
Green Lake
King County, Washington
If you see an algae scum, keep yourself, your children, and your pets out of the algae. Algae scums can produce toxins that are harmful to people and pets. » More info
Green Lake recreation
- Green Lake fishing
- Green Lake weather report
- Green Lake Park, City of Seattle
- Green Lake toxic algae
Swimming beach water quality
Subscribe to water quality alerts or weekly status of freshwater swimming beaches across King County:
Green Lake and watershed data
- Watershed area: 1,875 acres
- Lake surface area: 259 acres
- Maximum depth: 30 feet
- Mean depth: 13 feet
- Green Lake water quality data
Green Lake watershed area
Green Lake bathymetric contour map
For questions about lakes in King County, please contact lakes@kingcounty.gov or call the Water and Land Resources Division front desk at 206-477-4800.