Groundwater Well Data

The King County Groundwater Protection Program maintains a database of groundwater wells, water quality and water level sampling data. Users may search the database using Quick or Advanced Search OR use King County Groundwater iMap map set.
  
  Groundwater Well Data Search - Create your custom groundwater well data search

  Groundwater Well Viewer - View locations of wells in an interactive groundwater mapping application

  Groundwater iMap map set - View locations of wells in iMap