What Is a Portable Sink Station?
A portable sink station is a self-contained unit with its own fresh water tank, a pump, a basin, and a wastewater holding tank underneath. Nothing hooks into city water or a sewer line. You fill the fresh tank, use the sink, and the greywater drains into the tank below until it's serviced. Some units add a small water heater, which matters if you're washing hair, rinsing paint gear, or running a food booth where warm water actually helps.
We set these up across Gilbert for construction crews, weddings, farmers markets, and film shoots. If you're already renting portable restroom rental units for a job site, a handwash station usually gets ordered right alongside it, and pairing them cuts down on a second delivery fee. For bigger crews we also place handwashing station rental banks near the toilets themselves, since OSHA 1926.51(c) sets toilet ratios by headcount and handwash access tends to follow the same math. A grease trap or event kitchen setup is a different animal. If you're running a food truck lineup, look at portable sink rental's cluster pillar page, handwashing station rental, for the full lineup including multi-basin trailers.
Can I Use a Portable Sink for Washing Hair?
Yes. A portable sink built for hair washing has a deeper basin, a sprayer or hose attachment, and usually a heated tank so the water isn't cold. Camping portable sink units work fine for dishes and hands, but for hair you want the sprayer style, not the flat basin kind. These get rented for film sets, disaster relief camps, and long-term farm crews who don't have shower access nearby.
If hair washing is really the goal, most customers end up happier with a shower unit instead. Check shower trailer rental if you're housing a crew in Gilbert for more than a few days. For quick hand and face washing on a job site or at farm and agricultural restrooms locations, the standard portable sink for hair washing still works, just don't expect a full rinse-and-condition experience out of a 12 gallon tank.
How Much Does a Portable Sink Rental Cost?
Pricing depends on tank size, whether it's heated, and how long you need it. Delivery is usually billed separately from the unit itself.
| Item | Day | Week | Month |
|---|---|---|---|
| Delivery fee | $100 - $500 | $100 - $150 | $120 - $420 |
| Service fee | $100 - $300 | $100 - $220 | $100 - $300 |
These delivery and service bands come from measured pricing across the region, not a flat rate, so a station going out to a job site 8.1 miles into Mesa may run a different delivery fee than one staying inside Gilbert city limits. Weekend rates for short events run higher than a weekday rental because of the turnaround, so ask about weekend pricing directly when you book. If you're pairing a sink with toilets for a wedding or festival, bundling the order under one delivery often beats ordering separately. See event restroom rental or wedding restroom rental for how that bundling usually works, and porta potty rental cost for toilet-specific pricing.
Do I Need a Permit for a Portable Sink Station?
Permit rules for placing equipment in a driveway, parking lot, or the public right of way in Gilbert are not something we'll guess at here. That needs confirming with the City of Gilbert directly before delivery day, especially if the unit sits on a street or sidewalk rather than private property. Our porta potty permit requirements page walks through the general questions to ask, and the porta potty placement guide covers ground clearance and access needs that apply to sinks too.
Handwashing requirements differ by industry. Construction sites follow OSHA 1926.51(c), general workplaces fall under 29 CFR 1910.141(d)(2) which requires soap and towels or a hand-drying device (hand sanitizer alone doesn't satisfy it), and agricultural operations follow OSHA 1928.110, which calls for one facility per 20 hand-labor employees within a quarter mile walk. Our handwashing requirements page breaks these out further, and if your crew is doing painting, coating, or pesticide work, OSHA 1926.51(f)(1) requires washing facilities specifically because of that contaminant exposure, separate from the general handwashing rule.
What size water tank does a portable sink need?
Tank sizes vary by model, from small camping-style units up to larger stations built for crews. A portable sink water tank setup with a bigger reservoir means fewer refills during a long event or multi-day job, which matters most for construction site services where refill access is limited.
Does a portable sink come with hot water?
Not always. Basic units run cold water only from a gravity-fed or pump tank. A hot water portable sink adds a small heater, which costs more but matters for hair washing, food service, or cold-weather jobs. Ask when booking since not every unit in the fleet is heated.
Can a portable sink handle greywater on its own?
Yes, within limits. The wastewater tank underneath the basin holds greywater until it's pumped or dumped properly, similar to how a septic pumping service empties a holding tank. Heavy daily use means more frequent service visits.
How many portable sinks do I need for an event?
It depends on headcount and how long the event runs. The same logic used for toilet counts under OSHA 1926.51(c) generally applies. Our how many porta potties do i need guide covers the ratio math in more detail.
Can I rent a portable sink for camping?
Yes. A camping portable sink is smaller, often with a hand-pump instead of an electric one, built for basic dishwashing and hand cleaning outdoors. Pair it with a camping porta potty for a full setup without hookups.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.