California Code, Public Resources Code - PRC § 42850

(a) Any person who negligently violates any provision of this chapter, or any permit, rule, regulation, standard, or requirement issued or adopted pursuant to this chapter, is liable for a civil penalty of not less than five hundred dollars ($500) or more than five thousand dollars ($5,000), for each violation of a separate provision or, for continuing violations, for each day that the violation continues.

(b) Liability under this section may be imposed in a civil action or liability may be imposed administratively pursuant to this article.

(c) Upon request of a city, county, or city and county, that city, county, or city and county may be designated, in writing, by the board, to exercise the enforcement authority granted to the board under this chapter.  Any city, county, or city and county so designated shall follow the same procedures set forth for the board under this article.  This designation shall not limit the authority of the board to take action it deems necessary or proper to ensure to enforcement of this chapter.