How can we make Los Angeles water self-sufficient? PASADENA >> Leslie Shoemaker of Tetra Tech stressed neighborhood-level capture of storm water. JPL scientist Jay Famiglietti says the state must address extreme over pumping of ground water. U.C. Berkeley Professor David Sedlak sees the next revolution in water technology involving injecting treated wastewater into local aquifers.

Drought-proofing Southern California — the topic of a two-day symposium at Caltech — elicited numerous ideas from some of the top water thinkers in the world. The suggestions were music to the ears of Felicia Marcus, chairwoman of the State Water Resources Control Board, who said it is going to take a combination of projects from urban, suburban and agricultural users in order to increase water supplies in the arid Golden State.