http://www.ojodigital.com/foro/ecologicas-denuncias/257329-rio-de-la-plata.html

Warning! contaminated area!
La Plata River is not the best place to bathe nor to drink water,
we all know it is seriously contaminated
but this situation can change
We all can help, everything's not lost
Stop contaminating, the river is important for all of us!