Most King County offices will be closed on Monday, May 29, 2017, for Memorial Day.  
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Beaver Lake Beach A709SB

This beach is not currently monitored. The last year this beach was monitored is 2016. Please select a year from the drop down menu.

Beaver Lake is monitored every other week. 2010 is the first year this lake has participated in this monitoring program and therefore there are no archived data.