Some useful links for reference materials and advice:
Water and Sanitation
International water and sanitation research, The Netherlands Department of water engineering in developing countries, Loughborough University, UK Library and technical support in environment, water and sanitation, DFID, UK CLTS official website, IDS, UK Trendy global discussion forum for water, sanitation and hygiene enthusiasts
Dew Point
Water, Engineering and Development Centre (WEDC), Loughborough University
