Water Resources of the United States


WATER DATA FOR THE NATION

National Water Information System

View current and historical streamflow, ground-water level, and water-quality data

Today's Water Conditions

View comparisons of current and historical conditions using maps
Click map to go to current water resources conditions in the U.S.

WATER SCIENCE SPECIALTIES

WATER SCIENCE BY STATE

USGS Water Science Centers are located in each state

Water Quality Technical Memorandums


Search the Water Quality Technical Memos:



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2000 to 2009

1990 to 1999

1980 to 1989

1970 to 1979

1960 to 1969

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