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100% Glyphosate Removal with Big Berkey®

Berkey® Water Purifier
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Last month, Mike Adams, the director of Consumer Wellness Center Labs (, released independent lab testing of water containing glyphosate and the effectiveness of its removal from water by  several leading water filter brands. The testing included sport water bottles, pitchers, and gravity-fed systems.

Among three systems that achieved 100% glyphosate removal was the Big Berkey® Water Purification System! The other two systems were Aqua Pail (gravity-fed plastic pails) and Zero Water’s pitcher.

While we’re not surprised that the Big Berkey® was able to eliminate 100% of the glyphosate from the water, we are certainly excited that we, along with our countless customers, can continue to trust our Berkey® Systems, Black Berkey Purification Elements, and PF2 Fluoride & Arsenic Reduction Elements to enjoy safe, clean, and delicious, purified water.

On July 7, 2017, the State of California’s Office of Environmental Health Hazard Assessment (OEHHA) added glyphosate to its “list of chemicals known to the state to cause cancer” under its Proposition 65 (AKA Prop 65), initially known as the Safe Water and Toxic Enforcement Act of 1986. Prop 65’s list of 800 chemicals and compounds includes listings that are categorized as causing carcinogenic, developmental, or reproductive harm to individuals exposed to them in an everyday setting.

As part of the process of a chemical being added to Prop 65’s list of harmful chemical/compounds, if one of the following agencies has determined that “a chemical causes cancer, reproductive harm, or birth defects,” then OEHHA will list it:

  • International Agency for Research on Cancer (IARC)
  • Environmental Protection Agency (EPA)
  • National Institute for Occupational Safety and Health (NIOSH)
  • National Toxicology Program (NTP) of National Institute of Environmental Health Sciences (NIESH)
  • U.S. Food and Drug Administration (FDA)

Chemicals and compounds can also be submitted for scientific review through one of OEHHA’s independent committees. In theory, public input can also influence whether a chemical or compound should be added or not to Prop 65.

Why is Glyphosate listed as a carcinogen on Prop 65? Glyphosate and prop 65: OEHHA &