If you're considering getting a Berkey water filter, you want to know exactly what contaminants it will take out of the water.
You could go to the manufacturer's website and take a look at the independent lab test results they have published there. But it's several pages of about a zillion different chemicals and micro-organisms that you'd have to be a scientist to understand.
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Luckily, the good folks at The Daily Prep have put together an easy to understand infographic that breaks down the different types of contaminants commonly found in our drinking water and how they got there in the first place. What's really great is that the Berkey filter removes up to 99.5% of all of them!

This graphic is published here with permission from Homestead Launch.
Nasty stuff! But Berkey takes care of it.
I'm a Berkey owner myself, and it's very reassuring to me to know that the water my family drinks is clean and safe. And it tastes great, too!
If you'd like more information about Berkey water filters, you can read my Berkey Water Filter Buyer’s Guide and Big Berkey Water Filter Review.
Original infographic from The Daily Prep can be viewed is no longer available online, as the website no longer exists.
Last Updated on April 7, 2022
Does the Berkey remove PFAS chemicals like GenX and short chain PFAS chemicals?
Hi, Glen! You can find all the lab test results here: https://www.berkeyfilters.com/pages/filtration-specifications
I am trying to decide between RO+Remineralization vs. Berkeys. 1) What contaminants does Berkeys not remove that RO does 2) With Remineralization is it possible to get back all the good minerals
That’s a great question, SN! There aren’t any contaminants that reverse osmosis removes and Berkey does not. And Berkey leaves the good minerals in, so that’s one advantage of Berkey over RO. In addition, RO wastes water as part of the process, where Berkey does not.