What makes a porta potty ADA accessible?
Size and clearance, mostly. ADA Standards section 304.3.1 calls for a 60 inch turning circle inside the unit, enough room for a wheelchair to rotate without backing out the door. The door itself needs a 32 inch clear opening under section 404.2.3, wider than the entry on a standard porta potty rental. Grab bars, a raised bench-height seat, and a lower reach zone matter too: unobstructed forward reach tops out at 48 inches and bottoms out at 15 inches per section 308.2.1. Door handles and latches have to work with a closed fist, no pinching or twisting, and take no more than 5 pounds of force, per section 309.4. Floors need to be stable and slip resistant under section 302.1. None of this is optional dressing on top of a regular unit. It's a different build. Compare the specs on our ADA accessible porta potty page against a deluxe flushable porta potty if you want to see the difference in person before you order.
How many ADA units does my Amherst site need?
One is the floor, not the ceiling. Section 213.2 sets the baseline at 5 percent of clustered units, never fewer than one. A 20-unit festival layout in Amherst needs at least one ADA unit; a 40-unit layout needs two. Route access matters as much as the count: the path to the unit needs a 36 inch clear width under ADA Standards section 403.5.1, and if there's a curb or slope in the way, any ramp on that route can't exceed a 1:12 slope under section 405.2. We map this during the site walk, the same way we plan spacing for a construction site services job or a wedding restroom rental layout. If your event runs closer to Tonawanda or Grand Island, we've priced that ground too: Tonawanda sits 9.0 miles west of Amherst, Grand Island 12.9 miles west, both inside our regular delivery run.

Do OSHA rules overlap with ADA requirements?
They run on separate tracks but you comply with both at once. OSHA 1926.51(c)(1) sets toilet counts for construction crews: one facility for 20 workers or fewer, then a step up in ratio as headcount climbs past 20 and again past 200. That's a headcount rule. ADA accessibility is a design rule layered on top of it, covering door width, reach range, and turning space regardless of how many total units you've ordered. A 15-person Amherst crew still needs one accessible unit in the mix even though OSHA's headcount math would otherwise let you run with a single standard toilet. We walk contractors through both requirements on our OSHA portable toilet requirements page, and for wash stations tied to specific site work, 29 CFR 1910.141(d)(2) requires soap and a towel or drying device, not hand sanitizer alone, which is why we pair ADA units with a proper handwashing station rental rather than a sanitizer stand by itself.

What does an ADA unit cost to rent in Amherst?
Expect a higher day rate than a standard unit, and a lower per-day cost if you rent by the week. Below is the pricing band we work inside.
| Duration | Low | Typical | High |
|---|---|---|---|
| Day | $200 | $230 | $400 |
| Week | $120 | $185 | $240 |
A weekend rental for an ADA unit runs from roughly $199 up to $300 depending on delivery distance and how fast you need it on site. Delivery itself is billed separately, and most of our delivery fees for day rentals land between $100 and $500 depending on load and distance. For a broader breakdown across unit types, see porta potty rental cost or porta potty rental per day. If your job runs long, monthly porta potty rental pricing usually beats renting week to week.
Placement still needs to clear the site, not just the unit spec sheet. If you're setting units in a public right of way anywhere in Amherst, that placement needs confirming with the city directly; we don't guess at local ordinance numbers we haven't verified. Our porta potty placement guide and porta potty permit requirements pages cover the questions to ask before delivery day. For events drawing a crowd, pair the ADA unit count with a look at our event restroom rental and festival restroom rental guidance, and if you'd rather skip a cluster of single units, a 2 stall restroom trailer or 4 stall restroom trailer can build ADA access into one trailer instead.
How wide does the path to an ADA porta potty need to be?
At least 36 inches clear, per ADA Standards section 403.5.1. That's the whole route from parking or the building entrance to the unit door, not just the space directly in front of it. Gravel, mud, or a curb without a ramp breaks compliance even if the unit itself meets spec.
Can I rent just one ADA unit for a small job?
Yes, and for many Amherst jobs that's exactly what's required. Section 213.2 sets one unit as the minimum whenever any units are clustered, regardless of how small the cluster is. A single ADA unit alongside two or three standard units satisfies that floor.
Does an ADA porta potty cost more than a standard one?
Yes. ADA day rates typically run $230 versus $150 typical for a standard unit, because of the added size, hardware, and turning space. Weekly ADA rates close that gap some, landing around $185 typical against $200 typical for standard.
Is a handwashing station required next to an ADA unit?
Not automatically under ADA rules, but OSHA 1926.51(a)(1) requires potable water at the worksite, and 29 CFR 1910.141(d)(2) requires soap and towels wherever washing facilities are provided. Most Amherst job sites pair one hand station per restroom cluster regardless.
What if my event site has a slope near the restrooms?
Any ramp on the accessible route can't exceed a 1:12 slope under ADA Standards section 405.2. If the natural grade is steeper, we adjust placement or bring in matting and a compliant ramp section as part of delivery.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.