PFAS en el agua potable de Washington
Esta página reúne las detecciones de PFAS reportadas por sistemas públicos de agua en Washington 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 | 376 |
| Sistemas con detecciones | 42 |
| Compuestos detectados | 9 |
Compuestos detectados
| Compuesto | Detecciones |
|---|---|
| PFBS | 106 |
| PFOS | 73 |
| PFHxS | 66 |
| PFPeA | 47 |
| PFHxA | 39 |
| PFOA | 32 |
| PFBA | 7 |
| PFHpA | 4 |
| PFPeS | 2 |
Detecciones
| Sistema | Compuesto | Nivel | Unidad | Fecha |
|---|---|---|---|---|
| Lacey Water Department | PFHXS | 3.1 | ng/L | 2025-11-24 |
| City of Tacoma Water Division | PFHXS | 5.1 | ng/L | 2025-10-08 |
| City of Tacoma Water Division | PFHXS | 4.7 | ng/L | 2025-10-01 |
| City of Tacoma Water Division | PFBS | 3.3 | ng/L | 2025-10-01 |
| City of Washougal | PFBS | 3.3 | ng/L | 2025-08-05 |
| City of Washougal | PFOS | 5.3 | ng/L | 2025-08-05 |
| City of Washougal | PFPEA | 3.1 | ng/L | 2025-08-05 |
| City of Washougal | PFOS | 7.9 | ng/L | 2025-08-05 |
| City of Washougal | PFBS | 3.3 | ng/L | 2025-08-05 |
| City of Tacoma Water Division | PFHXS | 4.2 | ng/L | 2025-07-17 |
| Lacey Water Department | PFBS | 3.3 | ng/L | 2025-06-12 |
| Lacey Water Department | PFHXA | 3.1 | ng/L | 2025-06-12 |
| City of Auburn | PFBS | 4.1 | ng/L | 2025-05-19 |
| Liberty Lake Sewer & Water District | PFBS | 3.2 | ng/L | 2025-05-15 |
| Skagit County PUD 1 Judy Res | PFBA | 21.1 | ng/L | 2025-05-14 |
| City of Tacoma Water Division | PFHXS | 5.1 | ng/L | 2025-04-17 |
| Spanaway Water Company | PFBS | 4.5 | ng/L | 2025-02-12 |
| Spanaway Water Company | PFOS | 8.3 | ng/L | 2025-02-12 |
| Spanaway Water Company | PFHXA | 5.9 | ng/L | 2025-02-12 |
| Spanaway Water Company | PFOA | 6.2 | ng/L | 2025-02-12 |
| Spanaway Water Company | PFPEA | 5.8 | ng/L | 2025-02-12 |
| Spanaway Water Company | PFBS | 7.5 | ng/L | 2025-02-12 |
| Spanaway Water Company | PFBS | 3.2 | ng/L | 2025-02-12 |
| Spanaway Water Company | PFBS | 3.6 | ng/L | 2025-02-12 |
| Spanaway Water Company | PFPEA | 3 | ng/L | 2025-02-12 |
| Spanaway Water Company | PFOS | 4.1 | ng/L | 2025-02-12 |
| Kent Water Department | PFBS | 3.4 | ng/L | 2025-02-04 |
| Centralia Public Works - Water | PFOS | 5.8 | ng/L | 2025-02-02 |
| Centralia Public Works - Water | PFBS | 4.2 | ng/L | 2025-02-02 |
| Centralia Public Works - Water | PFOS | 5.4 | ng/L | 2025-02-02 |
| Lakehaven Water and Sewer District | PFPEA | 13.7 | ng/L | 2024-12-06 |
| Lakehaven Water and Sewer District | PFHPA | 3.5 | ng/L | 2024-12-06 |
| Lakehaven Water and Sewer District | PFHXA | 7.5 | ng/L | 2024-12-06 |
| Lakehaven Water and Sewer District | PFHXS | 5.8 | ng/L | 2024-12-05 |
| Bonney Lake Water Department City | PFBS | 4.1 | ng/L | 2024-11-20 |
| Bonney Lake Water Department City | PFBS | 3 | ng/L | 2024-11-20 |
| Cross Valley Water District | PFBS | 9.4 | ng/L | 2024-11-13 |
