• Building Research Establishment • Centre for Ecology and Hydrology (formerly Institute of Hydrology) • The Chartered Institution of Water and Environmental Management • Construction Industry Research and Information Association • Department for Communities and Local Government • Department for Environment, Food and Rural Affairs • Department for Transport • English Nature • Environment Agency • Highways Agency • House Builders Federation • Institute of Hydrology • Institution of Civil Engineers • Institution of Engineers of Ireland • Local Government Association • National Assembly for Wales • Met Office • Office of Water Services • Planning Officers’ Society • Scottish Environment Protection Agency • UK Climate Impacts Programme • Water Demand Management Centre • Water Regulations Advisory Scheme • WRc plc • Water UK