- Alsea River, Oregon, United States, (Hydrographic)2
- Willamette River, Oregon, United States, (Hydrographic)2
- Willamette Valley, Multnomah County, Oregon, United States2
- Willamette Valley, Oregon, United States, (Hypsographic)2
- Chetco River Estuary, Oregon, United States, (Hydrographic)1
- Coquille River Estuary, Oregon, United States, (Hydrographic)1
- Nestucca River Estuary, Oregon, United States, (Hydrographic)1
- Rogue River Estuary, Oregon, United States, (Hydrographic)1
- Siletz River Estuary, Oregon, United States, (Hydrographic)1
- South Fork Alsea River, Oregon, United States, (Hydrographic)1
- Tualatin River, Oregon, United States, (Hydrographic)1
- Umpqua River Estuary, Oregon, United States, (Hydrographic)1
- Walla Walla River, Washington, United States, (Hydrographic)1
- Yaquina River, Oregon, United States, (Hydrographic)1