| Cross Valley Water District | PFPEA | 4.9 | ng/L | 2024-11-13 |
| Cross Valley Water District | PFHXA | 6.4 | ng/L | 2024-11-13 |
| Covington Water District | PFHXA | 3.3 | ng/L | 2024-11-13 |
| Covington Water District | PFPEA | 3.9 | ng/L | 2024-11-13 |
| Covington Water District | PFBS | 14 | ng/L | 2024-11-13 |
| Covington Water District | PFOS | 8.3 | ng/L | 2024-11-13 |
| Covington Water District | PFHXS | 6.6 | ng/L | 2024-11-13 |
| City of Auburn | PFBS | 3.9 | ng/L | 2024-11-06 |
| Southwood | PFOS | 6 | ng/L | 2024-10-22 |
| Southwood | PFBS | 4.9 | ng/L | 2024-10-22 |
| Southwood | PFHXA | 13 | ng/L | 2024-10-21 |
| Southwood | PFPEA | 31 | ng/L | 2024-10-21 |
| Southwood | PFBA | 14 | ng/L | 2024-10-21 |
| Southwood | PFPEA | 110 | ng/L | 2024-10-21 |
| Southwood | PFHXA | 48 | ng/L | 2024-10-21 |
| Southwood | PFBS | 4.2 | ng/L | 2024-10-21 |
| Southwood | PFBS | 6.1 | ng/L | 2024-10-16 |
| Southwood | PFOS | 4.5 | ng/L | 2024-10-16 |
| Southwood | PFBS | 6.2 | ng/L | 2024-10-16 |
| Lakewood Water District | PFBS | 3.5 | ng/L | 2024-10-08 |
| Lakewood Water District | PFHXS | 5.2 | ng/L | 2024-10-08 |
| Lakewood Water District | PFOS | 5.3 | ng/L | 2024-10-08 |
| Lakewood Water District | PFBA | 5.2 | ng/L | 2024-10-08 |
| Lakewood Water District | PFPEA | 4.7 | ng/L | 2024-10-08 |
| Bonney Lake Water Department City | PFBS | 3.6 | ng/L | 2024-09-12 |
| Parkland Light & Water Company | PFPEA | 5.5 | ng/L | 2024-08-21 |
| Parkland Light & Water Company | PFBS | 6.9 | ng/L | 2024-08-21 |
| Parkland Light & Water Company | PFHXA | 3.6 | ng/L | 2024-08-21 |
| Parkland Light & Water Company | PFOA | 6.1 | ng/L | 2024-08-21 |
| Parkland Light & Water Company | PFOS | 13.7 | ng/L | 2024-08-21 |
| Parkland Light & Water Company | PFHXS | 4.7 | ng/L | 2024-08-21 |
| Parkland Light & Water Company | PFOS | 4.3 | ng/L | 2024-08-21 |
| Centralia Public Works - Water | PFOS | 5.2 | ng/L | 2024-08-20 |
| Centralia Public Works - Water | PFBS | 3.9 | ng/L | 2024-08-20 |
| Centralia Public Works - Water | PFBS | 3.3 | ng/L | 2024-08-20 |
| Centralia Public Works - Water | PFOS | 4.6 | ng/L | 2024-08-20 |
| Spanaway Water Company | PFOS | 4.5 | ng/L | 2024-08-13 |
| Spanaway Water Company | PFBS | 5.6 | ng/L | 2024-08-13 |
| Spanaway Water Company | PFHXS | 3.7 | ng/L | 2024-08-13 |
| Spanaway Water Company | PFPEA | 5.2 | ng/L | 2024-08-13 |
| Spanaway Water Company | PFHXA | 3.4 | ng/L | 2024-08-13 |
| Spanaway Water Company | PFOS | 6.4 | ng/L | 2024-08-13 |
| Spanaway Water Company | PFHXS | 3.3 | ng/L | 2024-08-13 |
| Spanaway Water Company | PFBS | 4.4 | ng/L | 2024-08-12 |
| Spanaway Water Company | PFBS | 5.4 | ng/L | 2024-08-12 |
| Spanaway Water Company | PFOS | 6.1 | ng/L | 2024-08-12 |
| Lakehaven Water and Sewer District | PFOS | 4.1 | ng/L | 2024-07-17 |
