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: November 1, 2017

New USGS Study Tracks Millions of Tons of Rocks, Gravel and Silt Carried by the Sauk River

TACOMA, Wash. — The U.S. Geological Survey recently published the results of a new five-year suspended-sediment and water temperature study from the Sauk River. The purpose of this study is to improve understanding of the magnitude and timing of suspended sediment from the Sauk River and its tributaries to the Skagit River.

Date published: February 13, 2017

New USGS Field Method is a Breakthrough for Contaminant Analysis in Water Samples

The U.S. Geological Survey published a new report highlighting a portable continuous-flow centrifuge which aims to save time and money on contaminant analysis of particles suspended in water samples.

Date published: April 4, 2016

New Tool and Knowledge to Aid Columbia Basin Water Managers

Water managers in eastern Washington now have access to the first U.S. Geological Survey computer model of the East Pasco Basin, allowing them to simulate “what-if” groundwater management scenarios, according to a USGS report.

Publications

Year Published: 2018

Hydrology-driven chemical loads transported by the Green River to the Lower Duwamish Waterway near Seattle, Washington, 2013–17

The sediments in the Lower Duwamish Waterway Superfund site in Seattle, Washington, are contaminated with chemicals including metals such as arsenic, polychlorinated biphenyls (PCBs), carcinogenic polycyclic aromatic hydrocarbons (cPAHs), and dioxins/furans from decades of intense anthropogenic activities. The U.S. Geological Survey, in...

Conn, Kathleen E.; Black, Robert W.; Senter, Craig A.; Peterson, Norman T.; Vanderpool-Kimura, Ann
Conn, K.E., Black, R.W., Senter, C.A., Peterson, N.T., and Vanderpool-Kimura, A., 2018, Hydrology-driven chemical loads transported by the Green River to the Lower Duwamish Waterway near Seattle, Washington, 2013–17: U.S. Geological Survey Scientific Investigations Report 2018-5133, 37 p., https://doi.org/10.3133/sir20185133.

Year Published: 2018

Concentrations of nutrients at the water table beneath forage fields receiving seasonal applications of manure, Whatcom County, Washington, autumn 2011–spring 2015

The U.S. Geological Survey, in cooperation with the Whatcom Conservation District (WCD), collected groundwater-quality data for roughly 3 years (October 2011–May 2015) from near the water table beneath forage fields receiving regular seasonal applications of liquid dairy manure in Whatcom County, Washington. The work was done as part of an...

Cox, Stephen E.; Spanjer, Andrew R.; Huffman, Raegan L.; Black, Robert W.; Barbash, Jack E.; Embertson, Nichole M.
Cox, S.E., Spanjer, A.R., Huffman, R.L., Black, R.W., Barbash, J.E., and Embertson, N.M., 2018, Concentrations of nutrients at the water table beneath forage fields receiving seasonal applications of manure, Whatcom County, Washington, autumn 2011–spring 2015: U.S. Geological Survey Scientific Investigations Report 2018-5124, 41 p., https://doi.org/10.3133/sir20185124.

Year Published: 2018

Water use in Washington, 2015

BackgroundWater use in the State of Washington has evolved during the past century from small withdrawals used for domestic and stock needs to the diverse needs of current public supply systems, domestic water users, irrigation projects, industrial plants, and aquaculture industries. Increasing demand for water makes the accountability of water...

Fasser, Elisabeth T.
Fasser, E.T., 2018, Water use in Washington, 2015: U.S. Geological Survey Fact Sheet 2018-3058, 4 p., https://doi.org/10.3133/fs20183058.