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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.

Water Science in the News

River Flows Set new Records...
A "pineapple express" storm system that brought intense rainfall to western Washington on December 2 and 3, 2007, pushed river flows at about 10 sites to new all-time record high flows.

New Peak Flow For Record Chehalis Flood
A new record was set in peak streamflow in the upper watershed of the Chehalis River, according to preliminary calculations made after the December 3, 2007, storm event. The streamflow indicates a pattern resulting from a very intense rainstorm.

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Latest River Conditions:
Statewide Streamflow Table
Daily Streamflow Conditions
Washington StreamStats

Annual Data Report - 2007
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Regional Water Issues


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Page Last Modified: Tuesday, 06-May-2008 14:54:25 EDT