Notices

Legal notices and other information about Public Health Goals, Notification Levels and other water-related content.

Water-related Notices

Feb 27, 2015: Final Technical Support Document on the Public Health Goal for Perchlorate in Drinking Water
The updated PHG for perchlorate is one part-per-billion (1 ppb) based on the inhibition of iodide uptake into the thyroid gland and the consequent disruption of thyroid hormone production.
Feb 27, 2015: OEHHA Adopts Updated Public Health Goal for Perchlorate
OEHHA has adopted an updated public health goal (PHG) of 1 part per billion (ppb) for perchlorate in drinking water.  This PHG updates the 2004 perchlorate value of 6 ppb.  Perchlorate is known to...
Feb 2, 2015: Public Health Protective Concentration for para-Chlorobenzene Sulfonic Acid
The 2015 public health protective concentration is 3 parts per million (ppm) for the chemical para-chlorobenzene sulfonic acid (pCBSA) in drinking water.
Oct 17, 2014: Initiation of Risk Assessments for Chemicals in Drinking Water (2014)
Initiation of reviews for nine chemicals: Carbofuran, Diquat, Endrin, Radium-226, Radium-228, Strontium-90, Thiobencarb, Toxaphene and Tritium.
Apr 24, 2014: Final Technical Support Document on Public Health Goals for: Chlorobenzene, Endothall, Hexachlorocyclopentadiene, Silvex, and Trichlorofluoromethane in Drinking Water
The Public Health Goals for chlorobenzene, endothall, hexachlorocyclopentadiene, silvex, and trichlorotrifluoromethane were finalized and made available.
Mar 7, 2014: Updated Public Health Goals for Chlorobenzene, Endothall, Hexachlorocyclopentadiene, Silvex, and Trichlorofluoromethane
Updated second draft Public Health Goals for chlorobenzene, endothall, hexachlorocyclopentadiene, silvex, and trichlorofluoromethane are now available.
Dec 7, 2013: Draft Technical Support Document on Proposed Public Health Goal for Perchlorate in Drinking Water
OEHHA announced release of the revised draft Public Health Goal for perchlorate in drinking water, and public comment period.
Nov 1, 2013: Draft Public Health Goals for Chlorobenzene, Endothall, Hexachlorocyclopentadiene, Silvex, and Trichlorofluoromethane
Draft Public Health Goals for five chemicals are now available for public comment.  These chemicals are: chlorobenzene, endothall, hexachlorocyclopentadiene, silvex, and trichlorofluoromethane.
Feb 25, 2013: PHG Exceedance Reports 2013
OEHHA's 2013 report of water contaminants that exceed Public Health Goals is available.
Sep 25, 2012: Initiation of Process to Update Public Health Goals for Three Chemicals in Drinking Water (2012)
OEHHA announced the initiation of updating Public Health Goals for three chemicals in drinking water: chlorobenzene, 1,1-dichloroethane, and trichloroethylene.
Nov 10, 2011: External Peer Review of the Draft Public Health Goal for Perchlorate in Drinking Water
OEHHA posted the external peer review comments on the draft Public Health Goal for perchlorate in drinking water.
Jul 29, 2011: Final Technical Support Document on Public Health Goal for Hexavalent Chromium in Drinking Water
The PHG for hexavalent chromium is established at 0.02 parts per billion (ppb). The health-protective level is based on avoidance of potential carcinogenic effects.
Jul 27, 2011: OEHHA Adopts First-in-the-Nation Public Health Goal For Hexavalent Chromium in Drinking Water
The PHG for chromium 6 reflects research documenting that young children and other sensitive subpopulations are more susceptible than the general population to health risks from exposure to...
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.

Pages