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

The Public Health Goal for dinoseb has been reevaluated and will remain at 14 ppb.  The CA MCL for dinoseb is set at 7 ppb.

Summary of health risks for chemical contaminants in drinking water that have PHGs and state and/or federal regulatory standards.

Announcement of public comment period and workshop for the draft Public Health Goal for methoxychlor in drinking water.

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

OEHHA announces the second public comment period for draft Public Health Goals for benzo(a)pyrene and styrene.