How many portable toilets will I need?

While selecting the right number of temporary restroom units is not an exact science, our Usage Calculator can be used as a guide for the number of portable toilets needed for the number of people in attendance and duration of your event among other factors.

Also, keep in mind that other factors will affect the need for portable toilets such as:

Will food or alcohol be served? Events where food and alcohol are served necessitate the need for added restroom facilities. Also important is the need for facilities that include hand washing capabilities.

Are permanent toilet facilities available and easily accessible? Consider the adequacy and accessibility of any available permanent toilet facilities. If the event is large and being held in an outdoor venue, restrooms should be clearly marked, easy to get to and use, as well as in adequate numbers for the amount of guests. If the event is held at a residence, consider the amount of traffic through the home to use the permanent facilities.

Are the permanent toilet facilities served by a septic system? Increased usage puts a strain on any septic system. To prevent a septic emergency, added temporary toilet facilities are recommended.

Will there be guests with special needs or young children in attendance? Guests with special needs may require a more accessible restroom facility. Also, parents with young children may need a larger area within the restroom for easier navigation.

For more information, be sure to check out the Mr. John Usage Calculator and make preparing for your next event a breeze.

Editor’s Note: This post was originally published in January 2015 and has been updated for accuracy and comprehensiveness.