killerweed420 - LOl I love that, very apocalyptic.

This is insane. Fuck me. Glad I'm not in U.S.
Although there's no guarantee it hasn't happened in Aus also. :S

But it also says it could be from humans shitting out non metabolised drugs and the idiots who throw them down the toilet. I've always wondered why anyone would do that. But yes no doubt a lot is from Pharma.