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

March 8, 2002: Public Workshop and Discussion of the Draft Public Health Goal for Perchlorate in Drinking Water

OEHHA announces a public workship for the proposed Public Health Goal for perchlorate in drinking water.

January 7, 2002: Proposed Action Level for Chlorate

OEHHA recommends an action level of 200 ug/L (ppb) chlorate in drinking water.

November 9, 2001: Withdrawl of the Public Health Goal for Chromium

OEHHA withdraws the Public Health Goal for total chromium.

November 9, 2001: OEHHA Withdraws Public Health Goal for Chromium

Announcement of the withdrawal of the 2.5 ppb PHG for chromium, in order to develop a PHG specifically for chromium 6, or hexavalent chromium. The new PHG will replace the withdrawn "total chromium" PHG, which consists of both chromium 6 and chromium 3, a less toxic form of the metal.

September 28, 2001: Public Health Goal for Simazine in Drinking Water

The final technical support document for the Public Health Goal for simazine is available.