Selected papers from the 2011 Low Impact Development conference, held in Philadephia, Pennsylvania, USA, September 25-28, 2011. Sponsored by the Low Impact Development Committee of the Urban Water Resources Research Council of the Environmental and Water Resources Institute of ASCE. Insite development, the rapid adoption of low impact development (LID) technology for stormwater management, can create conflicts among the various municiple agencies tasked with overseeing land use decisions. Low Impact Development Technology: Impact and Economics contains nine papers that address implementation procedures and the economic impact of LID technology.