Water Quality Data
Understanding the Tables

In the following tables, you will find detailed information about the water that comes from your tap after it is treated (treated water) and before it is treated (Raw Water). Your water is regularly tested for more than 120 chemicals and other substances, as well as radioactivity.

Only substances that were detected in the treated and raw water are listed in the tables.

• Definitions
• Recent Results
• CCWD Water Quality Reports