The Thirst for Safe Water, Part 3: Mississippi Drinking Water: Epic Danger

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The Mississippi watershed drains more than a million square miles of forests, farmland and cities in North America, often carrying with it a heavy load of pesticides and other pollutants. For the people who have to draw their drinking water from the river, the high concentrations of toxic chemicals are a cause for concern. Brenda Tremblay (TROM-blay) travels down the Mississippi from St. Louis to New Orleans for this report.
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