Latest News
The Office of Environmental Health Hazard Assessment (OEHHA) will host an online pre-regulatory workshop to discuss a potential set of amendments related to vinyl acetate to existing Proposition 65 regulations on September 30, 2026.
| Program: Proposition 65
Disadvantaged Community Designation (September 2026)
| Program: CalEnviroScreen
The Office of Environmental Health Hazard Assessment (OEHHA) is announcing a second draft document describing the proposed updated Public Health Goal (PHG) for N-nitrosodimethylamine (NDMA) in drinking water.
| Program: Water
Fishery closure and re-opening recommendations due to biotoxin levels
| Program: Fish
OEHHA is referring ethoprop to the Carcinogen Identification Committee for a recommendation concerning whether the chemical should continue to be included on the list of chemicals known to the state to cause cancer.
| Program: Proposition 65
2020 Recommendations to the California Public Utilities Commission Regarding Health Protective Standards for the Injection of Biomethane into the Common Carrier Pipeline.
| Program: Air
Fish consumption advisory for Twin Lakes in Mono County.
| Program: Fish
Learn symptoms of a HAB-related illness, where HAB-related illnesses have been reported, and how to report a potentially HAB-related illness.
| Program: Fish
Aprenda los síntomas de una enfermedad asociada con la proliferación de algas nocivas, dónde se han informado posibles enfermedades asociadas con la proliferación de algas nocivas y cómo informar una enfermedad potencialmente asociada con la proliferación de algas nocivas.
| Program: Fish