San francisco tap water sex hormones

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Researchers at the U. Sixty-three pharmaceuticals or byproducts were found in the city's watersheds. But the presence of so many prescription drugs -- and over-the-counter medicines like acetaminophen and ibuprofen -- in so much of our drinking water is heightening worries among scientists of long-term consequences to human health. Bottlers, some of which simply repackage tap water, do not typically treat or test for pharmaceuticals, according to the industry's main trade group.

San francisco tap water sex hormones


As more and more people in the world take more and more drugs, and flush them, either unused or after metabolizing them, the concentrations entering the water system goes up. Geologiccal Survey of Portland-area rivers and streams that found caffeine, Prozac and Tagamet. Though more caffeine was detected at suburban sites, researcher Anthony Aufdenkampe was struck by the relatively high levels even in less populated areas. Members of the AP National Investigative Team reviewed hundreds of scientific reports, analyzed federal drinking water databases, visited environmental study sites and treatment plants and interviewed more than officials, academics and scientists. How do the drugs get into the water? Drugs and their derivatives get into the drinking water supply because when people on medication go to the toilet they excrete whatever the body does not absorb and any matabolized byproducts. Here's the list of metropolitan areas, with the number of pharmaceuticals detected and some examples of specific drugs that were found, or where tests were negative, not conducted or awaiting results: But the presence of so many prescription drugs - and over-the-counter medicines like acetaminophen and ibuprofen - in so much of our drinking water is heightening worries among scientists of long-term consequences to human health. Of the 62 major water providers contacted, the drinking water for only 28 was tested. Sixty-three pharmaceuticals or byproducts were found in the city's watersheds. Rural consumers who draw water from their own wells aren't in the clear either, experts say. Bottled water and home filtration systems are also affected. So when they get out to the environment, it should not be a shock to people that they have effects. It looks like portions of our site are being blocked! By Catharine Paddock PhD A five month investigation by the Associated Press has discovered that small quantities of drugs, including antibiotics , sex hormones, and anti-seizure compounds, have been found in public drinking water supplied to over 40 million Americans across the US. For example, the head of a group representing major California suppliers said the public "doesn't know how to interpret the information" and might be unduly alarmed. Bottled water is drinking water suspended in a wasteful plastic shell. The wastewater is treated before it is discharged into reservoirs, rivers or lakes. Researchers at the U. Clinical trials of drugs concern themselves with a limited time period and use dosage amounts to test safety and side effects. And it is not just human waste that puts drugs into the water system, but animal waste too, ranging from drugs used to treat domestic pets, to steroids used to treat cattle. They also surveyed the nation's 50 largest cities and a dozen other major water providers, as well as smaller community water providers in all 50 states. For example, water department officials in New Orleans said their water had not been tested for pharmaceuticals, but a Tulane University researcher and his students have published a study that found the pain reliever naproxen, the sex hormone estrone and the anti-cholesterol drug byproduct clofibric acid in treated drinking water. Three medications, including an antibiotic, were found in drinking water supplied to Tucson, Ariz. In a statement, they insisted that "New York City's drinking water continues to meet all federal and state regulations regarding drinking water quality in the watershed and the distribution system" - regulations that do not address trace pharmaceuticals. The AP also contacted 52 small water providers - one in each state, and two each in Missouri and Texas - that serve communities with populations around 25,

San francisco tap water sex hormones

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