William Gordon Innes, 35, is being charged with a vehicle-code misdemeanor: throwing a substance at a vehicle on a highway, said Lt. Ken Jones of the San Mateo County Sheriff's Office.
His arraignment is scheduled for Thursday, July 5, in a Redwood City courtroom at San Mateo County Superior Court, Lt. Jones said.
When the water bottle hit Nancy Baglietto on Portola Road on the morning of November 16, the blow knocked her down and she hit her head on the path, she said. Her injuries included a black-and-blue area on her face, a chipped tooth and a loose tooth, she said.
Mr. Innes, who was riding in a group of cyclists, kept going after the incident but called later to apologize, Ms. Baglietto said.
Deputy District Attorney Rick Good said his office did not seek a charge of battery because Mr. Innes showed no intention of causing injury.