Investigators on the following project found that demonstration sites are one of the most effective ways to get citizens interested in and informed about water harvesting: http://geography.arizona.edu/content/watersmart-0
List of demonstration sites and links in the Tucson area: http://wrrc.arizona.edu/DWHI/water-harvesting-resources%20
List of demonstration sites around the country and the world: http://www.harvestingrainwater.com/rainwater-harvesting-inforesources/water-harvesting-demonstration-sites/