Cal. Health & Safety Code § 116450
(f) The content of the notices required by this section shall be approved by the department. Notice shall be repeated at intervals, as required by the department, until the department concludes that there is compliance with its standards or requirements. Notices may be given by the department.
In any case where public notification is required by this section because a contaminant is present in drinking water at a level in excess of a primary drinking water standard, the notification shall include identification of the contaminant, information on possible effects of the contaminant on human health, and information on specific measures that should be taken by persons or populations who might be more acutely affected than the general population.
(g) Whenever a school or school system, the owner or operator of residential rental property, or the owner or operator of a business property receives a notification from a person operating a public water system under any provision of this section, the school or school system shall notify school employees, students and parents if the students are minors, the owner or operator of a residential rental property shall notify tenants, and the owner or operator of business property shall notify employees of businesses located on the property.
(h)
(1) Notwithstanding any other provision of law, commencing July 1, 2012, a written Tier 1 public notice given by a public water system pursuant to this section shall comply with the following:
(2)
(C) After July 1, 2012, if the public water system has made a reasonable attempt to have the notice required by paragraph (1) translated into the appropriate languages, it shall be presumed that a notice translated into languages other than Spanish has been adequately provided if it contains translations in the appropriate languages of all of the following: