Size (Peak day design capacity, gallons per day) - less than 10,000 | 1 |
Water Supply Source - Groundwater | 2 |
Pretreatment - Roughing filter: Non-backwashable strainer or filter | 2 |
Adjustment and Corrosion Control - Corrosion inhibitor | 3 |
Aeration / Ion Exchange - Aeration: Mechanical or diffused | 3 |
Aeration / Ion Exchange - Degasification | 3 |
Activated Carbon - Granular activated carbon contactors | 4 |
Filtration - Cartridge or bag filter - single unit | 2 |
Disinfection - Liquid and powdered hypochlorites | 3 |
Filtration - Membrane filtration integrated system | 12 |
Storage - Tank capacity less than 50,000 gallons | 1 |
Storage - Pressure tanks | 0 |