Joining mailing list will entitle you
to receive occasional emails informing you of news and
updates to the site and any special offers that may be
of interest to you.
Hydrologic Engineering Center (HEC), U.S. Army Corps of Engineers
Home page for water resources information from the U.S. Geological Survey. Topics include ground water, surface water, water use, water quality, acid rain, toxic substances hydrology.
US federal agency responsible for protecting and improving water quality. Site includes details of national water programs, online library, local information, laws, and kids page.
Part of United Nations University. Fosters the application of appropriate technologies to meet water needs and assist environmental industries in developing countries.