CALIFORNIA WATER SERVICE

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About us

California Water Service (Cal Water) is the largest investor-owned American water utility west of the Mississippi River and the third largest in the country. Formed in 1926, the San Jose-based company serves more than 477,900 customers through 28 Customer and Operations Centers throughout the state.

Cal Water is the largest subsidiary of the California Water Service Group, which also includes Washington Water Service Company, New Mexico Water Service Company, Hawaii Water Service Company, 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 being the leader in providing our customers and communities with quality, service, and value.

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ADDRESS
14034 Armstrong Woods Road, Guerneville CA, 95446
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