built, altered, or demolished. Construction sites often lack finished plumbing while workers need nearby facilities.
Privy: A small outdoor structure containing a non-flushing toilet over a pit or waste receptacle. The privy is a longstanding predecessor to modern movable toilets.
Fecal–oral route: A pathway of disease transmission in which pathogens from feces enter another person’s mouth. Poorly managed portable-toilet waste can expose people to pathogens through this route.
Cassette toilet: A toilet with a removable waste tank that can be emptied separately from the fixture. Its detachable tank makes waste removal possible without moving the whole toilet.
Outdoor event: An organized gathering held partly or wholly in an open-air setting. Temporary crowds create demand that permanent restroom capacity cannot always meet.
Cesspit: A covered underground pit or tank used to collect household sewage and waste. Early temporary toilets often relied on containment methods related to cesspits.
Wastewater treatment: Processes that remove contaminants from wastewater before discharge or reuse. Collected waste must reach suitable treatment or disposal systems to limit environmental harm.
Composting toilet: A toilet that processes human waste through controlled biological decomposition, usually with little or no water. Some portable models stabilize waste biologically instead of storing it as liquid sludge.
Recreational vehicle: A motor vehicle or trailer equipped for travel and temporary living. Many recreational vehicles use compact toilets with onboard waste tanks.

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