Size (Peak day design capacity, gallons per day) - 5,000,001 - 10,000,000 | 20 |
Water Supply Source - Surface water maintaining filtration avoidance criteria under 18 AAC 80.620 | 8 |
Pretreatment - Roughing filter: Non-backwashable strainer or filter | 2 |
Adjustment and Corrosion Control - pH adjustment | 3 |
Fluoride - Sodium fluoride saturator | 2 |
Disinfection - Gas chlorine | 12 |
Disinfection - Ultraviolet light, for meeting required inactivation | 4 |