PFAS en el agua potable de Massachusetts
Esta página reúne las detecciones de PFAS reportadas por sistemas públicos de agua en Massachusetts bajo el Unregulated Contaminant Monitoring Rule (UCMR) del EPA. Los datos solo cubren los sistemas del estado que participaron en la ronda UCMR correspondiente.
El sitio reporta los registros tal como EPA los publica. Cuando un compuesto tiene un proposed MCL, las detecciones que superan ese nivel se contabilizan en la página de cada compuesto. Aquí mostramos el conteo por compuesto en el estado y la lista de detecciones individuales con el nivel original.
Resumen
| Métrica | Valor |
|---|---|
| Detecciones registradas | 1,070 |
| Sistemas con detecciones | 97 |
| Compuestos detectados | 11 |
Compuestos detectados
| Compuesto | Detecciones |
|---|---|
| PFOA | 231 |
| PFPeA | 219 |
| PFHxA | 205 |
| PFBS | 141 |
| PFOS | 123 |
| PFBA | 69 |
| PFHpA | 39 |
| PFHxS | 38 |
| PFHpS | 2 |
| 6:2 FTS | 2 |
| 4:2 FTS | 1 |
Detecciones
| Sistema | Compuesto | Nivel | Unidad | Fecha |
|---|---|---|---|---|
| Medway Water Department | PFOA | 5.5 | ng/L | 2025-11-04 |
| Medway Water Department | PFOA | 5.9 | ng/L | 2025-11-04 |
| Medway Water Department | PFPEA | 3.2 | ng/L | 2025-11-04 |
| Peabody Water Dept. | PFOA | 7 | ng/L | 2025-10-06 |
| Peabody Water Dept. | PFHXA | 4.1 | ng/L | 2025-10-06 |
| Peabody Water Dept. | PFBS | 3 | ng/L | 2025-10-06 |
| Peabody Water Dept. | PFPEA | 4.3 | ng/L | 2025-10-06 |
| Peabody Water Dept. | PFBS | 3.2 | ng/L | 2025-10-06 |
| Peabody Water Dept. | PFPEA | 4.9 | ng/L | 2025-10-06 |
| Peabody Water Dept. | PFHXA | 4.8 | ng/L | 2025-10-06 |
| Peabody Water Dept. | PFOA | 6.2 | ng/L | 2025-10-06 |
| Andover Water Dept | PFPEA | 4 | ng/L | 2025-10-01 |
| Wilmington Water Dept | PFBA | 8.8 | ng/L | 2025-10-01 |
| Wilmington Water Dept | PFPEA | 3 | ng/L | 2025-10-01 |
| Centerville Osterville Marstons Mills WD | PFBS | 3.7 | ng/L | 2025-10-01 |
| Centerville Osterville Marstons Mills WD | PFHXA | 4.8 | ng/L | 2025-10-01 |
| Centerville Osterville Marstons Mills WD | PFPEA | 7.5 | ng/L | 2025-10-01 |
| Mansfield Water Division | PFOS | 6.2 | ng/L | 2025-09-17 |
| Mansfield Water Division | PFHXS | 3.1 | ng/L | 2025-09-17 |
| Mansfield Water Division | PFOA | 4.3 | ng/L | 2025-09-17 |
| Mansfield Water Division | PFBS | 3.8 | ng/L | 2025-09-17 |
| Ware Water Dept | PFOS | 5.7 | ng/L | 2025-09-10 |
| Auburn Water District | PFOA | 5.3 | ng/L | 2025-09-10 |
| Auburn Water District | PFOA | 4.3 | ng/L | 2025-09-10 |
| Auburn Water District | PFOS | 4.7 | ng/L | 2025-09-10 |
| Holliston Water Department | PFHXA | 3.5 | ng/L | 2025-09-10 |
| Holliston Water Department | PFOA | 5.3 | ng/L | 2025-09-10 |
| Holliston Water Department | PFBS | 3.7 | ng/L | 2025-09-10 |
| Holliston Water Department | PFPEA | 3.3 | ng/L | 2025-09-10 |
| Holliston Water Department | PFBS | 3.9 | ng/L | 2025-09-10 |
| Holliston Water Department | PFOA | 4.4 | ng/L | 2025-09-10 |
| Holliston Water Department | PFOS | 6.5 | ng/L | 2025-09-10 |
| Auburn Water District | PFOS | 4.3 | ng/L | 2025-09-04 |
| Auburn Water District | PFOA | 4.8 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFBS | 3.1 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFOS | 4.8 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFOA | 7.3 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFHXA | 4.3 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFPEA | 3.4 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFOS | 4.1 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFOA | 5.1 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFOS | 6.3 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFOA | 5.9 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFOA | 5.9 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFHXA | 5 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFBS | 3.2 | ng/L | 2025-09-04 |
| Stoughton Water Department | PFPEA | 3.9 | ng/L | 2025-09-04 |
| Auburn Water District | PFOS | 4.1 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFOS | 4.1 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFOA | 4.9 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFBS | 4.5 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFHXA | 4 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFOA | 6.3 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFOS | 6.7 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFPEA | 3.7 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFBS | 4.6 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFOA | 5 | ng/L | 2025-09-03 |
| Foxboro Water Department | PFOS | 4.8 | ng/L | 2025-09-03 |
| Holbrook Public Works Dept | PFHPA | 3 | ng/L | 2025-08-25 |
| Holbrook Public Works Dept | PFOS | 10 | ng/L | 2025-08-25 |
| Holbrook Public Works Dept | PFOA | 7 | ng/L | 2025-08-25 |
| Holbrook Public Works Dept | PFHXA | 5 | ng/L | 2025-08-25 |
| Holbrook Public Works Dept | PFBA | 10 | ng/L | 2025-08-25 |
| Holbrook Public Works Dept | PFPEA | 5 | ng/L | 2025-08-25 |
| Holbrook Public Works Dept | PFBS | 3 | ng/L | 2025-08-25 |
| Grafton Water District | PFOS | 5.8 | ng/L | 2025-08-20 |
| Grafton Water District | PFOA | 6.1 | ng/L | 2025-08-20 |
| Grafton Water District | PFBS | 3.1 | ng/L | 2025-08-20 |
| Grafton Water District | PFOA | 4.1 | ng/L | 2025-08-20 |
| Grafton Water District | PFOS | 5.2 | ng/L | 2025-08-20 |
| Grafton Water District | PFBS | 3 | ng/L | 2025-08-20 |
| Grafton Water District | PFHXA | 3.6 | ng/L | 2025-08-20 |
| Grafton Water District | PFOA | 6.4 | ng/L | 2025-08-20 |
| Grafton Water District | PFOS | 5.5 | ng/L | 2025-08-20 |
| Grafton Water District | PFBS | 3.1 | ng/L | 2025-08-20 |
| Grafton Water District | PFPEA | 3.5 | ng/L | 2025-08-20 |
| Hopkinton Water Department | PFBA | 6.2 | ng/L | 2025-08-18 |
| Hopkinton Water Department | PFBS | 3.5 | ng/L | 2025-08-18 |
| Hopkinton Water Department | PFHXA | 4.6 | ng/L | 2025-08-18 |
| Hopkinton Water Department | PFBS | 3.8 | ng/L | 2025-08-18 |
| Hopkinton Water Department | PFOA | 7.2 | ng/L | 2025-08-18 |
| Hopkinton Water Department | PFPEA | 5.8 | ng/L | 2025-08-18 |
| Weir River Water System | PFHXA | 3 | ng/L | 2025-08-18 |
| Weir River Water System | PFOA | 6.4 | ng/L | 2025-08-18 |
| Weir River Water System | PFPEA | 3.2 | ng/L | 2025-08-18 |
| Weir River Water System | PFBA | 5.7 | ng/L | 2025-08-18 |
| Weir River Water System | PFPEA | 4.3 | ng/L | 2025-08-18 |
| Weir River Water System | PFHXA | 4.3 | ng/L | 2025-08-18 |
| Weir River Water System | PFOA | 5.6 | ng/L | 2025-08-18 |
| Centerville Osterville Marstons Mills WD | PFPEA | 4.3 | ng/L | 2025-08-11 |
| Centerville Osterville Marstons Mills WD | PFOA | 4.8 | ng/L | 2025-08-11 |
| Centerville Osterville Marstons Mills WD | PFHXA | 5.3 | ng/L | 2025-08-11 |
| Centerville Osterville Marstons Mills WD | PFPEA | 3.1 | ng/L | 2025-08-11 |
| Centerville Osterville Marstons Mills WD | PFHXA | 3 | ng/L | 2025-08-11 |
| Centerville Osterville Marstons Mills WD | PFOA | 4.5 | ng/L | 2025-08-11 |
| Centerville Osterville Marstons Mills WD | PFBS | 4 | ng/L | 2025-08-11 |
| Centerville Osterville Marstons Mills WD | PFPEA | 4 | ng/L | 2025-08-11 |
| Centerville Osterville Marstons Mills WD | PFHXA | 4.4 | ng/L | 2025-08-11 |
| East Bridgewater Water Dept | PFPEA | 3.6 | ng/L | 2025-08-11 |
| East Bridgewater Water Dept | PFHXA | 3.9 | ng/L | 2025-08-11 |
| East Bridgewater Water Dept | PFOA | 5.1 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFHXS | 3.2 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFHXA | 58.8 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFBS | 18.2 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFOA | 92 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFHPA | 29.4 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFBA | 22.6 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFPEA | 36.3 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFPEA | 3.2 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFBS | 4.3 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFOA | 4.6 | ng/L | 2025-08-11 |
| Raynham Center Water District | PFHXA | 4.4 | ng/L | 2025-08-11 |
| Billerica Water Works | PFPEA | 8 | ng/L | 2025-08-07 |
| Billerica Water Works | PFBS | 3.1 | ng/L | 2025-08-07 |
| Billerica Water Works | PFOA | 5.5 | ng/L | 2025-08-07 |
| Billerica Water Works | PFHXA | 6.1 | ng/L | 2025-08-07 |
| Billerica Water Works | PFBA | 5.5 | ng/L | 2025-08-07 |
| Wilmington Water Dept | PFBA | 7.9 | ng/L | 2025-08-04 |
