Washington Water Science Center

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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.

Current Washington Water Conditions

Current Washington Water Conditions

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

Current Conditions

News

Date published: September 2, 2020

Lending a Hand During COVID-19: Maintaining a Streamgage on the Canadian Border

When USGS personnel were prevented from accessing one of our streamgages along the U.S.-Canadian border, the Water Survey of Canada stepped in to help clear debris from our streamgage and ensure it was collecting accurate data.

Date published: August 17, 2020

FLOwPER User’s Guide—For Collection of FLOw PERmanence Field Observations

USGS and USFS develop a mobile application field form for rapid collection of flow/no flow observations.

Date published: May 12, 2020

USGS Responds to Spring Flooding

U.S. Geological Survey field crews are measuring flooding across the country as spring weather is in full swing. Warming temperatures, increased precipitation and snowmelt have caused moderate to major flooding in the upper Midwest, East Coast, Central Plains and the Southeast portions of the country.

Publications

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Year Published: 2020

Contaminants in fish and shellfish in the Stillaguamish River and Port Susan marine areas, Washington

The greater Port Susan area of Central Puget Sound, Washington, is home to some of the Stillaguamish Tribe’s fishing, hunting, and gathering areas since time immemorial. It is also a popular sport and commercial fishing area for the public. Large shellfish beds lie in the Port Susan and Stillaguamish estuary and several Pacific salmon species...

Moran, Patrick; Perez, Franchesca; McBride, Dave
Moran, P.W., McBride, D., and Perez, F., 2020, Contaminants in fish and shellfish in the Stillaguamish River and Port Susan marine areas, Washington: U.S. Geological Survey Fact Sheet 2020-3043, 4 p., https://doi.org/10.3133/fs20203043.

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Year Published: 2020

FLOwPER user guide—For collection of FLOw PERmanence field observations

The accurate mapping of streams and their streamflow conditions in terms of presence or absence of surface water is important to both understanding physical, chemical, and biological processes in streams and to managing land, water, and ecological resources. This document describes a field form, FLOwPER (FLOw PERmanence), available within a mobile...

Jaeger, Kristin L.; Burnett, Jonathan; Heaston, Emily D.; Wondzell, Steve M.; Chelgren, Nathan; Dunham, Jason B.; Johnson, Sherri; Brown, Mike
Jaeger, K.L., Burnett, J., Heaston, E.D., Wondzell, S.M., Chelgren, N., Dunham, J.B., Johnson, S., and Brown, M., 2020, FLOwPER user guide—For collection of FLOw PERmanence field observations: U.S. Geological Survey Open-File Report 2020–1075, 40 p., https://doi.org/10.3133/ofr20201075.

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Year Published: 2020

Evaluation of the Washington State Department of Transportation stormwater monitoring and effectiveness program for 2014–19

The U.S. Geological Survey was asked by the Washington State Department of Transportation to provide technical assistance as a third-party reviewer of their stormwater effectiveness monitoring program during the transition between the completion of the 2014 Washington State Department of Ecology permit requirements and start of the new 2019...

Senter, Craig A.; Sheibley, Richard W.
Senter, C.A., and Sheibley, R.W., 2020, Evaluation of the Washington State Department of Transportation stormwater monitoring and effectiveness program for 2014–19: U.S. Geological Survey Open-File Report 2020–1079, 11 p., https://doi.org/10.3133/ofr20201079.