Blue-green Algae in Colorado
6 confirmed blue-green algae reports in Colorado, none currently active. About this disease: symptoms and prevention.
6
Reports on record
0
Currently active
0
Last 7 days
0
Last 30 days
Where in the state
1
1
1
1
1
1
Recent reports
Blue-green Algae
Historical · Jun 30, 2026
Westcliffe, Custer County
Deweese Reservoir (bloom producing toxins)
Source ↗