- 
    
      Freshwater Swim Beach DataThis data represents the results of the King County Swim Beach program. These data are generally available from mid-May to late September during the swim beach monitoring...
- 
    
      Lake Swimming Beach BacteriaInteractive map of current freshwater swimming beach sampling stations in King County, and downloadable data.
- 
    
      Seattle Parks and Recreation GIS Map Layer Web Services URL - Swimming BeachesSeattle Parks and Recreation ARCGIS park feature map layer web services are hosted on Seattle Public Utilities' ARCGIS server. This web services URL provides a live read only...