Oregon Water Resources
- Oregon Water Resources Department
- Institute for Water and Watersheds
- Hydrophiles
- Linn County Soil & Water Conservation District
- Portland Water Bureau
Water Resources in the U.S.
- EPA Water and Watersheds
- USGS Water Resources of the United States
- National Groundwater Association
- Heinz Center
- U.S. Fish and Wildlife Service
International Water Resources
- UNESCO Water
- Ramsar Convention on Wetlands
- American Geophysical Union
- Transboundary Freshwater Dispute database
- Universities Partnerships for Water