The U.S. Geological Survey maintains national digital data bases of water-use information. The data are collected and compiled every five years for each State, the District of Columbia, Puerto Rico, and the U.S. Virgin Islands.
Other files, such as lists of county names, graphics, and charts, are also available for some years.
Last updated 11:15:36 Thu 23 Sep 2004
The URL for this page is http://water.usgs.gov/watuse/wudata.html
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