Data source · U.S. Environmental Protection Agency

PFAS WQP Results

The Water Quality Portal's PFAS ambient sampling results (joint USGS/EPA/state/tribal warehouse), filtered via WQP's own characteristicType=PFAS preset. 387,690 sampling results across 9,778 monitoring locations nationw…

FreeFull fileNationalUnited States

What it answers ↓

0Questions answered

1Fields delivered

1Country

Questions this answers

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Fields it delivers

1 field

PFAS sampling result indicator

CoverageNational

The first-party EPA product is represented as nationwide United States data; it covers the relevant regulated, reported, or program-participating population rather than every place or entity.

Access & termsFree

The cited publisher route provides the data through a direct public download, API, or lookup without a subscription, order, membership, or per-use payment. Commercial services may repackage the data, but they are not required to access this source.

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