What is PFAS?
Water suppliers
PFAS value per supplier, 2023–2025. EPA limit — 4 ppt (0.004 µg/L) for PFOA and PFOS, set in 2024. Suppliers that detected PFOA or PFOS
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| Supplier | City | Population | PFAS (ug/L) |
|---|---|---|---|
| University of Rhode Island | South Kingstown | 19,354 | 0.0160 µg/L |
| Westerly Water Department | Westerly | 35,298 | 0.0090 µg/L |
| North Kingstown Town of | North Kingstown | 27,732 | 0.0081 µg/L |
| Cumberland, Town of | Cumberland | 21,235 | 0.0077 µg/L |
| Kent County Water Authority | Coventry | 94,107 | 0.0075 µg/L |
| Kingston Water District | South Kingstown | 3,968 | 0.0062 µg/L |
| South Kingstown-South Shore | South Kingstown | 6,170 | 0.0061 µg/L |
| Woonsocket Water Division | Woonsocket | 45,828 | 0.0058 µg/L |
| Narragansett Water Dept-North End | Narragansett | 4,432 | 0.0043 µg/L |
| North Tiverton Fire District | Tiverton | 8,969 | 0.0040 µg/L |
| Providence-City of | Cranston | 333,142 | Not detected |
| Pawtucket Water Supply Board Veolia-Na | Central Falls | 98,130 | Not detected |
| Warwick-City of | Warwick | 73,289 | Not detected |
| Bristol County Water Authority | Barrington | 49,000 | Not detected |
| East Providence-City of | East Providence | 47,618 | Not detected |
| Newport-City of | Middletown | 42,155 | Not detected |
| Veolia Water Wakefield Rhode Island Inc | South Kingstown | 22,347 | Not detected |
| Lincoln Water Commission | Lincoln | 21,664 | Not detected |
| Portsmouth Water & Fire District | Portsmouth | 17,090 | Not detected |
| Cne - New London Turnpike Entry Point | Coventry | 9,999 | Not detected |
| Greenville Water District | Smithfield | 9,500 | Not detected |
| Smithfield Water Supply Board | Smithfield | 9,460 | Not detected |
| Narragansett Water System-Point Judith | Narragansett | 8,210 | Not detected |
| Naval Station, Newport | Newport | 7,870 | Not detected |
| Jamestown Water Department | Jamestown | 3,348 | Not detected |