perfluorohexanoic acid is a chemical contaminant that is a potential threat to human health.
| EXPERIMENTAL | 0.26 µg/L (on 8/20/2024) | PR |
|---|---|---|
| WIDEFIELD WSD | 0.1406 µg/L (on 11/8/2023) | CO |
| Commonwealth Utilities Corp (Saipan) | 0.1216 µg/L (on 3/15/2024) | MP |
| EMERALD COAST UTILITIES AUTHORITY | 0.1110 µg/L (on 6/29/2023) | FL |
| POTRERO ELEMENTARY SCHOOL | 0.0952 µg/L (on 5/15/2024) | CA |
| TELFORD BOROUGH AUTHORITY | 0.0946 µg/L (on 3/18/2025) | PA |
| CAERNARVON TWP AUTH | 0.0920 µg/L (on 4/14/2025) | PA |
| ARTESIAN WATER COMPANY | 0.0722 µg/L (on 11/4/2024) | DE |
| GREAT BEND, CITY OF | 0.069 µg/L (on 10/11/2023) | KS |
| YESHIVA FARM SETTLEMENT | 0.0690 µg/L (on 10/24/2023) | NY |
| HATFIELD WATER DEPT | 0.0608 µg/L (on 8/5/2024) | MA |
| MDWASA - MAIN SYSTEM | 0.058 µg/L (on 12/20/2023) | FL |
| BAYLEAF MASTER | 0.0573 µg/L (on 12/9/2024) | NC |
| NORTHROP GRUMMAN CORP. | 0.0530 µg/L (on 3/3/2025) | CA |
| NORTH BAY VILLAGE, CITY OF | 0.0529 µg/L (on 12/6/2023) | FL |
| VALLEY UTILITIES WATER COMPANY GLENDALE | 0.052 µg/L (on 4/16/2024) | AZ |
| OTTAWA VILLAGE | 0.0518 µg/L (on 9/24/2024) | OH |
| FOUNTAIN CITY OF | 0.0508 µg/L (on 1/22/2025) | CO |
| SOUTHWOOD WATER SYSTEM | 0.048 µg/L (on 10/21/2024) | WA |
| SUFFOLK COUNTY WATER AUTHORITY | 0.0435 µg/L (on 1/10/2023) | NY |
| STRATMOOR HILLS WSD | 0.042 µg/L (on 4/9/2025) | CO |
| EMMAUS BOROUGH PUBLIC WATER | 0.0415 µg/L (on 8/1/2024) | PA |
| PEWAUKEE CITY WATER AND SEWER UTILITY | 0.040 µg/L (on 12/18/2024) | WI |
| BAL HARBOUR VILLAGE | 0.038 µg/L (on 12/6/2023) | FL |
| GWA NORTHERN WATER SYSTEM | 0.0371 µg/L (on 9/20/2023) | GU |
| PENNSVILLE TWSP. WATER DEPART. | 0.037 µg/L (on 12/19/2023) | NJ |
| HIALEAH, CITY OF | 0.0352 µg/L (on 8/20/2024) | FL |
| GADSDEN WATER WORKS AND SEWER BOARD | 0.0349 µg/L (on 4/2/2024) | AL |
| CITY OF FRESNO | 0.034 µg/L (on 3/20/2023) | CA |
| PAYSON TOWN OF | 0.0334 µg/L (on 11/16/2023) | AZ |
| SIOUX CITY WATER SUPPLY | 0.033 µg/L (on 1/16/2024) | IA |
| CLINTON CITY OF (3010002) | 0.0329 µg/L (on 10/23/2023) | SC |
| SUEZ WATER DELAWARE | 0.0317 µg/L (on 10/26/2023) | DE |
| HIGHLAND WATER AUTHORITY | 0.0309 µg/L (on 5/7/2024) | AL |
| DUXBURY WATER DEPARTMENT | 0.0307 µg/L (on 10/8/2024) | MA |
| IREDELL WATER CORPORATION | 0.0305 µg/L (on 5/20/2024) | NC |
| NORTHEAST ETOWAH COUNTY WATER CO-OP | 0.030 µg/L (on 2/5/2025) | AL |
| CITY OF LANCASTER, PA | 0.0288 µg/L (on 9/5/2024) | PA |
| SHELBY COUNTY WATER SYSTEM | 0.0283 µg/L (on 6/3/2024) | AL |
| MIAMI BEACH, CITY OF | 0.028 µg/L (on 2/5/2024) | FL |
| CANNON AIR FORCE BASE WATER SYSTEM | 0.028 µg/L (on 2/26/2024) | NM |
| BROWNSVILLE WATER DEPT | 0.028 µg/L (on 10/16/2024) | TN |
| SAVANNAH VALLEY U. D. | 0.028 µg/L (on 3/18/2024) | TN |
| RIVERTON, CITY OF | 0.028 µg/L (on 11/6/2023) | WY |
| Shakopee | 0.0278 µg/L (on 1/27/2025) | MN |
| HAWLEY WSC | 0.0271 µg/L (on 1/17/2024) | TX |
| MARSHALL CO BD P.U. #1 | 0.027 µg/L (on 10/30/2023) | TN |
| LAKEWOOD TWP MUA | 0.0262 µg/L (on 1/10/2024) | NJ |
| CITY OF CAMERON | 0.0260 µg/L (on 4/22/2025) | TX |
| WEST ETOWAH WATER & FIRE PRO AUTHORITY | 0.025 µg/L (on 1/29/2024) | AL |