Well, the main reason why Berkey water filters are banned in California is due to the state's strict regulations on water filtration systems. California has very specific requirements for water filters, and Berkey filters do not meet these standards. The issue revolves around the fact that the company has not had their products tested and certified by the California Department of Public Health, which is necessary for all water filtration systems sold in the state.
Additionally, California has some of the toughest guidelines for drinking water safety in the country. The state's regulations are designed to protect consumers from potential health risks, and only water filters that have been rigorously tested and proven to meet these standards are allowed for sale.
It's important to note that the ban on Berkey water filters is specific to California, and the filters are still available for purchase in other states. However, if you live in California and are in need of a water filtration system, make sure to look for products that have been certified by the California Department of Public Health to ensure they meet the state's strict safety standards.