Blue-green Algae in Rhode Island
10 confirmed blue-green algae reports in Rhode Island, 2 still active. About this disease: symptoms and prevention.
10
Reports on record
2
Currently active
0
Last 7 days
2
Last 30 days
Where in the state
3
2
1
1
Recent reports
Blue-green Algae
Active · Aug 28, 2026
Johnston
Oak Swamp Reservoir; RIDOH/DEM advisory issued 8/28
Source ↗Blue-green Algae
Active · Aug 21, 2026
Smithfield
Georgiaville Pond; RIDOH/DEM advisory issued 8/21
Source ↗Blue-green Algae
Historical · Aug 7, 2026
Cranston
Blackamore Pond; RIDOH/DEM advisory, all recreation high risk
Source ↗Blue-green Algae
Historical · Jul 21, 2026
Portsmouth, Newport County
Lower Melville Pond, Portsmouth
Source ↗Blue-green Algae
Historical · Jul 10, 2026
Barrington, Bristol County
Brickyard Pond, Barrington
Source ↗Blue-green Algae
Historical · Jul 2, 2026
North Providence, Providence County
Wenscott Reservoir
Source ↗Blue-green Algae
Historical · Jun 25, 2026
Providence, Providence County
Cunliff Lake (Roger Williams Park)
Source ↗