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Oregon: drinking water records

EPA lists 947 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 focus947community water systems
Public records. Clearer context.

Data as of EPA UCMR 5 final release, August 2026 (file dated Aug 28, 2026) · EPA SDWIS 2026Q2 (file dated Jul 9, 2026). How we build these pages

0
ZIP reports published
947
community water systems
316
systems with a health-based violation since 2016
72
systems that reached the lead action level since 2016

PFAS in EPA’s final survey

17 of the 123 Oregon systems in EPA’s national PFAS survey found at least one PFAS, and 9 had a PFOA or PFOS yearly average at or above EPA’s limit. See Oregon’s PFAS results by system and compound.

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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. Database prepared 2026-09-03.

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