| Yarmouth Water Department | PFPEA | 4.1 | ng/L | 2025-07-29 |
| Yarmouth Water Department | PFHXA | 3.2 | ng/L | 2025-07-29 |
| Yarmouth Water Department | PFPEA | 59.4 | ng/L | 2025-07-24 |
| Yarmouth Water Department | PFHPA | 7.7 | ng/L | 2025-07-24 |
| Yarmouth Water Department | PFHXA | 40.6 | ng/L | 2025-07-24 |
| Yarmouth Water Department | PFBA | 12.7 | ng/L | 2025-07-24 |
| Yarmouth Water Department | PFHXA | 3 | ng/L | 2025-07-24 |
| Yarmouth Water Department | PFHXS | 3.1 | ng/L | 2025-07-24 |
| Wellesley Water Division | PFOA | 6.2 | ng/L | 2025-07-23 |
| Wellesley Water Division | PFBS | 5.3 | ng/L | 2025-07-23 |
| Wellesley Water Division | PFOS | 6.6 | ng/L | 2025-07-23 |
| Wellesley Water Division | PFPEA | 3.1 | ng/L | 2025-07-23 |
| Wellesley Water Division | PFHXA | 3.3 | ng/L | 2025-07-23 |
| Wellesley Water Division | PFBS | 3.1 | ng/L | 2025-07-23 |
| Wellesley Water Division | PFOA | 4.7 | ng/L | 2025-07-23 |
| Wellesley Water Division | PFBA | 5.2 | ng/L | 2025-07-23 |
| Wellesley Water Division | PFPEA | 4.3 | ng/L | 2025-07-23 |
| Wellesley Water Division | PFHXA | 3.6 | ng/L | 2025-07-23 |
| Yarmouth Water Department | PFHXA | 5 | ng/L | 2025-07-23 |
| Yarmouth Water Department | PFPEA | 4 | ng/L | 2025-07-23 |
| Woburn Water Dept. | PFPEA | 3.8 | ng/L | 2025-07-22 |
| Woburn Water Dept. | PFHXA | 3.7 | ng/L | 2025-07-22 |
| Woburn Water Dept. | PFBA | 7 | ng/L | 2025-07-22 |
| Woburn Water Dept. | PFOA | 8.4 | ng/L | 2025-07-22 |
| Woburn Water Dept. | PFOS | 6.9 | ng/L | 2025-07-22 |
| Woburn Water Dept. | PFBS | 3.8 | ng/L | 2025-07-22 |
| Dedham Westwood Water Dist. | PFOS | 5.1 | ng/L | 2025-07-15 |
| Dedham Westwood Water Dist. | PFPEA | 3.9 | ng/L | 2025-07-15 |
| Dedham Westwood Water Dist. | PFOA | 6 | ng/L | 2025-07-15 |
| Dedham Westwood Water Dist. | PFOA | 4.7 | ng/L | 2025-07-15 |
| Peabody Water Dept. | PFHXA | 3.9 | ng/L | 2025-07-08 |
| Peabody Water Dept. | PFPEA | 3.8 | ng/L | 2025-07-08 |
| Peabody Water Dept. | PFOA | 6.5 | ng/L | 2025-07-08 |
| Peabody Water Dept. | PFPEA | 4.6 | ng/L | 2025-07-08 |
| Peabody Water Dept. | PFOA | 6.5 | ng/L | 2025-07-08 |
| Peabody Water Dept. | PFBA | 5.5 | ng/L | 2025-07-08 |
| Peabody Water Dept. | PFHXA | 4.5 | ng/L | 2025-07-08 |
| Franklin Water Department | PFHXS | 5.4 | ng/L | 2025-06-17 |
| Natick Water and Sewer Division | PFHXS | 4 | ng/L | 2025-06-11 |
| Natick Water and Sewer Division | PFOA | 9.7 | ng/L | 2025-06-11 |
| Natick Water and Sewer Division | PFOS | 27.1 | ng/L | 2025-06-11 |
| Natick Water and Sewer Division | PFBS | 3 | ng/L | 2025-06-11 |
| Natick Water and Sewer Division | PFBS | 3 | ng/L | 2025-06-11 |
| Natick Water and Sewer Division | PFOS | 4 | ng/L | 2025-06-11 |
| Natick Water and Sewer Division | PFOA | 4.2 | ng/L | 2025-06-11 |
| Natick Water and Sewer Division | PFBS | 3.6 | ng/L | 2025-06-11 |
| Auburn Water District | PFOA | 4.3 | ng/L | 2025-06-09 |
| Sudbury Water District | PFPEA | 5 | ng/L | 2025-06-06 |
| Sudbury Water District | PFHXA | 5 | ng/L | 2025-06-06 |
| Sudbury Water District | PFOA | 8 | ng/L | 2025-06-06 |
| Sudbury Water District | PFBS | 4 | ng/L | 2025-06-06 |
| Sudbury Water District | PFHXA | 5 | ng/L | 2025-06-06 |
| Sudbury Water District | PFOA | 7 | ng/L | 2025-06-06 |
| Sudbury Water District | PFBS | 4 | ng/L | 2025-06-06 |
| Sudbury Water District | PFPEA | 4 | ng/L | 2025-06-06 |
| Sudbury Water District | PFBA | 5 | ng/L | 2025-06-06 |
| Sudbury Water District | PFHXA | 6 | ng/L | 2025-06-06 |
| Sudbury Water District | PFHPA | 3 | ng/L | 2025-06-06 |
| Sudbury Water District | PFOA | 9 | ng/L | 2025-06-06 |
| Sudbury Water District | PFBS | 3 | ng/L | 2025-06-06 |
| Sudbury Water District | PFPEA | 5 | ng/L | 2025-06-06 |
| Attleboro Water Dept | PFHXA | 4.3 | ng/L | 2025-06-03 |
| Attleboro Water Dept | PFPEA | 4.4 | ng/L | 2025-06-03 |
| Attleboro Water Dept | PFOS | 12 | ng/L | 2025-06-03 |
| Attleboro Water Dept | PFOA | 6.6 | ng/L | 2025-06-03 |
| Middleborough Water Supply | PFHPA | 4 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFHXS | 3 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFOS | 4 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFHXA | 10 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFPEA | 13 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFBA | 5 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFOA | 11 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFHXA | 4 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFPEA | 4 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFBS | 4 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFOS | 5 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFOA | 10 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFBS | 5 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFOA | 5 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFHXA | 3 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFBS | 4 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFOA | 4 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFHXA | 4 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFOS | 4 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFBS | 3 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFOA | 7 | ng/L | 2025-06-02 |
| Middleborough Water Supply | PFPEA | 3 | ng/L | 2025-06-02 |
| Centerville Osterville Marstons Mills WD | PFPEA | 4.3 | ng/L | 2025-05-21 |
| Weir River Water System | PFHXA | 3.8 | ng/L | 2025-05-21 |
| Weir River Water System | PFOA | 5 | ng/L | 2025-05-21 |
| Weir River Water System | PFBS | 3.3 | ng/L | 2025-05-21 |
| Weir River Water System | PFPEA | 3.5 | ng/L | 2025-05-21 |
| Sharon Water Dept | PFHXA | 5.2 | ng/L | 2025-05-21 |
| Sharon Water Dept | PFOA | 6.8 | ng/L | 2025-05-21 |
| Sharon Water Dept | PFBS | 4.7 | ng/L | 2025-05-21 |
| Sharon Water Dept | PFPEA | 3.3 | ng/L | 2025-05-21 |
| Sharon Water Dept | PFPEA | 7.2 | ng/L | 2025-05-21 |
| Sharon Water Dept | PFHXS | 12 | ng/L | 2025-05-21 |
| Sharon Water Dept | PFHXA | 3.3 | ng/L | 2025-05-21 |
| Sharon Water Dept | PFOA | 5.6 | ng/L | 2025-05-21 |
| Sharon Water Dept | PFOS | 7.6 | ng/L | 2025-05-21 |
| Westfield Dpwwater Division | PFBA | 5.5 | ng/L | 2025-04-28 |
| Holbrook Public Works Dept | PFHXA | 3.5 | ng/L | 2025-04-28 |
| Holbrook Public Works Dept | PFOS | 6.8 | ng/L | 2025-04-28 |
| Holbrook Public Works Dept | PFOA | 5.1 | ng/L | 2025-04-28 |
| Holbrook Public Works Dept | PFPEA | 3.7 | ng/L | 2025-04-28 |
| Wakefield Water Dept | PFPEA | 3.2 | ng/L | 2025-04-16 |
| Holliston Water Department | PFHXA | 3.4 | ng/L | 2025-04-15 |
| Holliston Water Department | PFOA | 4.9 | ng/L | 2025-04-15 |
| Holliston Water Department | PFBS | 3.5 | ng/L | 2025-04-15 |
| Holliston Water Department | PFOS | 5.3 | ng/L | 2025-04-15 |
| Holliston Water Department | PFOA | 4.4 | ng/L | 2025-04-15 |
| Holliston Water Department | PFBS | 3.1 | ng/L | 2025-04-15 |
| Franklin Water Department | PFBS | 3.7 | ng/L | 2025-04-08 |
| Franklin Water Department | PFBS | 3.1 | ng/L | 2025-04-08 |
| Franklin Water Department | PFOA | 4.1 | ng/L | 2025-04-08 |
| Medway Water Department | PFPEA | 3.8 | ng/L | 2025-04-08 |
| Medway Water Department | PFBS | 3 | ng/L | 2025-04-08 |
| Medway Water Department | PFOA | 7.2 | ng/L | 2025-04-08 |
| Medway Water Department | PFHXA | 3.1 | ng/L | 2025-04-08 |
| Medway Water Department | PFOA | 4.7 | ng/L | 2025-04-08 |
| Peabody Water Dept. | PFOA | 5.6 | ng/L | 2025-04-08 |
| Peabody Water Dept. | PFHXA | 3.6 | ng/L | 2025-04-08 |
| Peabody Water Dept. | PFPEA | 3.9 | ng/L | 2025-04-08 |
| Peabody Water Dept. | PFOA | 5.7 | ng/L | 2025-04-08 |
| Peabody Water Dept. | PFHXA | 4.6 | ng/L | 2025-04-08 |
| Peabody Water Dept. | PFPEA | 4.8 | ng/L | 2025-04-08 |
| Peabody Water Dept. | PFBA | 5.5 | ng/L | 2025-04-08 |
| Mansfield Water Division | PFBS | 3.1 | ng/L | 2025-03-31 |
| Bellingham DPW Water Sewer Division | PFBS | 3.4 | ng/L | 2025-03-28 |
| Auburn Water District | PFPEA | 3.8 | ng/L | 2025-03-12 |
| Auburn Water District | PFOA | 5.7 | ng/L | 2025-03-12 |
| Auburn Water District | PFOS | 4 | ng/L | 2025-03-12 |
| Auburn Water District | PFHXA | 3.1 | ng/L | 2025-03-12 |
| East Bridgewater Water Dept | PFPEA | 3 | ng/L | 2025-03-12 |
| East Bridgewater Water Dept | PFHXA | 3.2 | ng/L | 2025-03-12 |
| East Bridgewater Water Dept | PFOA | 4.8 | ng/L | 2025-03-12 |
| Auburn Water District | PFOA | 4.2 | ng/L | 2025-03-10 |
| Ware Water Dept | PFHXA | 4.8 | ng/L | 2025-03-04 |
| Ware Water Dept | PFOS | 7.1 | ng/L | 2025-03-04 |
