Any district plan required to include an element of education and public awareness shall describe those measures to be taken by the district and recommendations for measures to be taken by other state agencies or local governments, by public education institutions, or by any other public or semi-public entity. The district shall make these recommendations known to the affected entities and strive to coordinate educational and public awareness efforts. The district's efforts shall be designed to reach 75 to 90 percent of the population in the district within five years.