This collection contains the resources for both trainers and participants for the Rainwater Harvesting workshop. This four-five day workshop is designed for organizations and individuals interested in starting a rainwater harvesting program. The workshop offers instruction on the concept and technology of rainwater harvesting for domestic use and how it fits into the overall picture of appropriate rural and urban water supply in developing countries. Topics to be addressed include water supply and demand, selection of appropriate rainwater harvesting technology, and the basic construction, installation, operation and maintenance of roof top and surface catchments.