| Ware Water Dept | PFOA | 4.9 | ng/L | 2025-03-04 |
| Ware Water Dept | PFPEA | 4.7 | ng/L | 2025-03-04 |
| Attleboro Water Dept | PFOA | 5 | ng/L | 2025-03-03 |
| Attleboro Water Dept | PFOS | 6.9 | ng/L | 2025-03-03 |
| Raynham Center Water District | PFHXA | 4.4 | ng/L | 2025-02-20 |
| Raynham Center Water District | PFOA | 5.3 | ng/L | 2025-02-20 |
| Raynham Center Water District | PFBS | 3.4 | ng/L | 2025-02-20 |
| Raynham Center Water District | PFHXA | 4.3 | ng/L | 2025-02-20 |
| Raynham Center Water District | PFPEA | 3.2 | ng/L | 2025-02-20 |
| Centerville Osterville Marstons Mills WD | PFPEA | 5.4 | ng/L | 2025-02-19 |
| Centerville Osterville Marstons Mills WD | PFOA | 4.9 | ng/L | 2025-02-19 |
| Centerville Osterville Marstons Mills WD | PFHXA | 6.9 | ng/L | 2025-02-19 |
| Centerville Osterville Marstons Mills WD | PFHXA | 3 | ng/L | 2025-02-19 |
| Centerville Osterville Marstons Mills WD | PFBS | 3.1 | ng/L | 2025-02-19 |
| Centerville Osterville Marstons Mills WD | PFHXS | 3.1 | ng/L | 2025-02-19 |
| Centerville Osterville Marstons Mills WD | PFPEA | 3.5 | ng/L | 2025-02-19 |
| Centerville Osterville Marstons Mills WD | PFHXA | 3.8 | ng/L | 2025-02-19 |
| Centerville Osterville Marstons Mills WD | PFHXS | 3 | ng/L | 2025-02-19 |
| Milford Water Department | PFPEA | 3.2 | ng/L | 2025-02-12 |
| Milford Water Department | PFBS | 3.6 | ng/L | 2025-02-12 |
| Milford Water Department | PFOS | 6.6 | ng/L | 2025-02-12 |
| Milford Water Department | PFOA | 7.1 | ng/L | 2025-02-12 |
| Milford Water Department | PFHXA | 3 | ng/L | 2025-02-12 |
| Hopkinton Water Department | PFBS | 5.5 | ng/L | 2025-02-11 |
| Hopkinton Water Department | PFHXA | 3.4 | ng/L | 2025-02-11 |
| Hopkinton Water Department | PFOA | 4 | ng/L | 2025-02-11 |
| Hopkinton Water Department | PFOA | 6.1 | ng/L | 2025-02-11 |
| Hopkinton Water Department | PFHXA | 3.4 | ng/L | 2025-02-11 |
| Hopkinton Water Department | PFPEA | 3.8 | ng/L | 2025-02-11 |
| Hopkinton Water Department | PFBS | 3.3 | ng/L | 2025-02-11 |
| Foxboro Water Department | PFOS | 4.4 | ng/L | 2025-02-11 |
| Foxboro Water Department | PFOA | 5.3 | ng/L | 2025-02-11 |
| Foxboro Water Department | PFOA | 5.3 | ng/L | 2025-02-11 |
| Foxboro Water Department | PFOS | 6.1 | ng/L | 2025-02-11 |
| Foxboro Water Department | PFBS | 4.1 | ng/L | 2025-02-11 |
| Foxboro Water Department | PFOS | 4.2 | ng/L | 2025-02-11 |
| Foxboro Water Department | PFBS | 3.6 | ng/L | 2025-02-11 |
| Abington/Rockland Joint Wtr. Works | PFBA | 6 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFHXA | 3 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFOA | 4 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFPEA | 3 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFPEA | 30 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFBS | 3 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFHXS | 4 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFOS | 7 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFOA | 12 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFHXA | 17 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFBA | 18 | ng/L | 2025-02-06 |
| Abington/Rockland Joint Wtr. Works | PFHPA | 7 | ng/L | 2025-02-06 |
| Billerica Water Works | PFPEA | 4 | ng/L | 2025-02-05 |
| Billerica Water Works | PFHXA | 4 | ng/L | 2025-02-05 |
| Dracut Water Supply District | PFBS | 3.7 | ng/L | 2025-02-05 |
| Dracut Water Supply District | PFOA | 4.7 | ng/L | 2025-02-05 |
| Dracut Water Supply District | PFBS | 10.1 | ng/L | 2025-02-05 |
| Dracut Water Supply District | PFOA | 4.7 | ng/L | 2025-02-05 |
| Uxbridge DPW, Water Division | PFBS | 3.8 | ng/L | 2025-02-03 |
| Uxbridge DPW, Water Division | PFHXS | 3.4 | ng/L | 2025-02-03 |
| Uxbridge DPW, Water Division | PFOS | 6.7 | ng/L | 2025-02-03 |
| Marshfield Water Department | PFBS | 3.9 | ng/L | 2025-01-29 |
| Marshfield Water Department | PFPEA | 13.2 | ng/L | 2025-01-29 |
| Marshfield Water Department | PFBA | 5.7 | ng/L | 2025-01-29 |
| Marshfield Water Department | PFHPA | 3 | ng/L | 2025-01-29 |
| Marshfield Water Department | PFHXA | 10.4 | ng/L | 2025-01-29 |
| Marshfield Water Department | PFOA | 6.8 | ng/L | 2025-01-29 |
| Marshfield Water Department | PFHXA | 3.2 | ng/L | 2025-01-28 |
| Marshfield Water Department | PFOA | 4.4 | ng/L | 2025-01-28 |
| Marshfield Water Department | PFPEA | 3 | ng/L | 2025-01-28 |
| Salisbury Water Division | PFOA | 6 | ng/L | 2025-01-27 |
| Salisbury Water Division | PFBA | 8 | ng/L | 2025-01-27 |
| Salisbury Water Division | PFPEA | 3 | ng/L | 2025-01-27 |
| Holbrook Public Works Dept | PFHXA | 4.4 | ng/L | 2025-01-27 |
| Holbrook Public Works Dept | PFOA | 6.2 | ng/L | 2025-01-27 |
| Holbrook Public Works Dept | PFOS | 8.7 | ng/L | 2025-01-27 |
| Holbrook Public Works Dept | PFPEA | 4.5 | ng/L | 2025-01-27 |
| Holbrook Public Works Dept | PFBA | 5.6 | ng/L | 2025-01-27 |
| Abington/Rockland Joint Wtr. Works | PFPEA | 32 | ng/L | 2025-01-23 |
| Abington/Rockland Joint Wtr. Works | PFBA | 16 | ng/L | 2025-01-23 |
| Abington/Rockland Joint Wtr. Works | PFHPA | 8 | ng/L | 2025-01-23 |
| Abington/Rockland Joint Wtr. Works | PFHXS | 4 | ng/L | 2025-01-23 |
| Abington/Rockland Joint Wtr. Works | PFOS | 7 | ng/L | 2025-01-23 |
| Abington/Rockland Joint Wtr. Works | PFOA | 12 | ng/L | 2025-01-23 |
| Abington/Rockland Joint Wtr. Works | PFHXA | 18 | ng/L | 2025-01-23 |
| Abington/Rockland Joint Wtr. Works | PFBS | 3 | ng/L | 2025-01-23 |
| Yarmouth Water Department | PFHXA | 6.9 | ng/L | 2025-01-22 |
| Yarmouth Water Department | PFPEA | 6.2 | ng/L | 2025-01-22 |
| Wellesley Water Division | PFOA | 5.2 | ng/L | 2025-01-21 |
| Wellesley Water Division | PFBS | 4.6 | ng/L | 2025-01-21 |
| Wellesley Water Division | PFOS | 6.4 | ng/L | 2025-01-21 |
| Wellesley Water Division | PFPEA | 3.5 | ng/L | 2025-01-21 |
| Wellesley Water Division | PFOA | 6.3 | ng/L | 2025-01-21 |
| Wellesley Water Division | PFBS | 3.7 | ng/L | 2025-01-21 |
| Wellesley Water Division | PFHXA | 3.9 | ng/L | 2025-01-21 |
| Wellesley Water Division | PFPEA | 3.5 | ng/L | 2025-01-21 |
| Beverly Water Dept | PFPEA | 3 | ng/L | 2025-01-14 |
| Peabody Water Dept. | PFPEA | 4.8 | ng/L | 2025-01-14 |
| Peabody Water Dept. | PFHXA | 4.4 | ng/L | 2025-01-14 |
| Peabody Water Dept. | PFOA | 6.5 | ng/L | 2025-01-14 |
| Peabody Water Dept. | PFPEA | 4.6 | ng/L | 2025-01-14 |
| Peabody Water Dept. | PFOA | 5.5 | ng/L | 2025-01-14 |
| Peabody Water Dept. | PFBA | 6.4 | ng/L | 2025-01-14 |
| Peabody Water Dept. | PFHXA | 4.6 | ng/L | 2025-01-14 |
| Salem Water Department | PFPEA | 3.1 | ng/L | 2025-01-14 |
| Wakefield Water Dept | PFHXA | 4.5 | ng/L | 2025-01-14 |
| Wakefield Water Dept | PFOA | 6.9 | ng/L | 2025-01-14 |
| Wakefield Water Dept | PFPEA | 3.2 | ng/L | 2025-01-14 |
| Woburn Water Dept. | PFOA | 5.9 | ng/L | 2025-01-14 |
| Woburn Water Dept. | PFOS | 6 | ng/L | 2025-01-14 |
| Woburn Water Dept. | PFBS | 3.8 | ng/L | 2025-01-14 |
| Duxbury Water Department | PFOA | 5.1 | ng/L | 2025-01-14 |
| Duxbury Water Department | PFHXS | 27.5 | ng/L | 2025-01-14 |
| Duxbury Water Department | PFBA | 10 | ng/L | 2025-01-14 |
| Duxbury Water Department | PFHPA | 9.3 | ng/L | 2025-01-14 |
| Duxbury Water Department | PFOS | 35 | ng/L | 2025-01-14 |
| Duxbury Water Department | PFHXA | 28.3 | ng/L | 2025-01-14 |
| Duxbury Water Department | PFBS | 3.4 | ng/L | 2025-01-14 |
| Duxbury Water Department | PFHPS | 3.1 | ng/L | 2025-01-14 |
| Duxbury Water Department | PFPEA | 40.3 | ng/L | 2025-01-14 |
| Yarmouth Water Department | PFPEA | 30 | ng/L | 2025-01-14 |
| Yarmouth Water Department | PFBA | 6 | ng/L | 2025-01-14 |
| Yarmouth Water Department | PFHXA | 20.7 | ng/L | 2025-01-14 |
| Yarmouth Water Department | PFHPA | 3.4 | ng/L | 2025-01-14 |
| Yarmouth Water Department | PFHXS | 3.1 | ng/L | 2025-01-14 |
| Dedham Westwood Water Dist. | PFOA | 6.5 | ng/L | 2025-01-13 |
| Dedham Westwood Water Dist. | PFOS | 5 | ng/L | 2025-01-13 |
| Dedham Westwood Water Dist. | PFPEA | 5.9 | ng/L | 2025-01-13 |
| Dedham Westwood Water Dist. | PFHXA | 4.1 | ng/L | 2025-01-13 |
| Dedham Westwood Water Dist. | PFOA | 6.1 | ng/L | 2025-01-13 |
| Dedham Westwood Water Dist. | PFOS | 4 | ng/L | 2025-01-13 |
| Marshfield Water Department | PFOS | 4.6 | ng/L | 2024-12-17 |
| Natick Water and Sewer Division | PFOS | 37.3 | ng/L | 2024-12-16 |
| Natick Water and Sewer Division | PFHXS | 11.2 | ng/L | 2024-12-16 |
| Natick Water and Sewer Division | PFBS | 6.5 | ng/L | 2024-12-16 |
