Safest Drinking Water in Georgia 2026
Georgia has 5 public water systems serving 3,937,410 people. The safest system is Gwinnett Co. Dept. of Water Resources in Lawrenceville with a score of 100/100.
Top 5 Water Systems in Georgia
| # | Water System | City | Pop. Served | Source | Violations | Score |
|---|---|---|---|---|---|---|
| 1 | Gwinnett Co. Dept. of Water Resources | Lawrenceville | 975,000 | Surface water | 0 | A (100) |
| 2 | Cobb County | Marietta | 695,000 | Surface water | 0 | A (100) |
| 3 | Dekalb County | Decatur | 743,000 | Surface water | 0 | A (94) |
| 4 | North Fulton County | Alpharetta | 434,517 | Surface water | 0 | B (82) |
| 5 | Atlanta | Atlanta | 1,089,893 | Surface water | 5 | F (10) |
Water quality data for Georgia is sourced from the EPA Safe Drinking Water Information System (SDWIS), which tracks compliance for all public water systems.
Frequently Asked Questions
Gwinnett Co. Dept. of Water Resources in Lawrenceville has the highest Water Safety Score in Georgia at 100/100 (Grade A), serving 975,000 people.
Georgia has 5 public water systems serving 3,937,410 people. The average Water Safety Score is 77/100.
The Water Safety Score (0-100) is based on health violations (40%), contaminant exceedances (30%), enforcement history (20%), and monitoring violations (10%). Higher scores mean cleaner, safer water.
Water Safety Score: health violations (40%), contaminant exceedances (30%), enforcement history (20%), monitoring violations (10%).