Annual Consumer Confidence Reports detailing water quality, supply sources, and compliance with health standards for each district, to provide transparency and customer confidence in their water service.
Learn How Cal Water Keeps Your Water Safe
Cal Water helps keep your water safe by conducting regular testing, monitoring for contaminants, and maintaining infrastructure to prevent issues. Our team works around the clock to meet or exceed all health and safety standards.
Water Quality FAQs
Find answers to common questions about water quality. Learn how Cal Water ensures your tap water is clean, safe, and meets all regulatory requirements.
Explore our Water Quality FAQs
Contaminants in Detail
Find a list of all contaminants Cal Water’s lab tests for, as well as information on specific contaminants of interest.
Learn About Potential Contaminants