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Environmental Health

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Integrated Water Science Basins: Willamette River

The Willamette River Basin reflects the conflicting water demands between humans and ecosystems—particularly salmon— and the challenge resource managers face throughout the Pacific Northwest.
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Integrated Water Science Basins: Willamette River

The Willamette River Basin reflects the conflicting water demands between humans and ecosystems—particularly salmon— and the challenge resource managers face throughout the Pacific Northwest.
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Upper Klamath Basin Studies and Data Collection

The USGS has been studying the Klamath Basin for decades. The USGS provides unbiased data to Tribal partners and resource managers to aid with complex management and conservation efforts.
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Upper Klamath Basin Studies and Data Collection

The USGS has been studying the Klamath Basin for decades. The USGS provides unbiased data to Tribal partners and resource managers to aid with complex management and conservation efforts.
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Oregon Water Science Center's Malheur Lake Portfolio

USGS scientists have partnered with local groups to learn about the processes affecting turbidity in Malheur Lake. Located in southeastern Oregon, Malheur Lake and the surrounding refuge provide critical habitat to birds migrating along the Pacific Flyway.
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Oregon Water Science Center's Malheur Lake Portfolio

USGS scientists have partnered with local groups to learn about the processes affecting turbidity in Malheur Lake. Located in southeastern Oregon, Malheur Lake and the surrounding refuge provide critical habitat to birds migrating along the Pacific Flyway.
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Willamette FIP Effectiveness Monitoring Framework

The goal of this project is to develop an effectiveness monitoring framework that can be used to inform monitoring and data collection for the Willamette River Focused Investment Partnership (WFIP) Effectiveness Monitoring Program. The USGS is developing this monitoring framework in collaboration with the Benton Soil and Water Conservation District (BSWCD), Bonneville Environmental Foundation (BEF...
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Willamette FIP Effectiveness Monitoring Framework

The goal of this project is to develop an effectiveness monitoring framework that can be used to inform monitoring and data collection for the Willamette River Focused Investment Partnership (WFIP) Effectiveness Monitoring Program. The USGS is developing this monitoring framework in collaboration with the Benton Soil and Water Conservation District (BSWCD), Bonneville Environmental Foundation (BEF...
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Controls on Salmon and Lamprey Habitat along the Siletz River

Chinook Salmon and Pacific Lamprey are culturally significant fishes to the Tribal community along the Siletz River, Oregon. The USGS has begun studying how streamflow and bedload conditions may influence mainstem spawning habitats.
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Controls on Salmon and Lamprey Habitat along the Siletz River

Chinook Salmon and Pacific Lamprey are culturally significant fishes to the Tribal community along the Siletz River, Oregon. The USGS has begun studying how streamflow and bedload conditions may influence mainstem spawning habitats.
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Harmful Algal Blooms and Drinking Water in Oregon

Harmful algal blooms are a major environmental problem in all 50 states.
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Harmful Algal Blooms and Drinking Water in Oregon

Harmful algal blooms are a major environmental problem in all 50 states.
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Ecosystem Effects of Increased Coal Transport Across the Pacific Northwest

Proposed new coal export terminals in Washington and Oregon could increase rail traffic through the Northwest and potentially increase unintended release of coal dust to the environment.
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Ecosystem Effects of Increased Coal Transport Across the Pacific Northwest

Proposed new coal export terminals in Washington and Oregon could increase rail traffic through the Northwest and potentially increase unintended release of coal dust to the environment.
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Malheur Lake Light Transmission Study

The Malheur National Wildlife Refuge provides habitat for a variety of highly valued ecosystem services, including shorebirds, waterfowl, and a diversity of other wildlife species.
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Malheur Lake Light Transmission Study

The Malheur National Wildlife Refuge provides habitat for a variety of highly valued ecosystem services, including shorebirds, waterfowl, and a diversity of other wildlife species.
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Effects of Highway Runoff on Water Quality

"SELDM facilitates analysis by providing precipitation, pre-storm streamflow, and other variables by region or from hydrologically similar sites."
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Effects of Highway Runoff on Water Quality

"SELDM facilitates analysis by providing precipitation, pre-storm streamflow, and other variables by region or from hydrologically similar sites."
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Willamette River Studies

Welcome to the Willamette River Study page. Here you will find links to USGS research for the Willamette River and the Willamette River Basin.
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Willamette River Studies

Welcome to the Willamette River Study page. Here you will find links to USGS research for the Willamette River and the Willamette River Basin.
Learn More

Water Temperature Modeling in the Middle Fork Willamette and South Santiam River Basins

Hills Creek, Lookout Point, and Dexter Dams are located on the Middle Fork Willamette River upstream of Eugene in western Oregon, and are important resources managed by the U.S. Army Corps of Engineers (USACE) for flood control, hydroelectric power, recreation, navigation, and irrigation. On the South Santiam River east of Albany in western Oregon, Green Peter and Foster Dams provide functions and...
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Water Temperature Modeling in the Middle Fork Willamette and South Santiam River Basins

Hills Creek, Lookout Point, and Dexter Dams are located on the Middle Fork Willamette River upstream of Eugene in western Oregon, and are important resources managed by the U.S. Army Corps of Engineers (USACE) for flood control, hydroelectric power, recreation, navigation, and irrigation. On the South Santiam River east of Albany in western Oregon, Green Peter and Foster Dams provide functions and...
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Tualatin River Basin Water Quality Assessment

In 1990, the USGS began assessing water-quality in the Tualatin River. Almost 30 years later, we are still monitoring conditions in the basin.
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Tualatin River Basin Water Quality Assessment

In 1990, the USGS began assessing water-quality in the Tualatin River. Almost 30 years later, we are still monitoring conditions in the basin.
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