Extensive List of What a Berkey Water Filter System Addresses 
Berkey water filters addresses over 200 contaminants.
Black Berkey® Elements reduce trihalomethanes, inorganic minerals, heavy metals, pharmaceuticals, VOCs, petroleum products, perfluorinated chemicals, rust, silt, sediment and even radiologicals.
Berkey removes or reduces contaminants from Arsenic to Zinc. If you've ever wondered, what exactly does a Berkey filter? This is the list for you:
Arsenic
Yes, Berkey removes or reduces up to 99.9% of arsenic.
Learn more about Arsenic. Find out what it is, what is causes and how to remove it.
Cadmium
Yes, Berkey removes or reduces up to 99.7% of Cadmium and its harmful compounds.
Chlorine
Yes, Black Berkey Filters removes or reduces up to 99.9% and Berkey Shower Filters reduces up to 95% of chlorine.
Learn more about Chlorine. Including the harmful byproducts such as haloacetic acids and trihalomethanes.
Chromium 6
Yes, Berkey removes or reduces up to 99.8% of chromium 6.
Learn more about Chromium 6 (aka Hexavalent Chromium). Read more about the dangers of this compound and how it can get in your water.
Endocrine Disruptors
Yes, Berkey removes or reduces up to 99.9% of all endocrine disruptors.
Curious about what are Endocrine Disruptors? After you read that you'll know why we recommend using glass water bottles.
Fluoride
Yes, Berkey Fluoride Filters removes or reduces up to 97% of fluoride from tap water.
Haloacetic Acids
Yes, up to 99.9% of all haloacetic acids (HAA5s) are removed or reduced.
Find out what Haloacetic Acids are, also known as HAA5s.
Heavy Metals
Yes, Berkey removes or reduces up to 99.9% of all heavy metals.
Including: Aluminum, Antimony, Barium, Beryllium, Bismuth, Cadmium, Cobalt, Chromium, Chromium 6, Copper, Iron, Lead, Mercury, Molybdenum, Nickel, Vanadium, and Zinc
Lead
Yes, Berkey removes or reduces up to 99.9% of lead.
Lead--What is it? How is it harmful? Why is it in your water?
Minerals
No. Because we don't want to remove minerals!
Learn more about why beneficial minerals are left in Berkey water. This excludes zinc (see below).
RELATED: Is Distilled Water Safe to Drink?
Monochloramine
Yes, Berkey removes or reduces 99.9% of monochloramine.
Read more about Monochloramine.
Nitrates
No, Berkey does not remove Nitrates because they are like a mineral. Read more...
Nitrites
Yes, Berkey removes or reduces up to 95% of nitrites.
Petroleum Products
Yes, Berkey removes or reduces up to 99.9% of all petroleum products.
Including: Gasoline, Diesel, Crude Oil, Kerosene, Mineral Spirits, and Refined Oil
PFAS and PFCs
Yes, Berkey removes or reduces up to 99.9% of all PFAS and PFCs.
What does PFAS and PFC stand for?
Pharmaceutical Drug Contaminants
Yes, Berkey removes or reduces up to 99.9% of all pharmaceuticals from drinking water.
Including: Acetaminophen, Caffeine, Carbamazepine, Ciprofloxacin HCl, Erythromycin USP, Sulfamethoxazole, Trimethoprim, Bisphenol A, Diclofenac Sodium, 4-para-Nonylphenol, 4-tert-Octylphenol, Primidone, Progesterone, Gemfibrozil, Ibuprofen, Naproxen Sodium, and Triclosan
Radioactive Substances
Yes, Berkey removes or reduces most common radioactive substances, such as radium and uranium.
Trihalomethanes
Yes, Berkey removes or reduces up to 99.8% of trihalomethanes.
Discover how trihalomethanes (including: bromodichloromethane, bromoform, chloroform, and dibromochloromethane) are created and why they're in majority of the U.S. water supply.
Zinc
Yes, Berkey removes or reduces up to 99.9% of zinc. This is the exception to minerals, which are mostly left in.
Search for a specific contaminant that Berkey filters.
Black Berkey® Elements have been tested by accredited third-party labs that have reported that the elements exceed ANSI/NSF (Std. 53) protocol, and addresses over 200 typical contaminants found in tap water and other freshwater sources