California Water Service Email Format

UtilitiesUnited States501-1000 Employees

California Water Service (Cal Water) is a regulated water utility operating in the United States. It is the largest regulated water utility west of the Mississippi and the third-largest in the country, serving 492,600 customer connections across 23 districts in California. Founded in 1926 and based in San Jose, California, the company provides essential water services to residential and commercial customers, supporting reliable water supply and fire protection. It is the largest subsidiary of the California Water Service Group, a broader holding that includes other state-focused water service providers.

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