Find articles, maps, and other content tagged by any of the 21 watershed sub-basins in the Puget Sound area. The geospatial boundaries below represent the 4th level (8-digit) hydrologic unit boundaries of the Watershed Boundary Dataset (WBD) layer for Washington. Data source: The U.S. Department of Agriculture, Natural Resources Conservation Service.
- Crescent-Hoko Watershed
- Deschutes Watershed
- Dungeness-Elwha Watershed
- Duwamish Watershed
- Fraser Watershed
- Hood Canal Watershed
- Lake Washington Watershed
- Lower Skagit Watershed
- Nisqually Watershed
- Nooksack Watershed
- Puget Sound Watershed
- Puyallup Watershed
- San Juan Islands Watershed
- Sauk Watershed
- Skokomish Watershed
- Skykomish Watershed
- Snohomish Watershed
- Snoqualmie Watershed
- Stillaguamish Watershed
- Strait of Georgia Watershed
- Upper Skagit Watershed