This link represents a move to pushback on the EU directives that are trying to make water something that can be privatized. The link is about the anti-privatization move from the EU citizens.
You should visit sites like:
https://www.commondreams.org/headline/2012/10/17-2 to get a better grasp of the discussion before stating there is no evidence that the EU is selling "its" water. First, water doesn't belong to the EU. Second, the comission has accepted a report that pushed legislation towards water being privatized, exploiting some nations over others.
You can read more at
http://corporateeurope.org/pressreleases/2012/eu-commission-...
I don't know if this passes for "evidence" under your scrutiny, but the first site you found to have nothing to discuss shows how almost a million europeans are on to this corporate exploratory move.