Size (Peak day design capacity, gallons per day) - 100,001 - 500,000 | 9 |
Water Supply Source - Surface water | 6 |
Pretreatment - Roughing filter: Non-backwashable strainer or filter | 2 |
Pretreatment - Add-heat system to heat raw water | 2 |
Adjustment and Corrosion Control - Corrosion inhibitor | 3 |
Aeration / Ion Exchange - Degasification | 3 |
Coagulation - Primary coagulant | 5 |
Mixing - In-line static mixers | 0 |
Filtration - Cartridge or bag filter - single unit | 2 |
Filtration - Granular media | 8 |
Filtration - Membrane filtration | 8 |
Disinfection - Liquid and powdered hypochlorites | 3 |
Disinfection - Additional points if hypochlorites are generated on-site | 2 |
Sludge Treatment - Discharge to sewer or other off-site treatment | 0 |
Storage - Water storage tank, for achieving CT | 3 |