Texas Water Development Board- Rainwater Harvesting
- Links to the Texas Guide to Rainwater Harvesting and to equipment and services providers.
- http://www.twdb.state.tx.us/iwt/rainwater.asp

BBC News: Rain capture answer to water woe
- Rainwater harvesting could prove a cheap, easy solution to Africa's water woes, according to a UN report.
- http://news.bbc.co.uk/2/hi/science/nature/6143746.stm

Rainwater Harvesting
- Explains the benefits, and describes simple and complex systems. Includes maintenance suggestions and an online calculator. Contributions by the Texas Cooperative Extension of Texas A&M University.
- http://rainwaterharvesting.tamu.edu/index.html

HarvestH2O.com
- Online community promoting sustainable water management practices. Includes articles, FAQ, and instructions for establishing collection systems.
- http://www.harvesth2o.com/

Domestic Rainwater Harvesting
- This fact sheet gives an overview of systems, component technology, planning and management, as well as the potential effects and impacts.
- http://www.lboro.ac.uk/well/resources/fact-sheets/fact-sheets-htm/drh.htm

Rainwater Harvesting and Purification System
- A case study is given to understand the basic process of collection and use of rainwater.
- http://ersson.sustainabilitylane.com/rainwatr.htm

UK Rainwater Harvesting Association
- News, rainwater harvesting FAQ, information for prospective members, goals and mission statement.
- http://www.ukrha.org/

Harvesting Rainwater
- A case study of a rainwater collection and storage system is presented, focusing on water quality at various points: from roof runoff to an underground concrete cistern.
- http://www.uoregon.edu/~hof/S01havestingrain/

Austin Greenbuilder Program
- Rainwater harvesting section of sustainable building sourcebook describes the potential for collecting and using rainwater as a water supply.
- http://www.greenbuilder.com/sourcebook/RainwaterGuide1.html

Drinking Rain Water
- Ask a scientist: why can't I drink rain water?
- http://www.newton.dep.anl.gov/askasci/wea00/wea00044.htm

Rain Water System Design Report
- Report on rain water system designs for the new environmental science and engineering building at the University of Waterloo, Canada.
- http://www.adm.uwaterloo.ca/infowast/watgreen/projects/library/760/final.html

Rainwater Harvesting Network
- Public interest research and advocacy organisation encouraging sustainable development strategies. Guides to different methods for catching water where it falls, newsletter, case histories (primarily in India), and related information.
- http://www.rainwaterharvesting.org/

Rain Barrel Information and Sources
- Features information and resources on systems for collecting rain water.
- http://dnr.metrokc.gov/wlr/PI/rainbarrels.htm