Portable Toilets, Hurricanes and Flooding in Houston

What did Harvey and Beryl show about Houston storms?

Harvey in 2017 dropped a record 49.32 inches at one gauge southeast of Houston and more than 24 inches in 24 hours in the city. Beryl in July 2024 brought gusts over 70 to 80 mph, more than 10 inches of rain and a power loss for over 2.2 million CenterPoint customers.

The two storms were different kinds of events, and planning for portable toilets differs for each. Harvey was a water event. It sat over the region, rainfall measured in feet, rescues in the thousands, and neighbourhoods that stayed flooded for days. The recovery that followed was slow and spread across many months.

Beryl was a wind and power event. It made landfall near Matagorda on July 8, 2024, and the metro saw gusts over 70 to 80 mph and more than 10 inches of rain. More than 2.2 million CenterPoint customers lost electricity, in the middle of Houston's hottest season, which put pressure on anyone running a site that depended on power.

Planners who read these facts should not conclude that any storm repeats the last one. They should conclude that Houston gets both: water that stays and wind that takes the power. Restrooms for a recovery site, a shelter-in-place cluster or a damaged commercial property are needed in both cases, and for different lengths of time.

What should you do with portable toilets before a storm?

Call the provider that serves your site and ask what they recommend and what they will do ahead of high water or wind. Do not tip, drag, empty or tie down units yourself. A unit on a low spot or beside a bayou is the one to ask about first.

A rented unit is the provider's equipment, and it is full of material that nobody on your team should handle. The safest instruction for a site manager or event organiser is also the simplest: ask the provider, and then follow what they say. If a storm is approaching, they may want to schedule a visit, change a placement, or bring units in. Whether and when they can do that depends on their own schedule and the weather, and a provider cannot promise it for any given site.

What you can do is know your site. Mark which units sit in low ground, near a bayou or a drainage ditch, or under trees and signage that could come loose. Tell the provider exactly where each unit is, so the conversation is about real places and not a vague description.

For a construction or industrial job, build the storm call into your site plan before the season starts. A written note of who calls whom, with the provider's contact beside it, is worth much more at 9 pm the night before landfall than a search for a number.

• Know the exact location of every unit and which ones sit in low or flood-prone ground.
• Ask the provider what they do with units ahead of a forecast storm and when they need to hear from you.
• Keep the provider's contact information with your storm checklist, not only in one phone.
• Tell the provider if the site will be closed, so units are not left to fill with no servicing planned.
• Do not tip, drag, open or empty a unit yourself.

Why is Meyerland a case study in flood recovery?

Meyerland flooded in the Memorial Day 2015 storm, damaging about 730 homes, again in the April 2016 Tax Day flood, and again in Harvey in 2017. Harris County Flood Control widened Brays Bayou to carry about 30 percent more water. Gut-and-rebuild and elevation work meant crews on site for weeks.

Meyerland, split by Brays Bayou in the 77096 ZIP, shows what repeated flooding does to a neighbourhood. Residents gutted homes, rebuilt them, and in some cases did it again after the next storm. Every one of those rebuilds is a job site, and a job site needs toilets for the crew.

Gut-and-rebuild and elevation work does not end in a day. Crews are on the property for weeks, and the facilities need to be there for the length of the job and serviced regularly. That is why a recovery site is closer to a construction rental than to an event. The page on flood and hurricane recovery restrooms describes how that rental is normally arranged, and the guide on long-term and weekly rental terms helps you pick a term.

Alief offers a different local lesson. Its history begins as a flood-prone prairie called Dairy at the headwaters of Brays Bayou, and the area has been wrestling with water ever since. Neighbourhoods across the city share the same basic need after water recedes: somewhere to wash hands and use a toilet while the work goes on.

Who needs rented restrooms after a Houston storm?

Contractors gutting and rebuilding flooded homes, crews restoring power and utilities, and neighbourhood relief sites all need restrooms. So do business owners clearing flooded stores and property managers with damaged buildings. Demand is highest right after a storm, so availability from any provider is limited and cannot be promised.

The common thread is that normal facilities are out of order. When water has been in a house, or the power is off for days, ordinary plumbing and a clean bathroom are not available to the people working there. A rented unit and a handwash station become the temporary replacement.

A recovery rental has a different shape from an event rental. It has no fixed end date, the number of workers changes as the job moves, and the site may be hard to reach. Ask the provider about access, particularly if streets are still wet, and about how often a unit can realistically be serviced.

The table shows how the needs shift across different post-storm sites.

How is Winter Storm Uri different from a hurricane?

Uri in February 2021 was a freeze, not a flood. Temperatures stayed at or below 20 F nearly everywhere, 1.4 million Houston homes lost electricity, and the cold lasted about a week. Winter planning for portable toilets is a separate conversation with your provider, about cold weather and servicing.

Houston's flood and hurricane risk gets the attention, but Uri was a reminder that the region can freeze. For most of a week, below-freezing weather affected the whole area, and a city that builds for heat found itself without it. A job site or event in the winter months should not assume that the summer plan still works.

Cold changes how a rented restroom behaves, and a provider is the right person to describe what their own units do in freezing weather. Ask before the season starts, not during a hard freeze. As with storms, the answer may depend on what the provider has free.

One point worth repeating: Uri and the hurricanes are separate events with separate causes. Plan for each as its own problem.

How does hurricane season overlap with Houston's event and building calendar?

Hurricane season runs through the same summer months as Pride Houston in June, Freedom Over Texas on July 4 and the long stretch of heat advisories. Harvey arrived in August and Beryl in July. Organisers and site managers should treat a storm as a normal planning scenario and talk to their provider about it early.

Houston's calendar is busy in summer. Pride Houston is in June, Freedom Over Texas draws about 50,000 people to Eleanor Tinsley Park on July 4, and the heat advisories run from June to September. Harvey came in August and Beryl in July, so the busiest event months and the highest storm risk overlap.

That does not mean cancelling plans. It means agreeing with your provider, in advance, what happens if a forecast turns bad. Will the units stay, be collected, or be serviced early? Who decides? How is a rescheduled date handled? Nobody can answer these on the day, so ask in the planning stage, and read the guide on keeping units usable in summer heat for the companion problem.

Construction sites face the same calendar. A long build that spans June to October will probably see at least one forecast scare, and a short note in the site plan, naming who calls the provider, saves time. Park and fireworks event restrooms shows how an outdoor event order is usually framed.

What should a recovery-site rental order include?

Specify the number of crew, the expected length of the job, the exact address or access point, and whether you need handwashing. Ask how the unit will be serviced and how often, who to call if something fails, and what happens if flooding returns. Confirm availability before you count on a start date.

The most useful thing you can bring to a call is a clear picture of the job. A provider that hears 'flooded house, four people, roughly three weeks, gravel driveway' can suggest something concrete. One that hears 'we need toilets' has to ask.

Check that the unit will sit on ground that will not flood again in the next rain. Tell the provider about overhead power lines and trees, and let them decide the exact placement. If you have a choice between a spot near the work and a spot near the street, the provider's truck needs to reach it.

When the job is done, tell the provider promptly. Units that sit unused are still equipment on a site, and a quick call lets the provider plan their collection.