| ewg tap water database 2023 | 0.12 | 0.4 | 1121 | 27 | 87 |
| ewg tap water database 2022 | 0.21 | 0.1 | 4437 | 27 | 44 |
| ewg tap water database 2021 | 1.48 | 0.5 | 5636 | 27 | 65 |
| ewg tap water database 2020 | 0.7 | 1 | 1710 | 27 | 19 |
| ewg tap water database 2019 | 1 | 0.4 | 2971 | 27 | 57 |
| ewg tap water database | 0.63 | 0.1 | 3905 | 22 | 93 |
| ewg tap water data | 1.26 | 0.2 | 5296 | 18 | 100 |
| ewg tap water database zip code | 1.01 | 0.3 | 1426 | 31 | 18 |
| ewg tap water base | 1.55 | 0.7 | 9794 | 18 | 68 |
| ewg water database map | 0.51 | 0.5 | 7197 | 22 | 9 |
| ewg tap water zip code | 1.8 | 0.5 | 3115 | 22 | 53 |
| ewg drinking water database | 1.5 | 0.6 | 2953 | 27 | 44 |
| ewg tap water uk | 1.86 | 0.1 | 1940 | 16 | 60 |
| ewg water database by zip code | 1.55 | 0.4 | 8027 | 30 | 83 |
| ewg tap water canada | 1.68 | 1 | 6447 | 20 | 53 |
| ewg national drinking water database | 1.52 | 0.6 | 3765 | 36 | 100 |
| ewg tap water houston | 0.95 | 1 | 6700 | 21 | 66 |
| ewg water report by zip code | 1.78 | 0.2 | 5175 | 28 | 91 |
| ewg's 2023 | 1.91 | 1 | 1175 | 10 | 98 |
