What is a portable handwashing station?
A freestanding sink with its own fresh water tank, a foot or hand pump, soap dispensers and a greywater tank underneath. Nothing connects to a building. A two bay unit lets two people wash at once, which is what most crews and most food service setups actually need. It sits alongside a standard porta potty rental rather than replacing anything in it, and it is a different product from a portable sink rental only in configuration rather than principle. If the requirement is hand hygiene without water, that is a hand sanitizer station, and the difference matters legally, which the next section covers.
When does OSHA require handwashing on a job site?
More often than crews assume. OSHA 1926.51(f)(1) requires washing facilities wherever employees apply paints, coatings, herbicides or insecticides, or handle substances that may be harmful. That covers a large share of Largo construction, landscaping and repaint work. Separately, 29 CFR 1910.141(d)(2) sets what a washing facility has to carry: soap, and either individual towels or a warm air dryer. Sanitizer alone does not satisfy that rule, which is the single most common mistake we see on a site walk. OSHA 1926.51(a)(1) also requires an adequate supply of potable water at every workplace, which is a separate obligation again. The handwashing requirements page lays out the whole picture, and the OSHA portable toilet requirements page covers the restroom ratios that sit next to it.
How many stations do you need?
Restroom counts come first, because the sinks follow them. OSHA 1926.51(c) sets one toilet facility for up to 20 workers, then one seat and one urinal per 40 workers as the crew grows, and one seat and one urinal per 50 once you pass 200. A washing station belongs wherever those units are, not in one corner of the site. For events, the working rule is one two bay station per two to four restroom units depending on food service, because a crowd that is eating washes far more often than a crowd that is not. The how many porta potties do I need guide sizes the restroom side, and we size the sinks against it. A festival with food stalls and a county fair both sit at the high end of that ratio.
Where should a station be placed?
Next to the restrooms, on firm level ground, out of the traffic path but not hidden. A station that is 200 feet from the cabins does not get used, and an unused sink fails an inspection just as surely as an absent one. Keep it clear of the truck route so servicing does not need the site shut down. The same access thinking applies as with restrooms, so the placement guide is worth reading before delivery. If the spot sits in the public right of way, that placement needs confirming with the City of Largo first, and the permit requirements page explains what we can and cannot state on your behalf.
How much water does a unit hold?
A two bay station carries roughly 22 gallons of fresh water and a similar greywater capacity underneath. That is several hundred washes at a normal flow, which covers a working week for a small crew or a single busy event day for a larger one. Once the fresh tank empties or the greywater tank fills, the unit needs a service visit, and that visit is a line on the bill exactly like a restroom pump. Heavy use means more visits. For a long construction site hold we set the interval from headcount at the start and adjust it once we see real usage.
How does servicing work?
The same technician who pumps the restrooms restocks the sinks. Fresh water in, greywater out, soap and towels replaced, surfaces wiped. The ANSI/PSAI Z4.3 baseline of one visit a week for up to 10 users over a 40 hour week is the starting point for restrooms and a reasonable anchor for sinks, but food service and hot weather both push it up. The cleaning schedule page explains how the interval is set, and do porta potties smell covers the related question people actually worry about. Greywater is not clean water: it leaves site with us and is disposed of properly, the same as the tank contents from a septic pumping service.
Do you need one at an event?
If food is served, plan on it. Caterers, food trucks and volunteer kitchens all need hand hygiene at the point of work, and a station next to the event restroom rental bank covers guests at the same time. A wedding with a marquee kitchen, a concert with vendor stalls and a marathon with a feed station are all cases where the sinks matter more than the guest count alone suggests. A golf tournament with a halfway house is the same story on a smaller scale. Where the setup is upscale enough that a plastic cabin will not do, a luxury restroom trailer or a 4 stall trailer arrives with sinks built in, and the freestanding units then cover the working areas.
What about cold weather?
Largo winters are wet more than they are frozen, but a hard night still matters because standing water in a supply line can freeze. Units get drained or kept in service on a tighter interval through the cold months, and placement moves out of the wind where the site allows it. The porta potty in winter page covers the same problem on the restroom side, and the two decisions are usually made together.
What does a handwashing station rental cost?
It prices like the rest of the fleet: a unit rate by duration, a delivery line and a service line. A single station on a short event hire is dominated by the delivery leg, so bundling it with the restrooms on one run is materially cheaper than two separate deliveries. On a monthly construction hold the unit rate spreads and the service interval drives the total. The porta potty rental cost page shows how the bands work across the fleet, the per day page covers short hires, and a quote request prices your exact site.
What else belongs on the same order?
Almost always restrooms: a portable toilet rental or a bank of porta john units, with an ADA accessible unit where the public is present, since ADA Standards 213.2 requires at least 5 percent of clustered units, and never fewer than one, to be accessible. Working sites add a roll-off dumpster, a storage container and temporary fence. Sites with no mains supply add a holding tank or a temporary power pole. Ordering it as one job means one delivery run, one schedule and one invoice.
How many people can one station serve?
A two bay unit comfortably covers a crew of around 10 to 20 on a normal week, or a few hundred event guests across a day when it sits beside the restrooms. Above that, add a second unit rather than shortening the service interval, because a queue at the sink is what stops people using it.
Is hand sanitizer enough on a construction site?
No, not where washing is required. 29 CFR 1910.141(d)(2) calls for soap and towels or a dryer, so a sanitizer station supplements a sink rather than replacing it. Where OSHA 1926.51(f)(1) is triggered by paints, coatings, herbicides or insecticides, the sink has to be there.
Do the stations need power or plumbing?
Neither. Fresh water is carried in the unit and the pump is foot or hand operated, so a station works in the middle of a field. That is the whole reason to rent one instead of running a temporary supply.
How fast can you deliver in Largo?
Most orders land within 24 hours, and same day is possible when the schedule allows and you call early. Runs out to Pinellas Park 6.1 miles southeast or Dunedin 9.3 miles southeast are routine, and the full reach is on the service areas page.
Can I add one mid rental?
Yes. Call and we put it on the next scheduled run, which avoids a separate delivery fee. This is common once a crew grows or once an inspection flags the washing requirement. Send a note through contact or start a quote.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.