chlorate is a chemical contaminant that is a potential threat to human health.
| Cliffdale West | 22000 µg/L (on 3/31/2014) | NC |
|---|---|---|
| Harris County WCID #36 | 13600 µg/L (on 11/5/2013) | TX |
| City of McFarland | 12000 µg/L (on 3/11/2014) | CA |
| Danvers Water Department | 11000 µg/L (on 5/27/2014) | MA |
| Southwest Interconnect | 9540.5340 µg/L (on 9/16/2013) | FL |
| Halifax Plantation | 7207.568 µg/L (on 9/22/2015) | FL |
| Alco Water Service | 6900 µg/L (on 12/23/2014) | CA |
| Savage | 6530 µg/L (on 7/17/2014) | MN |
| Lake Utility Services, Inc. - North | 6400 µg/L (on 8/26/2014) | FL |
| Willingboro MUA | 5755.73 µg/L (on 6/24/2014) | NJ |
| Lindenhurst | 4620 µg/L (on 6/11/2014) | IL |
| New Mexico State University | 4512 µg/L (on 3/10/2015) | NM |
| Windermere Community | 4510 µg/L (on 2/24/2015) | TX |
| Saint Mary's | 4430 µg/L (on 9/18/2014) | GA |
| Portage | 4256.1450 µg/L (on 4/16/2013) | MI |
| Southern Utilities | 4080 µg/L (on 8/27/2013) | TX |
| Bayleaf Master | 4000 µg/L (on 9/22/2014) | NC |
| Polk County Utilities - Northwest | 3759.6060 µg/L (on 9/14/2013) | FL |
| Gettysburg Municipal Authority | 3730 µg/L (on 3/10/2015) | PA |
| Pennsville Township Water Department | 3519.1740 µg/L (on 6/29/2015) | NJ |
| Georgia-Pacific CPLP Wauna | 3472.288 µg/L (on 10/19/2015) | OR |
| South Topsail Elem. School | 3300 µg/L (on 9/25/2013) | NC |
| City of Bonham | 3242.4930 µg/L (on 9/17/2013) | TX |
| City of Lemoore | 3100 µg/L (on 9/17/2014) | CA |
| Paso Robles Water Department | 3100 µg/L (on 11/3/2014) | CA |
| Ruidoso Water System | 3000 µg/L (on 10/14/2015) | NM |
| Portland Water Bureau | 3000 µg/L (on 7/8/2014) | OR |
| Westside Rural WSC | 3000 µg/L (on 8/21/2013) | TX |
| Guayanilla Urbano | 2915 µg/L (on 12/17/2015) | PR |
| Scranton Water System | 2900 µg/L (on 9/23/2015) | IA |
| Oak Shores Water System | 2900 µg/L (on 9/12/2013) | TX |
| Fernwood | 2800 µg/L (on 9/23/2015) | PA |
| Freeburg | 2796.875 µg/L (on 8/27/2013) | IL |
| Fruitridge Vista Water Company | 2700 µg/L (on 8/5/2015) | CA |
| Sunny Isle Shopping Center | 2700 µg/L (on 5/15/2013) | VI |
| Glendale Master System | 2684.593 µg/L (on 1/14/2013) | NC |
| Low Mesa WUA | 2630 µg/L (on 11/12/2014) | NM |
| Northeast Alabama Water System | 2600 µg/L (on 9/15/2014) | AL |
| Mount Laurel Township MUA | 2536.2180 µg/L (on 5/7/2014) | NJ |
| Polk County Utilities - Southwest | 2532.5230 µg/L (on 9/15/2013) | FL |
| Indian Wells Valley WD | 2500 µg/L (on 10/15/2015) | CA |
| Elsinore Valley Municipal Water District | 2500 µg/L (on 9/19/2013) | CA |
| Sacramento Suburban Water District | 2500 µg/L (on 2/5/2015) | CA |
| Deltona Water | 2440 µg/L (on 3/19/2015) | FL |
| Littleton Water & Light Dept. | 2415.59 µg/L (on 8/20/2014) | NH |
| Atkinson | 2410.014 µg/L (on 9/24/2014) | IL |
| City of Clovis | 2400 µg/L (on 9/4/2014) | CA |
| City of Arvada | 2400 µg/L (on 4/21/2014) | CO |
| Winter Haven Water Department | 2400 µg/L (on 5/27/2014) | FL |
| CA American Water Co. - Antelope | 2380 µg/L (on 8/13/2013) | CA |