World Water Challenge
Site created by the World Water Forum at The Hague. Includes links to useful resources.

Recycling and alternative water supplies
From the Dept of Sustainability and Environment, Victoria.

Alternative water sources
Department of water, land and biodiversity conservation – Sout Australia.

Groundwater
Student-centred site created by the CSIRO.

Medical Journal of Australia: alternative water sources
Presents an analysis of potential health issues.