Federal ADA Standards require at least 5 percent of clustered portable toilets to be wheelchair accessible, with a minimum of one unit no matter how small the cluster. That single unit needs a 60 inch turning space inside, a wider door, and a firm, level pad to sit on. Ankeny Porta Pros builds every event and jobsite order around that math.
It comes down to space and reach, not just a ramp. ADA Standards section 304.3.1 calls for a 60 inch diameter turning circle inside the unit, which is why an ADA accessible porta potty sits on a larger footprint than the 44 by 48 inch standard unit. The door opening has to clear 32 inches per section 404.2.3, and the path leading up to it needs to stay at least 36 inches wide under section 403.5.1. Section 302.1 also requires the ground surface to be stable, firm and slip resistant, so we set these units on a hard, level pad rather than gravel or turf whenever the site allows it. Reach matters too. Section 308.2.1 sets a forward reach limit of 48 inches high and 15 inches low for things like the paper dispenser, and section 309.4 says door latches and other hardware need to operate with one hand and no more than 5 pounds of force. None of this is optional trim. If a unit does not meet these dimensions, it is a standard porta potty rental with a different label on it, not an ADA unit.
Start with your total toilet count, then take 5 percent of it, rounded up, per ADA Standards section 213.2, and never fewer than one accessible unit in the cluster. A 20-unit bank at a festival needs at least one accessible stall; a bank of 40 needs two. This runs alongside, not instead of, the OSHA 1926.51(c) ratio construction crews plan around: one toilet per 20 workers, then a mix of toilets and urinals as the crew grows past that. Our how many porta potties do I need guide walks through both counts together, since a mixed jobsite with a public-facing sidewalk or a vendor area often needs to satisfy both standards at once. For weddings and fairs, our event restroom rental and county fair restrooms pages break the math down by expected headcount instead of by employee count, which is the number that actually drives ADA cluster sizing at a public event in Ankeny.
Placement is where most ADA setups actually fail, even when the unit itself is compliant. A ramp with a running slope steeper than 1:12 defeats the purpose of an accessible unit entirely, per ADA Standards section 405.2, so we check grade before drop-off, not after. The approach path needs the same 36 inch clearance required inside, which rules out setting a unit behind a curb, a landscaping bed, or a gravel strip that a wheelchair or walker cannot cross. Our porta potty placement guide covers grading, surface, and clearance zone together, and it is worth reading before you commit to a spot for a wedding or a construction trailer pad. If you are working a paved lot in Ankeny, the fix is usually just picking the flattest, most direct stretch near the entrance rather than tucking the unit out of sight. For jobsites, ADA placement often overlaps with the sanitation station required near a handwashing station rental or a portable sink rental, so we plan both at the same time during delivery.
OSHA's own toilet count rule, 1926.51(c)(1), does not carry an ADA accessibility requirement by itself. But if the public crosses the site, a sidewalk closure affects pedestrian access, or the project falls under a contract that references ADA compliance, an accessible unit becomes part of the plan rather than an extra. We treat any construction site services order in Ankeny with public-facing frontage as needing at least one accessible unit, and our OSHA portable toilet requirements page walks through where the two standards overlap and where they do not. Crews working a home renovation porta potty job on a private lot with no public access generally do not trigger ADA placement rules, but a downtown Ankeny build with sidewalk work almost always does.
| duration | low | typical | high |
|---|---|---|---|
| day | $200 | $230 | $400 |
| week | $120 | $185 | $240 |
A weekend rental for an ADA unit typically runs $199 to $300 in this market. Delivery is billed separately; see our porta potty rental cost and porta potty rental per day pages for how delivery fees stack on top of the unit rate, and check monthly porta potty rental if your project runs longer than a few weeks.
Yes, because of the larger footprint and hardware. A standard day rate runs $100 to $350, while an ADA day rate runs $200 to $400, reflecting the extra space and turning clearance required inside.
Book as early as you can once headcount is set, since accessible units are a smaller share of most fleets. If your event is within 10.2 miles of Johnston or elsewhere in the metro, lead time works the same; availability, not distance, is the constraint.
Only if it meets the same dimensions: 32 inch door, 60 inch turning circle, and compliant reach ranges. Check our deluxe flushable porta potty page for what is included before assuming it qualifies.
A restroom trailer rental offers more interior room and often a permanent-feel layout, while an ADA porta potty is a single accessible unit. Both must meet the same door width and turning circle standards.
Reach out through our contact page or request a quote form. We will walk the site plan with you and confirm grade, clearance, and unit count before delivery.
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