Welcome to the State of California 

Chemicals and Contaminants in Drinking Water

Last Update: October 4, 2011

Announcements

Follow this link for information about OEHHA's PHG and the status of development of the MCL for chromium-6.

Regulated Contaminants

Public Notification and Information about Contaminants

  • Water systems: Use these templates -- and contact your CDPH district office (PDF)Opens in new window.-- when public notification is required because of chemical or microbiological contamination, or because of other conditions. 
  • Consumers:  Information about your drinking water quality is available from your water system in its annual Consumer Confidence Report (CCR). A number of CCRs for California water systems are available on the US EPA's website.

Unregulated Contaminants

Use of Extremely Impaired Sources

Treatment Technology

Sampling and Analysis

 
 
Last modified on: 1/4/2012 11:48 AM