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USGS Washington Water Science Center

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Welcome to the United States Geological Survey

This is your direct link to all kinds of water resource information. Here you'll find information on Washington's rivers and streams. You'll also find information about groundwater, water quality, and many other topics. The USGS operates the most extensive satellite network of stream-gaging stations in the state, many of which form the backbone of flood-warning systems.

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Regional Water Science Issues


Latest River Conditions:
Statewide Streamflow Table
Real-Time Map - ESRI Maps

Annual Data Reports:
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Water Science in the News

In Floodplains, Protecting People Can Also Improve Habitat Health
Floodplains in the Puget Sound region can be managed to protect people and also increase the health of rivers....(more)

Water Use in Washington Decreased from 2005-2010
Decreases in freshwater withdrawn for irrigation and thermoelectric power led to a 15 percent overall decrease in freshwater use in Washington between 2005 and 2010....(more)

One Year Later -- The Oso Landslide in Washington
The USGS reflects on the landslide that occurred on March 22, 2014. The event led to tragic loss of life and destruction of property....(more)

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SR 530 Landslide - Scientific Information

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Page Last Modified: Thursday, 09-Jul-2015 16:13:49 EDT