Watch the video, there is no text to the article.
Basically they have developed a water treatment plant for their building. It treats all the water on-site and recycles it, to net zero water use, no water waste.
Their water treatment is better than the city water treatment plants, as it also removed household chemicals and pharmaceuticals.
And it uses less energy.
A whopping 80% is generally spent transporting water to and from municipal water plants.
Only 20% is actually used on treating the water itself.
CALIFORNIA Really needs building owners/businesses, residents to have these kinds of systems available.
Particularly, eh em, southern ca !