https://www.oregon.gov/deq/wq/tmdls/Pages/willametteimplementation.aspx
Department of Environmental Quality : Willamette Basin-Specific: TMDL Implementation : Total...
information on Willamette basin-specific implementation
department ofenvironmental qualitywillamette basinspecifictmdl
https://www.epa.gov/tmdl/willamette-basin-mercury-tmdl
Willamette Basin Mercury TMDL | US EPA
Mar 27, 2026 - EPA's Total Maximum Daily Load (TMDL) for mercury in the Willamette River Basin, Oregon.
willamette basinmercurytmdlusepa
https://www.usgs.gov/news/national-news-release/usgs-selects-willamette-river-basin-fourth-integrated-water-science
USGS Selects Willamette River Basin as Fourth Integrated Water Science Basin | U.S. Geological...
The U.S. Geological Survey selected the Willamette River Basin in the Pacific Northwest as the latest location for an in-depth examination of factors affecting...
https://www.usgs.gov/publications/ground-water-resources-lower-santiam-river-basin-middle-willamette-valley-oregon
Ground-water resources of the lower Santiam River Basin, middle Willamette Valley, Oregon | U.S....
No abstract available.
https://www.usbr.gov/pn/programs/esa/oregon/willamette/index.html
Willamette River Basin Project, PN Region
Willamette River Basin, Endangered Species Act, Biological Assessments, Biological Opinions, Bureau of Reclamation - Managing water and power in the West
willamette riverbasinprojectpnregion