California Code, Public Utilities Code - PUC § 8302

(a) Provide periodically, as required by the United States Nuclear Regulatory Commission, but at least every two years, by mail or by hand delivery, with that information as may be required by the commission to be disseminated to the public, either to all residents within a 10-mile radius of the powerplant or to those persons designated by the commission, whichever is the greater number of persons, a general description of the powerplant, emergency evacuation information, and substantive revisions thereof, and the titles, addresses, and telephone numbers of the federal, state, and local public officials who may be contacted for more detailed information concerning powerplant status and discharges.

(b) Provide, at least twice each year, a copy of the public utility's “Effluent Monitoring Report” to the county health officer in the county where the nuclear powerplant is located.