Notices

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

Water-related Notices

Feb 7, 2019: Health Risk Information for Public Health Goal Exceedance Reports
This document contains health risk information on regulated drinking water contaminants to assist public water systems in preparing these reports. A PHG is the concentration of a contaminant in...
Feb 1, 2019: The Human Right to Water in California
The draft report was released January 3 with a 30‑day public comment period that was scheduled to close on February 4, 2019.  OEHHA has received requests from the Association of California Water...
Oct 5, 2018: Announcement of Availability of a Draft Technical Support Document for Proposed Public Health Goals for Trihalomethanes in Drinking Water
OEHHA is announcing the release of a draft document for public review describing proposed Public Health Goals (PHGs) for the four regulated trihalomethanes (THMs) found in drinking water as a result...
Jun 1, 2018: Announcement of Second Public Comment Period for the Draft Technical Support Document on the Proposed Updates of the Public Health Goals for Cis-/Trans-1,2-Dichloroethylene in Drinking Water
OEHHA is soliciting comments on the revised draft technical support document during a 30-day comment period. OEHHA will evaluate all the comments received and revise the document as appropriate.
May 11, 2018: Announcement of Publication of Public Health Goals and Availability of Technical Support Document for Nitrate and Nitrite in Drinking Water
Updated Public Health Goals (PHGs) for nitrate and nitrite in drinking water, technical support document, received comments, and responce to comments.
Feb 9, 2018: Announcement of Second Public Comment Period for the Draft Technical Support Document on the Proposed Updates of the Public Health Goals for Nitrate and Nitrite in Drinking Water
OEHHA is soliciting comments on the revised draft technical support document during a 30-day comment period. OEHHA will evaluate all the comments received and revise the document as appropriate.
Aug 4, 2017: Draft Technical Support Document on the Proposed Update of the Public Health Goals for Cis-/Trans-1,2-Dichloroethylene in Drinking Water - Comment Period and Workshop
Draft technical support document for the update of the Public Health Goals (PHGs) for cis-1,2-dichloroethylene (cis-1,2-DCE) and trans-1,2-dichloroethylene (trans-1,2-DCE) in drinking water.  The...
Aug 4, 2017: Public Workshop - Draft Technical Support Document on the Proposed Update of the Public Health Goals for Cis-/Trans-1,2-Dichloroethylene in Drinking Water
September 18, 2017 workshop on the draft technical support document for the update of the Public Health Goals (PHGs) for cis-1,2-dichloroethylene (cis-1,2-DCE) and trans-1,2-dichloroethylene (trans-1...
Aug 4, 2017: Comment Period - Draft Technical Support Document on the Proposed Update of the Public Health Goals for Cis-/Trans-1,2-Dichloroethylene in Drinking Water
The Office of Environmental Health Hazard Assessment (OEHHA) of the California Environmental Protection Agency is announcing the availability of the draft technical support document for the update
Dec 16, 2016: Comment Period - Proposed Update of the Public Health Goals for Nitrate and Nitrite in Drinking Water
Comment period on the proposed update of the PHGs for nitrate and nitrite published in 1997.  OEHHA is proposing to retain the original PHG values.
Dec 16, 2016: Draft Technical Support Document on the Proposed Update of the Public Health Goals for Nitrate and Nitrite in Drinking Water
Proposed update of the PHGs for nitrate and nitrite published in 1997.  OEHHA is proposing to retain the original PHG values.
Dec 16, 2016: Public Workshop - Proposed Update of the Public Health Goals for Nitrate and Nitrite in Drinking Water
The workshop is provided to enable a dialogue between OEHHA scientists and the public to discuss the scientific basis of the proposed PHG updates, and to receive comments.
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: 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
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
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.

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