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

2nd public comment period on the draft Public Health Goal (PHG) for antimony in drinking water.  The draft PHG would revise the PHG from 20 ppb to 1 ppb.

: Reports

Includes links to PHG documents, reports on the PHG risk assessment process, and PHG exceedance reports.

OEHHA's 2016 report of water contaminants that exceed Public Health Goals.

: Notices

Legal notices and information for Public Health Goals and Notification Levels.

Workshop to discuss the scientific basis of the proposed PHG updates outlined in the Draft Technical Support Document for the Public Health Goals for Carbofuran, Diquat, Endrin, Picloram, and Thiobencarb, and to receive comments.