Trust on Tap
For 100 years, California Water Service Group has delivered more than just water; we’ve delivered “Trust on Tap.” Join us on a journey through a century of service, stories, and the unwavering commitment that has shaped our legacy and continues to flow into the future.

The Flow of Time: Our Journey to 100 Years
Explore a century of moments, big and small, that have shaped our company’s history and legacy.
Explore TimelineStories, On Tap
Our customers and employees have spoken. Check out all they have to say about a century of Cal Water—their individual contributions to our history, and overall reflections on 100 years.
We’d love to hear your memories too! Contact us to share your story.
EMPLOYEE SPOTLIGHT

Thank you, Cal Water, for making this the best company to work for.
Agnes C.EMPLOYEE SPOTLIGHT

Everyone here works hard, but they also make it fun—with a great sense of humor and camaraderie. At the end of the day, they get the job done.
Greg M.EMPLOYEE SPOTLIGHT

I look back fondly on my time at Cal Water and am grateful for the experiences and memories I gained. Now, as I enjoy retirement, I’m happy to see the company continue to thrive.
Lelia R.EMPLOYEE SPOTLIGHT

This company truly cares about its customers and the services it delivers.
Cameron D.EMPLOYEE SPOTLIGHT

My work brings value to the communities we serve by making public health our top priority.
Sophie J.EMPLOYEE SPOTLIGHT

Cal Water feels like a big family—friendly, supportive, and a great company that truly takes care of its employees.
Todd M.EMPLOYEE SPOTLIGHT

I wish customers knew how much Cal Water values their thoughts and feelings, and how committed we are to doing the right thing for everyone.
Melody S.EMPLOYEE SPOTLIGHT

Cal Water leadership is caring and down-to-earth, always genuinely interested in our work and our lives beyond it.
Rhonda P.EMPLOYEE SPOTLIGHT

Our team is committed to providing service 24/7, 365—they do whatever it takes to keep water flowing.
John P.EMPLOYEE SPOTLIGHT

I'm proud to play a meaningful role in enhancing the quality of life for millions of people.
Shannon D.EMPLOYEE SPOTLIGHT

Great success, like Cal Water’s, always begins with integrity.
Cynthia A.EMPLOYEE SPOTLIGHT

Cal Water has a family atmosphere where everyone feels like part of the team.
Tom M.EMPLOYEE SPOTLIGHT

We’re not just serving our communities—we’re part of them.
Ken J.EMPLOYEE SPOTLIGHT

When I was hired, I quickly learned I’d joined an amazing company dedicated to its values.
Denise O.EMPLOYEE SPOTLIGHT

The company has seen significant improvements to the use of technology over the past 100 years. So I'm excited to see what advances occur over the next 100 years.
Stephen C.EMPLOYEE SPOTLIGHT

As a customer myself, it’s rewarding to work for a company that takes my safety and drinking water seriously.
LaKesiha R.EMPLOYEE SPOTLIGHT

Cal Water continues to be resilient. For the next 100 years, we’ll continue to demonstrate perseverance, strategic foresight, stability, trust, and reliability.
Julie H.EMPLOYEE SPOTLIGHT

Cal Water’s mission is about caring for customers and employees while ensuring a reliable water supply.
Scott W.EMPLOYEE SPOTLIGHT

I love my work. Every day I come in energized to do what I do best—making the community a better place.
Nelson L.EMPLOYEE SPOTLIGHT

It takes a lot of work so customers can turn on the tap each day, fill a glass, and never think twice about its safety.
Tarrah H.EMPLOYEE SPOTLIGHT

Even on tough days, I leave knowing I'm helping people and we're doing the right thing.
Darin D.EMPLOYEE SPOTLIGHT

Cal Water truly has the best employees, and I’m proud to work alongside them every day.
Marshawn U.EMPLOYEE SPOTLIGHT

My favorite part of working at Cal Water is how we celebrate each employee’s retirement.
Tammy N.EMPLOYEE SPOTLIGHT

I’ve been in this business a long time, and Cal Water is by far the best—there’s integrity and support from leadership and coworkers alike.
Gary V.EMPLOYEE SPOTLIGHT

My experience at Cal Water has shown me that collaboration isn’t just dividing tasks—it’s about lifting each other up, sharing knowledge, and celebrating wins together.
Madhu P.EMPLOYEE SPOTLIGHT

Everything we do is focused on improving life for our customers, communities, employees, and shareholders.
Yvonne K.EMPLOYEE SPOTLIGHT

Our talented employees are driven and motivated to providing excellent service to our customers.
Todd P.EMPLOYEE SPOTLIGHT

I’m most proud of working alongside exceptionally talented and hardworking professionals—they pushed me to grow and contribute beyond what I thought possible.
Kent A.EMPLOYEE SPOTLIGHT

I live our promise of quality, service, and value every day—and take pride in delivering it.
Candi S.EMPLOYEE SPOTLIGHT

As we celebrate 100 years, service means being deeply connected to our communities by being ethical, responsible, and forward-thinking so we can contribute to the next century of excellence.
June V.EMPLOYEE SPOTLIGHT

At our core, we’re committed to doing what’s right for our customers.
Steve V.EMPLOYEE SPOTLIGHT

Everyone on the team is dedicated—to the company, each other, and our customers. We give 110% and do everything possible to provide reliable water service.
Henry W.Community Stories
Discover the true heart of California Water Service’s 100-year journey. New stories are added regularly—explore the connections that matter!
View Community StoriesLibrary & Archives
A rich collection of archival documents, images, reports, and more from an entire century of service.
Photo Gallery
Historical images—a visual journey through 100 years of “Trust on Tap.”
View Photo GalleryDocuments
Historical press clippings, technical schematics, and other rare materials that shaped our century of service.
View DocumentsMedia Center
From logos to contact information — a resource page for members of the press.
View Media Center
