There are dangerous chemicals lurking in your tap water. Chlorine, fluoride, nitrates, heavy metals, microorganisms, radiation—these and  thousands of other toxins come to us courtesy of our own government, landfill and agricultural runoff, industrial chemicals, nuclear disasters…to name a few. Now, one familiar toxin is making headlines across the country again. A new study by the U.S. Environmental Protection Agency (EPA) indicates an alarming number of water taps contain the live bacterium Legionella pneumophila. Chemist Maura Donohue and colleagues at the EPA collected over 274 samples from 68 public and private water taps across the U.S. They found that nearly half of all taps—including kitchen and bathroom sinks, drinking fountains, and refrigerator dispensers— contained traces of L. pneumophila in at least one sample. Even worse, 11 of those contained the bacterium in multiple samples! What are my chances of getting Legionnaires’ disease? Legionella pneumophila…