Log in Sign up
Back to Discover
💻

Portable toilet

technology Maturity 11-13

A portable toilet can move.

Porta Potty by David Shankbone.jpg
Porta Potty by David Shankbone.jpg
It does not need pipes. You can take it camping. It helps when there are no bathrooms. It is a very handy tool.
Chemtoi1.jpg
Chemtoi1.jpg
Have you seen one at a fair?

37 words

A portable toilet can move.

Porta Potty by David Shankbone.jpg
Porta Potty by David Shankbone.jpg
You can carry it or use a truck. It does not need pipes in the ground.
Chemtoi1.jpg
Chemtoi1.jpg
Many use chemicals to stop bad smells. These toilets are used at festivals and for camping. Some people even use them on boats. You might see one at a building site. They can be small plastic rooms. Some are just a seat with a tank. They help when there are no bathrooms nearby.
Commode, Europe, 1831-1900 Wellcome L0057869.jpg
Commode, Europe, 1831-1900 Wellcome L0057869.jpg
They are very useful tools.

86 words

A portable toilet is a toilet that can move.

Porta Potty by David Shankbone.jpg
Porta Potty by David Shankbone.jpg
Some people can carry them. Others move them with a truck and a crane. These toilets do not need pipes in the ground. They do not need a city sewage system.
Chemtoi1.jpg
Chemtoi1.jpg
They are used in many places. You might see them at music festivals or camping trips. They are also used on boats and at building sites.

Many of these are chemical toilets. They have a tank to hold waste. They use chemicals to stop bad smells. Some chemicals hide the smell. Other chemicals use biocides. Biocides are things that stop bacteria from growing. This helps keep the air fresh.

Collu merkez (34).jpg
Collu merkez (34).jpg

There are other kinds too. Some use a gel to hold liquid in a bag. These are called WAG bags. Other types use a dry way to work. They might use a compost pile to treat waste. Some people use a commode chair. This is a chair with a small pot. It helps people who cannot move well.

Commode, Europe, 1831-1900 Wellcome L0057869.jpg
Commode, Europe, 1831-1900 Wellcome L0057869.jpg

177 words

A portable toilet is a toilet that can be moved.

Porta Potty by David Shankbone.jpg
Porta Potty by David Shankbone.jpg
Some people can carry them by hand. Other types need a truck and a crane to move. These toilets are special because they are self-contained. This means they do not need pipes in the ground. They do not need a city sewage system or a septic tank.
Chemtoi1.jpg
Chemtoi1.jpg
People use them in many different places. You might find them at music festivals or while camping. They are also used on boats and at construction sites. They help people when there are no other bathroom facilities nearby.

Many portable toilets work using chemicals.

Collu merkez (34).jpg
Collu merkez (34).jpg
These are often called chemical toilets. They collect waste in a holding tank. The tank uses chemicals to keep smells away. Some chemicals work by masking the odor. Other chemicals contain biocides. Biocides are substances that stop bacteria from growing. This helps keep the smell at a minimum. There are also WAG bags used in the wilderness. These use a gel to hold liquid and solid waste in a bag.
Vickers Wellington - Royal Air Force Bomber Command, 1939-1941. CH478.jpg
Vickers Wellington - Royal Air Force Bomber Command, 1939-1941. CH478.jpg

People have used portable toilets for a long time. One early version was the close stool. This was built as a piece of furniture. You can still see these in museums today. For example, a velvet close stool used by William III is at Hampton Court Palace. During World War II, some planes used a type called an Elsan chemical closet. The Bomber Command Museum of Canada says these were not popular with the crews. In the United States, some travelers carried portable toilets in their cars. This happened before the Civil Rights Act of 1964 when public toilets were segregated.

Commode, Europe, 1831-1900 Wellcome L0057869.jpg
Commode, Europe, 1831-1900 Wellcome L0057869.jpg

There are many specific types of these tools. Some are urine-diversion dehydration toilets, or UDDTs. These are often made of plastic or plywood. They are dry toilets that do not use much water. Some people use a collection agency to take the waste away. Others use a compost pile to treat it.

A SOIL EkoLakay toilet customer. (15921409131).jpg
A SOIL EkoLakay toilet customer. (15921409131).jpg
Another type is a commode chair. This is a chair with a chamber pot underneath. It is used by people who have a hard job moving around. It can be placed right next to a bed.

Portable toilets connect to many parts of our lives. Grand Canyon guides have used ammunition boxes as toilets since 1974. They use these for rafting trips on the Colorado River. This is recorded by the Museum of Northern Arizona in Flagstaff, Arizona. You might also hear old slang terms for them. One old term is a "thunder-box." This was used a lot in British India. Another funny name is "The Johnny on the Spot." This name means the toilet is always there when you need it.

