The County fire, the region’s largest wildland incident so far this summer, began June 30 in Guinda in Yolo County before spreading to Napa County.
Cal Fire said the responsible party for the electric fencing unit has been cited under Public Resources Code section 4421, burning of lands of another.
The agency did not release the name of the individual.
Cal Fire urged people to always follow proper installation and operation guidelines on owners’ manuals when installing and operating all equipment that can cause a wildland fire.
On Wednesday, the more than 1,600 firefighters assigned to the County fire continued to hold it at 90,288 acres, with containment up to 86 percent, Cal Fire said.
With the damage assessment now complete, Cal Fire said the final number of destroyed structures stands at 20, with three others damaged.
Cal Fire said firefighters are busy monitoring and mopping up while, at the same time, suppression repair teams are working around the fire perimeter.
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071118 County fire progression map by LakeCoNews on Scribd