| Natick Water and Sewer Division | PFOA | 14.3 | ng/L | 2024-12-16 |
| Natick Water and Sewer Division | PFPEA | 3.5 | ng/L | 2024-12-16 |
| Natick Water and Sewer Division | PFOA | 4 | ng/L | 2024-12-16 |
| Natick Water and Sewer Division | PFOS | 4 | ng/L | 2024-12-16 |
| Natick Water and Sewer Division | PFBA | 5 | ng/L | 2024-12-16 |
| Natick Water and Sewer Division | PFPEA | 3.3 | ng/L | 2024-12-16 |
| Abington/Rockland Joint Wtr. Works | PFHXA | 3 | ng/L | 2024-12-13 |
| Abington/Rockland Joint Wtr. Works | PFOA | 4 | ng/L | 2024-12-13 |
| Abington/Rockland Joint Wtr. Works | PFPEA | 3 | ng/L | 2024-12-13 |
| Middleborough Water Supply | PFHXA | 8 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFOA | 8 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFOS | 5 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFHPA | 4 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFPEA | 10 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFOA | 8 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFOS | 4 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFBS | 4 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFHXA | 4 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFPEA | 3 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFOA | 5 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFHXA | 3 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFOS | 5 | ng/L | 2024-12-10 |
| Middleborough Water Supply | PFOA | 7 | ng/L | 2024-12-10 |
| Sudbury Water District | PFPEA | 5 | ng/L | 2024-12-06 |
| Sudbury Water District | PFBS | 4 | ng/L | 2024-12-06 |
| Sudbury Water District | PFOA | 8 | ng/L | 2024-12-06 |
| Sudbury Water District | PFHXA | 5 | ng/L | 2024-12-06 |
| Sudbury Water District | PFBA | 5 | ng/L | 2024-12-06 |
| Sudbury Water District | PFPEA | 4 | ng/L | 2024-12-06 |
| Sudbury Water District | PFHXA | 5 | ng/L | 2024-12-06 |
| Sudbury Water District | PFOA | 6 | ng/L | 2024-12-06 |
| Sudbury Water District | PFBS | 4 | ng/L | 2024-12-06 |
| Sudbury Water District | PFOA | 8 | ng/L | 2024-12-06 |
| Sudbury Water District | PFHXA | 6 | ng/L | 2024-12-06 |
| Sudbury Water District | PFPEA | 5 | ng/L | 2024-12-06 |
| Sudbury Water District | PFBS | 3 | ng/L | 2024-12-06 |
| Sudbury Water District | PFHPA | 3 | ng/L | 2024-12-06 |
| Fitchburg DPW Division of Water Supply | PFHXA | 4.3 | ng/L | 2024-12-04 |
| Fitchburg DPW Division of Water Supply | PFPEA | 4.2 | ng/L | 2024-12-04 |
| Attleboro Water Dept | PFHXS | 3.3 | ng/L | 2024-12-01 |
| Sharon Water Dept | PFBS | 4.3 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFHXA | 4.3 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFPEA | 3.1 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFOA | 7.1 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFPEA | 6.6 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFHXA | 7.1 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFBS | 4.5 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFOS | 4.6 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFOA | 5.8 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFHXA | 3.4 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFOA | 5.6 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFPEA | 4.5 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFBS | 4.1 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFHXS | 29 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFOS | 15 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFOA | 8.1 | ng/L | 2024-11-18 |
| Sharon Water Dept | PFHXA | 6.9 | ng/L | 2024-11-18 |
| Marshfield Water Department | PFHXA | 3.9 | ng/L | 2024-11-13 |
| Marshfield Water Department | PFPEA | 4.1 | ng/L | 2024-11-13 |
| Billerica Water Works | PFPEA | 7.4 | ng/L | 2024-11-07 |
| Billerica Water Works | PFBA | 5.4 | ng/L | 2024-11-07 |
| Billerica Water Works | PFBS | 3 | ng/L | 2024-11-07 |
| Billerica Water Works | PFHXA | 6 | ng/L | 2024-11-07 |
| Billerica Water Works | PFOA | 4.2 | ng/L | 2024-11-07 |
| Milford Water Department | PFBS | 3.2 | ng/L | 2024-11-06 |
| Weir River Water System | PFPEA | 3.1 | ng/L | 2024-11-06 |
| Weir River Water System | PFHXA | 3.1 | ng/L | 2024-11-06 |
| Weir River Water System | PFOA | 5.7 | ng/L | 2024-11-06 |
| Weir River Water System | PFOA | 4.3 | ng/L | 2024-11-06 |
| Weir River Water System | PFHXA | 6 | ng/L | 2024-11-06 |
| Weir River Water System | PFPEA | 3.8 | ng/L | 2024-11-06 |
| Hudson Water Supply | PFBA | 6 | ng/L | 2024-10-29 |
| Burlington Water Dept | PFBA | 11 | ng/L | 2024-10-24 |
| Marshfield Water Department | PFOA | 4.8 | ng/L | 2024-10-24 |
| Marshfield Water Department | PFHXA | 4.7 | ng/L | 2024-10-24 |
| Marshfield Water Department | PFPEA | 4 | ng/L | 2024-10-24 |
| Marshfield Water Department | PFBS | 3.1 | ng/L | 2024-10-24 |
| Grafton Water District | PFPEA | 3.2 | ng/L | 2024-10-23 |
| Grafton Water District | PFOA | 6.9 | ng/L | 2024-10-23 |
| Grafton Water District | PFHXA | 3.3 | ng/L | 2024-10-23 |
| Grafton Water District | PFOS | 6.9 | ng/L | 2024-10-23 |
| Beverly Water Dept | PFPEA | 3.2 | ng/L | 2024-10-22 |
| Salem Water Department | PFPEA | 3.4 | ng/L | 2024-10-22 |
| Salem Water Department | PFHXA | 3 | ng/L | 2024-10-22 |
| Abington/Rockland Joint Wtr. Works | PFPEA | 3 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFBA | 7 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFOA | 5 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFHXA | 3 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFOS | 7 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFOA | 11 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFHXA | 12 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFBS | 3 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFBA | 25 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFHPA | 6 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFPEA | 20 | ng/L | 2024-10-18 |
| Abington/Rockland Joint Wtr. Works | PFHXS | 3 | ng/L | 2024-10-18 |
| Tewksbury Water Department | PFOA | 5 | ng/L | 2024-10-17 |
| Tewksbury Water Department | PFHXA | 4 | ng/L | 2024-10-17 |
| Tewksbury Water Department | PFPEA | 4 | ng/L | 2024-10-17 |
| Bourne Water District | PFPEA | 3.1 | ng/L | 2024-10-17 |
| Bourne Water District | PFOS | 4.8 | ng/L | 2024-10-17 |
| Bourne Water District | PFHXS | 7.6 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFHXA | 5 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFOS | 5 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFPEA | 4 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFBS | 4 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFOA | 9 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFHPA | 3 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFOS | 8 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFHXS | 4 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFBS | 4 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFHXA | 5 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFOA | 8 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFPEA | 7 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFBA | 6 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFPEA | 14 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFBA | 6 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFBS | 6 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFOS | 7 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFOA | 9 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFHXA | 9 | ng/L | 2024-10-17 |
| North Attleboro Water Dept | PFHPA | 6 | ng/L | 2024-10-17 |
| Marshfield Water Department | PFOA | 4.1 | ng/L | 2024-10-16 |
| Franklin Water Department | PFBS | 3.2 | ng/L | 2024-10-15 |
| Franklin Water Department | PFOS | 5.6 | ng/L | 2024-10-15 |
| Franklin Water Department | PFOA | 4.7 | ng/L | 2024-10-15 |
| Franklin Water Department | PFBS | 3.3 | ng/L | 2024-10-10 |
| Franklin Water Department | PFOA | 4.7 | ng/L | 2024-10-10 |
| Franklin Water Department | PFHXA | 3.6 | ng/L | 2024-10-10 |
| Franklin Water Department | PFBS | 3.4 | ng/L | 2024-10-10 |
| Franklin Water Department | PFHXS | 4.1 | ng/L | 2024-10-10 |
| Chelmsford Water District | PFOA | 7.3 | ng/L | 2024-10-08 |
| Chelmsford Water District | PFOS | 5.8 | ng/L | 2024-10-08 |
| Chelmsford Water District | PFHXA | 3.1 | ng/L | 2024-10-08 |
| Duxbury Water Department | PFOA | 7.5 | ng/L | 2024-10-08 |
| Duxbury Water Department | PFOS | 34.4 | ng/L | 2024-10-08 |
| Duxbury Water Department | PFHPA | 10.6 | ng/L | 2024-10-08 |
