Determine how many hours your event will last.  If multiple days, use the longest day.  Determine your guest count.  If multiple days, use the day with the largest attendance.  Use the chart to determine the number of restrooms needed for your upcoming event.

Note:  If alcohol is being served, add 15-20% more restrooms.  Add one Handicap Accessible Restroom per 20 portable restrooms, or a minimum of one for events open to the public.  Adequate hand washing should also be provided with restrooms in all food service areas.
A minimum of (1) handwash station should be added per (4) restrooms