Accessible units · Huntsville, AL
ADA Accessible Porta Potty Rental in Huntsville
Accessible portable restrooms are governed by real, checkable rules — the 2010 ADA Standards — and by a placement discipline that matters as much as the unit itself. This page lays out the 5 percent cluster rule, the accessible route, and the construction exemption, so you can plan a request that holds up.
The 5 percent cluster rule
Where multiple single-user portable toilet units are clustered at a single location at a facility covered by the ADA, §213.2 Exception 3 of the 2010 Standards requires at least 5 percent of the units at each cluster to be accessible. Two clusters of ten need an accessible unit in each cluster — not one accessible unit somewhere on the grounds. Units that comply must be labeled with the International Symbol of Accessibility.
The route is part of the requirement: an accessible unit at the top of a gravel slope is not serving its purpose. §206 requires an accessible route, which in practice means firm, level ground connected to where people actually circulate.
Sources: 2010 ADA Standards §§203.2, 206, 213.2; U.S. Access Board toilet-room guidance. Checked July 27, 2026.
The construction exemption
Portable toilets used exclusively by construction personnel on a construction site are exempt from §213 and from the accessible-route requirement under §203.2. The word doing the work is exclusively — a site trailer visited by the public, or a mixed crew including office staff, is a different analysis. This site never states that a specific site, event, or unit is or is not compliant; that determination belongs to the operator of the covered facility and their counsel.
Planning the request
- Count your clusters, then apply 5 percent per cluster and round up
- Walk the route: firm surface, no curbs or steps, adequate width
- Place accessible units at the ends of banks, where approach space is easiest to keep clear
- For events, pair the plan with your overall event unit count
Call (256) 400-2111 to plan accessible units and routes
Call to request service. If the call is missed, leave your name, the delivery address, your dates, and a callback number.
Independent service-request website. Calls and forms may be shared with a third-party provider. The provider confirms availability, pricing, and service terms.
Questions people ask
How many accessible units does my event need?
Under the 2010 ADA Standards, where multiple single-user portable units are clustered at a covered facility, at least 5 percent of the units at each cluster must be accessible — and the rule applies per cluster, not per event total. Compliant units carry the International Symbol of Accessibility. Whether a specific event or site is covered is a legal question this site does not decide; the standard itself is the starting point.
Does a construction site need accessible units?
Portable toilets used exclusively by construction personnel on a construction site are exempt from the ADA Standards' toilet-facility scoping and the accessible-route requirement. The exemption is about who uses the units: once the public or non-construction staff use them, the exemption no longer describes the situation.
What makes the unit itself accessible?
An accessible unit is built wider, with a ground-level floor, interior grab bars, and room for a wheelchair to enter and turn. Placement matters as much as the unit: it needs a firm, level spot connected to an accessible route, not a curb-and-grass island.