WATER USE

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Estimated Withdrawals from Principal Aquifers in the United States, 2000

The files linked on this page present water-use estimates by principal aquifer for each State for the United States, the District of Columbia, Puerto Rico, and the U.S. Virgin Islands, as published in Circular 1279, Estimated Withdrawals from Principal Aquifers in the United States, 2000.

In addition to the report, the water-use terminology page may be helpful to understand the data.

Principal aquifer estimates for 2000

• All States collected data for public supply, irrigation, and self-supplied industrial groundwater use, which represents 92 percent of the total groundwater use reported by county for 2000. The water-use categories of self-supplied domestic, aquaculture, livestock, mining, and thermoelectric power made up the remaining 8 percent and were not estimated for principal aquifers.
• All States will have estimates of total irrigation. States optionally may have estimated subtotals for crop irrigation and golf-course irrigation.
• Groundwater withdrawals for 2000 were assigned to the principal aquifers in each State. Withdrawals from aquifers which are not principal aquifers for the U.S. were reported under "other aquifers".

Data Files

A file of all principal aquifer data by State for the United States is provided in MS Excel format and as a tab-delimited ASCII file. (The use of trade names is for identification purposes only and does not constitute endorsement by the U.S. Geological Survey.) Microsoft has a free viewer program for Microsoft Excel files for those who do not have access to a copy of Microsoft Excel.

Data dictionary information is provided in Excel comment fields attached to each column heading, and on a worksheet in the Excel file. A separate data dictionary also is available for use with the ASCII file.