

From a scientific point of view this is correct, the climate system is too complex to say this particular event is due to climate change. Exceptional events happened in the past too. What’s solid science is the increasing averages, increasing frequencies of extreme events etc. If it was scientifically informed, that’s what this kind of sentence mean.
It’s controlled every day and closed if there’s any danger, for example after heavy rains bringing more pollution than usual. They have started finding different forms of life that only happen in very clean waters, it’s pretty cool. One of the few positive ecological news lately.