When determining the number of portable toilets required, consider the event duration, expected attendee count, and gender distribution. Alcohol consumption, event type, and peak usage times are also essential factors. Providing ADA-compliant units for individuals with disabilities is crucial. Ensure accessibility and comply with local regulations. Sanitation and hygiene maintenance are vital for attendee satisfaction and well-being. Consulting with a professional porta potty rental company can help accurately assess the needs and provide the appropriate number of toilets for the event.