Oregon Water Science Center
News
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"Legacy nitrogen" contributing to upward nitrate trends in streams
Despite the tremendous effort invested in reducing the use of nitrogen, widespread decreases in nitrate loads in US rivers and streams remain elusive—what gives? A new study from the USGS provides more evidence that the culprit is the slow release to streams of nitrogen that has accumulated in groundwater and other...
Potential Burrowing Habitat for Lamprey Larvae in the Umpqua River Basin, Oregon
Lampreys in the Umpqua River basin face multiple threats, including predation by nonnative fish such as smallmouth bass.
USGS Unveils Mobile Flood Tool for the Nation
The U.S. Geological Survey announced Friday the completion of a new mobile tool that provides real-time information on water levels, weather and flood forecasts all in one place on a computer, smartphone or other mobile device.
Expanding our knowledge of Willamette River fish habitat
USGS scientists are providing important information about off-channel features of the Willamette River, which provide habitat for many fish species including salmonids. This information will fill gaps in the data needed to effectively manage the Willamette River system.
Surface-water nutrient and sediment mappers are now available
SPARROW mappers are interactive tools that allow users to evaluate streamflow and nutrient and sediment conditions as well as the importance of different sources of contaminants in a selected river basin. Data can be visualized at different scales using maps and interactive graphs and tables.
USGS Responds to Oregon Wildfires
On Labor Day, September 7, 2020, dry conditions combined with unusually strong summer winds resulted in several fires in western and southern Oregon. These fires have caused property damage and fatalities.
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.
COVID-19 Statement
The USGS Oregon Water Science Center is open and operational.
Lunchtime Seminar Series (Winter 2020)
Our lunchtime seminars are held Tuesdays from 12pm to 1 pm PT. The science lectures are held at the USGS Oregon Water Science Center at 2130 SW 5th Avenue in Portland, OR (unless otherwise noted). The presentations are informal and are open to the public. Please, bring your lunch.
USGS-PSU Partnership (UPP)
In June 2007, the U.S. Geological Survey (USGS) and Portland State University (PSU) formally joined together into a partnership working toward collaborative research, education, and outreach.
Lunchtime Seminar Series (Fall 2019)
Our lunchtime seminars are held Tuesdays from 12pm to 1 pm PT. The science lectures are held at the USGS Oregon Water Science Center at 2130 SW 5th Avenue in Portland, OR. The presentations are informal and are open to the public. Please, bring your lunch.
Lunchtime Seminar Series (Spring 2019)
In Spring Term, 2019, the USGS lunchtime seminar is a joint seminar series with the Portland State University School of the Environment (SOE) and Oregon State University. Seminars are on Tuesdays from noon to 1:00 pm, April 2 through May 28, 2019.
The Spring 2019 seminars are held on PSU's campus in Cramer Hall, Room 53 - 1721 SW Broadway, Portland, OR 97201