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

August 25, 2005: Update on Draft Hexavalent Chromium Public Health Goal

External peer review on the draft Public Health Goal for hexavalent chromium was completed and made available.

July 15, 2005: Public Comment Period for Proposed Public Health Goals for 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) and Copper in Drinking Water

OEHHA announces a public comment period for draft Public Health Goals for 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and copper in drinking water.

June 22, 2005: Update of the Lindane Public Health Goal

The Public Health Goal for lindane was updated in 2005.

June 6, 2005: Initiation of Risk Assessments for Chemicals in Drinking Water (2005)

OEHHA announces the initiation of risk assessments for chemicals in drinking water in 2005 for the following chemicals: 1,2,3-trichloropropane, 2,4-dichlorophenoxyacetic acid, and 1,2-dichloroethane.

June 1, 2005: Update of the Mercury (Inorganic) Public Health Goal

The Public Health goal for mercury (inorganic) was updated in 2005.