YOUR CREEKSContra costa COUNTY Select your area to learn more about the path the water that goes down the storm drains in your area takes to eventually reach the Pacific Ocean. SWITCH TO THE RUSSIAN RIVER WATERSHED SWITCH TO THE RUSSIAN RIVER WATERSHED SWITCH TO THE MARIN COUNTY WATERSHED SWITCH TO THE MARIN COUNTY WATERSHED SWITCH TO THE NAPA COUNTY WATERSHED SWITCH TO THE NAPA COUNTY WATERSHED BAY POINT BAY POINT BAYVIEW, MONTALVIN & TARA HILLS BAYVIEW, MONTALVIN & TARA HILLS BETHEL ISLAND BETHEL ISLAND CROCKETT CROCKETT EL SOBRANTE EL SOBRANTE KIRKER PASS, PITTSBURG KIRKER PASS, PITTSBURG N. RICHMOND & ROLLINGWOOD N. RICHMOND & ROLLINGWOOD SAN PABLO DAM ROAD SAN PABLO DAM ROAD UNINCORPORATED CONCORD UNINCORPORATED CONCORD UNINCORPORATED MARTINEZ UNINCORPORATED MARTINEZ