Groundwater Levels In and Near the Duwamish River Valley, Washington
March 31, 2025
This web page displays groundwater-level data for selected wells monitored by the U.S. Geological Survey (USGS) in and near the Duwamish River valley, King County, Washington. These data are part of a project to better understand the geology and groundwater in and near the Duwamish River valley and how groundwater may contribute to flooding in the valley.
Key features include map-based data exploration, hydrographs from project wells, and filterable data downloads.
Media
Sources/Usage: Public Domain. View Media Details
Related
Hydrogeologic Framework for Duwamish River Valley, Washington
The Issue: Most of the Duwamish River valley in Seattle, Washington, is less than 20 feet above sea level; consequently, the river valley is prone to flooding during high tides, extreme rainfall, and high streamflow. In addition, groundwater inundation—localized coastal flooding due to a rise of the groundwater table with global sea-level rise—may compound flooding issues in the area. The King...
Related
Hydrogeologic Framework for Duwamish River Valley, Washington
The Issue: Most of the Duwamish River valley in Seattle, Washington, is less than 20 feet above sea level; consequently, the river valley is prone to flooding during high tides, extreme rainfall, and high streamflow. In addition, groundwater inundation—localized coastal flooding due to a rise of the groundwater table with global sea-level rise—may compound flooding issues in the area. The King...