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Delaware: drinking water records

EPA lists 212 community water systems serving homes in Delaware. 34 took part in EPA's national PFAS survey (UCMR 5), and 17 found at least one PFAS above the level laboratories can measure.

In focus212community water systems
Public records. Clearer context.
0
ZIP reports published
212
community water systems
27
systems with a health-based violation since 2016
14
systems that reached the lead action level since 2016

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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.

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