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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 14 counties in Arkansas
14 counties ranked by average water quality score
| Rank | County | Avg Score | Grade | Cities | Population | Score Range |
|---|---|---|---|---|---|---|
| 1 | Jefferson County | 97 | A+ | 1 | 41,253 | 97 - 97 |
| 2 | Greene County | 95 | A+ | 1 | 29,908 | 95 - 95 |
| 3 | Crittenden County | 95 | A+ | 1 | 24,656 | 95 - 95 |
| 4 | Saline County | 86 | A- | 1 | 36,360 | 86 - 86 |
| 5 | Garland County | 85 | A- | 1 | 38,697 | 85 - 85 |
| 6 | Washington County | 84 | B+ | 2 | 178,110 | 82 - 86 |
| 7 | Craighead County | 84 | B+ | 1 | 78,576 | 84 - 84 |
| 8 | Pope County | 84 | B+ | 1 | 29,318 | 84 - 84 |
| 9 | Sebastian County | 81 | B+ | 1 | 89,142 | 81 - 81 |
| 10 | Pulaski County | 80 | B+ | 4 | 328,355 | 69 - 89 |
| 11 | Benton County | 79 | B | 3 | 156,013 | 72 - 84 |
| 12 | Miller County | 76 | B | 1 | 29,864 | 76 - 76 |
| 13 | Faulkner County | 75 | B | 1 | 66,776 | 75 - 75 |
| 14 | Lonoke County | 70 | B- | 1 | 27,076 | 70 - 70 |
1 cities • 41,253 residents
1 cities • 29,908 residents
1 cities • 24,656 residents
1 cities • 36,360 residents
1 cities • 38,697 residents
2 cities • 178,110 residents
1 cities • 78,576 residents
1 cities • 29,318 residents
1 cities • 89,142 residents
4 cities • 328,355 residents
3 cities • 156,013 residents
1 cities • 29,864 residents
See all 14 counties in the ranking table above
Our county-level water quality analysis aggregates data from municipal water systems across Arkansas. Each county's score represents the average water quality across all analyzed cities within that county, weighted by population served.
With 14 counties and 20 cities analyzed, this data helps residents understand regional water quality patterns in Arkansas. County scores range from 69/100 to 97/100, reflecting the diversity of water sources and treatment infrastructure across the state.
All analyzed counties in Arkansas maintain average scores above 70, indicating generally acceptable water quality standards statewide. Individual city scores may vary, so residents should still review their specific city's report.