Blue-green Algae in Washington
5 confirmed blue-green algae reports in Washington, 3 still active. About this disease: symptoms and prevention.
5
Reports on record
3
Currently active
0
Last 7 days
3
Last 30 days
Where in the state
1
1
Recent reports
Blue-green Algae
Active · Aug 24, 2026
Bellingham
Toad Lake, Whatcom County; health advisory after testing found unsafe microcystin levels, owners told to wash pets' paws
Source ↗Blue-green Algae
Active · Aug 20, 2026
Tacoma
Wapato Lake, Wapato Park, South End Tacoma; toxic algae caution advisory, pets at greater risk from drinking water and licking fur
Source ↗Blue-green Algae
Active · Aug 20, 2026
Eatonville
Tanwax Lake, Pierce County; Tacoma-Pierce County Health Department toxic algae caution advisory, people and pets to avoid visible algae
Source ↗