USGS CoreCast
It's natural science from the inside out.
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More than 20 percent of private, domestic wells contain at least one contaminant at levels of potential health concern. About 43 million people—or 15 percent of the Nation's population—use drinking water from private wells, which are not regulated by the Federal Safe Drinking Water Act. USGS scientist Leslie Desimone discusses the new study, the contaminants found, and the implications for society. (5:30) | Transcript/Links | Download directly (5.12 MB) (right-click to save) |
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Safe drinking water supplies are critical to maintaining and preserving public health. But how healthy is that resource? A recent USGS study found low levels of man-made chemicals in water entering and leaving drinking water treatment plants. USGS lead scientist Greg Delzer explains the findings of this study. (7:42) | Transcript/Links | Download directly (7.13 MB) (right-click to save) |
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