52,000 gallon underground tank installed with new University of Arizona building: http://uanews.org/story/eco-friendly-building-under-construction-at-ua-designed-to-foster-collaboration-sustainability
Cochise Water Project site in Cochise County, AZ using 30,000 gallon active system to prevent flooding and provide irrigation water: http://wrrc.arizona.edu/sites/wrrc.arizona.edu/files/CWP_Pueblo%20del%20Sol%20Country%20Club%20report.pdf
Examples of active water harvesting used for flood mitigation and other benefits in Asia: http://wrrc.arizona.edu/sites/wrrc.arizona.edu/files/Rainwater%20harvesting%20and%20disaster%20managment%20%28Asia%29.pdf