Notices

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

Water-related Notices

Nov 23, 2016: 15-Day Extension of Data Submission Period for Initiation of Risk Assessments for Chemicals in Drinking Water
Extension of Public Comment period on the PHG review for Nickel
Nov 10, 2016: 15-Day Extension of Data Submission Period for Initiation of Risk Assessments for Chemicals in Drinking Water
Extension of Public Comment period on the PHG review for: Hexavalent Chromium
Oct 28, 2016: Initiation of Risk Assessments for Chemicals in Drinking Water (2016)
Initiation of PHG reviews for four chemicals: Cis-1,2-Dichloroethylene, Trans-1,2-Dichloroethylene, Hexavalent Chromium and Nickel
Oct 28, 2016: Comment Period - Initiation of Risk Assessments for Chemicals in Drinking Water
Comment period on the Initiation of PHG reviews for four chemicals: Cis-1,2-Dichloroethylene, Trans-1,2-Dichloroethylene, Hexavalent Chromium and Nickel
Sep 23, 2016: Final Technical Support Document on Updated Public Health Goal for Antimony in Drinking Water
Includes changes in critical study and endpoint selection, and updated dose-response analysis and exposure estimates.  These changes resulted in the revision of the antimony PHG to 1 ppb.
Sep 23, 2016: Announcement of Publication of Drinking Water Public Health Goals and Availability of Final Technical Support Document for: Carbofuran, Diquat, Endrin, Picloram, and Thiobencarb
The updated PHGs are 0.7 parts per billion (ppb) for carbofuran, 6 ppb for diquat, 0.3 ppb for endrin, 166 ppb for picloram, and 42 ppb for thiobencarb, all based on non-cancer effects.
Jul 29, 2016: Second Public Comment Period - Draft Technical Support Document on the Proposed Updates of Public Health Goals for Carbofuran, Diquat, Endrin, Picloram, and Thiobencarb in Drinking Water
2nd public comment period proposed updated PHGs for Carbofuran (0.7 ppb), Diquat (6 ppb), Endrin (0.3 ppb), Picloram (166 ppb), and Thiobencarb (42 ppb) in drinking water.
Jul 29, 2016: Announcement of Second Public Comment Period - Draft Technical Support Document on the Proposed Updates of Public Health Goals for Carbofuran, Diquat, Endrin, Picloram, and Thiobencarb in Drinking Water
Written comments for the proposed updates of Public Health Goals (PHGs) for carbofuran, diquat, endrin, picloram, and thiobencarb in drinking water must be received by the PHG program by 5:00 p.m. on...
Jul 22, 2016: Draft Technical Support Document on the Proposed Update of the Public Health Goal for Antimony in Drinking Water
2nd public comment period on the draft Public Health Goal (PHG) for antimony in drinking water.  The draft PHG would revise the PHG from 20 ppb to 1 ppb.
Jul 22, 2016: Public Comment Period - Draft Public Health Goal for Antimony in Drinking Water
Announcement of the second public comment period on the draft Public Health Goal (PHG) for antimony in drinking water.  The draft PHG would revise the PHG from 20 ppb to 1 ppb.
Jan 29, 2016: Health Risk Information for Public Health Goal Exceedance Reports
OEHHA's 2016 report of water contaminants that exceed Public Health Goals.
Sep 28, 2015: Public Health Goal Workshop for Carbofuran, Diquat, Endrin, Picloram, and Thiobencarb
Workshop to discuss the scientific basis of the proposed PHG updates outlined in the Draft Technical Support Document for the Public Health Goals for Carbofuran, Diquat, Endrin, Picloram, and...
Aug 14, 2015: Draft Technical Support Document for the Public Health Goals for Carbofuran, Diquat, Endrin, Picloram, and Thiobencarb
Draft technical support document on proposed updates of the public health goals (PHGs) for carbofuran, diquat, endrin, picloram, and thiobencarb.
Aug 14, 2015: Comment Period on the Draft PHG updates for Carbofuran, Diquat, Endrin, Picloram, and Thiobencarb
September 28, 2015 workshop to discuss the draft technical support document for proposed updates of the Public Health Goals (PHGs) for carbofuran, diquat, endrin, picloram, and thiobencarb in...
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.

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