Occupational Exposure and Health Symptoms Related to the Tijuana River Valley Sewage Crisis - Results from an Assessment of Chemical Exposures, California, 2024.

OBJECTIVE

Describe health outcomes among workers affected by the Tijuana River Valley (TRV) sewage crisis.

METHODS

In October-November 2024, a cross-sectional online survey was administered to individuals who worked in areas affected by the TRV sewage crisis as part of an Assessment of Chemical Exposures.

RESULTS

Among 443 workers, 110 (25%) reported direct contact with contaminated Tijuana River or beach water. 55% of workers reported exposure to severe odor. Nearly two-thirds experienced physical symptoms attributed to the crisis, and one-third missed work due to symptoms. Direct water contact was linked to higher prevalence of physical and mental health symptoms and absenteeism. Those reporting work-related direct water contact were largely outdoor workers.

CONCLUSIONS

TRV workers have experienced health impacts due to the ongoing sewage crisis. Findings may help inform public health response and resource needs.