The Santa Clara Valley Water District provides stream stewardship, wholesale water supply and flood protection for Santa Clara County, California, in the southern San Francisco Bay Area.

Almaden Reservoir is an artificial lake in the hills south of San Jose, California in the United States. It borders on the 4,163-acre (1,685 ha) Almaden Quicksilver County Park, which provides limited fishing ("catch-and-release"), picnicking, hiking, and horseback riding activities. Swimming and boating are not permitted in the reservoir.