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Lake Washington and Lake Sammamish Data Image Water & Land Resources
South Lake Sammamish RUSS Buoy Data

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Water Quality Buoy Location

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Lake Sammamish South Buoy Location


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Lake Washington

 Today's Water Column Data for North Sammamish
Read graphs of lake temperature, pH, conductivity, dissolved oxygen (mg/L and % saturation), and chlorophyll-a at various lake depths, and how to interpret the graphs.

Water Column Graphs over Time
Learn how water quality has changed over the last several months at the North Lake Washington Buoy, and identify when select conditions were unhealthy or even lethal for salmon and trout :

Go to the Lake Sammamish Routine Monitoring Program to look up additional water quality sampling data from other points on Lake Sammamish. Includes historical water quality data.

Please note: These data are provisional and are presented for demonstration purposes only.

For questions about information on this page, please contact Jonathon Frodge, Limnologist, or Jeff Burkey, Hydrologist.

For questions about the
Water and Land Resources Web site, please contact Fred Bentler, Webmaster.


Department of Natural Resources
Water and Land Resources Division

Updated: Sept 29, 2005

  Related Information:

Lake Topics

Sammamish Watershed page

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Links to external sites do not constitute endorsements by King County.
By visiting this and other King County web pages,
you expressly agree to be bound by terms and conditions of the site.
The details.

For questions about information on this page, please contact rob.blomquist@metrokc.gov , Water Quality Planner, or Jeff Burkey, Hydrologist.

For questions about the
Water and Land Resources Web site, please contact Fred Bentler, Webmaster.


Department of Natural Resources and Parks
Water and Land Resources Division

Updated: August 5, 2002

  Related Information:

Lake Topics

Sammamish Watershed page

King County | Natural Resources and Parks | Water and Land Resources | News | Services | Comments | Search

Links to external sites do not constitute endorsements by King County.
By visiting this and other King County web pages,
you expressly agree to be bound by terms and conditions of the site.
The details.