Programs like Saturday's National Drug Take-Back Day can protect water quality, says David Cwiertny, a water quality expert and professor at the University of Iowa. Researchers have consistently detected trace amounts of pharmaceuticals in Iowa's waterways, says Cwiertny, who notes that flushing drugs or tossing them in the trash can introduce pharmaceutical compounds into rivers, streams and even groundwater through landfill leachate.

Full Story: KCCI-TV (Des Moines, Iowa) 

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Developing more sensitive methods to test for emerging contaminants could improve efforts to monitor their effects on aquatic ecosystems, says a researcher who has published a study in Environmental Pollution on freshwater fish carrying traces of antidepressants and opioids. The study shows that wastewater treatment facilities in Canada reduce concentrations of small drug molecules, like antidepressants and opioids, but don't fully remove the pharmaceutical residues from water.
Full Story: Earth

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