California Water Service Group, commonly known as California Water Co, is a publicly traded utility company that provides high-quality water and wastewater services to millions of people in California, Washington, New Mexico, and Hawaii. The company generates revenue through the sale of water and wastewater services to residential, commercial, industrial, and public authority customers. Founded in 1926, California Water Co has a long history of commitment to environmental stewardship, infrastructure investment, and community engagement, making it a leader in the water utility industry.