California Code, Water Code - WAT § 31032.2

The secretary shall cause notice of the filing of the report and of a time and place of hearing thereon to be published, pursuant to Section 6066 of the Government Code, prior to the date set for hearing, in a newspaper of general circulation printed and published within the district, if there is one and if not then in such paper printed and published in the county, and shall cause a notice in writing of the filing of the report to be mailed to each person to whom any parcel or parcels of real property described in such report is assessed in the last equalized assessment roll available on the date the report is prepared, at the address shown on the assessment roll or as known to the secretary.