California Approves Regulations for Treating Sewage Water to Drinking Water

California Approves Regulations for Treating Sewage Water to Drinking Water

17th January 2024 news 0

 

California has adopted regulations that allows for sewage water to be extensively treated and transformed into pure drinking water for people’s consumption. The regulations have been in the making for over a decade, and since their adoption by the State Water Resources Control Board, enable water suppliers to begin building advanced treatment plants to treat wastewater into clean drinking water.
The new regulations are a major milestone in California’s quest to reclaim the millions of gallons of wastewater discharge that flows out to sea unused each year. Water agencies across California have already been treating and reusing wastewater for decades, mostly using the treated water for irrigation or to replenish aquifers. This water is put through intense microfiltration, reverse osmosis and disinfection by ultraviolet light and hydrogen peroxide before use.
The 69-page document provides a regulatory framework for “direct potable reuse,” ensuring that the advanced purified end product is fed directly to a drinking water system or mixed with other water supplies. The framework also mandates an additional ozone disinfectant process, biological carbon filtration, advanced pathogen removal and stricter monitoring.
Learn more about the framework and where it will be implemented first here.

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