lithium is a chemical contaminant that is a potential threat to human health.
| WATERPRO INC | 960 µg/L (on 9/19/2023) | UT |
|---|---|---|
| ARIZONA WATER CO - APACHE JUNCTION | 796 µg/L (on 6/3/2024) | AZ |
| AQUA PA WATER CO HONESDALE | 702 µg/L (on 7/18/2023) | PA |
| PHOENIX INTERNATIONAL RACEWAY | 620 µg/L (on 3/22/2023) | AZ |
| BERMUDA WATER COMPANY INC | 580 µg/L (on 7/25/2023) | AZ |
| SANTA ANA WESTSIDE | 540 µg/L (on 3/13/2025) | 06 |
| MESA CITY OF | 525 µg/L (on 9/5/2023) | AZ |
| INDIANOLA WATER SUPPLY | 480 µg/L (on 11/6/2024) | IA |
| CAL AM - OAKHURST | 474 µg/L (on 4/19/2023) | CA |
| CITY OF BUCKEYE - VALENCIA TOWN DIVISION | 468 µg/L (on 5/22/2025) | AZ |
| BERNALILLO WATER SYSTEM | 442 µg/L (on 1/28/2025) | NM |
| VERMILLION | 440 µg/L (on 5/6/2025) | SD |
| WAPELLO RURAL WATER ASSOC. | 420 µg/L (on 8/13/2024) | IA |
| CITY OF WOODWAY | 403 µg/L (on 11/20/2024) | TX |
| RIO RANCHO WATER & WW SERVICES | 393 µg/L (on 1/14/2025) | NM |
| CORALVILLE MUNI WATER SYSTEM | 390 µg/L (on 6/12/2023) | IA |
| PIMA UTILITIES | 381 µg/L (on 12/10/2024) | AZ |
| WEST DES MOINES WATER WORKS | 380 µg/L (on 11/14/2023) | IA |
| MOUNT PLEASANT MUNICIPAL UTILITIES | 370 µg/L (on 9/12/2023) | IA |
| ARIZONA WATER CO - PINAL VALLEY | 353 µg/L (on 2/12/2025) | AZ |
| LAGUNA VALLEY | 343 µg/L (on 2/22/2023) | 06 |
| GOODYEAR WATER DEPARTMENT | 335 µg/L (on 1/24/2024) | AZ |
| LOWER RIO GRANDE PWWA SOUTH VALLEY | 335 µg/L (on 8/19/2024) | NM |
| ANTHONY W&SD | 335 µg/L (on 6/24/2024) | NM |
| WOODRIDGE VILLAGE | 335 µg/L (on 1/23/2024) | NY |
| TRI COUNTY SUD | 325 µg/L (on 10/18/2023) | TX |
| PA AMER WATER CO LAKE SCRANTON | 324 µg/L (on 7/18/2024) | PA |
| FLORENCE WATER COMPANY | 320 µg/L (on 3/5/2024) | AZ |
| PATTERSON VALLEY WC | 309 µg/L (on 3/12/2024) | CO |
| GLOBE CITY OF | 308 µg/L (on 12/6/2023) | AZ |
| CHANDLER CITY OF | 305 µg/L (on 7/17/2023) | AZ |
| ASPC LEWIS COMPLEX WATER SYSTEM | 281 µg/L (on 9/10/2024) | AZ |
| FARMINGTON WATER ASSOCIATION | 280 µg/L (on 5/9/2023) | MS |
| TEMPE CITY OF | 278 µg/L (on 7/11/2024) | AZ |
| SAFFORD CITY OF | 271 µg/L (on 9/4/2024) | AZ |
| GWR - SANTA CRUZ WATER CO. INC. | 263 µg/L (on 11/7/2024) | AZ |
| CITY OF CORINTH, MS | 262 µg/L (on 4/9/2025) | MS |
| GILBERT, TOWN OF | 258 µg/L (on 11/14/2023) | AZ |
| MAGNA WATER DISTRICT | 258 µg/L (on 1/9/2024) | UT |
| CITY OF BUCKEYE SONORA - SUNDANCE | 253 µg/L (on 1/15/2025) | AZ |
| TROY PWS | 251 µg/L (on 3/12/2024) | MO |
| ALTOONA WATER SUPPLY | 250 µg/L (on 9/30/2024) | IA |
| VIRGIN VALLEY WATER DISTRICT | 248 µg/L (on 10/3/2023) | NV |
| AZ Water Co. - White Tanks | 246 µg/L (on 7/24/2023) | AZ |
| SIOUX CITY WATER SUPPLY | 240 µg/L (on 4/16/2024) | IA |
| WALL | 238 µg/L (on 10/16/2023) | SD |
| SOCORRO WATER SYSTEM | 232 µg/L (on 9/3/2024) | NM |
| Salt River Public Works | 231 µg/L (on 3/12/2024) | 09 |
| MONMOUTH | 230 µg/L (on 6/5/2023) | IL |
| Ganado-Burnside-Cornfield-Steamboat NTUA | 230 µg/L (on 12/9/2024) | NN |