Clearlake resident Joseph Maggio, 21, was arrested Thursday after he ran his dirt bike into the leg of a police officer, Clearlake police reported.
The officer, who was on an unrelated call at Galaxy Resort off Old Highway 53, was not injured.
The officer pulled Maggio off the motorcycle after he was struck.
Police said Maggio possessed methamphetamine at the time of his arrest. He was booked into Lake County Jail on assault and drug charges.