OSHA requires 1 toilet for 20 or fewer construction workers, scaling up to 1 toilet and 1 urinal per 40 workers past that point, under 1926.51(c). San Tan Valley crews on active jobsites need to hit that ratio from day one, not after an inspection flags it. San Tan Valley Porta Pros builds crews to that number.
Start with your headcount. OSHA 1926.51(c)(1) sets 1 toilet facility for 20 workers or fewer on a construction site, then 1 toilet seat plus 1 urinal per 40 workers once you pass 20, and 1 per 50 once the crew hits 200 or more. A 15-person framing crew in San Tan Valley needs one unit. A 60-person crew needs two toilets and two urinals under the ratio. Our guide on how many porta potties you need walks through headcount math in more detail, and you can check current standard porta potty rental pricing before you commit. If your crew works with paints, coatings or pesticides, OSHA 1926.51(f)(1) kicks in separately and requires washing facilities for that contaminant exposure, which a handwashing station rental satisfies on its own line item.
OSHA does not publish a fixed footage number for toilet placement, so distance planning comes down to practical access and your own site layout. What OSHA does set is potable water access under 1926.51(a)(1), meaning every unit area needs a water supply nearby, and general sanitation coverage under 1926.51(c). Field crews sometimes ask about a Cal OSHA portable toilet requirement or a Cal OSHA portable toilet requirement construction standard specifically, but Arizona jobsites fall under federal OSHA, not the California-specific rule. Our porta potty placement guide covers ground stability and access lanes, and our porta potty permit requirements page flags where placement might touch public right of way. That placement question always needs confirming with the City of San Tan Valley directly since we have no permit ordinance number on file for this page.
OSHA itself does not mandate ADA units for construction crews, but ADA Standards 213.2 requires at least 5 percent of clustered single-user units be accessible, with a minimum of one, whenever units serve the public rather than just employees. That applies to events, fairs and public-facing sites more than a closed construction yard. An accessible unit needs a 36 inch clear route per ADA 403.5.1, a 32 inch door opening per 404.2.3, and a 60 inch turning circle inside per 304.3.1. Check our ADA accessible porta potty page for unit specs, and our ADA restroom requirements guide for the fuller rundown. Public events near San Tan Valley, including anything drawing crowds from Apache Junction 18.5 miles north or Florence 17.3 miles southeast, should plan accessible units into the layout from the start, not as an afterthought once complaints start.
Toilets are one piece. OSHA 1926.25 requires debris cleared from work areas, which matters if you are running a roll-off dumpster rental alongside your toilets. OSHA 1926.404(b)(1)(ii) covers GFCI protection if you are running a light tower rental or temporary power pole on the same site. Washing facilities under 29 CFR 1910.141(d)(2) need soap and towels or a dryer, not hand sanitizer alone, which is why a portable sink rental beats a hand sanitizer station rental for compliance purposes. Perimeter control falls under 1926.202, relevant if you are also renting temporary fence rental or a crowd control barrier rental for a busy corridor. Crews staging equipment or files off-site often add a storage container rental or mobile office trailer rental to keep the yard clear, which also helps satisfy the housekeeping rule.
| unit | day | week | month |
|---|---|---|---|
| standard | $100-$350 | $130-$500 | $125-$325 |
| ada | $200-$400 | $240-$400 | -- |
| deluxe | $85-$1200 | $150-$290 | -- |
Weekend rates for standard units run $125 to $400 for short events. Delivery fees run $100 to $500 for a single day depending on distance and site access. Full detail lives on our porta potty rental cost and monthly porta potty rental pages, and daily numbers specifically are broken out on porta potty rental per day.
Crews share. OSHA 1926.51(c)(1) sets the ratio at 1 toilet per 20 workers, not one per person, so a 20-person crew needs a single unit and a 45-person crew needs two toilets and two urinals under the scaled table.
ANSI/PSAI Z4.3 sets a baseline of one service visit per week for up to 10 users over a 40 hour week. Busier sites need more frequent pumping. See how often porta potties are cleaned for scheduling detail.
Yes. OSHA 1928.110 covers field sanitation for hand-labor agricultural work specifically, requiring potable water, toilets and handwashing within a quarter mile walk, one facility per 20 employees. Check farm and agricultural restrooms for setup options.
No. 29 CFR 1910.141(d)(2) requires soap and towels or a hand drying device at washing stations; sanitizer alone does not meet that standard. See handwashing station requirements for compliant setups.
Inspectors can cite under 1926.51(c) for missing toilet ratios or under 1926.404(b)(1)(ii) for electrical gaps near powered units. Fixing it fast matters more than arguing it. Call San Tan Valley Porta Pros or request a quote for same-day placement.
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