Yes
At least bacteria. Viruses are a whole different beast but usually viruses are also not the problem in natural watersources.
Be free comes to mind, very popular in europe. Sawyer filters are very popular in the US
There are also combo filters that filter sediment and bacteria and pass the water through a charcoal filter to remove taste and organics.
That is a pretty good way to put it actually
I am going to steal this
Been daily driving KDE on my work machine and for the most part (some issues with video playbavk in thr beginning that fixed themselfs) its been amazing