o-toluidine is a chemical contaminant that is a potential threat to human health.
| Truckee Meadows Water Authority | .38 µg/L (on 5/15/2018) | NV |
|---|---|---|
| Bountiful City Water | .15 µg/L (on 4/23/2019) | UT |
| City of Petaluma | .13 µg/L (on 5/9/2018) | CA |
| Cape May Water & Sewer Utility | .119 µg/L (on 1/13/2020) | NJ |
| Moore | .09752 µg/L (on 9/11/2019) | OK |
| Wentzville | .093 µg/L (on 3/4/2019) | MO |
| City of Gilroy | .071 µg/L (on 5/15/2019) | CA |
| Roxbury Water Co. | .0688 µg/L (on 11/5/2018) | NJ |
| Kalamazoo | .0562 µg/L (on 11/19/2018) | MI |
| Canton | .039 µg/L (on 6/12/2019) | GA |
| CA American Water Co. - Antelope | .037 µg/L (on 10/10/2019) | CA |
| City of Kerman | .036 µg/L (on 3/13/2019) | CA |
| City of Merced | .034 µg/L (on 5/15/2018) | CA |
| Benbrook Water Authority | .034 µg/L (on 8/21/2018) | TX |
| City of Tucson | .031 µg/L (on 3/12/2019) | AZ |
| City of Pearl | .031 µg/L (on 2/11/2019) | MS |
| Deptford Twp. MUA | .029 µg/L (on 11/13/2019) | NJ |
| Hesperia Water District | .028 µg/L (on 2/27/2019) | CA |
| Knoxville Utilities Board | .026 µg/L (on 1/13/2020) | TN |
| City of Sachse | .026 µg/L (on 5/20/2020) | TX |
| Granger-Hunter Improvement District | .026 µg/L (on 10/22/2019) | UT |
| City of Friendswood | .025 µg/L (on 9/26/2018) | TX |
| Vestal Consolidated Water District #1 | .0247 µg/L (on 9/25/2019) | NY |
| Wallkill Consolidated Water District | .024 µg/L (on 8/19/2020) | NY |
| Northeast Knox Utility District | .024 µg/L (on 8/20/2019) | TN |
| West Sound Utility District #1 | .024 µg/L (on 9/25/2019) | WA |
| 1st Utility District of Hawkins Co. | .021 µg/L (on 4/27/2020) | TN |
| Wellesley Water Division | .0207 µg/L (on 7/29/2020) | MA |
| Flowing Wells Irrigation District | .0206 µg/L (on 7/2/2018) | AZ |
| South Ogden City Water | .02 µg/L (on 9/4/2018) | UT |
| City of Idaho Falls | .0182 µg/L (on 10/16/2019) | ID |
| Cedar City Waterworks | .018 µg/L (on 4/17/2019) | UT |
| City of Lehi | .0176 µg/L (on 10/15/2018) | UT |
| Burlington Municipal Waterworks | .017 µg/L (on 6/11/2019) | IA |
| Yankton | .017 µg/L (on 6/11/2018) | SD |
| City of Chandler | .016 µg/L (on 4/16/2019) | AZ |
| South Elgin | .016 µg/L (on 6/25/2019) | IL |
| Pechanga | .015 µg/L (on 11/7/2018) | 09 |
| Clive Water Department | .015 µg/L (on 6/3/2019) | IA |
| Big Sandy Water District | .015 µg/L (on 11/4/2019) | KY |
| Johnston Municipal Water Supply | .014 µg/L (on 5/27/2020) | IA |
| Draper City Water | .014 µg/L (on 11/19/2018) | UT |
| SIRWA #2 | .013 µg/L (on 6/10/2019) | IA |
| Pembroke DPW Water Division | .013 µg/L (on 12/17/2018) | MA |
| Pinon Community BIA Dormitory School | .013 µg/L (on 7/6/2020) | NN |
| Summit | .012 µg/L (on 6/26/2019) | IL |
| City of Houston | .0112 µg/L (on 10/2/2019) | TX |
| EPCOR Water - Mohave | .0111 µg/L (on 9/22/2020) | AZ |
| Des Moines Waterworks | .011 µg/L (on 5/26/2020) | IA |
| St. Charles Co. PWSD #2 | .011 µg/L (on 3/25/2019) | MO |