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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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SR530 Landslide - Scientific Information

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Water Science in the News

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)

Under Rainier's crater, a natural laboratory like no other
Below the ice cap at Mount Rainier's summit lies a network of otherworldly grottoes explored this summer by scientists and cavers...The USGS regularly samples more accessible volcanoes, but has no helium data from Rainier. Bachmann's specimens, collected in tiny copper tubes, will provide a baseline....(more)

Mercury Finds a Way--Even into the Pristine National Parks
Although generally low in concentration, a study of mercury levels in fish in 21 Western national parks did find some locations where mercury concentrations exceeded health thresholds for potential impacts to fish, birds, and humans, according to USGS and National Park Service researchers in a recent publication.....(more)

Launch Your Next River Trip from Your Computer Using the Latest Streamer
Streamer is the popular on-line mapping program from USGS. It's a powerful, yet easy way to explore our major waterways.....(more)

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Page Last Modified: Tuesday, 27-May-2014 17:01:25 EDT