 About 1908, William Bourn completely acquired the Spring Valley Water Company, which closed its lands (which included the Phleger Estate, Bourn's estate "Filoli" and today's Crystal Springs Reservoirs) to agriculture, logging and vineyards.The two Crystal Springs lakes and San Andreas Lake used to be known as "Spring Valley Lakes" for the Spring Valley Water Company which took its name with it from its original location at the Spring Valley was between Mason and Taylor Streets, and Washington and Broadway Streets in San Francisco, where the water company started.When the company went south for more water, the Spring Valley name was carried south too.