If you're not familiar with the "Oddly Satisfying" video series on YouTube, you should know that these clips mostly portray repetitive ...

If you're not familiar with the "Oddly Satisfying" video series on YouTube, you should know that these clips mostly portray repetitive events or actions that viewers find satisfying.  Of course, it comes as no surprise that somebody out there finds water treatment extremely satisfying and they've uploaded a video about it. Now you have to check it out. Here is the Oddly Satisfying View of Water Treatment Plant