Environmental sample date
The date or datetime on which an environmental sample was collected.
Sources that carry it
6 sourcesSample-level Massachusetts public water system PFAS test results, including analyte, collection date, result, limits, method and sampling location.
PFAS analytical results for raw or untreated drinking-water sampling points, supplied through NJDEP Drinking Water Viewer.
Laboratory sample results from MDE’s phased study of PFAS in public drinking-water systems.
NC DEQ results from 2022 municipal and county public-water-system sampling and 2023–2024 voluntary small-system sampling for multiple PFAS compounds, published as phase-specific data tables.
ADEQ's public quality-assured ArcGIS table of Arizona drinking-water PFAS laboratory results, with one record per sample and tested compound, detection notation, concentration, water-system linkage, and location.
Per-water-system PFAS laboratory sample histories for active Vermont community and non-transient non-community public water systems, delivered as public PDF reports keyed by water-system ID.
Questions it helps answer
Need Environmental sample date at scale?
We compare every source that carries it on your own records — fill rate, freshness, definition — and bring the winner into production for you.