Notices
Legal notices and other information about Public Health Goals, Notification Levels and other water-related content.
Water-related Notices
Apr 4, 2011: Public Comments on the Draft PHG for Perchlorate in Drinking Water
Public comments on the draft Public Health Goal for perchlorate are available.
Mar 4, 2011: Public Comments on Second Draft Public Health Goal for Hexavalent Chromium in Drinking Water
Public comments on the second draft Public Health Goal for hexavalent chromium are available.
Feb 11, 2011: Update of the Freon 113 Public Health Goal
The Public Health Goal for trichlorotrifluoroethane (Freon 113) has been updated.
Jan 25, 2011: Non-Substantive Reference Change for the December 2010 Draft Public Health Goal for Hexavalent Chromium
OEHHA made a non-substantive reference change to the draft Public Health Goal for hexavalent chromium.
Jan 19, 2011: Announcement of 15-Day Extension of the Public Comment Period for the Draft Public Health goal for Hexavalent Chromium in Drinking Water
OEHHA announces a 15-day extension of the public comment period for the draft Public Health Goal for hexavalent chromium.
Jan 17, 2011: Proposed Public Health Goal for Perchlorate
Announcement of First Public Comment Period and Workshop Draft Technical Support Document on Proposed Public Health Goal for Perchlorate in Drinking Water
Jan 7, 2011: OEHHA Proposes Revised Public Health Goal for Perchlorate
Draft public health goal (PHG) of 1 part per billion (ppb) for perchlorate in drinking water.
Dec 31, 2010: OEHHA Releases Revised Draft Public Health Goal for Hexavalent Chromium
Revised draft public health goal (PHG) for hexavalent chromium in drinking water. This document revises an earlier draft issued in August 2009 that proposed a PHG of 0.06 ppb. The PHG will serve as...
Dec 31, 2010: Second Public Comment Period for Draft Public Health Goal for Hexavalent Chromium in Drinking Water
OEHHA announces a second public comment period for the draft Public Health goal for hexavalent chromium in drinking water.
Dec 28, 2010: Public Health Goal for Styrene
The PHG for styrene is established at 0.5 parts per billion (ppb), based on carcinogenic effects in mice, supported by genotoxic effects observed in humans and suggestive evidence of increased cancer...
Dec 10, 2010: Final Public Health Goal for Selenium
The PHG for selenium is established at 30 parts per billion (ppb) for water-soluble and bioavailable selenium compounds in drinking water. The health-protective level is based on avoidance of several...
Sep 20, 2010: Peer Review Comments Regarding 2009 Draft Public Health Goal for Hexavalent Chromium in Drinking Water
Peer-reviewed comments on the draft Public Health Goal for hexavalent chromium have been received and are available.
Sep 16, 2010: Final Public Health Goals for Benzo(a)Pyrene, Methoxychlor, and TCDD
The PHG for benzo(a)pyrene is established at 0.007 parts per billion (ppb), based on carcinogenic effects in rats and mice. The PHG for methoxychlor is established at 0.09 ppb, based on effects in...
Sep 9, 2010: Announcement of Second Public Comment Period for the Draft Public Health Goal for Trihalomethanes (THMs) In Drinking Water
OEHHA announces a second public comment period for the draft Public Health goals for trihalomethanes (THMs) in drinking water.
Jul 23, 2010: Proposed Public Health Goals for Benzo(a)Pyrene, 2,3,7,8-Tetrachlorodibenzo-p-Dioxin (TCDD)
Draft technical support documents for proposed Public Health Goals (PHGs) for benzo(a)pyrene and 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in drinking water
Jul 9, 2010: Initiation of Risk Assessments for Chemicals in Drinking Water (2010)
2010 Initiation of risk assessments for chemicals in drinking water for: ethylbenzene and xylene.
Jul 9, 2010: Draft PHGS for Methoxychlor and Selenium
Draft technical support documents for proposed Public Health Goals (PHGs) for methoxychlor and selenium in drinking water
Jun 16, 2010: Update on the Dinoseb Public Health Goal
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.
May 14, 2010: Comment Period Extended on Draft Public Health Goal for Methoxychlor in Drinking Water
Extension of the 2010 public comment period on the draft Public Health Goal for methoxychlor in drinking water.
Apr 13, 2010: PHG Exceedance Reports 2010
Summary of health risks for chemical contaminants in drinking water that have PHGs and state and/or federal regulatory standards.