Water Use in the United States



WATER DATA FOR THE NATION

National Water Information System (NWIS)

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Today's Water Conditions

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WATER SCIENCE SPECIALTIES

WATER SCIENCE BY STATE

USGS Water Science Centers are located in each state

Changes in Water-Use Categories

Water-use terminology has changed in the series of USGS water-use Circulars prepared at 5-year intervals. The category changes over time are illustrated here. In some changes categories were re-named but retained essentially the same definition, while other changes split existing categories or shifted components of a category to another category. See the linked definitions of the categories for other details.

1950  
1955
1960
1965-1980
1985
Sewage Treatment (releases)
1990-1995
Animal Specialties  (incl. fish farming)
Commercial (incl. offstream fish hatcheries)
2000-2010
Aquaculture (incl. fish farming & hatcheries)
Commercial
not estimated
Hydroelectric Power
not estimated
Wastewater Treatment not estimated

 

*Rural estimates for 1950 and 1955 were retroactively allocated to Rural Domestic and Livestock in later reports.

 

 

 

 

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URL: http://water.usgs.gov/watuse/WU-Category-Changes.html
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Page Last Modified: Monday, 24-Feb-2014 14:37:00 EST