Porta John Science: How do Porta Potties Work?

Porta johns. Porta potties. The portable toilet. No matter what you call them, these standalone restrooms are always there for us when we need them most. But where exactly does all of that waste go? And how do porta potties actually work? We’re here to give you the explanation you’ve been waiting for. The process… Read more »


Do You Need a Permit for a Porta Potty?

If you’re planning to host an event and know you will need to provide restroom facilities, you may be wondering about the details and requirements to do so. Keep reading to learn what they are. When is a Special Events Permit Necessary? Many localities require you to apply for a special events permit when planning… Read more »


How Much Does it Really Cost to Rent a Porta Potty?

Factors that Determine Porta Potty Rental Costs Porta potties aren’t just for construction zones. They can be utilized during large scale events such as concerts and weddings, or other events like TV shoots, long camping trips and more. There are many factors that determine the pricing structure for renting portable restrooms—which can include location, availability,… Read more »


How to Empty a Portable Toilet

If you’ve ever used a porta potty, you may have wondered if and when a toilet of its size is ever emptied. The answer, of course, is yes. In sanitation worker terms, it’s called “servicing.” Servicing involves emptying the toilet of waste and also several other steps to restore the restroom to clean conditions. Porta… Read more »


How Many Toilets Do You Need Per Person?

So you’re thinking about placing an order for porta johns, but you have some questions. More likely than not, one of those questions is how many? If you’re hosting an event, the general rule of thumb is to provide at least one restroom per every 50 people. The larger the crowd, the more this number… Read more »


What You Should Know About Modern Portable Toilets

At Mr. John, we’re proud to offer so much more than the standard porta potty. Believe it or not, there are all sorts of varieties and sizes to choose from. For instance, The Flush Plus, which includes a hands-free pumping flush and a self-contained fresh water sink. Other upgrades within this model include a mirror,… Read more »


Introducing the Sani Stand!

In addition to our Freshwater Sink, we are now excited to offer another free standing hand cleansing option, our NEW Sani Stand!   Our Sani Stand takes seconds to setup, is easy to relocate and has a heavy duty base that helps prevent tipping. Each mobile sanitizer station includes two hand sanitizer dispensers, and is delivered filled with hand… Read more »


Removing The Stereotype

Sporting events, construction sites, oil & gas sites and festivals. These are all locations one would expect to see portable restrooms. And this is why we want to step in to set things straight!    Us at Mr. John & Tri-Boro Trailer want you to rethink your definition of portable sanitation for upscale events and… Read more »