UN Water: http://www.unwater.org/flashindex.html

UNSGAB: http://www.unsgab.org/docs/biblioteca.htm

UNICEF: http://www.unicef.org/wes/

CSD: http://www.un.org/esa/sustdev/csd/csd13/csd13.htm

UNDP: http://www.undp.org/

UNDP's Community Water Initiative:

 http://www.undp.org/water/initiatives/initiative.html

UNDP Water Governance: http://www.undp.org/water/

UNESCO Water Portal: http://www.unesco.org/water/

UN Habitat: http://www.unhabitat.org/categories.asp?catid=270

WASH: http://www.wash-cc.org/

WHO: http://www.who.int/topics/drinking_water/en/

WHO & UNICEF: http://www.unicef.org/wes/mdgreport/monitoring.php

AMCOW: http://www.amcow.org/

Carter Center: http://www.cartercenter.org/homepage.html

Center for Global Safe Water: http://www.sph.emory.edu/CGSW/index.php

EUWI: http://www.euwi.net/

IISD: http://www.iisd.org/about/

IRC: http://www.irc.nl/page/104

Hygiene Central: http://www.hygienecentral.org.uk/

Millennium Project:

 http://www.unmillenniumproject.org/reports/tf_watersanitation.htm

NAS: http://www.drinking-water.org/flash/splash.html

OECD:

 http://www.oecd.org/document/47/0,3343,en_2649
_37425_36146415_1_1_1_1,00.html

Pacific Institute: http://www.pacinst.org/

SIWI: http://www.siwi.org/

WSP: http://www.wsp.org/index.asp

WEDC: http://wedc.lboro.ac.uk/index.php

WELL: http://www.lboro.ac.uk/well/index.htm

WWAP: http://www.unesco.org/water/wwap/index.shtml

WWC: http://www.worldwatercouncil.org/

Rainwater Harvesting: http://www.rainwaterharvesting.org/

American Society for Microbiology: http://www.asm.org/
Academy/index.asp?bid=54816

Environmental Health: http://www.ehproject.org/ehkm/eh_pubswash.html

Hand washing:

 http://www.globalhandwashing.org/Publications/
Handwashing_Handbook.pdf

USAID HIP: http://www.hip.watsan.net/

IRHA: http://www.irha-h2o.org/

CCP: http://www.jhuccp.org/topics/safe_water.shtml

School Sanitation: http://www.schoolsanitation.org/

Envirofacts: http://www.epa.gov/enviro/

Water for People: http://www.waterforpeople.org/site/PageServer