| City of Rogers | 99.3 µg/L (on 3/2/2020) | TX |
|---|---|---|
| City of Alice | 99.27 µg/L (on 4/26/2018) | TX |
| West Wise SUD | 86.8 µg/L (on 9/16/2019) | TX |
| City of Lemoore | 83.7 µg/L (on 6/19/2018) | CA |
| City of Titusville | 83.5 µg/L (on 3/14/2019) | FL |
| Brownsville Public Utilities Board | 71.53 µg/L (on 11/13/2018) | TX |
| Santana | 69.75 µg/L (on 9/10/2019) | PR |
| City of Marco Island Utilities | 68.7 µg/L (on 9/12/2019) | FL |
| Ak Chin Village | 67.5 µg/L (on 9/11/2018) | 09 |
| Oklahoma State Univ. Water Plant | 66.721 µg/L (on 7/10/2018) | OK |