Yes.
Yes, 99.9% of E. Coli is removed.
How Berkey Removes E. Coli?
Before water ever enters the spigot that it comes out of it must pass through a complex filter with three key factors in it that trap, prevent, and neutralize any contaminants. The Berkey purification process uses microfiltration, adsorption, and ion exchange with removes 99.9% of all bacteria, including all strains E. coli bacteria.
This is a great reminder to ALWAYS wash your hands after using the bathroom, changing a diaper, petting animals, and before preparing food. Always rinse or wash your produce before consuming--better yet, rinse your produce with Berkey water!