| Size (Peak day design capacity, gallons per day) - less than 10,000 | 1 |
| Water Supply Source - Groundwater under the direct influence of surface water | 4 |
| Adjustment and Corrosion Control - Corrosion inhibitor | 3 |
| Filtration - Cartridge or bag filter - single unit | 2 |
| Disinfection - Liquid and powdered hypochlorites | 3 |
| Storage - Water storage tank, for achieving CT | 3 |