Welcome to the Washington Water Science Center
Our expertise in water science spans disciplines.
Data you can use
We provide free surface water, water quality, and groundwater data.
Washington Water Science Center
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 streamgaging stations in the state, many of which form the backbone of flood-warning systems.