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: the water science picture gallery [ More info] Photos with descriptions of water subjects and of scientists engaged in water research.
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 Georgia by County for 2005; and Water-Use Trends, 1980-2005 [ More info] Estimated using data obtained from various Federal and State agencies and local sources. Total consumptive water use also was estimated for each county in Georgia for 2005.
Water use in Tennessee [ More info] Tennessee water-use information including links to a fact sheet, data, charts, and maps.
Water use trends in Washington, 1985-2005 [ More info] Summary of water use by major category through the last few decades in the state.
WaterSMART-The Colorado River Basin focus-area study [ More info] Explains the strategy that USGS will use to estimate the distribution and abundance of freshwater resources, evaluate factors affecting availability, estimate undeveloped potential resources, and forecasting likely changes due to other factors.
Biosolids, Animal Manure, and Earthworms: Is There a Connection? [ More info] Research findings and examples of application to real problems--how household contaminants accumulate in and effect the environment
Distribution of high-temperature (>150 °C) geothermal resources in California [ More info] Description and map of geothermal resources in California.
Alphabetical Index of Topics
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