Water

OEHHA performs major risk assessment and hazard evaluation activities relating to chemical contaminants in drinking water. These activities include developing health advisories, Public Health Goals for chemical substances in drinking water, Notification Levels, and providing toxicological assistance for chemical monitoring activities for the drinking water supply. The program also provides education to the public and other governmental agencies on drinking water contamination and drinking water regulatory standards development.

Public Health Goals

Level of a chemical contaminant in drinking water that does not pose a significant risk to health

Notices

Legal notices for Public Health Goals and Notification Levels

Notification Levels

Health-based advisory levels for chemicals in drinking water

Reports

Reports focusing on water

Human Right to Water

OEHHA’s assessment framework and data tool related to drinking water quality, accessibility, and affordability

Reports, Notices, Documents

A draft Public Health Goal for 1,2,3-trichloropropane is available.  Peer review of the document was done by three University of California scientists, and their comments, in addition to OEHHA's responses, are available.

OEHHA announces a second public comment period for the draft Public Health Goals for lead, oxamyl, pentachlorophenol, and trichloroethylene in drinking water.

The Public Health Goal for 2,4-dichlorophenoxyacetic acid was finalized and made available.

The Public Health Goal for endrin has been updated.

OEHHA announces the initiation of Risk Assessments for Chemicals in Drinking Water in 2008 for the following chemicals: diethylhexylphthalate and perchlorate.