What does OSHA require for portable toilets on a construction site?
The number comes straight from OSHA 1926.51(c)(1): 1 toilet facility for crews of 20 or fewer, 1 toilet seat and 1 urinal per 40 workers between 20 and 200, and 1 per 50 once you're above 200 heads on payroll. That's the construction standard, not the general industry one. If your Indio crew runs 200 amp temporary power and a full trailer setup, sanitation still gets sized off headcount, not square footage. General industry sites, like a warehouse retrofit instead of a build, fall under 29 CFR 1910.141(c)(1)(i) instead, which uses a different ratio table. Don't mix the two up on a permit application. We size most residential and commercial jobs in Indio using the construction table, then confirm crew count before delivery, and the same math answers how many porta potties do i need osha questions no matter what state you're building in. If you're not sure which category your project falls under, our standard porta potty rental page breaks down typical unit counts by crew size, and the how many porta potties do I need guide walks through the math step by step.
How is Cal OSHA different from federal OSHA on portable toilets?
Cal osha portable toilet requirements generally mirror the federal ratio table, but California adds its own enforcement layer through Cal/OSHA field inspectors, and site rules can vary by county. We're not going to quote a specific Cal OSHA regulation number here because that varies and needs confirming against the current state code directly, not from memory. What we can tell you: sizing your rental off the federal 1926.51(c)(1) table keeps most Indio contractors compliant on the toilet count question, and that's the number inspectors check first. Placement in the public right of way is a separate issue and needs confirming with the City of Indio before delivery, since we don't have a verified local ordinance to cite here. Water supply is federal too: 1926.51(a)(1) requires an adequate supply of potable water at any place of employment, which matters if you're pairing units with a handwashing station rental or a portable sink rental for the crew.
What are the OSHA portable toilet distance requirements?
OSHA doesn't set a hard footage number for how far a toilet can sit from the work area on a general construction site. What does have hard numbers is accessibility: ADA Standards section 213.2 requires at least 5 percent of clustered single-user units to be accessible, and never fewer than one. The accessible unit itself needs a 36 inch clear route per ADA 403.5.1, a 32 inch door opening per ADA 404.2.3, and a 60 inch turning circle inside per ADA 304.3.1. Agricultural sites run under a different rule entirely: OSHA 1928.110 requires field sanitation facilities within a quarter mile walk of hand-labor employees, at one facility per 20 workers. That's relevant if you're running crews on farmland outside Indio proper, closer to Coachella, which sits about 8.3 miles southeast, where agricultural work is common. For general placement guidance on firm, level ground, see our porta potty placement guide.
Do I need handwashing stations too, or just toilets?
Toilets alone don't satisfy handwashing requirements if your crew is applying paints, coatings, herbicides or insecticides. OSHA 1926.51(f)(1) specifically requires washing facilities in that situation, and it's not a general handwashing mandate for every jobsite. For general industry work, 29 CFR 1910.141(d)(2) requires soap and towels or a hand drying device at wash stations; hand sanitizer alone doesn't satisfy that rule. A standard unit's 60 to 70 gallon holding tank handles waste, but it doesn't include a sink, so most Indio contractors pair toilets with a separate hand sanitizer station rental or a proper wash station when the work involves chemicals. Rentals here run from a single day up to a full month; see porta potty rental cost and monthly porta potty rental for how pricing scales with duration.
| unit | day | week | month |
|---|---|---|---|
| standard | $100-$350 | $130-$500 | $125-$325 |
| ada | $200-$400 | $240-$400 | - |
| deluxe | $85-$1200 | $150-$290 | - |
Weekend rates run separately from the day-week-month scale above; a standard weekend rental typically lands between $125 and $400 depending on unit count and delivery. Indio Porta Pros delivers to jobsites across the valley, including La Quinta 8.3 miles south and Rancho Mirage 14.1 miles west, and can size a full construction site services package around your crew count.
Do porta potties need to be ADA accessible on a construction site?
Yes, if you're clustering multiple units. ADA 213.2 requires at least one accessible unit, and 5 percent of the total if you've got a larger bank of toilets. A standard unit runs about 44 by 48 inches on the ground; the accessible version needs more interior clearance to meet the turning circle rule.
How many porta potties do I need for a 20 person crew?
One unit satisfies OSHA 1926.51(c)(1) for 20 workers or fewer. Once you add a 21st worker, you're required to add a second toilet seat and a urinal. Most Indio contractors add a buffer unit anyway to avoid service gaps between pump-outs.
Does OSHA require a specific toilet cleaning schedule?
OSHA doesn't set a cleaning interval by name. ANSI/PSAI Z4.3 sets the industry baseline at one service visit per week for up to 10 users over a 40 hour week. Heavier crews need more frequent service.
Can I rent a storage container along with my porta potties?
Yes. Indio Porta Pros delivers storage container rental units alongside toilets and dumpsters for the same jobsite, which is common on multi-week builds needing both sanitation and secure tool storage in one delivery trip. Out of town crews searching portable toilet rental oshawa or storage container rental oshawa for a Canadian job should check local codes there, since this page covers Indio, CA rules only.
What happens if my crew size grows mid-project?
Call and we'll adjust the count. OSHA ties toilet numbers to actual headcount, not your original bid, so a crew that grows past 20 workers needs a second unit added before that threshold gets crossed, not after.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.