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 withdrew the previously established Public Health Goal for uranium, and announced intention to develop and adopt a new PHG.

OEHHA announced intent to publish in the California Regulatory Notice Register (CRNR) the withdrawal of the Public Health Goal for uranium.

OEHHA solicited external scientific peer review and public comments on a draft technical support document on the proposed Public Health Goal (PHG) for methyl tertiary butyl ether (MTBE) in drinking water.

OEHHA has made available a draft of the proposed Public Health Goal for methyl tertiary butyl ether (MTBE) in drining water.

A Public Health Goal (PHG) of 4 mg/L (4 ppm) is developed for 1,1,2-trichloro-1,2,2- trifluoroethane (FC-113) in drinking water.