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Not health advice. Contact your local water utility for concerns.
Data from EPA Water Quality Reports. For official information, contact your water utility or health department.
Compare water quality across 23 counties in Georgia
23 counties ranked by average water quality score
| Rank | County | Avg Score | Grade | Cities | Population | Score Range |
|---|---|---|---|---|---|---|
| 1 | Bulloch County | 96 | A+ | 1 | 33,438 | 96 - 96 |
| 2 | Coweta County | 95 | A+ | 1 | 42,549 | 95 - 95 |
| 3 | Dougherty County | 93 | A | 1 | 68,918 | 93 - 93 |
| 4 | Liberty County | 89 | A- | 1 | 34,194 | 89 - 89 |
| 5 | Hall County | 88 | A- | 1 | 42,296 | 88 - 88 |
| 6 | Muscogee County | 86 | A- | 1 | 206,922 | 86 - 86 |
| 7 | Henry County | 85 | A- | 1 | 30,243 | 85 - 85 |
| 8 | DeKalb County | 84 | B+ | 3 | 143,288 | 75 - 93 |
| 9 | Bibb County | 84 | B+ | 1 | 157,346 | 84 - 84 |
| 10 | Cherokee County | 83 | B+ | 1 | 35,065 | 83 - 83 |
| 11 | Floyd County | 81 | B+ | 1 | 37,713 | 81 - 81 |
| 12 | Fulton County | 80 | B+ | 8 | 949,374 | 44 - 96 |
| 13 | Cobb County | 80 | B+ | 5 | 217,164 | 75 - 86 |
| 14 | Gwinnett County | 74 | B- | 4 | 128,921 | 68 - 86 |
| 15 | Douglas County | 72 | B- | 1 | 34,650 | 72 - 72 |
| 16 | Lowndes County | 70 | B- | 1 | 56,481 | 70 - 70 |
| 17 | Houston County | 70 | B- | 1 | 80,308 | 70 - 70 |
| 18 | Clarke County | 69 | C+ | 1 | 127,315 | 69 - 69 |
| 19 | Richmond County | 69 | C+ | 1 | 202,081 | 69 - 69 |
| 20 | Carroll County | 65 | C+ | 1 | 26,738 | 65 - 65 |
| 21 | Chatham County | 62 | C | 2 | 173,491 | 57 - 67 |
| 22 | Fayette County | 50 | D | 1 | 38,633 | 50 - 50 |
| 23 | Whitfield County | 48 | F | 1 | 34,417 | 48 - 48 |
1 cities • 33,438 residents
1 cities • 42,549 residents
1 cities • 68,918 residents
1 cities • 34,194 residents
1 cities • 42,296 residents
1 cities • 206,922 residents
1 cities • 30,243 residents
3 cities • 143,288 residents
1 cities • 157,346 residents
1 cities • 35,065 residents
1 cities • 37,713 residents
8 cities • 949,374 residents
See all 23 counties in the ranking table above
Our county-level water quality analysis aggregates data from municipal water systems across Georgia. Each county's score represents the average water quality across all analyzed cities within that county, weighted by population served.
With 23 counties and 40 cities analyzed, this data helps residents understand regional water quality patterns in Georgia. County scores range from 44/100 to 96/100, reflecting the diversity of water sources and treatment infrastructure across the state.
Currently, 6 counties in Georgia have average scores below 70, indicating potential water quality concerns. Residents in these areas should review their city's specific report and consider water filtration options.