American Public Works Association
www.apwa.net
(documents on asset management are available)

American Water Resources Association
www.awra.org

American Water Works Association (AWWA)
www.awwa.org

AWWA Research Foundation
www.awwarf.org
A member-supported, international, nonprofit organization that sponsors research to enable water utilities, public health agencies, and other professionals to provide safe and affordable drinking water to consumers.

Association of Metropolitan Sewerage Agencies (United States)
www.amsa-cleanwater.org

Association of State Drinking Water Administrators - ASDWA
www.asdwa.org
(information related to USA)

Association of Water Technologies
www.awt.org
(water treatment)

Australian Water and Wastewater Operators Association
www.awwoa.org.au
(with conference papers available on-line)

Canadian Ground Water Association
www.cgwa.org

Canadian Water Resources Association
www.cwra.org
(water management and much more)

Environment Canada - Freshwater Web Site
www.ec.gc.ca/water/index.htm

For Water ... by Foundation for Water Research
www.fwr.org

History items on water at www.waterhistory.org

Home Water Quality and Safety - University of Florida
http://edis.ifas.ufl.edu/scripts/htmlgen.exe?DOCUMENT_AE009

International Water Management Institute
www.iwmi.org

Lifewater Canada
www.lifewater.ca
(focus on supply in rural low income areas, many international links)

The National Ground Water Association
www.ngwa.org

National Drinking Water Clearinghouse - NDWC (West Virginia University)
www.estd.wvu.edu/ndwc/ndwc_homepage.html
(information on leaks, corrosion; excellent search engine; newsletter; Tech Briefs; aimed at smaller communities)

National Rural Water Association (US)
www.nrwa.org

Office of Water Services (UK)
www.ofwat.gov.uk
(regulator in England and Wales)

Ontario Clean Water Agency
www.ocwa.com

Ontario Sewer and Watermain Construction Association - OSWCA
www.oswca.org
(background information on Ontario's sewer and distribution systems, also has issues of "The Undergrounder" journal)

PM Engineer
www.pmengineer.com
(plumbing focused on-line magazine with corrosion related articles)

Toronto water information and quarterly drinking water quality report at
www.city.toronto.on.ca/water

UNESCO water portal
www.unesco.org/water/
(extensive portal with many links related to water infrastructure)

United States Environmental Protection Agency (EPA) Office of Water
www.epa.gov/ow
(searchable with various water topics)

U.S. Geological Survey
(extensive information on water in the United States)
http://water.usgs.gov

U.S. Water News Online
www.uswaternews.com
(searchable with coverage of water supply, quality, conservation, etc.)

Wasser & Boden (German)
www.blackwell.de/wabo.htm

Water and Wastewater
www.waterandwastewater.com

Water Environment Federation
www.wef.org

Water Quality Association
http://www.wqa.org/

TheWaterPage.com
www.thewaterpage.com
(emphasis on development, utilisation and protection of water in developing countries)

Water Research Commission - WRC (South Africa)
www.wrc.org.za

Water Services Association, Australia
www.wsaa.asn.au

Water Technology
www.water-technology.net
(International industry associations, projects, companies etc.)

Water-Wastewater Web
www.w-ww.com

WaterWeb
www.waterweb.org
(extensive database of water related links)

WorldWatch Institute
www.worldwatch.org
(with a separate section on water)

World-Wide-Water
www.world-wide-water.com

The World's Water
www.worldwater.org