Size (Peak day design capacity, gallons per day) - 100,001 - 500,000 | 9 |
Water Supply Source - Groundwater under the direct influence of surface water | 4 |
Aeration / Ion Exchange - Aeration: Mechanical or diffused | 3 |
Aeration / Ion Exchange - Ion exchange | 4 |
Activated Carbon - Granular activated carbon contactors | 4 |
Oxidation - Potassium permanganate | 4 |
Coagulation - Primary coagulant | 5 |
Mixing - In-line static mixers | 0 |
Filtration - Granular media | 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 |