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Updated Interactive Map Showing Groundwater Levels in the Upper Klamath Basin Aids Water, Land Managers

The U.S. Geological Survey recently upgraded the Upper Klamath Basin Collaborative Groundwater Monitoring website to provide information on current...

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Media Alert: Low-Flying Airplane Mapping Parts of the Central Cascade Range in Southern Washington and Northern Oregon

Residents should not be alarmed if they see a low-flying airplane over parts of southern Washington and northern Oregon starting October 21, 2021.

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USGS uses watershed modeling to assess surface-water nutrient impairment across the Pacific Northwest and California

The region-wide, reach-scale results from a new study provide two new tools that might help water-quality managers. One is an estimate of the total...

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USGS Releases Groundwater-Level Contour Maps for the Harney Basin, Oregon

Groundwater-level contour maps from a groundwater-availability study of the Harney Basin are now available. These results are important for...

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PSU-USGS study improves the understanding of how pesticides are transported within Oregon coastal watersheds

The results from this study provide insights into the effectiveness of current forest management practices in controlling the transport of forest-use...

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A Momentous Anniversary for USGS Continuous Water-Quality Monitoring in Oregon

May 7th, 2021 will mark 30 years of continuous water-quality monitoring in the Tualatin River for the USGS Oregon Water Science Center.

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USGS Measures the Effect of Recent Wildfires on Water Quality in Oregon

Some of the intense wildfires that occurred during late summer of 2020 in Oregon happened along streams that were being monitored by the USGS. As a...

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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...

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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.

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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...

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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...

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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...

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