Water for the Nations  
   Drills wells and provides well-drilling equipment to provide clean drinking water for those without. Provides training for solving problems with water supplies.
   http://www.wftn.org

Water for Survival  
   New Zealand-based organization raising funds for water related public health projects in the third world.
   http://www.lawas.co.nz/watersurv/

Centre for Affordable Water and Sanitation Technology  
   An organization located in Calgary, Canada dedicated to transferring water and sanitation technologies to the third world (in particular a water filter).
   http://www.cawst.org/

WaterAid  
   UK organization specialising in water, sanitation and hygiene education. Helps the poorest communities of Africa and Asia to provide themselves.
   http://www.wateraid.org.uk/

WaterPartners International  
   Addresses water supply and sanitation needs in developing countries. Promotes innovative and cost-effective community water projects with an aim for long-term success.
   http://www.water.org/

Shelter, Water & Appropriate Technology Initiatives Society  
   A humanitarian organization in India with projects relating to shelter for the poor, sustainable water supply, rainwater harvesting and watershed management, reproductive health and education.
   http://www.shelterwater.org/

Global Water  
   Develops safe, clean water supplies in developing countries around the world. List of projects, group background, and opportunities to help.
   http://www.globalwater.org

AusAID Three Delta Towns Water Supply & Sanitation Project Vietnam  
   Provides information on a Vietnam-Australia project to alleviate poverty in the Mekong Delta by providing new water supply and sanitation infrastructure, supported by community and institutional development programs.
   http://www.3deltatowns.org/