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Mobile shower trailer at remote work camp at dusk
Deployable

Mobile Shower Trailers for Disaster Relief, Remote Camps, and Festivals

Multi-stall mobile shower trailers with hot water, private changing, and high-capacity tanks for disaster relief and remote camps.

From $1500 / per week

4.9 (3,000+ customers)
Same-Day Delivery Available
ADA Compliant Inventory
100+ Regional Locations

Last Updated:

Multi-stall shower trailer deployed at disaster staging area

Have you ever tried managing a remote job site or a multi-day festival without proper washing facilities?

Things can get messy and uncomfortable very fast. Our team knows the struggle of keeping people clean in tough, off-grid conditions. A shower trailer rental steps in exactly when permanent plumbing is miles away.

We deploy these units to disaster relief staging areas, remote pipeline work camps, and outdoor music festivals. The basics inside remain consistent and reliable across the entire fleet.

Our trailers feature the essential comforts of home:

  • Consistent hot water heaters.
  • Private changing areas with seating.
  • Built-in soap and towel dispensers.
  • Secure slip-resistant flooring.

They scale easily from compact 4-stall units up to large 12-stall setups with separate sides for men and women. We are going to walk you through the exact steps to choose the right configuration. Let’s look at everything you need to know.

Deployment scenarios

We ship trailers for four primary situations on a regular basis. The sizing and setup depend entirely on your unique daily crowd.

Our logistics experts handle the delivery details for each of these core use cases. You will see these units deployed in several key environments.

Emergency and Disaster Relief

During recent 2025 and 2026 hurricane responses, these units proved essential for recovery workers. Our disaster contracts ensure trailers ship the very same day. FEMA guidelines frequently require rapid deployment to these specific sites:

  • Regional staging areas.
  • Wildfire base camps.
  • Temporary housing communities.

Remote Work Camps

OSHA standard 29 CFR 1926.51 strictly mandates proper washing and sanitation access for construction teams. Our units keep your oil, gas, and mining crews compliant and comfortable. These long-haul infrastructure builds often require multi-month rentals in places with zero permanent facilities.

Multi-Day Festivals and Events

Music festivals and regional fairs need high-volume sanitation solutions. Our 12-stall units handle massive crowds during events that run longer than 24 hours. Attendees absolutely love having reliable shower access between days.

Military and First-Responder Training

Field training operations require incredibly durable hardware. Our fleet supports regional exercises and multi-week deployments at improvised bases.

For each scenario, the main question is how many people will use the trailer per day. We also need to know how concentrated the demand will be. The length of the deployment determines the final maintenance schedule.

Hookups and water supply

Our fleet offers three main ways to power and supply your unit. These configurations cover almost every single location requirement.

  1. Grid hookup. The site has standard 110v electrical and freshwater hose access. The trailer plugs in and is ready to go. This is the most common setup at festivals where infrastructure already exists.
  2. Onboard generator plus grid water. The site has freshwater but absolutely no power. The unit ships with a generator properly sized for the water heater and lighting load.
  3. Full off-grid. The site lacks both power and water. The trailer arrives with a generator and a large onboard freshwater tank. Water resupply runs on a strict scheduled cycle.

We include greywater capture in every single configuration. The onboard greywater tank holds all the wastewater safely. Our service technicians pump and dispose of this water at a permitted facility.

The frequency of this pumping depends entirely on the total shower hours per day. We usually see a typical user consume about 10 gallons of water during a 10-minute shower. Large off-grid trailers often utilize a 1,000-gallon greywater bladder to handle this heavy volume.

Sizing

Our experts always start with a simple headcount to determine your needs. A practical starting point helps prevent long lines and unhappy users. We use a proven formula based on daily users and shift schedules.

This simple chart outlines the most common recommendations.

Trailer SizeDaily UsersBest Fit ScenarioTypical Fresh Water Tank
4-stall trailer20-40 peopleSmall remote work camps100 to 200 gallons
8-stall trailer50-100 peopleMid-size disaster staging300 to 500 gallons
12+ stall trailer100-250 peopleLarge-scale outdoor events1,000+ gallons

We base these estimated numbers on a reasonable 4-hour to 8-hour rotation window. People usually stagger their visits rather than arriving all at once. Our team will adjust the sizing if your site experiences heavy concentration times.

Post-shift rushes at a work camp or end-of-day festival crowds definitely push sizing up. We evaluate your schedule carefully to avoid bottleneck delays. Your representative will specify the exact configuration based on your unique deployment.

Hot water capacity

Our standard trailers use powerful propane water heaters to keep things comfortable. The water heater type and capacity determine the consecutive shower count before recovery is needed. We typically see an 8-stall trailer run 4 to 6 consecutive showers per stall.

The system then requires a short 15 to 20 minutes of recovery time. Larger heaters and tanked configurations extend this performance significantly. Our premium tankless systems can produce up to 10 gallons per minute of continuous hot water.

This high-flow capacity is crucial for fast-paced 24-hour deployments. We schedule recovery cycles around peak-use patterns to maximize efficiency.

  • Morning work-camp rotations.
  • Evening post-shift cleanup windows.
  • Overnight disaster relief surges.

Standard rotations rarely face water constraints. Our fleet also includes custom 4-season climate packages for harsh winter conditions. Extra insulation and heat trace tape on the plumbing prevent freezing during cold snaps.

Servicing

Our comprehensive service plan takes the maintenance burden completely off your shoulders. Heavy usage situations often require twice-weekly pumping to maintain clean conditions. We include a detailed maintenance checklist with every single rental.

Every shower trailer rental includes the following scheduled services.

