Portlandia Ecovillage Is A Giant Rainwater Sponge
Kailash Ecovillage in Portland, Oregon has transformed their 2 acres to absorb all of the rain that falls on it with an edible landscape, in a way that they give more water to their groundwater than they take from it via their well.
See here for a more extensive video on the Kailash Ecovillage.
And for still more, see the Kailash Ecovillage website