ADA cluster rule: 10 porta potties at a November 2026 festival. Need an ADA unit?
Yes, you need at least one ADA-compliant portable toilet for your cluster of 10 standard units at the November 2026 festival. The 2010 ADA Standards for Accessible Design require that where multiple single-user portable toilets are clustered at a single location, at least 5 percent of the units in each cluster must be accessible. For 10 units, 5 percent is 0.5, which rounds up to one required ADA-compliant unit. This unit must meet specific requirements like a wider door, interior turning space, grab bars, and appropriate door hardware, and it should be identified with the International Symbol of Accessibility.
Event details matter
Your festival with 10 standard units likely serves 500 to 750 people based on common planning guidelines. Since it's a festival, factors like alcohol service, food vendors, and duration (e.g., a full day) increase restroom usage. Adding an ADA-compliant unit ensures compliance and accommodates attendees with mobility needs.
Placement and service
Place all units, including the ADA unit, on level ground with clear truck access for weekly service. In November, consider winterization to prevent freezing in standard units, though ADA units have similar holding tanks. If you upgrade to deluxe units or a restroom trailer, the ADA requirement still applies to the cluster.
Always check local permit office rules, as some jurisdictions may have additional requirements. If you have questions about specific ADA features or service frequency, feel free to ask.