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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 | Pulaski County | 100 | A | 2 | 401,330 | 100 - 100 |
| 2 | Washington County | 100 | A | 2 | 215,346 | 100 - 100 |
| 3 | Sebastian County | 100 | A | 1 | 86,209 | 100 - 100 |
| 4 | Craighead County | 100 | A | 1 | 81,888 | 100 - 100 |
| 5 | Faulkner County | 100 | A | 1 | 64,008 | 100 - 100 |
| 6 | Miller County | 100 | A | 1 | 50,815 | 100 - 100 |
| 7 | Greene County | 100 | A | 1 | 31,188 | 100 - 100 |
| 8 | Saline County | 100 | A | 1 | 30,681 | 100 - 100 |
| 9 | Lonoke County | 100 | A | 1 | 30,063 | 100 - 100 |
| 10 | Crittenden County | 100 | A | 1 | 24,419 | 100 - 100 |
| 11 | Benton County | 99 | A | 3 | 172,112 | 98 - 100 |
| 12 | Garland County | 99 | A | 1 | 75,343 | 99 - 99 |
| 13 | Jefferson County | 97 | A | 1 | 43,438 | 97 - 97 |
| 14 | Pope County | 90 | A | 1 | 29,260 | 90 - 90 |
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 18 cities analyzed, this data helps residents understand regional water quality patterns in Arkansas. County scores range from 90/100 to 100/100, 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.