Semi-Truck Rollover Prompts Multi-Agency Hazardous Materials Response – CAFMA

On Thursday, November 5, 2026, at approximately 10:52 PM, Central Arizona Fire and Medical Authority (CAFMA) crews responded to a semi-truck rollover involving a vehicle carrying hydrated lime, with the driver reportedly trapped inside. The location was State Route 89, mile marker 333, Chino Valley.

Upon arrival, firefighters encountered significant vehicle damage and large amounts of white powder covering the area. The substance was confirmed to be hydrated lime. Crews established a safety perimeter to limit access to the affected area and protect those nearby.

Photo: Cab of truck with white lime on the ground

The patient was quickly extricated, assessed, decontaminated, and transported by CAFMA Rescue 62 to Yavapai Regional Medical Center. CAFMA and Prescott Fire Department Hazardous Materials (HAZMAT) resources assisted with operations.

One CAFMA firefighter was also transported for precautionary evaluation after experiencing irritation from the substance. The firefighter was released later that night and returned to work.

CAFMA was assisted by the Arizona Department of Public Safety, Arizona Department of Transportation, Chino Valley Police Department (CVPD), Copperstate Ambulance, Prescott Fire Department, and Yavapai County Sheriff’s Office. CVPD is investigating the incident.

ABOUT THE CENTRAL ARIZONA FIRE AND MEDICAL AUTHORITY
The Central Arizona Fire and Medical Authority (CAFMA) provides emergency services, all-hazards response, and community safety education across 369 square miles of Yavapai County, Arizona, including the towns of Prescott Valley, Chino Valley, Dewey-Humboldt, parts of Paulden, and surrounding areas of Prescott. Headquartered in Prescott Valley, CAFMA is dedicated to protecting life and property through prevention and response while fostering strong partnerships with the communities it serves. Learn more at cazfire.gov.