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.

Hydrologic Networks and Analysis Program (HNA)

Key Activities:

HNA provides full or partial support for:

National Stream Quality Accounting Network (NASQAN) National Stream Quality Accounting Network (NASQAN)
Hydrologic Benchmark Network Hydrologic Benchmark Network
Acid Rain, Atmospheric Deposition and Precipitation Chemistry Acid Rain, Atmospheric Deposition and Precipitation Chemistry

DATA DELIVERY

National Water Information System (NWIS) National Water Information System (NWIS)

RESEARCH

National Park Service Water-Quality Partnership National Park Service Water-Quality Partnership
Climate Research Climate Research
Priority Ecosystem Science Priority Ecosystem Science
Klamath River Basin Klamath River Basin

USGS Home Water Climate Change Science Systems Ecosystems Energy, Minerals, & Env. Health Hazards USGS Intranet

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URL: http://water.usgs.gov/hna/key_activities.html
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Page Last Modified: Monday, 24-Feb-2014 13:55:54 EST