General Info

Since its inception in 1926, California Water Service Company (Cal Water) has been one of the largest American water utility west of the Mississippi River and the United States. The firm caters to more than 460,000 customers through 28 customer and operations centers throughout California. California Water Service Company is one of the largest subsidiaries of the California Water Service Group, a provider of regulated and non-regulated utility services to over 2 million people in 100 communities.