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.

As federal, state, and lcoal governments realise that traditional approaches to stormwater management are not achieving the desired environmental protection goasl, they are increasingly adopting low impact development (LID) technology as the preferred approach to stormwater management in land development and redevelopment.