Puragain Water - San Diego "Toilet To Tap" program will recycle sewage into drinking water. In fact, most of San Diego's existing water supply has already been through someone else's toilet. More
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California's Water History: The Origin of 'Toilet-to-Tap' | California Water Environment Association
![California's Water History: The Origin of 'Toilet-to-Tap' | California Water Environment Association California's Water History: The Origin of 'Toilet-to-Tap' | California Water Environment Association](https://www.cwea.org/wp-content/uploads/2017/01/Sac-Bee.png)