Two Roaring Twenties-era structures in the Chicago area are meeting that challenge by collecting and conserving stormwater on a grand scale. Dominican University In 2007, while hammering out the blueprints for a new science building, Parmer Hall, Dominican University in suburban River Forest, IL, discovered a perfect source of water for air-conditioning the new structure: a cistern dating back to the 1920’s buried under planks and debris in the basement of the old science bui