Per- and polyfluoroalkyl substances (PFAS) results in tapwater samples, in select areas within the United States, beginning 2023 (ver. 2.0, June 2025)

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: August 25, 2025 | Last Modified: 20250623

This data release provides concentration results for per- and polyfluoroalkyl substances (PFAS) collected by volunteer community members, in tapwater samples from 84 private residences, in select areas within the United States. Samples were collected July 1, 2023, through October 3, 2024. Samples were analyzed at the U.S. Geological Survey National Water Quality Laboratory (NWQL) in Denver, Colorado. Exact site location information for these sites is not available because of privacy concerns.

Find Related Datasets

Click any tag below to search for similar datasets

Complete Metadata

@id	http://datainventory.doi.gov/id/dataset/59475e24759187acc47e0cec97f02de5
bureauCode	[ "010:12" ]
identifier	USGS:6717e8fbd34ee1f0a88222ba
spatial	-121.9894,36.4456,-75.4541,48.9994
theme	[ "geospatial" ]

2 resources available

Location