October 15, 2026
Fines after a fatal tunnel collapse
Cal/OSHA fined two employers a combined $212,500 after a fatal tunnel collapse, an enforcement action that highlights tunneling and excavation safety risks.
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Cal/OSHA Heat and Safety Reminders, 2026
Cal/OSHA reminders and enforcement news from 2026, newest first.
Each item was checked against its official source on October 18, 2026.
October 3, 2026
High heat reminder, October 2026
Cal/OSHA reissued a reminder for employers to protect outdoor and indoor workers during high heat events statewide.
September 10, 2026
September heat alert
Cal/OSHA reminds employers to enforce heat illness prevention plans as triple-digit temperatures return in September 2026.
August 4, 2026
Heat wave advisory, August 2026
Cal/OSHA reissued a heat safety advisory urging employers to comply with existing heat illness prevention rules during a heat wave.
June 16, 2026
Trench safety reminder
Cal/OSHA reminds employers to follow trenching/excavation safety rules during National Trench Safety Stand Down Week.
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