Predictions of groundwater PFAS occurrence at drinking water supply depths in the United States
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Abstract
Per- and polyfluoroalkyl substances (PFAS), known colloquially as “forever chemicals”, have been associated with adverse human health effects and have contaminated drinking water supplies across the United States owing to their long-term and widespread use. People in the United States may unknowingly be drinking water that contains PFAS because of a lack of systematic analysis, particularly in domestic water supplies. We present an extreme gradient boosting model for predicting the occurrence of PFAS in groundwater at the depths of drinking water supply for the conterminous United States. Our model results indicate that 71 to 95 million people in the conterminous United States potentially rely on groundwater with detectable concentrations of PFAS for their drinking-water supplies prior to any treatment.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Predictions of groundwater PFAS occurrence at drinking water supply depths in the United States |
| Series title | Science |
| DOI | 10.1126/science.ado6638 |
| Volume | 386 |
| Issue | 6723 |
| Year Published | 2024 |
| Language | English |
| Publisher | Science |
| Contributing office(s) | California Water Science Center, New England Water Science Center, New Jersey Water Science Center, New Mexico Water Science Center, South Atlantic Water Science Center, Lower Mississippi-Gulf Water Science Center, National Water Quality Program |
| Description | 8 p. |
| First page | 748 |
| Last page | 755 |
| Country | United States |
| Other Geospatial | conterminous United States |