| Duxbury Water Department | PFHXS | 31 | ng/L | 2024-10-08 |
| Duxbury Water Department | PFHPS | 3.3 | ng/L | 2024-10-08 |
| Duxbury Water Department | PFBS | 3.5 | ng/L | 2024-10-08 |
| Duxbury Water Department | PFHXA | 30.7 | ng/L | 2024-10-08 |
| Duxbury Water Department | 6-2-FTS | 5.7 | ng/L | 2024-10-08 |
| Duxbury Water Department | PFPEA | 46.6 | ng/L | 2024-10-08 |
| Duxbury Water Department | PFBA | 12.9 | ng/L | 2024-10-08 |
| Lawrence Water Works | PFHXA | 3.1 | ng/L | 2024-10-07 |
| Lawrence Water Works | PFPEA | 3 | ng/L | 2024-10-07 |
| Holbrook Public Works Dept | PFOS | 11.9 | ng/L | 2024-10-02 |
| Holbrook Public Works Dept | PFOA | 6.3 | ng/L | 2024-10-02 |
| Holbrook Public Works Dept | PFHXA | 4 | ng/L | 2024-10-02 |
| Holbrook Public Works Dept | PFPEA | 4.2 | ng/L | 2024-10-02 |
| Pembroke Water Division DPW | PFPEA | 3 | ng/L | 2024-09-30 |
| Grafton Water District | PFOS | 4.9 | ng/L | 2024-09-25 |
| Grafton Water District | PFOA | 4.3 | ng/L | 2024-09-25 |
| Medfield Water Dept. | PFOA | 6.8 | ng/L | 2024-09-24 |
| Medfield Water Dept. | PFOS | 6.7 | ng/L | 2024-09-24 |
| Medfield Water Dept. | PFBS | 4.6 | ng/L | 2024-09-24 |
| Medfield Water Dept. | PFHXA | 4.5 | ng/L | 2024-09-24 |
| Medfield Water Dept. | PFPEA | 5 | ng/L | 2024-09-24 |
| Bellingham DPW Water Sewer Division | PFOA | 4.3 | ng/L | 2024-09-23 |
| Bellingham DPW Water Sewer Division | PFBS | 4.1 | ng/L | 2024-09-23 |
| Bellingham DPW Water Sewer Division | PFOS | 5 | ng/L | 2024-09-23 |
| Bellingham DPW Water Sewer Division | PFOA | 4.3 | ng/L | 2024-09-23 |
| Methuen Water Dept | PFHXA | 4 | ng/L | 2024-09-19 |
| Methuen Water Dept | PFPEA | 5 | ng/L | 2024-09-19 |
| Methuen Water Dept | PFOA | 4 | ng/L | 2024-09-19 |
| Dartmouth Water Division | PFPEA | 11.8 | ng/L | 2024-09-10 |
| Dartmouth Water Division | PFOA | 4.2 | ng/L | 2024-09-10 |
| Dartmouth Water Division | PFHPA | 3 | ng/L | 2024-09-10 |
| Dartmouth Water Division | PFBS | 20.7 | ng/L | 2024-09-10 |
| Dartmouth Water Division | PFBA | 9.4 | ng/L | 2024-09-10 |
| Dartmouth Water Division | PFHXA | 7.6 | ng/L | 2024-09-10 |
| Dartmouth Water Division | PFOS | 50.6 | ng/L | 2024-09-10 |
| Attleboro Water Dept | PFHXS | 3.8 | ng/L | 2024-09-09 |
| Seekonk Water District | PFOS | 5 | ng/L | 2024-09-09 |
| Marshfield Water Department | PFPEA | 4.3 | ng/L | 2024-09-05 |
| Marshfield Water Department | PFHXA | 5 | ng/L | 2024-09-05 |
| Uxbridge DPW, Water Division | PFOS | 5.4 | ng/L | 2024-08-21 |
| Milford Water Department | PFPEA | 3.5 | ng/L | 2024-08-19 |
| Milford Water Department | PFOS | 6.1 | ng/L | 2024-08-19 |
| Milford Water Department | PFOA | 6.1 | ng/L | 2024-08-19 |
| Milford Water Department | PFOA | 4 | ng/L | 2024-08-19 |
| Milford Water Department | PFBS | 4.1 | ng/L | 2024-08-19 |
| Concord Water Dept | PFHXA | 4.5 | ng/L | 2024-08-19 |
| Concord Water Dept | PFOA | 6 | ng/L | 2024-08-19 |
| Concord Water Dept | PFPEA | 6.2 | ng/L | 2024-08-19 |
| Concord Water Dept | PFBS | 3.1 | ng/L | 2024-08-19 |
| Concord Water Dept | PFHXA | 3.5 | ng/L | 2024-08-12 |
| Concord Water Dept | PFOA | 4.2 | ng/L | 2024-08-12 |
| Concord Water Dept | PFPEA | 3.5 | ng/L | 2024-08-12 |
| Concord Water Dept | PFBS | 7.6 | ng/L | 2024-08-12 |
| Concord Water Dept | PFHXA | 3.6 | ng/L | 2024-08-12 |
| Pembroke Water Division DPW | PFHXA | 5 | ng/L | 2024-08-12 |
| Pembroke Water Division DPW | PFPEA | 5.4 | ng/L | 2024-08-12 |
| Randolph Water Department | PFOS | 13 | ng/L | 2024-08-12 |
| Randolph Water Department | PFOA | 6.8 | ng/L | 2024-08-12 |
| Randolph Water Department | PFHXA | 4.3 | ng/L | 2024-08-12 |
| Randolph Water Department | PFPEA | 4.5 | ng/L | 2024-08-12 |
| Dracut Water Supply District | PFPEA | 3.1 | ng/L | 2024-08-07 |
| Dracut Water Supply District | PFOA | 6.1 | ng/L | 2024-08-07 |
| Dracut Water Supply District | PFBS | 7 | ng/L | 2024-08-07 |
| City of New Bedford Dpi | PFBA | 7 | ng/L | 2024-08-07 |
| Swansea Water District | PFBS | 3 | ng/L | 2024-08-05 |
| Swansea Water District | PFHXS | 7.7 | ng/L | 2024-08-05 |
| Swansea Water District | PFBS | 3.5 | ng/L | 2024-08-05 |
| Newburyport Water Department | PFBS | 3.4 | ng/L | 2024-08-01 |
| Salem Water Department | PFPEA | 4.2 | ng/L | 2024-07-31 |
| Salem Water Department | PFHXA | 3.7 | ng/L | 2024-07-31 |
| Marshfield Water Department | PFHXA | 3.9 | ng/L | 2024-07-30 |
| Marshfield Water Department | PFPEA | 4.6 | ng/L | 2024-07-30 |
| Duxbury Water Department | PFOA | 6 | ng/L | 2024-07-23 |
| Beverly Water Dept | PFPEA | 4.1 | ng/L | 2024-07-18 |
| Beverly Water Dept | PFHXA | 3.6 | ng/L | 2024-07-18 |
| Concord Water Dept | PFOA | 4.2 | ng/L | 2024-07-17 |
| Needham Water Dept | PFOA | 4 | ng/L | 2024-07-15 |
| Attleboro Water Dept | PFHXS | 3.5 | ng/L | 2024-07-15 |
| Burlington Water Dept | PFBA | 7.9 | ng/L | 2024-07-11 |
| Tewksbury Water Department | PFOA | 5 | ng/L | 2024-07-09 |
| Tewksbury Water Department | PFPEA | 3 | ng/L | 2024-07-09 |
| Tewksbury Water Department | PFHXA | 3 | ng/L | 2024-07-09 |
| Canton Water Dept | PFOA | 4.9 | ng/L | 2024-07-09 |
| North Reading Water Dept. | PFPEA | 3 | ng/L | 2024-07-01 |
| Ipswich Dpu Water Dept | PFOA | 5.6 | ng/L | 2024-06-25 |
| Ipswich Dpu Water Dept | PFPEA | 10.5 | ng/L | 2024-06-25 |
| Ipswich Dpu Water Dept | PFHXA | 11.2 | ng/L | 2024-06-25 |
| Ipswich Dpu Water Dept | PFHPA | 3.2 | ng/L | 2024-06-25 |
| Ipswich Dpu Water Dept | PFPEA | 10.8 | ng/L | 2024-06-25 |
| Ipswich Dpu Water Dept | PFOA | 5.5 | ng/L | 2024-06-25 |
| Ipswich Dpu Water Dept | PFHXA | 10.7 | ng/L | 2024-06-25 |
| Marshfield Water Department | PFBS | 3.5 | ng/L | 2024-06-24 |
| Marshfield Water Department | PFPEA | 4.6 | ng/L | 2024-06-24 |
| Marshfield Water Department | PFHXA | 5.2 | ng/L | 2024-06-24 |
| Marshfield Water Department | PFOA | 5.3 | ng/L | 2024-06-24 |
| Marshfield Water Department | PFOA | 4.2 | ng/L | 2024-06-24 |
| Mashpee Water District | PFBA | 8 | ng/L | 2024-06-06 |
| Methuen Water Dept | PFHXA | 3 | ng/L | 2024-06-05 |
| Methuen Water Dept | PFPEA | 3 | ng/L | 2024-06-05 |
| Maynard DPW, Water Division | PFOA | 4.8 | ng/L | 2024-06-03 |
| Maynard DPW, Water Division | PFHXA | 3.7 | ng/L | 2024-06-03 |
| Maynard DPW, Water Division | PFPEA | 3.7 | ng/L | 2024-06-03 |
| Abington/Rockland Joint Wtr. Works | PFOA | 11 | ng/L | 2024-05-31 |
| Abington/Rockland Joint Wtr. Works | PFOS | 7 | ng/L | 2024-05-31 |
| Abington/Rockland Joint Wtr. Works | PFHXS | 3 | ng/L | 2024-05-31 |
| Abington/Rockland Joint Wtr. Works | PFHPA | 5 | ng/L | 2024-05-31 |
| Abington/Rockland Joint Wtr. Works | PFBS | 3 | ng/L | 2024-05-31 |
| Abington/Rockland Joint Wtr. Works | PFPEA | 19 | ng/L | 2024-05-31 |
| Abington/Rockland Joint Wtr. Works | PFBA | 10 | ng/L | 2024-05-31 |
| Abington/Rockland Joint Wtr. Works | PFHXA | 11 | ng/L | 2024-05-31 |
| Plymouth Water Department | PFPEA | 3.1 | ng/L | 2024-05-23 |
| Plymouth Water Department | PFBS | 4 | ng/L | 2024-05-23 |
| Whitman Water System | PFPEA | 3.8 | ng/L | 2024-05-22 |
| Whitman Water System | PFHXA | 3.8 | ng/L | 2024-05-22 |
| Whitman Water System | PFBA | 5.9 | ng/L | 2024-05-22 |
| Whitman Water System | PFBS | 3.2 | ng/L | 2024-05-22 |
| Weymouth Water Department | PFPEA | 3.1 | ng/L | 2024-05-20 |
| Chelmsford Water District | PFOA | 7.7 | ng/L | 2024-05-14 |
| Chelmsford Water District | PFOS | 5.5 | ng/L | 2024-05-14 |
| Chelmsford Water District | PFHXA | 3.1 | ng/L | 2024-05-14 |
| Shrewsbury Water Department | PFOS | 5.6 | ng/L | 2024-05-09 |
| Shrewsbury Water Department | PFBS | 4.3 | ng/L | 2024-05-09 |
| Shrewsbury Water Department | PFPEA | 4.8 | ng/L | 2024-05-09 |
| Shrewsbury Water Department | PFOA | 5.4 | ng/L | 2024-05-09 |
| Shrewsbury Water Department | PFHXA | 3.1 | ng/L | 2024-05-09 |
| Medfield Water Dept. | PFHXA | 5 | ng/L | 2024-04-24 |
| Medfield Water Dept. | PFOA | 7 | ng/L | 2024-04-24 |
| Medfield Water Dept. | PFOS | 6.6 | ng/L | 2024-04-24 |
| Medfield Water Dept. | PFBS | 4 | ng/L | 2024-04-24 |
| Medfield Water Dept. | PFPEA | 6.5 | ng/L | 2024-04-24 |
