For questions about the King County  Major Lakes Monitoring Program, please contact Sally Abella (206) 477-4605, or Debra Bouchard (206) 477-4650.
 Lake Samammish picture by Sally Abella  Sail boat on Lake Washington picture by Dan Carey  Children at the beach picture by Jonathan Frodge Great Blue Heron picture by Sarah Coughlin  Oil slick on Lake Union picture by Sally Abella  Water quality buoy picture by Hans Berge

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 resources. We invite you to learn more about our program by looking through the pages listed on the left. This site contains detailed graphs of water quality data, photographs of water sampling, and general information about the water quality of King County's lakes

Aerial view of Lakes Union, Washington, and Sammamish















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Updated: 3/12/2014 12:00:00 AM