Skip to main content
U.S. flag

An official website of the United States government

Water Quality

What’s in the water? The USGS Washington Water Science Center answers this question by monitoring water quality conditions throughout the region. Our studies help predict potential changes and risks to water quality. We develop predictive models, novel sampling techniques, and multidisciplinary studies.

Filter Total Items: 74

Cedar River Watershed

The Cedar River watershed provides two-thirds of the water supply for the greater Seattle metropolitan region, in addition to being home to numerous terrestrial and aquatic organisms such as salmon, some of which are Federally listed as threatened species. The City of Seattle is establishing monitoring plans for the Cedar River watershed to effectively manage the resource. A critical component of...
Cedar River Watershed

Cedar River Watershed

The Cedar River watershed provides two-thirds of the water supply for the greater Seattle metropolitan region, in addition to being home to numerous terrestrial and aquatic organisms such as salmon, some of which are Federally listed as threatened species. The City of Seattle is establishing monitoring plans for the Cedar River watershed to effectively manage the resource. A critical component of...
Learn More

Highway Storm-Water Detention

In some areas of the state, the Washington State Department of Transportation (WSDOT) sometimes directs the storm-water runoff from highways into detention basins that store the water until it infiltrates into the ground. Because most of the water eventually percolates to the water table, and because runoff from highways can contain contaminants, using roadside detention basins may degrade ground...
Highway Storm-Water Detention

Highway Storm-Water Detention

In some areas of the state, the Washington State Department of Transportation (WSDOT) sometimes directs the storm-water runoff from highways into detention basins that store the water until it infiltrates into the ground. Because most of the water eventually percolates to the water table, and because runoff from highways can contain contaminants, using roadside detention basins may degrade ground...
Learn More
Was this page helpful?