Cal. Public Resources Code § 5008.7

Every person convicted of a violation of any rule or regulation adopted by the department pursuant to this division prohibiting the leaving, depositing, dropping, or scattering of bottles, broken glass, ashes, wastepaper, cans, or other rubbish in any unit of the state park system shall be punished by a mandatory fine of not less than one hundred dollars ($100) nor more than one thousand dollars ($1,000) upon a first conviction, by a mandatory fine of not less than five hundred dollars ($500) nor more than one thousand dollars ($1,000) upon a second conviction, and by a mandatory fine of not less than seven hundred fifty dollars ($750) nor more than one thousand dollars ($1,000) upon a third or subsequent conviction. The court may, in addition to the fine imposed upon a conviction, require as a condition of probation, in addition to any other condition of probation, that any person convicted of a violation of this section pick up litter at a time and place within the jurisdiction of the court for not less than eight hours.