perfluorobutanesulfonic acid is a chemical contaminant that is a potential threat to human health.
| Calhoun | 0.37 µg/L (on 2/4/2015) | GA |
|---|---|---|
| Rome | 0.33 µg/L (on 11/11/2015) | GA |
| Commonwealth Utilities Corp. (Saipan) | 0.22 µg/L (on 2/22/2015) | MP |
| NEWTON FALLS CITY | 0.22 µg/L (on 1/21/2025) | OH |
| GADSDEN WATER WORKS AND SEWER BOARD | 0.1554 µg/L (on 4/2/2024) | AL |
| Northeast Alabama Water System | 0.15 µg/L (on 2/27/2015) | AL |
| Security WSD | 0.15 µg/L (on 7/31/2014) | CO |
| CHATTOOGA COUNTY | 0.15 µg/L (on 5/8/2024) | GA |
| SAFFORD CITY OF | 0.144 µg/L (on 9/4/2024) | AZ |
| NORTHEAST ETOWAH COUNTY WATER CO-OP | 0.14 µg/L (on 2/5/2025) | AL |
| HIGHLAND WATER AUTHORITY | 0.1343 µg/L (on 5/7/2024) | AL |
| WEST ETOWAH WATER & FIRE PRO AUTHORITY | 0.12 µg/L (on 1/29/2024) | AL |
| Dalton Utilities | 0.12 µg/L (on 12/8/2015) | GA |
| SHELBY COUNTY WATER SYSTEM | 0.1135 µg/L (on 6/3/2024) | AL |
| GLOBE CITY OF | 0.1133 µg/L (on 12/6/2023) | AZ |
| STERRETT-VANDIVER WATER SYSTEM | 0.11 µg/L (on 10/7/2024) | AL |
| Horsham Water & Sewer Authority | 0.11 µg/L (on 6/24/2014) | PA |
| Rainbow City Utilities Board | 0.10 µg/L (on 7/22/2013) | AL |
| PELL CITY WATER WORKS | 0.094 µg/L (on 8/19/2024) | AL |
| ARIZONA WATER CO - PINAL VALLEY | 0.0911 µg/L (on 8/13/2024) | AZ |
| PRATTVILLE (WATER WORKS BOARD OF) | 0.0883 µg/L (on 8/28/2024) | AL |
| ALABASTER WATER BOARD | 0.085 µg/L (on 9/16/2024) | AL |
| WETUMPKA WATER WORKS & SEWER BOARD | 0.082 µg/L (on 8/19/2024) | AL |
| MARBURY WATER SYSTEM, INC. | 0.073 µg/L (on 1/9/2023) | AL |
| TRI COMMUNITY WATER SYSTEM | 0.073 µg/L (on 2/3/2025) | AL |
| CHATSWORTH | 0.072 µg/L (on 1/15/2025) | GA |
| PELHAM WATER WORKS | 0.0643 µg/L (on 12/16/2024) | AL |
| BROOKWOOD COMM WTR SYSTEM | 0.0633 µg/L (on 5/14/2024) | NC |
| HOLTVILLE WATER SYSTEM | 0.062 µg/L (on 3/18/2024) | AL |
| FLORENCE WATER COMPANY | 0.06 µg/L (on 9/5/2023) | AZ |
| MILLBROOK UTILITIES | 0.0598 µg/L (on 1/7/2025) | AL |
| CLANTON WATER DEPARTMENT | 0.058 µg/L (on 5/22/2025) | AL |
| PAYSON TOWN OF | 0.0548 µg/L (on 11/16/2023) | AZ |
| CREST HILL | 0.0521 µg/L (on 6/12/2023) | IL |
| SCUA Upper Seven Mile | 0.0509 µg/L (on 1/7/2025) | 09 |
| SOUTHSIDE WATER WORKS | 0.050 µg/L (on 12/9/2024) | AL |
| SAVANNAH VALLEY U. D. | 0.049 µg/L (on 3/18/2024) | TN |
| LAFAYETTE | 0.044 µg/L (on 4/16/2025) | GA |
| SHREWSBURY BOROUGH | 0.043 µg/L (on 11/20/2023) | PA |
| HESPERIA | 0.042 µg/L (on 1/14/2025) | MI |
| EXPERIMENTAL | 0.042 µg/L (on 8/20/2024) | PR |
| THOMASVILLE WATER WORKS & SEWER BOARD | 0.041 µg/L (on 5/2/2023) | AL |
| OCOEE UTILITY DISTRICT | 0.0410 µg/L (on 7/18/2023) | TN |
| CHICKAMAUGA | 0.0401 µg/L (on 2/14/2024) | GA |
| WILCOX COUNTY WATER AUTHORITY | 0.0400 µg/L (on 1/29/2025) | AL |
| BAYLEAF MASTER | 0.0396 µg/L (on 12/9/2024) | NC |
| TODD CREEK VILLAGE MD | 0.038 µg/L (on 3/1/2023) | CO |
| ARIZONA WATER CO - MIAMI CLAYPOOL | 0.037 µg/L (on 4/15/2025) | AZ |
| BEAVER FALLS MUNI AUTH | 0.0369 µg/L (on 1/17/2024) | PA |
| KINGSTON WATER DISTRICT | 0.0368 µg/L (on 10/21/2024) | RI |