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

Draft technical support document for a proposed Public Health Goal (PHG) for benzo(a)pyrene in drinking water. This is an update of the risk assessment for benzo(a)pyrene published in 1997.

: Update of the PHG for Bentazon

This memorandum represents an update of the literature review and evaluation for the existing PHG for bentazon (OEHHA, 1999).  Our re-evaluation supports the previous PHG derivation in 1999, and no new data would justify a significant change to the document. 

The public comment period for the draft Public Health Goal for hexavalent chromium has been extended by two weeks.

Peer-review comments and OEHHA's responses regarding the draft Public Health Goal for hexavalent chromium are available.

2009 draft technical support document for the proposed Public Health Goal (PHG) for antimony in drinking water