  • Scheduled freshwater refill matched to your daily use.
  • Scheduled greywater pumping and safe disposal at a permitted facility.
  • Vacuum-truck servicing separated from the standard greywater pumping.
  • Soap and paper towel restocking.
  • Interior wash-down on the standard service cycle.
  • Detailed water heater inspection and preventative maintenance.

We follow strict EPA guidelines for all waste disposal procedures. Cloth towels are typically supplied by the renter for disaster relief and work camps. Our festival clients usually find that heavy-duty paper towels are perfectly sufficient.

Providing a spotless environment keeps morale high and prevents the spread of illness.

Pricing

Our goal is to provide clear and honest pricing for every single project. In 2026, a standard 4-stall trailer typically starts around $1,500 to $2,100 per week. We calculate final costs using a few critical variables.

Larger configurations and multi-week deployments price out very differently. Your total investment depends on these specific factors.

  • Stall count and the specific water heater configuration.
  • Generator and onboard freshwater add-on features.
  • Deployment distance from the regional equipment yard.
  • Servicing frequency.
  • Total deployment duration.

We provide custom monthly rates for long-term deployments. Monthly agreements for a 4-stall unit often run between $5,000 and $9,000 depending on the selected features. Our logistics team will calculate exact delivery fees based on your specific location.

Transport costs typically run about $3.50 per mile outside of the local service radius. We bill multi-month projects on a separate contract structure with highly transparent unit rates. This approach is very common for disaster relief, pipeline work, and remote camps.

How this pairs with other rentals

Our team coordinates your entire sanitation footprint on a single contract. Shower trailers are almost always part of a much larger sanitation plan. We highly recommend combining units to ensure total compliance and comfort.

These are the most common pairings requested by our clients.

  • Restroom trailers for upscale events combining showers with proper restroom facilities.
  • Standard porta potties for work-camp crew restroom needs alongside the washing stations.
  • ADA portable toilets for accessibility requirements at festivals and large deployments.
  • Holding tanks for additional waste capacity at long-deployment sites.

We also suggest adding standalone handwashing stations near the portable toilets. These multi-sink units feature hands-free foot pumps and help stop the spread of germs. Our dedicated representatives will build the perfect full-site package for you.

Getting everything from one provider saves you time, money, and administrative headaches.

Secure Your Setup Today

Your site requires reliable and clean facilities to function properly. Our team is ready to help you plan out every single detail. A premium shower trailer rental keeps your crew compliant and your guests happy.

We encourage you to contact us early to secure your preferred unit. Call your representative today to coordinate your full package on one simple contract.

Service Gallery

Shower trailer stall interior with changing areaMulti-stall shower trailer at disaster relief deploymentFestival attendees at shower trailerTechnician connecting freshwater to shower trailer
Our process

How it works

01

Deployment scope

Your rep sizes the trailer based on crew or attendee count, deployment duration, and water/power availability.

02

Delivery and setup

Trailer arrives on site, leveled, freshwater filled (or hookup confirmed), water heater tested before handoff.

03

Servicing schedule

Freshwater refill and greywater pumping on a fixed schedule matched to crew or guest count. Vacuum-truck servicing included.

04

Demobilization

End of deployment: greywater pumped, freshwater drained, trailer towed back to regional yard.

Why Porta Johns

Why Contractors Choose Our Shower Trailers

Disaster-ready inventory

Trailers configured for FEMA-style deployments, remote camps, and multi-day festivals — ready to ship within hours of contract execution.

Off-grid configurations

Generator and onboard freshwater options for sites without water or power. Greywater capture for proper disposal in any environment.

Long-deployment pricing

Multi-week and multi-month contracts billed against transparent unit rates. No surprise charges as the deployment extends.

Need shower trailers on site?

Dedicated commercial rep responds within hours. Same-day delivery available in select markets.

Testimonials

What customers say about shower trailers

4.9 / 5 — from 3,000+ customers nationwide
“We run six active commercial builds at once and Porta Johns is the only sanitation vendor that gives us one bill, one rep, and zero surprise charges. Their portal pays for itself.”

Mark T.

Marietta, GA

“Booked a 4-stall restroom trailer for a 200-guest wedding at a vineyard. Delivered on time, AC worked perfectly, guests didn't even realize it wasn't permanent plumbing.”

Jenna R.

Acworth, GA

“Deployed shower trailers and holding tanks for a 90-day pipeline project in West Texas. Multi-state coordination through one rep — exactly what we needed.”

Trevor L.

Remote Texas pipeline camp

“Got ADA units delivered to a county-permitted construction site within four hours of the inspector pointing out we were non-compliant. No drama, no upcharge negotiation.”

Dale K.

Cobb County, GA

Shower Trailers FAQ

Common questions

How many stalls in a shower trailer?
Typical configurations range from 4 stalls (compact) to 12+ stalls (large deployment), with separate men/women sides. Sizing depends on crew or attendee count and how concentrated the shower demand will be.
Is the water hot?
Yes — gas or electric water heaters provide a steady supply of hot water. Tank capacity determines how many consecutive showers can run before recovery time is needed. Multi-week deployments use a rotation schedule to match crew patterns.
Are towels included?
Dispensers for paper towels and soap are included. Cloth towels are typically supplied by the renter or contracted separately, especially for disaster-relief and remote-camp work.
What happens to the greywater?
Onboard greywater capture holds the wastewater. Our service team pumps greywater on a scheduled cycle and disposes of it at a permitted facility. Frequency depends on shower-hours per day.
Can you deliver to a remote site with no power or water?
Yes. Shower trailers ship with onboard freshwater tanks and generator add-ons for grid-free deployments. Common scenarios are oil and gas pipeline work, military training, FEMA staging areas, and back-country construction.
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