| Lakehaven Water and Sewer District | PFHXS | 5.8 | ng/L | 2024-07-17 |
| Lakehaven Water and Sewer District | PFPEA | 11.7 | ng/L | 2024-07-17 |
| Lakehaven Water and Sewer District | PFOS | 4.1 | ng/L | 2024-07-17 |
| Lakehaven Water and Sewer District | PFHPA | 3.6 | ng/L | 2024-07-17 |
| Lakehaven Water and Sewer District | PFHXA | 7.6 | ng/L | 2024-07-17 |
| Lakehaven Water and Sewer District | PFBS | 4 | ng/L | 2024-07-17 |
| City of Bremerton | PFBS | 4.9 | ng/L | 2024-07-08 |
| West Sound Utility District #1 | PFPEA | 5.3 | ng/L | 2024-06-25 |
| West Sound Utility District #1 | PFOA | 5.7 | ng/L | 2024-06-25 |
| West Sound Utility District #1 | PFHXA | 4.9 | ng/L | 2024-06-25 |
| West Sound Utility District #1 | PFHXS | 8 | ng/L | 2024-06-25 |
| Lacey Water Department | PFBS | 4.2 | ng/L | 2024-06-25 |
| Lacey Water Department | PFPEA | 18.8 | ng/L | 2024-06-25 |
| Lacey Water Department | PFHXA | 9.8 | ng/L | 2024-06-25 |
| Bonney Lake Water Department City | PFBS | 3.3 | ng/L | 2024-06-24 |
| City of Puyallup | PFBS | 4.4 | ng/L | 2024-06-24 |
| Bonney Lake Water Department City | PFBS | 4.7 | ng/L | 2024-05-22 |
| Covington Water District | PFOS | 8.6 | ng/L | 2024-05-15 |
| Covington Water District | PFHXS | 7.5 | ng/L | 2024-05-15 |
| Covington Water District | PFBS | 13 | ng/L | 2024-05-15 |
| Covington Water District | PFPEA | 3.4 | ng/L | 2024-05-15 |
| Cross Valley Water District | PFBS | 8.7 | ng/L | 2024-05-14 |
| Cross Valley Water District | PFHXA | 4.9 | ng/L | 2024-05-14 |
| Cross Valley Water District | PFPEA | 4.6 | ng/L | 2024-05-14 |
| City of Redmond Water System | PFOS | 5 | ng/L | 2024-05-13 |
| City of Redmond Water System | PFBS | 5 | ng/L | 2024-05-13 |
| City of Moses Lake | PFHXS | 3.3 | ng/L | 2024-05-07 |
| City of Moses Lake | PFHXS | 9.4 | ng/L | 2024-04-24 |
| City of Moses Lake | PFOS | 10.6 | ng/L | 2024-04-24 |
| City of Olympia | PFBS | 4.3 | ng/L | 2024-04-23 |
| City of Olympia | PFPEA | 3.3 | ng/L | 2024-04-23 |
| City of Olympia | PFOS | 5.8 | ng/L | 2024-04-23 |
| City of Olympia | PFOA | 4.3 | ng/L | 2024-04-23 |
| City of Olympia | PFHXA | 4 | ng/L | 2024-04-23 |
| Lakewood Water District | PFBS | 3.7 | ng/L | 2024-04-17 |
| Lakewood Water District | PFHXS | 5.6 | ng/L | 2024-04-17 |
| Lakewood Water District | PFOS | 5.9 | ng/L | 2024-04-17 |
| Lakewood Water District | PFPEA | 8.2 | ng/L | 2024-04-17 |
| Lakewood Water District | PFBA | 6.6 | ng/L | 2024-04-17 |
| Southwood | PFOA | 4.2 | ng/L | 2024-04-03 |
| Southwood | PFOS | 4.4 | ng/L | 2024-04-03 |
| Southwood | PFBS | 5.8 | ng/L | 2024-04-03 |
| Southwood | PFBS | 6.2 | ng/L | 2024-04-02 |
| Southwood | PFOS | 8.9 | ng/L | 2024-04-02 |
| Southwood | PFOA | 6.2 | ng/L | 2024-04-02 |
| Southwood | PFPEA | 4 | ng/L | 2024-04-02 |
| Southwood | PFHXA | 4.6 | ng/L | 2024-04-02 |
| Southwood | PFOA | 4.2 | ng/L | 2024-04-02 |
