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

This memorandum represents an update of the literature review and evaluation of the existing PHG for 1,2-dichlorobenzene.  Our re-evaluation supports the previous PHG derivation.

Final Public Health Goal for Trichloroethylene in Drinking Water (2009).

OEHHA announces a public comment period and workshop for the draft Public Health Goal for trihalomethanes in drinking water.

This memorandum represents an update of the literature review and evaluation for the existing PHG for dalapon (OEHHA, 1997).  Our re-evaluation supports the previous PHG derivation in 1997, and there are no new data to justify a significant change to the document. 

The 2009 Public Health Goal for chlorite is 50 ppb