Spatial Extent of Data
USGS Data Source
USGS Thesaurus Keywords
ISO 19115 Topic Category
Other Subject Keywords
Place Keywords
Per- and polyfluoroalkyl substances (PFAS) results in tapwater samples, in select areas within the United States, beginning 2023 (ver. 2.0, June 2025)
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.
| Author(s) |
Molly L Schreiner,
Kristin Romanok |
| Publication Date | 2025-01-27 |
| Beginning Date of Data | 2023-07-01 |
| Ending Date of Data | 2024-10-03 |
| Data Contact | |
| DOI | https://doi.org/10.5066/P14KNKNK |
| Citation | Schreiner, M.L., Romanok, K., Bradley, P.M., Smalling, K., Gray, J.L., and Kanagy, L.K., 2025, Per- and polyfluoroalkyl substances (PFAS) results in tapwater samples, in select areas within the United States, beginning 2023 (ver. 2.0, June 2025): U.S. Geological Survey data release, https://doi.org/10.5066/P14KNKNK. |
| Metadata Contact | |
| Metadata Date | 2025-06-23 |
| Related Publication | There was no related primary publication associated with this data release. |
| Citations of these data | No citations of these data are known at this time. |
| Access | public |
| License | http://www.usa.gov/publicdomain/label/1.0/ |
Harvest Date: 2025-08-19T05:09:35.905Z