State of California is no longer being updated.

This was a 12-week pilot project in 2019-20 that explored new approaches for state websites.

If you need the current state homepage, visit

Check your tap water quality

As part of ending this pilot project, we weren’t able to keep an example of this service on this site. Instead, we made this video so you can see how it worked.

How your water system checks for safety

Your water system tests at least yearly for chemicals, bacteria, and viruses that could be harmful to human health.

They also track changes to the way your water tastes, looks, or smells.