it's not just estrogen compounds, they have been able to detect antidepressants, antibiotics and all sorts of other drugs coming out of water treatment plants too. only way to fix this is for the water treatment facilities to be upgraded to take the stuff out of the treated water using reverse osmosis or other real energy intensive methods which are currently too expensive for utility scale use.
http://www.webmd.com/a-to-z-guides/f...drinking-water