Notice of a public hearing shall be sent to the governing body of any state or municipal water department or agency, special water district, or private water company that has riparian rights to a surface water resource and/or surface watershed that is used or is suitable for use as a public water source and that is within 2,000 feet of any real property which is the subject of a proposed zoning change; provided, however, that the governing body of any state or municipal water department or agency, special water district, or private water company has filed with the Building Inspector a map survey, which shall be kept as a public record, showing areas of surface water resources and/or watersheds and parcels of land within 2,000 feet thereof.