Connecting Waters Charter School, East Bay Share: Schools and Colleges Connecting Waters Charter School, East Bay Visit Website 703 C Street Union City, CA 94587 800-808-9895 x 6 About Map About Connecting Waters East Bay is a public nonclassroom-based charter school enrolling students who reside 8 counties including Alameda, Contra Costa, Santa Clara, San Mateo, and San Francisco. What's Nearby? Distance: 5 10 15 20 25 50 mi.