Cal. Health & Safety Code § 101042
(a) If the local health officer or their designee is notified of a leak in an active gas pipeline, that is within the jurisdiction of the Geologic Energy Management Division and within a sensitive area, pursuant to Section 3270.6 of the Public Resources Code and the local health officer or their designee determines that the leak poses a risk to public health or safety and that the response to the leak has been inadequate to protect the public health or safety, the local health officer or their designee shall, working collaboratively with the division and the owner or operator of the pipeline, do both of the following: