California Water Service Co

  • Water Utility
  • Utilities
1720 North 1st Street
San Jose, CA 95112
(559) 734-6734
(559) 734-9512 (fax)

About Us

Cal Water is the largest subsidiary of the California Water Service Group, which also includes Washington Water Service, New Mexico Water Service, Hawaii Water Service, HWS Utility Services, and CWS read more
  • About

    Cal Water is the largest subsidiary of the California Water Service Group, which also includes Washington Water Service, New Mexico Water Service, Hawaii Water Service, HWS Utility Services, and CWS Utility Services. As a whole, the Group provides high-quality regulated and non-regulated utility services to approximately 2 million people in 100 communities. Company-wide, our employees share a commitment to delivering quality, service, and value to our customers and improving the quality of life in the communities we serve.

  • Media

  • Whom to Contact

    • Shannon (Ding) McGovern
      Reg. Com. Affairs Specialist
      Phone: 209-715-0252