The system shall be sized in accordance with the gallons-per-day-per-occupant number based on the type of fixtures connected to the gray water
system. The discharge shall be calculated by the following equation:
Number of occupants shall be determined by the actual number of occupants, but not less than two occupants for one bedroom and one occupant for each additional bedroom.
|B||=||Estimated flow demands for each occupant:|
Residential—25 gallons per day (94.6 lpd) per occupant for showers, bathtubs and lavatories and 15 gallons per day (56.7 lpd) per occupant for clothes washers or laundry trays.
|C||=||Estimated gray water discharge based on the total number of occupants.|