Network models for analysing public policy have become widely used in recent years. This volume, originally published in 1995, assesses the network idea by applying a common perspective on network analysis to the constellations involved in water policy formation and implementation in England and Wales, Germany, Hungary, the Netherlands, the USA and at the level of the EU. Water policy – addressing basic human needs for the supply of adequate surface and groundwater as well as for the maintenance and improvement of water quality, is an increasingly salient subject. Each case covered in this volume treats the issues of water policy network composition and structure, and determinants of network characteristics, as well as documenting the influence of the networks on policy developments towards more network openness, emulation of business behaviour nd less domination by traditional professional groups such as engineers. Essays by the editors provide a common analytical perspective and offer both explicitly-comparative conclusions and evidence-based assessments of the strengths and limitations of the network perspective.