| Southwood | PFBS | 4.8 | ng/L | 2024-04-02 |
| Southwood | PFOS | 5 | ng/L | 2024-04-02 |
| Whitworth Water District 2 | PFPEA | 3.1 | ng/L | 2024-04-02 |
| Whitworth Water District 2 | PFOS | 4.6 | ng/L | 2024-04-02 |
| Whitworth Water District 2 | PFBS | 5.2 | ng/L | 2024-04-02 |
| Whitworth Water District 2 | PFHXA | 3.1 | ng/L | 2024-04-02 |
| Whitworth Water District 2 | PFPEA | 3.5 | ng/L | 2024-04-02 |
| Southwood | PFBS | 6.7 | ng/L | 2024-04-01 |
| Southwood | PFOS | 4 | ng/L | 2024-04-01 |
| Southwood | PFBS | 4.6 | ng/L | 2024-04-01 |
| Cedar River Water & Sewer District | PFBA | 12.2 | ng/L | 2024-03-07 |
| Quimper | PFBS | 3.1 | ng/L | 2024-03-04 |
| City of Puyallup | PFBS | 4.3 | ng/L | 2024-02-20 |
| City of Spokane | PFPEA | 3.3 | ng/L | 2024-02-20 |
| City of Spokane | PFHXA | 3.5 | ng/L | 2024-02-20 |
| City of Spokane | PFOS | 6.1 | ng/L | 2024-02-20 |
| City of Spokane | PFBS | 3.9 | ng/L | 2024-02-20 |
| Parkland Light & Water Company | PFPEA | 4.2 | ng/L | 2024-02-13 |
| Parkland Light & Water Company | PFOS | 13.8 | ng/L | 2024-02-13 |
| Parkland Light & Water Company | PFOA | 6.2 | ng/L | 2024-02-13 |
| Parkland Light & Water Company | PFHXS | 4.6 | ng/L | 2024-02-13 |
| Parkland Light & Water Company | PFBS | 7.5 | ng/L | 2024-02-13 |
| Parkland Light & Water Company | PFHXS | 3.1 | ng/L | 2024-02-13 |
| Parkland Light & Water Company | PFBS | 4.8 | ng/L | 2024-02-13 |
| Parkland Light & Water Company | PFOA | 4.2 | ng/L | 2024-02-13 |
| Parkland Light & Water Company | PFOS | 9.7 | ng/L | 2024-02-13 |
| Sammamish Plateau Water & Sewer | PFHXS | 3.4 | ng/L | 2024-02-12 |
| City of Moses Lake | PFHXS | 9 | ng/L | 2024-02-07 |
| Firgrove Mutual Inc | PFBS | 4.3 | ng/L | 2024-01-30 |
| City of Redmond Water System | PFBS | 3.4 | ng/L | 2024-01-10 |
| Fruitland Mutual Water Company | PFBS | 4.7 | ng/L | 2024-01-09 |
| Fruitland Mutual Water Company | PFHXA | 3.1 | ng/L | 2024-01-09 |
| Fruitland Mutual Water Company | PFPEA | 3.4 | ng/L | 2024-01-09 |
| City of Kennewick | PFPEA | 6.8 | ng/L | 2024-01-03 |
| City of Kennewick | PFBS | 6.4 | ng/L | 2024-01-03 |
| City of Kennewick | PFHXA | 6.3 | ng/L | 2024-01-03 |
| City of Kennewick | PFHXS | 10.6 | ng/L | 2024-01-03 |
| City of Kennewick | PFOS | 11.5 | ng/L | 2024-01-03 |
| City of Kennewick | PFOA | 4.3 | ng/L | 2024-01-03 |
| City of Vancouver | PFHXS | 4.9 | ng/L | 2023-11-29 |
| City of Vancouver | PFOS | 4.4 | ng/L | 2023-11-29 |
| City of Vancouver | PFBS | 3.6 | ng/L | 2023-11-29 |
| City of Vancouver | PFOS | 5.8 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXS | 5.5 | ng/L | 2023-11-29 |
| City of Vancouver | PFBS | 4.3 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXA | 3 | ng/L | 2023-11-29 |
| City of Vancouver | PFOA | 5.6 | ng/L | 2023-11-29 |
| City of Vancouver | PFOS | 14.9 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXS | 6.2 | ng/L | 2023-11-29 |
