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 Resources of the United States

The U.S. Geological Survey (USGS) collects information needed to understand the Nation's water resources, and provides access to water data, publications, and maps, as well as to recent water projects and events.

Water Resources Topics
Streams, lakes, and reservoirs

Streams, lakes, and reservoirs
Science to observe, analyze, and understand the movement and condition of surface water.

Floods and droughts

Floods and droughts
Study the conditions and consequences of water over-abundance or scarcity.

Subscribe to hydrologic alerts! - WaterAlert
Get instant data! - WaterNow

Groundwater, aquifers, and wells

Groundwater, aquifers, and wells
Science to discover and describe the location, condition, and behavior of water in the ground.

Water use

Water use
Information about how water is used now and in the past.

Quality of water resources

Quality of water resources
Science to monitor and evaluate biological, chemical, and environmental factors affecting water quality.

Contamination and pollution

Contamination and pollution
Study the existence and results of harmful substances in water, produced by humans and natural processes.

International water activitiesInternational water activities
Ongoing water projects of international interest.

Methods and modeling

Methods and modeling
Available tools and expertise to conduct water resources science.

Water Science by State

Learn About Water

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

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://water.usgs.gov/
Page Contact Information: Water Webserver Team
Page Last Modified: Monday, 31-Mar-2014 11:02:42 EDT