Notices
Legal notices and other information about Public Health Goals, Notification Levels and other water-related content.
Water-related Notices
Apr 5, 2024: Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonic Acid (PFOS) in Drinking Water
OEHHA has adopted and published Public Health Goals for PFOA and PFOS in drinking water.
Apr 5, 2024: California adopts health-protective goals for forever chemicals in drinking water
The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment adopted public health goals for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS...
Jan 10, 2024: Hexavalent Chromium in Drinking Water
The Office of Environmental Health Hazard Assessment (OEHHA) is announcing the availability of a draft document describing a proposed health-protective concentration (HPC) for noncancer effects of...
Dec 29, 2023: Hexavalent Chromium in Drinking Water
The Office of Environmental Health Hazard Assessment (OEHHA) is announcing the availability of a draft document describing a proposed health-protective concentration (HPC) for noncancer effects of...
Mar 27, 2023: Announcement of Second Data Call-In For The Hexavalent Chromium Public Health Goal Update
Summary
Dec 30, 2022: Haloacetic Acids in Drinking Water
The Office of Environmental Health Hazard Assessment (OEHHA) of the California Environmental Protection Agency has adopted and published Public Health Goals (PHGs) for the five regulated haloacetic...
Aug 19, 2022: Announcement of Availability of a Second Draft Technical Support Document for Proposed Public Health Goals for Haloacetic Acids in Drinking Water
The Office of Environmental Health Hazard Assessment (OEHHA) of the California Environmental Protection Agency is announcing the release of a second draft document for public review describing...
Jun 16, 2022: Notice of Availability of Acute Notification Level Recommendations for Four Cyanotoxins in Drinking Water
The Office of Environmental Health Hazard Assessment has submitted to the State Water Resources Control Board acute notification level recommendations for four cyanotoxins. Cyanotoxins are toxins...
Mar 17, 2022: Notification Level Recommendation for Perfluorohexane Sulfonic Acid (PFHxS) in Drinking Water
The Office of Environmental Health Hazard Assessment is recommending that the State Water Resources Control Board set the notification level for perfluorohexane sulfonic acid at the lowest level at...
Feb 4, 2022: 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. NEW for the 2022 Report: New in this document are an...
Jul 22, 2021: Announcement of Availability of a Draft Technical Support Document and Public Workshop for Proposed Public Health Goals for Perfluorooctanoic Acid and Perfluorooctane Sulfonic Acid in Drinking Water
A Public Health Goal (PHG) is the level of a drinking water contaminant at which adverse health effects are not expected to occur from a lifetime of exposure. The technical support document presents...
May 6, 2021: Notice of Availability of Notification Level Recommendations for Four Cyanotoxins in Drinking Water
The Office of Environmental Health Hazard Assessment (OEHHA) has submitted to the State Water Resources Control Board (SWRCB) notification level (NL) recommendations for four cyanotoxins.
Jan 28, 2021: The Human Right to Water in California
OEHHA announces the release of its final Human Right to Water Framework and Data Tool (CalHRTW 1.0)—comprised of an interactive web tool and report, Achieving the Human Right to Water in California:...
Jul 17, 2020: Announcement of Publication of Updated Public Health Goal and Technical Support Document for 1,2-Dibromo-3-Chloropropane in Drinking Water
The updated Public Health Goal of 0.003 parts per billion (ppb) is based on carcinogenicity and is set at a level of risk of one additional cancer case per one million persons exposed over a 70-year...
May 29, 2020: Announcement of Availability of a Second Public Review Draft Technical Support Document for Proposed Updated Public Health Goal for 1,2-Dibromo-3-Chloropropane in Drinking Water
The draft technical support document presents the scientific information available on the toxicity of 1,2-dibromo-3-chloropropane (DBCP) and the calculation of the updated Public Health Goal (PHG). ...
May 21, 2020: Data Call-In Extended: Announcement of Process to Develop And Update Public Health Goals For Chemicals In Drinking Water And Data Call-In
This public notice announces the initiation of PHG development for 1,4-dioxane and an update of the PHG for n-nitrosodimethylamine.
Feb 7, 2020: Announcement of Publication of Public Health Goals and Technical Support Document for Trihalomethanes In Drinking Water
The Office of Environmental Health Hazard Assessment (OEHHA) of the California Environmental Protection Agency is announcing the publication of Public Health Goals (PHGs) for four trihalomethanes (...
Nov 8, 2019: Announcement of Availability of a Second Public Review Draft Technical Support Document for Proposed Public Health Goals for Trihalomethanes in Drinking Water
A Public Health Goal (PHG) is the level of a drinking water contaminant at which adverse health effects are not expected to occur from a lifetime of exposure. The technical support document presents...
Aug 23, 2019: Notification Level Recommendations for Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonate (PFOS)
The Office of Environmental Health Hazard Assessment (OEHHA) is recommending that the State Water Resources Control Board (SWRCB) set the notification levels (NLs) for perfluorooctanoic acid (PFOA)...
Mar 29, 2019: Announcement of First Public Comment Period for the Draft Technical Support Document on the Proposed Update of the Public Health Goal for 1,2-Dibromo-3-Chloropropane
The PHG technical support document, available for download below, provides information on the health effects of contaminants in drinking water. The PHG is a level of drinking water contaminant at...