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Cause of the Cow Fire was determined by CAL FIRE investigators, 75% contained

CAL FIRE investigators have released information about what caused the Cow Fire to start on Sunday afternoon.

Posted: Jun 22, 2021 4:41 PM
Updated: Jun 25, 2021 9:57 AM

UPDATE 10 a.m. Friday - Containment of the Cow Fire has increased to 85%. 

CAL FIRE reports the acreage remains at 761. 


MILLVILLE, Calif. - CAL FIRE said they determined the cause of the Cow Fire that has burned 761 acres in Millville.

The fire was caused by hot catalytic converter parts that were ejected from a vehicle passing by, CAL FIRE said.

CAL FIRE said a witness gave investigators a description of a vehicle that was running poorly and the vehicle was located in the Palo Cedro area on Monday.

RELATED: CAL FIRE increased containment on the Cow Fire to 65%, 761 acres burned

Investigators inspected the vehicle which determined the catalytic converter was not working correctly.

The Cow Fire is currently 65% contained as it broke out around 3:30 p.m. Sunday.

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August began seasonably hot on this Sunday with fewer showers and thunderstorms than previous days, but a few did still pop over the higher terrain. Our rain chances are disappearing, but the heat and smoke will remain.
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