Chemtoi1.jpg
Chemtoi1.jpg

473 words

A portable toilet is any type of restroom that can be moved from place to place.

Porta Potty by David Shankbone.jpg
Porta Potty by David Shankbone.jpg
Some units are small enough for one person to carry. Larger models may require mechanical equipment, such as a truck and a crane, to move them. These devices are useful because they are self-contained. This means they do not require any pre-existing infrastructure. They do not need a connection to a sewage system or a septic tank.
Chemtoi1.jpg
Chemtoi1.jpg
Because of this independence, they are used in many different settings. You might find them at music festivals, construction sites, or film locations. They are also essential for camping, boating, and use in urban slums in developing countries.

Most portable toilets function as chemical toilets. This is the most well-known type of mobile restroom. These units collect human waste in a holding tank. To manage the environment inside the tank, they use specific chemicals. Some chemicals work by masking the odor of the waste. Other chemicals contain biocides, which are substances that stop odor-causing bacteria from multiplying. By hindering these bacteria, the chemicals keep smells to a minimum.

Collu merkez (34).jpg
Collu merkez (34).jpg
This method is common in enclosed plastic or fiberglass rooms used at large outdoor gatherings.

There are many specialized versions of portable toilets designed for specific needs. One type is the urine-diversion dehydration toilet, or UDDT. These are self-contained dry toilets often made of molded plastic or plywood. They separate urine from solid waste. Users often rely on a collection agency or a post-treatment process to reduce pathogens. This treatment might involve long-term storage or adding waste to a compost pile.

A SOIL EkoLakay toilet customer. (15921409131).jpg
A SOIL EkoLakay toilet customer. (15921409131).jpg
Another type is the WAG bag, which stands for Waste Aggregation and Gelling. These bags use a gel to immobilize liquid waste and surround solid waste in a plastic bag. They are used by the US Army and in wilderness areas.

Other designs serve very specific environments or people. On planes and trains, you might find either chemical toilets or vacuum toilets. For travelers in camper vans or caravans, portable camping toilets are common. These have a seat and a small waste tank. Small boats that lack built-in marine toilets can also use them. For people with limited mobility, a commode chair is a helpful tool. This is a chair that encloses a chamber pot. It is often placed next to a bed to help someone move around more easily.

Portable toilets have a long and varied history. One of the earliest forms was the close stool. These were built as pieces of furniture. You can still see them in museums, such as the velvet upholstered stool used by William III at Hampton Court Palace.

Commode, Europe, 1831-1900 Wellcome L0057869.jpg
Commode, Europe, 1831-1900 Wellcome L0057869.jpg
During World War II, bomber aircraft used a type called the Elsan chemical closet. However, the Bomber Command Museum of Canada notes that these were not popular with the flying or ground crews.
Vickers Wellington - Royal Air Force Bomber Command, 1939-1941. CH478.jpg
Vickers Wellington - Royal Air Force Bomber Command, 1939-1941. CH478.jpg
In the United States, some travelers carried portable toilets in their cars during the era of Jim Crow laws. This was because many public facilities were segregated by race before the Civil Rights Act of 1964.

Different cultures and groups have even created their own unique ways to use these tools. Since 1974, guides rafting on the Colorado River in the Grand Canyon have used ammunition boxes as portable toilets. These boxes typically feature a removable toilet seat. This practice is documented by the Museum of Northern Arizona. People have also used many slang terms for these devices. In the past, a "thunder-box" was a common term, especially in British India. Another phrase is "The Johnny on the Spot," which describes a toilet that is always conveniently available.

Today, portable sanitation is a broad field that connects to many different systems. Container-based sanitation is a system where full containers are regularly replaced with empty ones. This ensures that waste is collected and disposed of properly. From large-scale festival setups to small camping gear, these tools solve the problem of hygiene when permanent plumbing is unavailable. They allow humans to live, travel, and work in many different environments across the globe.

696 words
🖼️ Images & Media (6)
File:A SOIL EkoLakay toilet customer. (15921409131).jpg
A SOIL EkoLakay toilet customer. (15921409131).jpg
File:Porta_Potty_by_David_Shankbone.jpg
Porta_Potty_by_David_Shankbone.jpg
File:Chemtoi1.jpg
Chemtoi1.jpg
File:Collu merkez (34).jpg
Collu merkez (34).jpg
File:Vickers Wellington - Royal Air Force Bomber Command, 1939-1941. CH478.jpg
Vickers Wellington - Royal Air Force...
File:Commode, Europe, 1831-1900 Wellcome L0057869.jpg
Commode, Europe, 1831-1900 Wellcome L0057869.jpg
Up Next
💻
Toilet
Technology
More to explore

🔬 Go deeper

More advanced topics to explore

🪜 Step back

Simpler topics to build understanding

What is Nepedia?

A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.