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

OEHHA announces the initiation of risk assessments for chemicals in drinking water in 2006 for the following chemicals: alachlor, atrazine and simazine, chlordane, 1,3-dichloropropene (Telone), fluoride, lead, and nitrate/nitrite.

The finalized Public Health Goals and response to major comments for six chemicals in drinking water are available.  These chemicals are: cis/trans-1,2-dichloroethylene, 1,1,1-trichloroethane, 1,1,2-trichloroethane, radium-226 and –228, strontium-90, and tritium.

OEHHA announces a public comment period and workshop on draft Public Health Goals for nitrosodimethylamine (NMDA), glyphosate, and cadmium in drinking water.

OEHHA announces a second public comment period for 6 draft Public Health Goal technical support documents.  The chemicals are: cis/trans-1,2-dichloroethylene, 1,1,1-trichloroethane, 1,1,2-trichloroethane, radium-226 and -228, strontium-90, and tritium.

The Public Health Goal for 1,2-dichloroethane has been updated.