| North Attleboro Water Dept | PFHXA | 3 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFHXS | 3 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFBS | 3 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFOA | 8 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFOS | 5 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFBS | 3 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFHXS | 3 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFOA | 7 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFPEA | 3 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFOS | 5 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFPEA | 7 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFBA | 5 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFHPA | 3 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFBS | 5 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFOS | 5 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFOA | 6 | ng/L | 2024-04-17 |
| North Attleboro Water Dept | PFHXA | 5 | ng/L | 2024-04-17 |
| Concord Water Dept | PFPEA | 5.2 | ng/L | 2024-04-11 |
| Concord Water Dept | PFHXA | 4.4 | ng/L | 2024-04-11 |
| Concord Water Dept | PFBS | 9.4 | ng/L | 2024-04-11 |
| Hanover Water Dept | PFBS | 3 | ng/L | 2024-04-11 |
| Hanover Water Dept | PFOS | 4.4 | ng/L | 2024-04-11 |
| Hanover Water Dept | PFHXA | 4.5 | ng/L | 2024-04-11 |
| Hanover Water Dept | PFPEA | 5.9 | ng/L | 2024-04-11 |
| Hanover Water Dept | PFPEA | 4.7 | ng/L | 2024-04-11 |
| Hanover Water Dept | PFOA | 5.5 | ng/L | 2024-04-11 |
| Hanover Water Dept | PFHXA | 4.2 | ng/L | 2024-04-11 |
| Chelmsford Water District | PFPEA | 3.2 | ng/L | 2024-04-09 |
| Chelmsford Water District | PFOS | 4.5 | ng/L | 2024-04-09 |
| Chelmsford Water District | PFHXA | 3.2 | ng/L | 2024-04-09 |
| Chelmsford Water District | PFOA | 7.2 | ng/L | 2024-04-09 |
| Chelmsford Water District | PFPEA | 3.1 | ng/L | 2024-04-09 |
| Chelmsford Water District | PFHXA | 3.1 | ng/L | 2024-04-09 |
| Chelmsford Water District | PFOA | 6.7 | ng/L | 2024-04-09 |
| Ipswich Dpu Water Dept | PFBA | 6.6 | ng/L | 2024-04-09 |
| Ipswich Dpu Water Dept | PFOA | 7.3 | ng/L | 2024-04-09 |
| Ipswich Dpu Water Dept | PFHXA | 20.6 | ng/L | 2024-04-09 |
| Ipswich Dpu Water Dept | PFHPA | 4.8 | ng/L | 2024-04-09 |
| Ipswich Dpu Water Dept | PFPEA | 19.5 | ng/L | 2024-04-09 |
| Ipswich Dpu Water Dept | PFBS | 4.1 | ng/L | 2024-04-09 |
| Tewksbury Water Department | PFOA | 4 | ng/L | 2024-04-09 |
| Hyannis Water System, Town of Barnstable | PFBA | 9.3 | ng/L | 2024-04-09 |
| Hyannis Water System, Town of Barnstable | PFPEA | 5.1 | ng/L | 2024-04-09 |
| Dennis Water District | PFHXA | 5.6 | ng/L | 2024-04-09 |
| Dennis Water District | PFPEA | 5.1 | ng/L | 2024-04-09 |
| Leominster Water Division | PFOA | 4.3 | ng/L | 2024-03-20 |
| Braintree Water and Sewer Dept. | PFHXA | 3.4 | ng/L | 2024-03-19 |
| Braintree Water and Sewer Dept. | PFOA | 4.4 | ng/L | 2024-03-19 |
| Braintree Water and Sewer Dept. | PFOS | 8.3 | ng/L | 2024-03-19 |
| Braintree Water and Sewer Dept. | PFPEA | 3.8 | ng/L | 2024-03-19 |
| Walpole Water Dept | PFBA | 16 | ng/L | 2024-03-11 |
| Fitchburg DPW Division of Water Supply | PFOA | 4.9 | ng/L | 2024-03-06 |
| Dartmouth Water Division | PFBS | 8.4 | ng/L | 2024-03-06 |
| Marshfield Water Department | PFHXA | 3.1 | ng/L | 2024-03-06 |
| Marshfield Water Department | PFOA | 5.4 | ng/L | 2024-03-06 |
| Marshfield Water Department | PFPEA | 3.2 | ng/L | 2024-03-06 |
| Marshfield Water Department | PFHXA | 11.7 | ng/L | 2024-03-06 |
| Marshfield Water Department | PFOA | 7 | ng/L | 2024-03-06 |
| Marshfield Water Department | PFHPA | 3.2 | ng/L | 2024-03-06 |
| Marshfield Water Department | PFBA | 6 | ng/L | 2024-03-06 |
| Marshfield Water Department | PFBS | 3.7 | ng/L | 2024-03-06 |
| Marshfield Water Department | PFPEA | 14.7 | ng/L | 2024-03-06 |
| Seekonk Water District | PFOS | 4.2 | ng/L | 2024-03-04 |
| Norwell Water Department | PFPEA | 3.1 | ng/L | 2024-02-26 |
| Norwell Water Department | PFOA | 4.6 | ng/L | 2024-02-26 |
| Norwell Water Department | PFBS | 3.7 | ng/L | 2024-02-26 |
| Norwell Water Department | PFOS | 7.4 | ng/L | 2024-02-26 |
| Norwell Water Department | PFOA | 8.9 | ng/L | 2024-02-26 |
| Norwell Water Department | PFBS | 3.6 | ng/L | 2024-02-26 |
| Norwell Water Department | PFHPA | 4.7 | ng/L | 2024-02-26 |
| Norwell Water Department | PFOS | 6.2 | ng/L | 2024-02-26 |
| Norwell Water Department | PFPEA | 10 | ng/L | 2024-02-26 |
| Norwell Water Department | PFHXA | 8.4 | ng/L | 2024-02-26 |
| Pembroke Water Division DPW | PFHXA | 4.8 | ng/L | 2024-02-21 |
| Pembroke Water Division DPW | PFPEA | 5.7 | ng/L | 2024-02-21 |
| Pembroke Water Division DPW | PFPEA | 3.1 | ng/L | 2024-02-21 |
| Concord Water Dept | PFHXA | 4.2 | ng/L | 2024-02-12 |
| Concord Water Dept | PFOA | 5.9 | ng/L | 2024-02-12 |
| Concord Water Dept | PFPEA | 5.6 | ng/L | 2024-02-12 |
| Norton Water Department | PFHXS | 6.4 | ng/L | 2024-02-07 |
| Norton Water Department | PFHXA | 4.1 | ng/L | 2024-02-07 |
| Norton Water Department | PFBS | 4.7 | ng/L | 2024-02-07 |
| Norton Water Department | PFHPA | 3.2 | ng/L | 2024-02-07 |
| Norton Water Department | PFOA | 8.8 | ng/L | 2024-02-07 |
| Norton Water Department | PFPEA | 4 | ng/L | 2024-02-07 |
| Walpole Water Dept | PFBA | 13 | ng/L | 2024-02-07 |
| Walpole Water Dept | PFPEA | 12 | ng/L | 2024-02-07 |
| Walpole Water Dept | PFHXA | 7 | ng/L | 2024-02-07 |
| Walpole Water Dept | PFOA | 4 | ng/L | 2024-02-07 |
| Walpole Water Dept | PFOS | 4 | ng/L | 2024-02-07 |
| Walpole Water Dept | PFHPA | 3 | ng/L | 2024-02-07 |
| Wrentham Water Division | PFBS | 5.1 | ng/L | 2024-02-07 |
| Wrentham Water Division | PFBS | 4 | ng/L | 2024-02-07 |
| Newburyport Water Department | PFBS | 3.2 | ng/L | 2024-02-06 |
| Newburyport Water Department | PFOS | 4.6 | ng/L | 2024-02-06 |
| Westborough Water Department | PFOA | 4 | ng/L | 2024-01-22 |
| Needham Water Dept | PFOS | 5 | ng/L | 2024-01-17 |
| Needham Water Dept | PFOA | 4.6 | ng/L | 2024-01-17 |
| Randolph Water Department | PFPEA | 4.1 | ng/L | 2024-01-16 |
| Randolph Water Department | PFHXA | 3.8 | ng/L | 2024-01-16 |
| Randolph Water Department | PFOA | 6.1 | ng/L | 2024-01-16 |
| Randolph Water Department | PFOS | 9 | ng/L | 2024-01-16 |
| Canton Water Dept | PFOA | 4.5 | ng/L | 2024-01-08 |
| Canton Water Dept | 4-2-FTS | 3 | ng/L | 2024-01-08 |
| Canton Water Dept | PFHXA | 3.2 | ng/L | 2024-01-08 |
| Canton Water Dept | PFOA | 5 | ng/L | 2024-01-08 |
| Canton Water Dept | PFPEA | 3.4 | ng/L | 2024-01-08 |
| Acton Water Supply District | PFHPA | 3.8 | ng/L | 2024-01-05 |
| Acton Water Supply District | PFOA | 9.6 | ng/L | 2024-01-05 |
| Acton Water Supply District | PFHXA | 4.7 | ng/L | 2024-01-05 |
| Acton Water Supply District | PFBA | 18.3 | ng/L | 2024-01-05 |
| Acton Water Supply District | PFPEA | 4.9 | ng/L | 2024-01-05 |
| North Reading Water Dept. | PFPEA | 4 | ng/L | 2024-01-03 |
| North Reading Water Dept. | PFHXA | 3 | ng/L | 2024-01-03 |
| Chelmsford Water District | PFOS | 5.3 | ng/L | 2023-12-27 |
| Chelmsford Water District | PFOA | 7.7 | ng/L | 2023-12-27 |
| Chelmsford Water District | PFHXA | 3.5 | ng/L | 2023-12-27 |
| Chelmsford Water District | PFPEA | 3.7 | ng/L | 2023-12-27 |
| Danvers Water Dept. | PFOS | 5.2 | ng/L | 2023-12-18 |
| Aquarion Water Company, Millbury | PFBS | 3.4 | ng/L | 2023-12-13 |
| Aquarion Water Company, Millbury | PFHXA | 3.7 | ng/L | 2023-12-13 |
| Aquarion Water Company, Millbury | PFPEA | 5.2 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFBS | 5 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFOA | 7 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFHXA | 3 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFHXS | 4 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFOS | 7 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFBS | 4 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFOA | 5 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFHXA | 4 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFPEA | 4 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFPEA | 7 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFHPA | 3 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFHXA | 8 | ng/L | 2023-12-13 |
| Bridgewater Water Department | PFOA | 9 | ng/L | 2023-12-13 |
| Oak Bluffs Water District | PFPEA | 4 | ng/L | 2023-12-13 |
| Oak Bluffs Water District | PFHXA | 4 | ng/L | 2023-12-13 |
| Acton Water Supply District | PFOS | 4.7 | ng/L | 2023-12-06 |
| Acton Water Supply District | PFOA | 7.2 | ng/L | 2023-12-06 |
| Acton Water Supply District | PFHXA | 6.6 | ng/L | 2023-12-06 |
| Acton Water Supply District | PFBS | 3.6 | ng/L | 2023-12-06 |
| Acton Water Supply District | PFPEA | 8.4 | ng/L | 2023-12-06 |
| Worcester Dpwp, Water Supply Division | PFPEA | 3.2 | ng/L | 2023-12-05 |
| Cambridge Water Department | PFPEA | 3.6 | ng/L | 2023-12-05 |
| Cambridge Water Department | PFOA | 4.8 | ng/L | 2023-12-05 |
