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Latest Earthquake | Chat Share
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.
Explore real-time Washington streamflow, groundwater, and water-quality conditions and access data with our new interactive map application.