Shortly after 6:35 p.m., deputies were responding to the lake, where a car had reportedly gone into the water with two children inside.
One of the deputies responding to the lake went to pass a slow-moving pickup truck on Jolon Road just north of Pine Canyon Road in an area south of King City.
The rear end of the deputy's patrol car lost traction as it passed the truck, rolled over twice, and went down a 10-foot embankment before coming to rest on its wheels on a dirt access road, according to the sheriff's office.
The deputy, who is not being identified, was taken to a local hospital as a precaution. He suffered two small abrasions to his left thigh and a small bruise to his left calf, and was released shortly after being admitted to the hospital Friday evening, sheriff's Sgt. Brian Pickens said.
The two children in the car that went into Lake San Antonio were safely rescued by Monterey County park rangers a few minutes after they were reported to be in the water, Pickens said.