What reason do we have to think that this situation is not perfectly normal? Or even supposing it's not, why would we assume that estrogen from the pill is to blame? This is anecdotal statistics at its absolute worst. Lately it seems it's been the global warmist scaremongerers who have been using "evidence" of this sort - but clearly they're not the only ones who can play that game.
“Or even supposing it’s not, why would we assume that estrogen from the pill is to blame? “
Because they can measure the levels of estrogen in the water and they are high enough to be absorbed by animals and humans.
This is, most likely, why young girls are entering puberty so much earlier than they did several decades ago.
This is not just scaremongering, this is actually a valid issue.