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      StreamsThis dataset contains water quality samples collected from Puget Sound, lakes, and streams in the region which can be filtered by "Site Type" and "Area". To see where water...
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      Whidbey Bottle DataThis dataset contains water quality samples collected from Puget Sound, lakes, and streams in the region which can be filtered by "Site Type" and "Area". To see where water...
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      Water QualityPrior to downloading data, please download the README file. This dataset contains water quality samples collected from Puget Sound, lakes, and streams in the region which can be...
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      Groundwater Well Data SearchThe 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...
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      Hydrologic Information Center - Multi-depth dataData taken from multiple depths in King County bodies of water.
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      Hydrologic Information Center - Multi-parameter dataSearch for Hydrology data by parameter, for a specified site.
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      Hydrologic Information Center - Multi-site dataSearch for hydrologic data across sites, by a specified parameter.
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      Small Lakes MonitoringWelcome to the Lakes Data and Descriptions application! Use this application to search, view, and download water quality data resulting from volunteer monitoring efforts at more...
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      Lake Buoy DataData collected from lake monitoring buoys throughout King County
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      Major Lakes MonitoringWe are committed to monitoring the water quality of the County's lakes to ensure their continued health, as well as the health of the public who utilize the lake's many...
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      Lake Swimming Beach BacteriaInteractive map of current freshwater swimming beach sampling stations in King County, and downloadable data.