| Cambridge Water Department | PFHXA | 3.1 | ng/L | 2023-12-05 |
| Maynard DPW, Water Division | PFOS | 4.2 | ng/L | 2023-12-04 |
| Maynard DPW, Water Division | PFOA | 7.1 | ng/L | 2023-12-04 |
| Maynard DPW, Water Division | PFBS | 3.1 | ng/L | 2023-12-04 |
| Maynard DPW, Water Division | PFPEA | 3.3 | ng/L | 2023-12-04 |
| Maynard DPW, Water Division | PFHXA | 4 | ng/L | 2023-12-04 |
| Webster Water Department | PFHXA | 3 | ng/L | 2023-11-29 |
| Webster Water Department | PFOA | 4.4 | ng/L | 2023-11-29 |
| Webster Water Department | PFPEA | 4.8 | ng/L | 2023-11-29 |
| Scituate Water Division | PFOA | 5.3 | ng/L | 2023-11-16 |
| Hyannis Water System, Town of Barnstable | PFHXA | 6.5 | ng/L | 2023-11-15 |
| Hyannis Water System, Town of Barnstable | PFBA | 11.5 | ng/L | 2023-11-15 |
| Hyannis Water System, Town of Barnstable | PFPEA | 18.7 | ng/L | 2023-11-15 |
| Shrewsbury Water Department | PFBS | 3.6 | ng/L | 2023-11-13 |
| Ashland Water and Sewer Dept. | PFPEA | 3.2 | ng/L | 2023-11-06 |
| Lynn Water and Sewer Comm | PFHXA | 4.8 | ng/L | 2023-11-01 |
| Lynn Water and Sewer Comm | PFOA | 4.7 | ng/L | 2023-11-01 |
| Lynn Water and Sewer Comm | PFBS | 3 | ng/L | 2023-11-01 |
| Lynn Water and Sewer Comm | PFBA | 5.4 | ng/L | 2023-11-01 |
| Lynn Water and Sewer Comm | PFPEA | 5.2 | ng/L | 2023-11-01 |
| Swansea Water District | PFOA | 4.4 | ng/L | 2023-10-30 |
| Swansea Water District | PFPEA | 3.5 | ng/L | 2023-10-30 |
| Swansea Water District | PFBA | 6.4 | ng/L | 2023-10-30 |
| Wayland Water Department | PFBA | 5 | ng/L | 2023-10-18 |
| Wayland Water Department | PFPEA | 10 | ng/L | 2023-10-18 |
| Wayland Water Department | PFHXA | 4 | ng/L | 2023-10-18 |
| Wayland Water Department | PFPEA | 4 | ng/L | 2023-10-18 |
| Wayland Water Department | PFOS | 4 | ng/L | 2023-10-18 |
| Wayland Water Department | PFOA | 8 | ng/L | 2023-10-18 |
| Wayland Water Department | PFHPA | 3 | ng/L | 2023-10-18 |
| Chelmsford Water District | PFPEA | 3.4 | ng/L | 2023-10-12 |
| Chelmsford Water District | PFOA | 7.1 | ng/L | 2023-10-12 |
| Chelmsford Water District | PFHXA | 3.2 | ng/L | 2023-10-12 |
| Chelmsford Water District | PFBS | 4.2 | ng/L | 2023-10-12 |
| Chelmsford Water District | PFOS | 7.2 | ng/L | 2023-10-12 |
| Chelmsford Water District | PFOA | 8.9 | ng/L | 2023-10-12 |
| Chelmsford Water District | PFPEA | 3.6 | ng/L | 2023-10-12 |
| Chelmsford Water District | PFHXA | 3.3 | ng/L | 2023-10-12 |
| Westford Water Department | PFHXA | 4 | ng/L | 2023-10-10 |
| Westford Water Department | PFOA | 8.4 | ng/L | 2023-10-10 |
| Westford Water Department | PFBS | 3 | ng/L | 2023-10-10 |
| Westford Water Department | PFPEA | 3.9 | ng/L | 2023-10-10 |
| Westford Water Department | PFOA | 4.5 | ng/L | 2023-10-10 |
| North Reading Water Dept. | PFHXA | 3 | ng/L | 2023-10-04 |
| North Reading Water Dept. | PFPEA | 4 | ng/L | 2023-10-04 |
| North Reading Water Dept. | PFBA | 6 | ng/L | 2023-10-04 |
| Randolph Water Department | PFPEA | 4.7 | ng/L | 2023-10-02 |
| Randolph Water Department | PFBA | 5.3 | ng/L | 2023-10-02 |
| Randolph Water Department | PFHXA | 4.5 | ng/L | 2023-10-02 |
| Randolph Water Department | PFOA | 7.3 | ng/L | 2023-10-02 |
| Randolph Water Department | PFOS | 11 | ng/L | 2023-10-02 |
| Aquarion Water Company, Millbury | PFPEA | 3.4 | ng/L | 2023-09-26 |
| Aquarion Water Company, Millbury | PFOS | 5.7 | ng/L | 2023-09-26 |
| Aquarion Water Company, Millbury | PFOA | 6.5 | ng/L | 2023-09-26 |
| Aquarion Water Company, Millbury | PFHXA | 3.6 | ng/L | 2023-09-26 |
| Aquarion Water Company, Millbury | PFPEA | 4.9 | ng/L | 2023-09-26 |
| Braintree Water and Sewer Dept. | PFOA | 5.3 | ng/L | 2023-09-26 |
| Braintree Water and Sewer Dept. | PFHXA | 4.2 | ng/L | 2023-09-26 |
| Braintree Water and Sewer Dept. | PFPEA | 5 | ng/L | 2023-09-26 |
| Braintree Water and Sewer Dept. | PFOS | 8.5 | ng/L | 2023-09-26 |
| Acton Water Supply District | PFOA | 4.7 | ng/L | 2023-09-25 |
| Acton Water Supply District | PFOS | 4.2 | ng/L | 2023-09-25 |
| Acton Water Supply District | PFHXA | 5.4 | ng/L | 2023-09-21 |
| Acton Water Supply District | PFOA | 11.9 | ng/L | 2023-09-21 |
| Acton Water Supply District | PFHPA | 4.8 | ng/L | 2023-09-21 |
| Acton Water Supply District | PFPEA | 4.6 | ng/L | 2023-09-21 |
| Acton Water Supply District | PFBA | 20.6 | ng/L | 2023-09-21 |
| Norwell Water Department | PFPEA | 9.5 | ng/L | 2023-09-20 |
| Norwell Water Department | PFBA | 6 | ng/L | 2023-09-20 |
| Norwell Water Department | PFOA | 9.9 | ng/L | 2023-09-20 |
| Norwell Water Department | PFHPA | 3.7 | ng/L | 2023-09-20 |
| Norwell Water Department | PFOS | 18.4 | ng/L | 2023-09-20 |
| Norwell Water Department | PFBS | 7.7 | ng/L | 2023-09-20 |
| Norwell Water Department | PFHXA | 8.4 | ng/L | 2023-09-20 |
| Acton Water Supply District | PFBS | 3.4 | ng/L | 2023-09-18 |
| Acton Water Supply District | PFHXA | 6.3 | ng/L | 2023-09-18 |
| Acton Water Supply District | PFOS | 4.7 | ng/L | 2023-09-18 |
| Acton Water Supply District | PFOA | 7.3 | ng/L | 2023-09-18 |
| Acton Water Supply District | PFPEA | 8.1 | ng/L | 2023-09-18 |
| Lowell Regional Water Utility | PFPEA | 3.9 | ng/L | 2023-09-18 |
| Lowell Regional Water Utility | PFHXA | 4 | ng/L | 2023-09-18 |
| Lowell Regional Water Utility | PFOA | 4.6 | ng/L | 2023-09-18 |
| Cambridge Water Department | PFHXA | 3 | ng/L | 2023-09-13 |
| Cambridge Water Department | PFPEA | 3.5 | ng/L | 2023-09-13 |
| Holden Water Division, DPW | PFOA | 4.1 | ng/L | 2023-09-12 |
| Holden Water Division, DPW | PFBS | 3 | ng/L | 2023-09-12 |
| Holden Water Division, DPW | PFHXA | 3.2 | ng/L | 2023-09-12 |
| Holden Water Division, DPW | PFHXA | 5.5 | ng/L | 2023-09-12 |
| Holden Water Division, DPW | PFOA | 4.9 | ng/L | 2023-09-12 |
| Holden Water Division, DPW | PFPEA | 6.7 | ng/L | 2023-09-12 |
| Holden Water Division, DPW | PFHXA | 3.3 | ng/L | 2023-09-12 |
| Holden Water Division, DPW | PFPEA | 4.3 | ng/L | 2023-09-12 |
| Norwell Water Department | PFPEA | 8.7 | ng/L | 2023-08-28 |
| Norwell Water Department | PFBS | 3.2 | ng/L | 2023-08-28 |
| Norwell Water Department | PFHPA | 3.8 | ng/L | 2023-08-28 |
| Norwell Water Department | PFOA | 8.3 | ng/L | 2023-08-28 |
| Norwell Water Department | PFHXA | 6.7 | ng/L | 2023-08-28 |
| Norwell Water Department | PFOS | 11.1 | ng/L | 2023-08-28 |
| Norwell Water Department | PFOA | 4.8 | ng/L | 2023-08-28 |
| Scituate Water Division | PFOS | 4.8 | ng/L | 2023-08-23 |
| Scituate Water Division | PFOA | 5.6 | ng/L | 2023-08-23 |
| Hanover Water Dept | PFBS | 6.6 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFHPA | 3.5 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFOS | 11.4 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFOA | 8.9 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFHXA | 8.6 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFBA | 8 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFPEA | 11.6 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFHXA | 4.3 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFPEA | 5.5 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFPEA | 3.8 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFOA | 5.2 | ng/L | 2023-08-22 |
| Hanover Water Dept | PFHXA | 3.7 | ng/L | 2023-08-22 |
| Wrentham Water Division | PFPEA | 3.1 | ng/L | 2023-08-17 |
| Wrentham Water Division | PFHXA | 3.2 | ng/L | 2023-08-17 |
| Wrentham Water Division | PFOS | 4.4 | ng/L | 2023-08-17 |
| Wrentham Water Division | PFOA | 5.7 | ng/L | 2023-08-17 |
| Wrentham Water Division | PFOA | 4.3 | ng/L | 2023-08-17 |
| Wrentham Water Division | PFBS | 5.9 | ng/L | 2023-08-17 |
| Aquarion Water Company, Millbury | PFPEA | 10.3 | ng/L | 2023-08-15 |
| Aquarion Water Company, Millbury | PFBA | 12.7 | ng/L | 2023-08-15 |
| Aquarion Water Company, Millbury | PFHPA | 5.8 | ng/L | 2023-08-15 |
| Aquarion Water Company, Millbury | PFBS | 3.7 | ng/L | 2023-08-15 |
| Aquarion Water Company, Millbury | PFHXA | 8.6 | ng/L | 2023-08-15 |
| Aquarion Water Company, Millbury | PFOA | 15.8 | ng/L | 2023-08-15 |
| Aquarion Water Company, Millbury | PFOS | 6.2 | ng/L | 2023-08-15 |
| Norton Water Department | PFHXS | 4.2 | ng/L | 2023-08-15 |
| Norton Water Department | PFHXA | 4 | ng/L | 2023-08-15 |
| Norton Water Department | PFOA | 8.5 | ng/L | 2023-08-15 |
| Norton Water Department | PFOS | 4 | ng/L | 2023-08-15 |
| Norton Water Department | PFHXS | 4.3 | ng/L | 2023-08-15 |
| Norton Water Department | PFHPA | 3.3 | ng/L | 2023-08-15 |
| Norton Water Department | PFBS | 4.9 | ng/L | 2023-08-15 |
