Water supply and demand
The quantities of water resources in an area that are easily available and the amount of water that is needed for all uses.
Water science for schools: follow a drip through the water cycle [ More info] Site for elementary school students on the water cycle with a link to a version geared for second grade students and a random link.
Water science for schools: the activity center - challenge questions [ More info] Educational site for elementary school students with questions to challenge students plus links to opinion surveys, questionnaires, and water facts.
Water science for schools: the water science picture gallery [ More info] Photos with descriptions of water subjects and of scientists engaged in water research.
Water science for schools: water use in the United States [ More info] Educational site for elementary school students on water use in the United States.
Water science for schools: where is Earth's water located? [ More info] Educational site for elementary school students on the distribution of water, water supply and water use.
Water security-National and global issues [ More info] Outlines the factors that affect freshwater supply and quality, emphasizing the social and geopolitical aspects of policy decisions.
Water site information for the Nation [ More info] The Site Inventory System provides inventory of and access to data for sites at stream reaches, wells, test holes, springs, tunnels and other hydrologic locations where hydrologic data is collected by the USGS. Data can be viewed or downloaded.
Water use in Florida, 2005 and trends 1950-2005 [ More info] Explains many activities in which water is used, with statistics on how much water is used in each activity.
Water use in Tennessee [ More info] Tennessee water-use information including links to a fact sheet, data, charts, and maps.
Water use in the United States [ More info] Links to water use reports for the United States for 1985, 1990, and 1995 comparison of use and renewable water supply by region, handbook for collecting water-use data, and other information on national water use.
Alphabetical Index of Topics
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