American Rivers
http://www.amrivers.org/
American Groundwater Trust
http://www.agwt.org/
American Water Works Association (AWWA)
http://www.awwa.org/
Clean Water Alliance
http://www.cwn.org/
Drinking Water FAQs from the League of Women Voters
http://www.lwv.org/drinkingwater/question.htm
International Rivers Network
http://www.irn.org/
Kentucky Watershed Management
http://water.nr.state.ky.us/dow/watrshd.htm
National Agricultural Library Water Quality Information Center
www.nal.usda.gov/wqic/lists.html
National Drought Mitigation Center
http://enso.unl.edu/ndmc/
U.S. Environmental Protection Agency Office of Water
http://www.epa.gov/OW/
USEPA Office of Groundwater & Drinking Water
http://www.epa.gov/safewater/
United States Fish and Wildlife Service
http://www.fws.gov/
U.S. Water News
http://www.uswaternews.com/homepage.html
WWW Virtual Library - Hydrosphere
http://www.earthsystems.org/hyd.html
Water Environment Federation
http://www.wef.org/
The Water Librarian's Home Page
http://www.wco.com/~rteeter/waterlib.html
Water for People
http://www.water4people.org/
Water Science for Schools from the U.S. Geological Survey (USGS)
http://wwwga.usgs.gov/edu/
Water Wiser - the Water Efficiency Clearing House
http://www.waterwiser.org/
Watershed Management Council
http://watershed.org/WMChome/
