October 2026 Oktoberfest: 400 people, beer all day. How many units?

For 400 people over eight hours with continuous beer, plan for at least 10 to 12 standard portable toilets, plus one ADA-compliant portable toilet to meet the ADA cluster rule. The high alcohol consumption and long duration mean you need more units than the basic guideline of one per 50 to 75 people for a four-hour event. A restroom trailer improves guest comfort with flushing toilets and sinks, but it requires level ground and electrical power, which adds complexity and cost. Servicing for standard units is typically weekly, but for a single-day event with heavy use, schedule a service visit afterward; restroom trailers may need pumping during the event if their holding tanks fill up. Placement on level ground near the vacuum truck access ensures efficient service. Focus on unit count and guest flow to handle the crowd and alcohol intake.