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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 ground water, 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

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Latest River Conditions:
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Annual Data Reports:
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SR530 Landslide - Scientific Information

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Water Science in the News

Killer Landslides
NOVA on PBS.org--Just before 11 a.m. on March 22, 2014, an ominous rumble startled the residents of the community of Oso, Washington, about an hourís drive from Seattle. It was the terrifying sound of what would become the United Statesí deadliest landslide in decades....(more)

Oso sediment increases downstream flood risk
KING-TV, Seattle--Heavy rains pushed the Stillaguamish River to near flood stage and scientists say flooding is more of a threat since the Oso landslide. Teams with the U.S. Geological Survey are measuring the amount of sediment in the North Fork of the Stillaguamish in hopes of predicting future flood risks....(more)

Red dye in Elwha River to give scientists "snapshot" of conditions after dam removal
Scientists from the U.S. Geological Survey will use a harmless fluorescent red dye to determine the complexity of the channel in the Elwha River as part of a larger effort to define conditions in the river since the removal of two dams....(more)

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Page Last Modified: Thursday, 06-Nov-2014 18:43:30 EST