Water Resources of the United States


WATER DATA FOR THE NATION

National Water Information System (NWIS)

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

Data Discovery

For more data options, explore our data discovery tools.

Today's Water Conditions

View maps of current and historical conditions

Click map to go to current water resources conditions in the U.S.

Subscribe to hydrologic alerts:

WaterNow@usgs.gov

WATER SCIENCE SPECIALTIES

WATER SCIENCE BY STATE

USGS Water Science Centers are located in each state

USGS In Your State (clickable)There is a USGS Water Science Center office in each State.
Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii New York Vermont New Hampshire Maine Massachusettes South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

USGS Flood Information

Current Floods Past Floods Resources

Past Floods

Web archives of recent flood events are shown here as well as links to reports and presentations of floods over the past century. All events on these pages are organized by calendar year.

2012

2011

2010

USGS Flood Reports

Other Items of interest:

 

 

Flood Photos from USGS Multimedia Gallery

For questions related to this site or to contribute content, please email Todd Koenig or Bob Holmes at the USGS Office of Surface Water.

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Page Last Modified: Monday, 08-Apr-2013 09:39:09 EDT