| City of Vancouver | PFBS | 4.4 | ng/L | 2023-11-29 |
| City of Vancouver | PFPEA | 3.1 | ng/L | 2023-11-29 |
| City of Vancouver | PFOS | 4.5 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXS | 4 | ng/L | 2023-11-29 |
| City of Vancouver | PFOA | 6 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXS | 3.2 | ng/L | 2023-11-29 |
| City of Vancouver | PFOS | 12.3 | ng/L | 2023-11-29 |
| City of Vancouver | PFPEA | 6.4 | ng/L | 2023-11-29 |
| City of Vancouver | PFBS | 5.8 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXA | 6.9 | ng/L | 2023-11-29 |
| City of Vancouver | PFPEA | 4.6 | ng/L | 2023-11-29 |
| City of Vancouver | PFBS | 4.9 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXS | 3.3 | ng/L | 2023-11-29 |
| City of Vancouver | PFOS | 11.2 | ng/L | 2023-11-29 |
| City of Vancouver | PFOA | 5.5 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXA | 5.8 | ng/L | 2023-11-29 |
| City of Vancouver | PFOA | 11.5 | ng/L | 2023-11-29 |
| City of Vancouver | PFOS | 18.6 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXS | 5.2 | ng/L | 2023-11-29 |
| City of Vancouver | PFBS | 7.6 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXA | 5 | ng/L | 2023-11-29 |
| City of Vancouver | PFPEA | 4 | ng/L | 2023-11-29 |
| City of Vancouver | PFOS | 15.3 | ng/L | 2023-11-29 |
| City of Vancouver | PFOA | 5 | ng/L | 2023-11-29 |
| City of Vancouver | PFBS | 6 | ng/L | 2023-11-29 |
| City of Vancouver | PFHXS | 5.2 | ng/L | 2023-11-29 |
| Sammamish Plateau Water & Sewer | PFHXS | 6.8 | ng/L | 2023-11-21 |
| Sammamish Plateau Water & Sewer | PFBS | 5.3 | ng/L | 2023-11-21 |
| Sammamish Plateau Water & Sewer | PFPEA | 3 | ng/L | 2023-11-21 |
| Sammamish Plateau Water & Sewer | PFHXS | 13.1 | ng/L | 2023-11-21 |
| Sammamish Plateau Water & Sewer | PFBS | 6.7 | ng/L | 2023-11-21 |
| Sammamish Plateau Water & Sewer | PFHXA | 3.2 | ng/L | 2023-11-21 |
| Sammamish Plateau Water & Sewer | PFOS | 8.2 | ng/L | 2023-11-21 |
| Jblm McChord Field | PFOS | 5.1 | ng/L | 2023-11-13 |
| Jblm McChord Field | PFHXS | 6.7 | ng/L | 2023-11-13 |
| Jblm McChord Field | PFHXS | 7 | ng/L | 2023-11-13 |
| City of Kennewick | PFBS | 5.4 | ng/L | 2023-11-07 |
| City of Kennewick | PFOS | 8.3 | ng/L | 2023-11-07 |
| City of Kennewick | PFHXS | 10.5 | ng/L | 2023-11-07 |
| City of Kennewick | PFPEA | 6.8 | ng/L | 2023-11-07 |
| City of Kennewick | PFHXA | 5.9 | ng/L | 2023-11-07 |
| Sammamish Plateau Water & Sewer | PFBS | 3.5 | ng/L | 2023-11-06 |
| Sammamish Plateau Water & Sewer | PFHXS | 4.3 | ng/L | 2023-11-06 |
| Sammamish Plateau Water & Sewer | PFOS | 4.2 | ng/L | 2023-11-06 |
| Sammamish Plateau Water & Sewer | PFHXS | 3.1 | ng/L | 2023-11-06 |
| Camas Municipal Water Sewer System | PFOA | 4.4 | ng/L | 2023-10-25 |
| Camas Municipal Water Sewer System | PFOS | 12 | ng/L | 2023-10-25 |
