"We're not responsible for telling you whether you can swim in the rivers or not" - shocking message from water company polluting a world-famous river

The river near Little Marlow treatment works.

"We're not responsible for letting the public know whether they can swim in the rivers or not. That's up to them."

That was the message from water company bosses after dangerous levels of contaminants were found in the world-famous Thames river that flows through London.