Size (Peak day design capacity, gallons per day) - 5,000,001 - 10,000,000 | 20 |
Water Supply Source - Groundwater | 2 |
Adjustment and Corrosion Control - pH adjustment | 3 |
Oxidation - Hypochlorite solution | 3 |
Coagulation - Primary coagulant | 5 |
Coagulation - Coagulant aid, flocculent, or filter aid (3 each up to 12) | 3 |
Mixing - Mechanical mixers | 5 |
Sedimentation - Combined rapid mix-coagulation-flocculation-sedimentation unit | 20 |
Filtration - Granular media | 8 |
Electro/Lime/Recarb - Lime softening | 16 |
Disinfection - Liquid and powdered hypochlorites | 3 |
Disinfection - Additional points if hypochlorites are generated on-site | 2 |
Sludge Treatment - Mechanical dewatering | 6 |
Sludge Treatment - Filter backwash water or sludge supernatant recycling, groundwater source | 2 |
Storage - Water storage tank, for achieving CT | 3 |