| Orange Co. Util. Div. - Western | .212 µg/L (on 7/9/2018) | FL |
|---|---|---|
| City of Ogdensburg | .082 µg/L (on 10/15/2018) | NY |
| Cullman County Water Department | .08 µg/L (on 10/15/2018) | AL |
| El Paso Water Utilities Public Service B | .066 µg/L (on 10/23/2018) | TX |
| Alexander City Water Department | .052 µg/L (on 6/8/2018) | AL |
| Streamwood | .05 µg/L (on 12/18/2018) | IL |
| Western Pulaski Co. Water District | .0491 µg/L (on 7/13/2020) | KY |
| United Water NY | .048 µg/L (on 12/10/2019) | NY |
| High Springs | .047 µg/L (on 10/7/2019) | FL |
| Allen County Water District | .0437 µg/L (on 10/31/2019) | KY |