Images

 Streaks of cyanobacteria near the surface of the Willamette River inside the Ross Island Lagoon. 

Horse Creek is a tributary of the McKenzie River, situated near the unincorporated community of McKenzie Bridge in Lane County, Oregon, USA.

Photo taken after measuring the streamflow volume on the South Fork McKenzie River, above Cougar Reservoir. 

Looking southwest from Military Crossing Road with Mt. Scott in the background. The Williamson River makes its way through dense marsh vegetation. 

Looking northwest from Military Crossing Rd with the  Williamson River in the foreground.

Looking southwest from Silver Lake Rd. towards Wocus Bay in the Klamath Marsh. The upper reaches of the Williamson River winds through the marshland. 

A groundwater irrigation well supplies water to a small channel in southern Oregon. 

Lake Abert, Oregon is one of the 20 terminal lakes identified by USGS partners as priority ecosystems for study by the Saline Lakes Ecosystems IWAA.

Goose Lake, on the Oregon-California border, is one of the 20 terminal lakes identified by USGS partners as priority ecosystems for study by the Saline Lakes Ecosystems IWAA. 

Irving Creek monitoring station near Lenz, Oregon in the Williamson River Basin. View data. 

Jackson Creek monitoring station near Lenz, Oregon in the Williamson River Basin. View data. 

Sand Creek monitoring station below Sand Creek Canal near Chinchalo, Oregon in the Williamson River Basin. View data.

The brown PVC bank mounted pipe houses water-quality instruments. The grey cylinder houses an automatic sampler, that draws water samples from the river at programed times.

Lisa Hoaks and Carrie Boudreau ran an exhibit booth at the 2024 Children's Clean Water Festival. They presented an introduction to the Water Cycle with an interactive matching game along with a look at the USGS Streamer app to see where nearby rivers flow.

Lisa Hoaks and Carrie Boudreau ran an exhibit booth at the 2024 Children's Clean Water Festival. They presented an introduction to the Water Cycle with an interactive matching game along with a look at the USGS Streamer app to see where nearby rivers flow.

The USGS monitors for toxins near the industrial complexes of the Columbia River in Portland. Learn more about Portland's industrial areas.

Scientist's boat on the Columbia River collecting samples to help track toxins throughout the year.

Retrieving a Solid Phase Adsorption Toxin Tracking (SPATT) sampler from the Columbia River. Passive samplers like this one are left in the river to accumulate toxins over time for later analysis.

Technicians deployed Detroit Lake's new water-quality monitoring station in April, 2024.

Summer Lake, Oregon is one of the 20 terminal lakes identified by USGS partners as priority ecosystems for study by the Saline Lakes Ecosystems IWAA.

The Umatilla River basin in northeastern Oregon is characterized by warm, dry summers and cold, wet winters. Photo taken during groundwater recharge research field work.