California Water Service

California Water Service has been dedicated to delivering safe and reliable water service since its establishment in 1926. As the largest regulated American water utility west of the Mississippi River and the third-largest in the country, California Water Service is committed to providing high-quality services to its extensive customer base.

Serving 492,600 customer connections across 23 districts throughout the state, California Water Service ensures that communities receive the essential water resources they depend on. With a rich history and a forward-thinking approach, California Water Service continues to invest in infrastructure and innovative solutions to meet the evolving needs of its customers.

As a key subsidiary of the California Water Service Group, California Water Service benefits from a broad network of expertise and resources. We invite the management of California Water Service to create a customized and exclusive company showcase and product listing on our platform to further highlight your offerings and connect with a wider audience.