Research is questioning the ability of California’s Sonoma County to allow its workers to continue to work in its wine and agricultural industries in evacuated areas during disasters such as wildfires at great risk to their personal health.
Many farm workers in Sonoma County face pressures to work during active wildfire conditions and have suffered adverse health effects, according to a UC Berkeley study published in the Journal of Agromedicine on Oct. 20.
Hundreds of workers, most of whom lack health insurance, told researchers in a survey that they didn’t have a choice because they feared being fired if they didn’t work and that they needed money to cover basic needs such as housing and groceries. More than one-third of workers said their employers did not provide them with personal protective equipment, such as N95 respirators, during the hazardous conditions.
The study is the latest to cast doubt on the effectiveness of Sonoma County’s “Ag Pass” program, which allows farm bosses to continue worker harvests in active disaster evacuation zones, if approved by local deputies.
“We identified various gaps in the development and implementation of the Ag Pass that have implications for the health of farmworkers who may work inside fire evacuation zones under this program,” the researchers said. “This research also highlights the severe economic pressure many farmworkers face to continue working in potentially hazardous conditions due to fear of retaliation and the inability to pay for basic needs without wage replacement, underscoring the need for economic models such as comprehensive disaster pay and unemployment insurance, including for noncitizens.”
A separate study, published in 2024 by researchers from the University of California – Irvine and the National Center for Atmospheric Research in Boulder, Colorado, also questioned the county’s program and came to a similar conclusion.
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That study found 96 Ag Pass program applications were submitted during 2020’s destructive Glass Fire, including 120 worksites and 633 workers. Another 370 permits were submitted during the LNU Lightning Complex that same year, which included 590 worksites and 1,603 workers.
Researchers said the exact number of workers for each permit is unreliable because of mismatches between permits and the absence of worker counts on some permits.
“Given the program’s lack of oversight, inconsistencies with state-level emergency protocols, and insufficient monitoring of hazardous air quality in the impacted regions, there is a need to further analyze the risks, health impacts, and structural inequalities the program imposes on farmworkers, in particular those who are undocumented,” the study said.











