Latest News
Fishery closure and re-opening recommendations due to biotoxin levels
| Program: Fish
Las proliferaciones de algas nocivas marinas (HAB, por sus siglas en inglés) también ocurren en el océano y pueden causar enfermedades en seres humanos y animales. Esta página proporciona una descripción general de las posibles enfermedades asociadas con la proliferación de algas nocivas marinas, las precauciones para reducir la exposición y cómo informar cualquier enfermedad potencial que pueda ocurrir.
| Program: Fish
Harmful algal blooms (HABs) also occur in the ocean, and can cause illnesses in humans and animals. This page provides an overview of potential marine HAB illnesses, precautions to reduce exposure, and how to report any potential illnesses that may occur.
| Program: Fish
The Office of Environmental Health Hazard Assessment (OEHHA) will host an in-person and online workshop to discuss potential amendments to the Proposition 65 regulations on July 30, 2026. The workshop will include a discussion of potential regulatory amendments that OEHHA will publish on its website prior to the workshop.
| Program: Proposition 65
OEHHA conducts research to analyze the benefits and impacts of California’s climate actions on community air quality and health.
| Program: Environmental Justice
OEHHA report analyzing the achievements and benefits of California Climate Investment projects implemented through 2025, with a focus on the public health benefits of improved air quality.
| Program: Environmental Justice
The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) intends to list welding fumes as known to the state to cause cancer under the Safe Drinking Water and Toxic Enforcement Act of 1986, sections 25249.5 et seq. of the Health and Safety Code (HSC), otherwise known as Proposition 65.
| Program: Proposition 65
Effective July 17, 2026, the Office of Environmental Health Hazard Assessment (OEHHA) is adding hydrochlorothiazide, voriconazole, and tacrolimus to the list of chemicals known to the State of California to cause cancer under the Safe Drinking Water and Toxic Enforcement Act of 1986, sections 25249.5 et seq. of the Health and Safety Code, otherwise known as Proposition 65.
| Program: Proposition 65
CalEnviroScreen indicator overview page of the drinking water contaminants indicator.
| Program: CalEnviroScreen
CalEnviroScreen indicator overview page for the low-birth-weight infants indicator
| Program: CalEnviroScreen