| Camas Municipal Water Sewer System | PFBS | 3.8 | ng/L | 2023-10-25 |
| City of Sequim | PFBS | 3.2 | ng/L | 2023-10-25 |
| Jblm Lewis | PFBS | 3.8 | ng/L | 2023-10-24 |
| Jblm Lewis | PFHXS | 8.4 | ng/L | 2023-10-24 |
| Jblm Lewis | PFOA | 6.8 | ng/L | 2023-10-24 |
| Jblm Lewis | PFOS | 10.8 | ng/L | 2023-10-24 |
| Jblm Lewis | PFOA | 5.8 | ng/L | 2023-10-23 |
| Jblm Lewis | PFOS | 11.1 | ng/L | 2023-10-23 |
| Jblm Lewis | PFHXS | 8.8 | ng/L | 2023-10-23 |
| Jblm Lewis | PFBS | 4.6 | ng/L | 2023-10-23 |
| Jblm Lewis | PFOA | 5.6 | ng/L | 2023-10-23 |
| Jblm Lewis | PFOS | 10.9 | ng/L | 2023-10-23 |
| Jblm Lewis | PFBS | 5.4 | ng/L | 2023-10-23 |
| Jblm Lewis | PFHXS | 8.7 | ng/L | 2023-10-23 |
| Jblm Lewis | PFPEA | 3.1 | ng/L | 2023-10-23 |
| Fruitland Mutual Water Company | PFHXA | 3 | ng/L | 2023-10-23 |
| Fruitland Mutual Water Company | PFBS | 4.8 | ng/L | 2023-10-23 |
| Fruitland Mutual Water Company | PFOA | 4 | ng/L | 2023-10-23 |
| Fruitland Mutual Water Company | PFPEA | 3 | ng/L | 2023-10-23 |
| Fruitland Mutual Water Company | PFBS | 3.2 | ng/L | 2023-10-23 |
| Fruitland Mutual Water Company | PFHXA | 3.4 | ng/L | 2023-10-23 |
| Fruitland Mutual Water Company | PFOA | 4 | ng/L | 2023-10-23 |
| Fruitland Mutual Water Company | PFBS | 5.1 | ng/L | 2023-10-23 |
| Fruitland Mutual Water Company | PFPEA | 3.4 | ng/L | 2023-10-23 |
| City of Tumwater | PFBS | 6.8 | ng/L | 2023-10-19 |
| City of Olympia | PFBS | 4.8 | ng/L | 2023-10-18 |
| Whitworth Water District 2 | PFPEA | 3.2 | ng/L | 2023-10-17 |
| Whitworth Water District 2 | PFPEA | 3 | ng/L | 2023-10-17 |
| Whitworth Water District 2 | PFHXA | 3 | ng/L | 2023-10-17 |
| Whitworth Water District 2 | PFBS | 3.3 | ng/L | 2023-10-17 |
| Firgrove Mutual Inc | PFBS | 3.7 | ng/L | 2023-09-20 |
| City of Vancouver | PFOS | 5.3 | ng/L | 2023-08-30 |
| City of Vancouver | PFHXS | 4.2 | ng/L | 2023-08-30 |
| City of Moses Lake | PFHXS | 3.5 | ng/L | 2023-08-23 |
| City of Moses Lake | PFPES | 5.3 | ng/L | 2023-08-23 |
| City of Moses Lake | PFHXA | 7.3 | ng/L | 2023-08-23 |
| City of Moses Lake | PFHXS | 54.1 | ng/L | 2023-08-23 |
| City of Moses Lake | PFOS | 52.2 | ng/L | 2023-08-23 |
| City of Moses Lake | PFBS | 4.4 | ng/L | 2023-08-23 |
| City of Arlington | PFHXS | 4.3 | ng/L | 2023-08-22 |
| City of Kennewick | PFBS | 5 | ng/L | 2023-08-07 |
| City of Kennewick | PFHXS | 9.1 | ng/L | 2023-08-07 |
| City of Kennewick | PFOS | 10.5 | ng/L | 2023-08-07 |
| City of Kennewick | PFOA | 4.6 | ng/L | 2023-08-07 |
| City of Kennewick | PFPEA | 7.5 | ng/L | 2023-08-07 |
| City of Kennewick | PFHXA | 6.5 | ng/L | 2023-08-07 |
| Sammamish Plateau Water & Sewer | PFHXS | 3.7 | ng/L | 2023-08-07 |
| Fruitland Mutual Water Company | PFBS | 4.9 | ng/L | 2023-07-26 |
| Fruitland Mutual Water Company | PFPEA | 3 | ng/L | 2023-07-26 |
