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Hydrologic Information Center - Field Measurements
Field observations performed by Hydrologic Information Center staff. -
Hydrologic Information Center - Multi-depth data
Data taken from multiple depths in King County bodies of water. -
Hydrologic Information Center - Multi-parameter data
Search for Hydrology data by parameter, for a specified site. -
Hydrologic Information Center - Multi-site data
Search for hydrologic data across sites, by a specified parameter. -
Small Lakes Monitoring
Welcome 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... -
Lake Buoy Data
Data collected from lake monitoring buoys throughout King County -
Major Lakes Monitoring
We 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... -
Lake Swimming Beach Bacteria
Interactive map of current freshwater swimming beach sampling stations in King County, and downloadable data.