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Company Profile
Committed to being the leading provider of sustainable water and wastewater services, California Water Service Group is the parent company of regulated utilities California Water Service, Hawaii Water Service, New Mexico Water Service, and Washington Water Service along with Texas Water Service, a utility holding company. Together, these companies provide regulated and non-regulated water and wastewater service to more than 2 million people in California, Hawaii, New Mexico, Texas, and Washington.
Our Service Areas
Delivering Safe, Clean Water to More Than Two Million Customers
California Water Service
Cal Water serves about 2 million people through 497,600 service connections in California.
Hawaii Water Service
Hawaii Water provides water services to over 6,500 customers covering three islands in Hawaii.
New Mexico Water Service
New Mexico Water encompasses the water services in four areas in New Mexico.
Texas Water Service
Texas Water is an investment in a utility development company that owns and operates six wastewater utilities in Central Texas.
Washington Water Service
Washington Water provides service to over 38,000 customers in the state of Washington.
Creating Long Term Sustainability in Our Environmental, Social, and Governance Practices
As a provider of a finite, natural resource, we are keenly aware of the need to utilize sustainable practices in our daily operations, and we continue to focus on our responsibility to our stakeholders through ethical business practices and community support.
See Our Sustainability EffortsIR Contacts
Corporate Office
California Water Service Group
1720 North First Street
San Jose, CA 95112
Toll-Free: (800) 750-8200
T: (408) 367-8200
Transfer Agent
Computershare
T: (781) 575-3100 (US, Canada, Puerto Rico)