Professional Societies and Web sites
· American Chemical Society 
· American Water Works Association 
· Waterwiser 
· Water Quality Association 
   Utilityconnection.com

U.S. Government
· Centers for Disease Control and Prevention 
· Office of Water 
· United States Environmental Protection Agency 
           United States Geological Survey

Academic Sites
·    Universities' Water Information Network (UWIN) 

Environmental Organizations
·  Environmental News Network 
·  Environmental Working Group 
·  Global Rivers Environmental Education Network (GREEN) 
        Natural Resources Defense Council
        (NRDC) Web

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