The SamSamWater library is a small database of practical information, data and (GIS) maps on water and sanitation, managed by the SamSamWater Foundation, which was set up by a group of Dutch hydrologists. Topics covered include rainwater harvesting, microfinance, surface and groundwater hydrology, and water quality and treatment. As of 28 February 2012 there were 128 items in the library database.
Web site: http://www.samsamwater.com/library.php
