chromium is a chemical contaminant that is a potential threat to human health.
| Moore | 130 µg/L (on 4/9/2014) | OK |
|---|---|---|
| Cape Girardeau | 97.10 µg/L (on 3/19/2013) | MO |
| Santa Margarita Water District | 94 µg/L (on 10/14/2013) | CA |
| Norman | 88.9365 µg/L (on 4/8/2013) | OK |
| AZ Water Company - Apache Junction | 73 µg/L (on 6/18/2013) | AZ |
| Des Plaines MHP | 72 µg/L (on 3/18/2013) | IL |
| Kingman Municipal Water | 69 µg/L (on 5/11/2015) | AZ |
| AZ American Water Co. - Agua Fria | 66.80 µg/L (on 9/10/2013) | AZ |
| City of Tempe | 66 µg/L (on 7/31/2013) | AZ |
| Edmond PWA - Arcadia | 59.90 µg/L (on 7/21/2015) | OK |
| Ramsey Water Department | 58 µg/L (on 10/29/2014) | NJ |
| City of Phoenix | 57.80 µg/L (on 2/12/2014) | AZ |
| Ellensburg Water Department | 55 µg/L (on 10/14/2013) | WA |
| CA American Water Co. - Antelope | 49 µg/L (on 12/12/2013) | CA |
| University of California - Davis | 45 µg/L (on 9/16/2014) | CA |
| City of League City | 42.40 µg/L (on 6/24/2015) | TX |
| Concord Water Department | 41.20 µg/L (on 7/9/2014) | MA |
| City of Davis | 40 µg/L (on 8/13/2014) | CA |
| Montara Water & Sanitary District | 39.6 µg/L (on 1/20/2015) | CA |
| City of Surprise - Mountain Vista | 39 µg/L (on 10/15/2014) | AZ |
| City of Los Banos | 39 µg/L (on 9/9/2015) | CA |
| City of Scottsdale | 38 µg/L (on 8/14/2014) | AZ |
| Soquel Creek Water District | 38 µg/L (on 2/11/2013) | CA |
| Monticello Water Department | 36.90 µg/L (on 3/12/2013) | AR |
| West Jordan City Water System | 36.4930 µg/L (on 10/6/2015) | UT |
| City of Peoria | 34 µg/L (on 1/12/2015) | AZ |
| City of Patterson | 34 µg/L (on 10/23/2013) | CA |
| Pinal Valley Water System | 33 µg/L (on 2/19/2014) | AZ |
| Mustang | 32.50 µg/L (on 4/8/2014) | OK |
| New York City System | 31 µg/L (on 3/31/2016) | NY |
| AZ American Water Co. - Paradise Valley | 30.20 µg/L (on 12/18/2013) | AZ |
| Vaya Chin Intertie | 30 µg/L (on 8/6/2014) | 09 |
| Town of Buckeye Sundance | 30 µg/L (on 8/26/2013) | AZ |
| Horsham Water & Sewer Authority | 30 µg/L (on 12/10/2014) | PA |
| City of Kerman | 29 µg/L (on 6/5/2014) | CA |
| Chesterfield Township | 28.50 µg/L (on 7/9/2014) | MI |
| Goodyear Water Department | 28 µg/L (on 3/18/2015) | AZ |
| City of Arcadia | 27 µg/L (on 9/24/2015) | CA |
| City of Woodland | 27 µg/L (on 4/1/2014) | CA |
| City of Glendale | 26 µg/L (on 6/3/2013) | AZ |
| White City WID | 25.60 µg/L (on 12/12/2013) | UT |
| AZ American Water Co. - Sun City | 24.10 µg/L (on 8/12/2013) | AZ |
| City of Chandler | 23 µg/L (on 8/12/2014) | AZ |
| City of Vacaville | 23 µg/L (on 12/4/2013) | CA |
| German Township Water District, Inc. | 23 µg/L (on 2/9/2016) | IN |
| Valencia Water Co. - Town Division | 22 µg/L (on 4/28/2015) | AZ |
| City of Mesa | 22 µg/L (on 11/6/2013) | AZ |
| City of Newman Water Department | 22 µg/L (on 5/8/2013) | CA |
| Guanica Urbano | 21.4560 µg/L (on 6/22/2013) | PR |
| City of Coachella | 21 µg/L (on 4/3/2014) | CA |