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Water Resources of the United States

Water is one of six science mission areas of the U.S. Geological Survey (USGS). Water's mission is to collect and disseminate reliable, impartial, and timely information that is needed to understand the Nation's water resources.

New Ribbon Student hydrographers at Embudo, New Mexico

Celebrating the First USGS Streamgage

New Ribbon Streamer map of the conterminous United States

Launch Your Next River Trip from Your Computer Using the Latest Streamer

Map of Nutrients in the Nation's Estuaries

Tracking the Source and Quantity of Nutrients to the Nation's Estuaries

New Ribbon Sediment portal

USGS Sediment Data Portal

 Chesapeake Bay Activities

USGS Chesapeake Bay Activities

Internet Tools Fact Sheet

U.S. Geological Survey Water Resources Internet Tools - Discover a wealth of hydrologic data, maps, graphs, and other resources for your State!

Hurricane Sandy

USGS Awarded Supplemental Funds to Support Hurricane Sandy Rebuilding

How Does a U.S. Geological Survey Streamgage Work?

How Does a U.S. Geological Survey Streamgage Work?

Tracking Nitrate Pulse

Real-time Monitoring Pays Off for Tracking Nitrate Pulse in Mississippi River Basin to the Gulf of Mexico

The Water Cycle for Students

Online, interactive water-cycle diagram for schools (3 age levels)

Water Data for the Nation

New Publications

Fact Sheet 2014-3024

Fact Sheet 2014-3024

Groundwater Studies: Principal Aquifer Surveys

Open File Report 2013-1273

Circular 1392

Land Subsidence and Relative Sea-Level Rise in the Southern Chesapeake Bay Region

Open File Report 2013-1273

Open File Report 2013-5136

The Distribution and Modeling of Nitrate Transport in the Carson Valley Alluvial Aquifer, Douglas County, Nevada

Open File Report 2013-1273

Open File Report 2013-1273

Post-Fire Debris-Flow Hazard Assessment of the Area Burned by the 2013 Beaver Creek Fire near Hailey, Central Idaho

Scientific Investigations Report 2013-5169

Scientific Investigations Report 2013-5169

Nitrate in the Mississippi River and Its Tributaries, 1980-2010: An Update

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