| Firgrove Mutual Inc | PFBS | 4.3 | ng/L | 2023-07-10 |
| Jblm McChord Field | PFOS | 5.3 | ng/L | 2023-06-28 |
| Jblm McChord Field | PFHXS | 8 | ng/L | 2023-06-28 |
| Sammamish Plateau Water & Sewer | PFHXS | 6 | ng/L | 2023-06-26 |
| Sammamish Plateau Water & Sewer | PFBS | 5.3 | ng/L | 2023-06-26 |
| Sammamish Plateau Water & Sewer | PFPEA | 3.9 | ng/L | 2023-06-26 |
| Sammamish Plateau Water & Sewer | PFPES | 4.1 | ng/L | 2023-06-26 |
| Sammamish Plateau Water & Sewer | PFOS | 11.1 | ng/L | 2023-06-26 |
| Sammamish Plateau Water & Sewer | PFHXS | 16.5 | ng/L | 2023-06-26 |
| Sammamish Plateau Water & Sewer | PFBS | 8.8 | ng/L | 2023-06-26 |
| Sammamish Plateau Water & Sewer | PFHXA | 4.3 | ng/L | 2023-06-26 |
| Summit Water & Supply CO | PFPEA | 3.1 | ng/L | 2023-05-30 |
| City of Vancouver | PFBS | 3.2 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXS | 4.9 | ng/L | 2023-05-24 |
| City of Vancouver | PFOS | 4.1 | ng/L | 2023-05-24 |
| City of Vancouver | PFOS | 6.6 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXS | 6.6 | ng/L | 2023-05-24 |
| City of Vancouver | PFBS | 4.3 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXS | 6 | ng/L | 2023-05-24 |
| City of Vancouver | PFOS | 15.1 | ng/L | 2023-05-24 |
| City of Vancouver | PFOA | 5.6 | ng/L | 2023-05-24 |
| City of Vancouver | PFBS | 4.4 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXA | 3.3 | ng/L | 2023-05-24 |
| City of Vancouver | PFPEA | 3.6 | ng/L | 2023-05-24 |
| City of Vancouver | PFPEA | 7.4 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXA | 7.3 | ng/L | 2023-05-24 |
| City of Vancouver | PFOA | 6.1 | ng/L | 2023-05-24 |
| City of Vancouver | PFOS | 13.1 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXS | 3 | ng/L | 2023-05-24 |
| City of Vancouver | PFHPA | 3 | ng/L | 2023-05-24 |
| City of Vancouver | PFBS | 6.2 | ng/L | 2023-05-24 |
| City of Vancouver | PFPEA | 4.7 | ng/L | 2023-05-24 |
| City of Vancouver | PFBS | 4.9 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXS | 3.2 | ng/L | 2023-05-24 |
| City of Vancouver | PFOS | 11.2 | ng/L | 2023-05-24 |
| City of Vancouver | PFOA | 4.9 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXA | 5.1 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXS | 5 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXA | 4.8 | ng/L | 2023-05-24 |
| City of Vancouver | PFOS | 18.1 | ng/L | 2023-05-24 |
| City of Vancouver | PFBS | 7 | ng/L | 2023-05-24 |
| City of Vancouver | PFOA | 10.2 | ng/L | 2023-05-24 |
| City of Vancouver | PFPEA | 4 | ng/L | 2023-05-24 |
| City of Vancouver | PFBS | 6.1 | ng/L | 2023-05-24 |
| City of Vancouver | PFHXS | 4.8 | ng/L | 2023-05-24 |
| City of Vancouver | PFOS | 15.1 | ng/L | 2023-05-24 |
| City of Vancouver | PFOA | 5.7 | ng/L | 2023-05-24 |
| Jblm McChord Field | PFHXS | 7.2 | ng/L | 2023-05-18 |
| Jblm McChord Field | PFOS | 4.1 | ng/L | 2023-05-18 |
