Here are some of the desal plans in the Bay Area.

San Francisco Bay Public Uilities Cmmission
(415) 352-3600
http://sfwater.org/home.cfm

Marin Water District
$115 Million desal plant proposed
http://www.marinwater.org/
(415) 945-1586

EBMUD (east bay municipal utility district)
Desal project coordinator Hasan Abdullal
Habdulla@ebmud.com
(510) 287-0550
http://www.ebmud.com/

Contra Coasta Water District
also has plans for desal plants
http://www.ccwater.com/

Santa Clara Water District
http://www.valleywater.org/

All the informations about the plans are also found at http://www.valleywater.org/.