State
Oregon: drinking water records
EPA lists 943 community water systems serving homes in Oregon. 123 took part in EPA's national PFAS survey (UCMR 5), and 17 found at least one PFAS above the level laboratories can measure.
In focus943community water systems
Public records. Clearer context.
0
ZIP reports published
943
community water systems
314
systems with a health-based violation since 2016
72
systems that reached the lead action level since 2016
Counties
- Baker County 9 systems
- Benton County 15 systems
- Clackamas County 88 systems
- Clatsop County 21 systems
- Columbia County 37 systems
- Coos County 22 systems
- Crook County 18 systems
- Curry County 13 systems
- Deschutes County 66 systems
- Douglas County 36 systems
- Gilliam County 3 systems
- Grant County 8 systems
- Harney County 5 systems
- Hood River County 6 systems
- Jackson County 64 systems
- Jefferson County 5 systems
- Josephine County 36 systems
- Klamath County 27 systems
- Lake County 3 systems
- Lane County 72 systems
- Lincoln County 34 systems
- Linn County 39 systems
- Malheur County 6 systems
- Marion County 72 systems
- Morrow County 8 systems
- Multnomah County 25 systems
- Polk County 13 systems
- Sherman County 5 systems
- Tillamook County 35 systems
- Umatilla County 32 systems
- Union County 9 systems
- Wallowa County 6 systems
- Wasco County 23 systems
- Washington County 30 systems
- Wheeler County 3 systems
- Yamhill County 38 systems
ZIP reports
Sources
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.