There is quite a lot going on from a natural point of view. And I am sure, human interference has only exacerbated the problem once the dams were breached.
So, in essence, with their Agenda 2030 sustainability goals, the have effectively excluded the people from this water.
https://metager.org/meta/meta.ger3?eingabe=vulcanic%20activity%20in%20klamath%20river%20system%20heavy%20metals&focus=web&m=en_US&mgv=ce5aa135aa6ed2eabdd475b6ecd7b72e&ua=1
There is quite a lot going on from a natural point of view. And I am sure, human interference has only exacerbated the problem once the dams were breached.
So, in essence, with their Agenda 2030 sustainability goals, the have effectively excluded the people from this water.