| City of Tumwater | PFBS | 6.5 | ng/L | 2023-05-18 |
| Sammamish Plateau Water & Sewer | PFHXS | 7.1 | ng/L | 2023-05-15 |
| Sammamish Plateau Water & Sewer | PFBS | 4 | ng/L | 2023-05-15 |
| Sammamish Plateau Water & Sewer | PFOS | 4.3 | ng/L | 2023-05-15 |
| Jblm Lewis | PFOA | 4.3 | ng/L | 2023-04-19 |
| Jblm Lewis | PFBS | 4.4 | ng/L | 2023-04-19 |
| Jblm Lewis | PFHXS | 8.6 | ng/L | 2023-04-19 |
| Jblm Lewis | PFOS | 9.5 | ng/L | 2023-04-19 |
| Jblm Lewis | PFOS | 7.5 | ng/L | 2023-04-12 |
| Jblm Lewis | PFHXS | 5.2 | ng/L | 2023-04-12 |
| Jblm Lewis | PFBS | 5.3 | ng/L | 2023-04-12 |
| Jblm Lewis | PFOS | 7.6 | ng/L | 2023-04-12 |
| Jblm Lewis | PFHXS | 5.2 | ng/L | 2023-04-12 |
| Jblm Lewis | PFBS | 5.3 | ng/L | 2023-04-12 |
| City of Sequim | PFBS | 5.8 | ng/L | 2023-04-12 |
| Camas Municipal Water Sewer System | PFBS | 3.1 | ng/L | 2023-04-04 |
| Camas Municipal Water Sewer System | PFOS | 6.2 | ng/L | 2023-04-04 |
| Camas Municipal Water Sewer System | PFOS | 4.2 | ng/L | 2023-04-04 |
| Clark Public Utilities | PFHXS | 5.3 | ng/L | 2023-03-28 |
| Clark Public Utilities | PFOS | 8.4 | ng/L | 2023-03-28 |
| Clark Public Utilities | PFOA | 8 | ng/L | 2023-03-28 |
| Clark Public Utilities | PFBS | 4.1 | ng/L | 2023-03-28 |
| Clark Public Utilities | PFHXA | 3.3 | ng/L | 2023-03-28 |
| City of Richland | PFHXA | 11.6 | ng/L | 2023-03-27 |
| City of Richland | PFBS | 8.9 | ng/L | 2023-03-27 |
| City of Richland | PFHPA | 5.8 | ng/L | 2023-03-27 |
| City of Richland | PFHXS | 4.9 | ng/L | 2023-03-27 |
| City of Richland | PFOS | 17 | ng/L | 2023-03-27 |
| City of Richland | PFOA | 10.1 | ng/L | 2023-03-27 |
| City of Richland | PFPEA | 14.5 | ng/L | 2023-03-27 |
| City of Richland | PFBA | 6.6 | ng/L | 2023-03-27 |
| City of Renton | PFBS | 3 | ng/L | 2023-03-23 |
| City of Richland | PFHXA | 6.6 | ng/L | 2023-03-13 |
| City of Richland | PFHXS | 5.4 | ng/L | 2023-03-13 |
| City of Richland | PFBS | 6.1 | ng/L | 2023-03-13 |
| City of Richland | PFPEA | 7.4 | ng/L | 2023-03-13 |
| City of Richland | PFOA | 4.8 | ng/L | 2023-03-13 |
| City of Richland | PFOS | 5 | ng/L | 2023-03-13 |
| City of Woodland | PFBA | 23.4 | ng/L | 2023-03-07 |
| City of Arlington | PFHXS | 4.9 | ng/L | 2023-02-23 |
| City of Kennewick | PFPEA | 6.3 | ng/L | 2023-02-06 |
| City of Kennewick | PFOS | 9.6 | ng/L | 2023-02-06 |
| City of Kennewick | PFBS | 4.6 | ng/L | 2023-02-06 |
| City of Kennewick | PFHXS | 10.3 | ng/L | 2023-02-06 |
| City of Kennewick | PFHXA | 5.8 | ng/L | 2023-02-06 |
| Firgrove Mutual Inc | PFBS | 3.5 | ng/L | 2023-01-24 |
| Firgrove Mutual Inc | PFOA | 4.4 | ng/L | 2023-01-23 |
| Firgrove Mutual Inc | PFOS | 8.6 | ng/L | 2023-01-23 |
| Firgrove Mutual Inc | PFBS | 5.4 | ng/L | 2023-01-23 |
| Firgrove Mutual Inc | PFBS | 4.3 | ng/L | 2023-01-23 |
Fuente: EPA SDWIS, consultado 2026-06-11