Health & Saf. Code, § 25540

(a) A person or stationary source that violates this article shall be civilly or administratively liable to the unified program agency in one of the following amounts, as applicable:

(1) For a violation that occurs on or before December 31, 2018, not more than two thousand dollars ($2,000) for each day in which the violation occurs, unless paragraph (3) applies.

(2) For a violation that occurs on or after January 1, 2019, not more than five thousand dollars ($5,000) for each day in which the violation occurs, unless paragraph (4) applies.

(3) For a violation committed knowingly after reasonable notice on or before December 31, 2018, not more than twenty-five thousand dollars ($25,000) for each day in which the violation occurs.

(4) For a violation committed knowingly on or after January 1, 2019, not more than twenty-five thousand dollars ($25,000) for each day in which the violation occurs.

(b) If a violation of this article results in, or significantly contributes to, an emergency, including a fire, the person or stationary source shall also be assessed the full cost of the county or city emergency response, as well as the cost of cleaning up and disposing of any hazardous materials, in addition to the applicable amount require pursuant to subdivision (a).

(c) Subdivisions (a) and (b) shall not apply for a violation of Section 25536.6, 25536.7, or 25536.9 that occurs on or after January 1, 2019.

(d) When a unified program agency issues an enforcement order or assesses an administrative penalty, or both, for a violation of this article, the unified program agency shall utilize the administrative enforcement procedures, including the hearing procedures, specified in Sections 25404.1.1 and 25404.1.2.