About Us

California Water Service Group

Contact Information

California Water Service Group
1720 North First Street
San Jose, CA 95112-4508
(408) 367-8200
(800) 750-8200 toll-free

Corporate Information

California Water Service Group is the third largest publicly traded water utility in the United States. Traded on the New York Stock Exchange under the symbol “CWT,” the Company has six wholly owned subsidiaries operating in California, Washington, New Mexico, and Hawaii. Four of the six subsidiaries are regulated by state public utilities commissions. Non-regulated operations leverage the Company’s expertise in operating water and wastewater systems and provide related water and wastewater utility services. The Company has more than 509,000 customer connections, more than $400 million in annual revenue, and more than $1.5 billion in gross utility plant assets. The Company’s management team averages more than 20 years of experience in the water utility sector.

Company-wide, Cal Water employees share a commitment to being the leading provider of water and wastewater services and improving the quality of life for our customers, communities, stockholders, and employees.