The California State Legislature approved a new bill on August 27, 2026 that obligates farms across the state to disclose any use of per- and polyfluoroalkyl substances, commonly known as PFAS. The measure, passed by both legislative chambers, creates a formal reporting requirement aimed at collecting data on how these chemicals are employed in agricultural operations.
Lawmakers said the reporting mandate is intended to improve monitoring of PFAS and to support efforts to address health concerns linked to exposure. By requiring farms to document the presence of these substances, the state hopes to build a clearer picture of where PFAS are being applied and to identify potential pathways for human and environmental contact.
PFAS are a class of persistent chemicals that have attracted attention for their resistance to degradation and their potential impact on health. Scientific studies have linked the compounds to reduced fertility, developmental delays in children, and an elevated risk of certain cancers. Their durability means they can remain in soil, water and food supplies for extended periods, raising worries among public health officials.
The new legislation adds agricultural reporting to existing PFAS oversight measures, which include industrial disclosures and water-quality testing. By extending the data collection network to farms, California aims to fill gaps in current knowledge about how the chemicals move through the food chain. The bill does not specify penalties or enforcement mechanisms in the summary, but it establishes a legal framework for future regulatory action.
Implementation details, such as reporting timelines and the agencies responsible for collecting the information, will be outlined in accompanying regulations. The legislation reflects a broader state effort to confront the challenges posed by PFAS, aligning agricultural practices with public‑health objectives and providing a basis for potential future restrictions or remediation programs.