We’ve written before about how prescription drugs aregetting into water supplies. It’s recently been discoveredthat water in London is tainted with Prozac. How well do ourwater treatment plants get rid of these drugs?
Wastewater treatment plants that use a combination ofpurifying techniques followed by reverse osmosis, wherewater is forced through a barrier that only water can passthrough, do a good job of removing chemicals. But old-styletreatment plants do not remove prescription drugs from thewater we drink.