| Norton Water Department | PFPEA | 4 | ng/L | 2023-08-15 |
| Walpole Water Dept | PFBA | 13 | ng/L | 2023-08-14 |
| Walpole Water Dept | PFHXA | 7 | ng/L | 2023-08-14 |
| Walpole Water Dept | PFOS | 4 | ng/L | 2023-08-14 |
| Walpole Water Dept | PFOA | 4 | ng/L | 2023-08-14 |
| Walpole Water Dept | PFHPA | 3 | ng/L | 2023-08-14 |
| Walpole Water Dept | PFBA | 8 | ng/L | 2023-08-14 |
| Walpole Water Dept | PFPEA | 12 | ng/L | 2023-08-14 |
| Lynn Water and Sewer Comm | PFBS | 3.1 | ng/L | 2023-08-02 |
| Lynn Water and Sewer Comm | PFOA | 4.3 | ng/L | 2023-08-02 |
| Lynn Water and Sewer Comm | PFHXA | 4.9 | ng/L | 2023-08-02 |
| Lynn Water and Sewer Comm | PFPEA | 5.2 | ng/L | 2023-08-02 |
| Lynn Water and Sewer Comm | PFBA | 5.3 | ng/L | 2023-08-02 |
| Swansea Water District | PFHXS | 4.2 | ng/L | 2023-07-20 |
| Swansea Water District | PFBS | 3.4 | ng/L | 2023-07-20 |
| Swansea Water District | PFOA | 4.2 | ng/L | 2023-07-20 |
| Swansea Water District | PFBA | 10.9 | ng/L | 2023-07-20 |
| Swansea Water District | PFOA | 5.1 | ng/L | 2023-07-20 |
| Swansea Water District | PFHXA | 4 | ng/L | 2023-07-20 |
| Swansea Water District | PFPEA | 4.9 | ng/L | 2023-07-20 |
| Westborough Water Department | PFBS | 3.4 | ng/L | 2023-07-12 |
| Easton Water Div | PFBS | 4.4 | ng/L | 2023-07-12 |
| Easton Water Div | PFHXS | 7.9 | ng/L | 2023-07-12 |
| Easton Water Div | PFOS | 16.3 | ng/L | 2023-07-12 |
| Easton Water Div | PFPEA | 6.8 | ng/L | 2023-07-12 |
| Easton Water Div | PFOA | 7.7 | ng/L | 2023-07-12 |
| Easton Water Div | PFHXA | 5.6 | ng/L | 2023-07-12 |
| Easton Water Div | PFPEA | 3.8 | ng/L | 2023-07-12 |
| Easton Water Div | PFHXA | 3.5 | ng/L | 2023-07-12 |
| Easton Water Div | PFOA | 9.9 | ng/L | 2023-07-12 |
| Easton Water Div | PFOS | 10 | ng/L | 2023-07-12 |
| Easton Water Div | PFBS | 5.7 | ng/L | 2023-07-12 |
| Westford Water Department | PFHXA | 4.4 | ng/L | 2023-07-11 |
| Westford Water Department | PFOA | 8.6 | ng/L | 2023-07-11 |
| Westford Water Department | PFBS | 3 | ng/L | 2023-07-11 |
| Westford Water Department | PFOS | 4.3 | ng/L | 2023-07-11 |
| Westford Water Department | PFPEA | 4.3 | ng/L | 2023-07-11 |
| Westford Water Department | PFOA | 4.8 | ng/L | 2023-07-11 |
| Randolph Water Department | PFPEA | 4.6 | ng/L | 2023-07-10 |
| Randolph Water Department | PFHXS | 3 | ng/L | 2023-07-10 |
| Randolph Water Department | PFOS | 11.1 | ng/L | 2023-07-10 |
| Randolph Water Department | PFOA | 7.2 | ng/L | 2023-07-10 |
| Randolph Water Department | PFHXA | 4.4 | ng/L | 2023-07-10 |
| Holden Water Division, DPW | PFHXA | 3.1 | ng/L | 2023-07-05 |
| Holden Water Division, DPW | PFPEA | 3.6 | ng/L | 2023-07-05 |
| Acton Water Supply District | PFHXA | 5.8 | ng/L | 2023-06-28 |
| Acton Water Supply District | PFOA | 13.4 | ng/L | 2023-06-28 |
| Acton Water Supply District | PFHPA | 5.2 | ng/L | 2023-06-28 |
| Acton Water Supply District | PFBA | 14.1 | ng/L | 2023-06-28 |
| Acton Water Supply District | PFPEA | 4.9 | ng/L | 2023-06-28 |
| Braintree Water and Sewer Dept. | PFHXA | 4 | ng/L | 2023-06-26 |
| Braintree Water and Sewer Dept. | PFOA | 4.8 | ng/L | 2023-06-26 |
| Braintree Water and Sewer Dept. | PFOS | 7.5 | ng/L | 2023-06-26 |
| Braintree Water and Sewer Dept. | PFBS | 3 | ng/L | 2023-06-26 |
| Braintree Water and Sewer Dept. | PFPEA | 3.7 | ng/L | 2023-06-26 |
| Bridgewater Water Department | PFHXA | 3 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFOA | 8 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFOS | 7 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFHXS | 4 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFBS | 4 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFHXA | 4 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFOA | 6 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFBS | 3 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFPEA | 4 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFHXA | 7 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFPEA | 7 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFHPA | 3 | ng/L | 2023-06-22 |
| Bridgewater Water Department | PFOA | 9 | ng/L | 2023-06-22 |
| Oak Bluffs Water District | PFHXA | 3 | ng/L | 2023-06-21 |
| Oak Bluffs Water District | PFPEA | 3 | ng/L | 2023-06-21 |
| Aquarion Water Company, Millbury | PFPEA | 3.4 | ng/L | 2023-06-13 |
| Aquarion Water Company, Millbury | PFBA | 15.9 | ng/L | 2023-06-13 |
| Acton Water Supply District | PFHXA | 7.1 | ng/L | 2023-06-05 |
| Acton Water Supply District | PFBS | 3.7 | ng/L | 2023-06-05 |
| Acton Water Supply District | PFPEA | 8.1 | ng/L | 2023-06-05 |
| Acton Water Supply District | PFOS | 4.6 | ng/L | 2023-06-05 |
| Acton Water Supply District | PFOA | 7.1 | ng/L | 2023-06-05 |
| Revere Water Division (mwra) | 6-2-FTS | 6.2 | ng/L | 2023-05-23 |
| North Adams Water Dept | PFOA | 5.9 | ng/L | 2023-05-18 |
| Southbridge Water Department | PFBA | 5 | ng/L | 2023-05-16 |
| Westborough Water Department | PFOA | 5.8 | ng/L | 2023-05-16 |
| Westborough Water Department | PFOS | 7.5 | ng/L | 2023-05-16 |
| Hyannis Water System, Town of Barnstable | PFPEA | 4.3 | ng/L | 2023-05-16 |
| Hyannis Water System, Town of Barnstable | PFPEA | 29.8 | ng/L | 2023-05-16 |
| Hyannis Water System, Town of Barnstable | PFBA | 16.8 | ng/L | 2023-05-16 |
| Hyannis Water System, Town of Barnstable | PFHXA | 5.8 | ng/L | 2023-05-16 |
| Lynn Water and Sewer Comm | PFHXA | 4.2 | ng/L | 2023-05-03 |
| Lynn Water and Sewer Comm | PFPEA | 3.9 | ng/L | 2023-05-03 |
| Holden Water Division, DPW | PFHXA | 3.1 | ng/L | 2023-04-25 |
| Holden Water Division, DPW | PFOA | 4.3 | ng/L | 2023-04-25 |
| Holden Water Division, DPW | PFBS | 3.3 | ng/L | 2023-04-25 |
| Webster Water Department | PFPEA | 4.8 | ng/L | 2023-04-19 |
| Wayland Water Department | PFPEA | 4 | ng/L | 2023-04-11 |
| Wayland Water Department | PFOS | 4 | ng/L | 2023-04-11 |
| Wayland Water Department | PFOA | 9 | ng/L | 2023-04-11 |
| Wayland Water Department | PFHXA | 4 | ng/L | 2023-04-11 |
| Wayland Water Department | PFHPA | 4 | ng/L | 2023-04-11 |
| Holden Water Division, DPW | PFBA | 16.2 | ng/L | 2023-04-10 |
| Westford Water Department | PFHXA | 4.1 | ng/L | 2023-04-10 |
| Westford Water Department | PFBS | 3.2 | ng/L | 2023-04-10 |
| Westford Water Department | PFOS | 4.4 | ng/L | 2023-04-10 |
| Westford Water Department | PFOA | 8.6 | ng/L | 2023-04-10 |
| Westford Water Department | PFPEA | 4 | ng/L | 2023-04-10 |
| Braintree Water and Sewer Dept. | PFOA | 4.4 | ng/L | 2023-03-27 |
| Braintree Water and Sewer Dept. | PFOS | 6.2 | ng/L | 2023-03-27 |
| Braintree Water and Sewer Dept. | PFHXA | 3.1 | ng/L | 2023-03-27 |
| Braintree Water and Sewer Dept. | PFPEA | 3.5 | ng/L | 2023-03-27 |
| Aquarion Water Company, Millbury | PFPEA | 3 | ng/L | 2023-03-21 |
| Aquarion Water Company, Millbury | PFBA | 6.8 | ng/L | 2023-03-21 |
| Acton Water Supply District | PFBA | 11.8 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFHPA | 4.6 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFHXS | 3.2 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFHXA | 5.2 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFPEA | 4.4 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFOA | 11.3 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFBS | 3.2 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFOA | 6.1 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFPEA | 6.4 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFOS | 4.2 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFHXA | 5.5 | ng/L | 2023-03-15 |
| Acton Water Supply District | PFHXA | 3 | ng/L | 2023-03-13 |
| Acton Water Supply District | PFOA | 5.1 | ng/L | 2023-03-13 |
| Acton Water Supply District | PFOS | 4.9 | ng/L | 2023-03-13 |
| Acton Water Supply District | PFBS | 3.5 | ng/L | 2023-03-13 |
| Scituate Water Division | PFBS | 3 | ng/L | 2023-02-28 |
| Scituate Water Division | PFOS | 5.7 | ng/L | 2023-02-28 |
| Scituate Water Division | PFOA | 5.5 | ng/L | 2023-02-28 |
| Scituate Water Division | PFHXA | 3 | ng/L | 2023-02-28 |
| Southbridge Water Department | PFBA | 5 | ng/L | 2023-02-21 |
| Lynn Water and Sewer Comm | PFHXA | 4 | ng/L | 2023-02-08 |
| Lynn Water and Sewer Comm | PFPEA | 4.1 | ng/L | 2023-02-08 |
| Easton Water Div | PFBS | 3.3 | ng/L | 2023-01-18 |
| Easton Water Div | PFOS | 6.1 | ng/L | 2023-01-18 |
| Easton Water Div | PFHXS | 3.1 | ng/L | 2023-01-18 |
| Easton Water Div | PFOS | 5.7 | ng/L | 2023-01-18 |
Fuente: EPA SDWIS, consultado 2026-06-11