| Advisory for ROCKY ISLET BAY, Ontario 
 
 [Return to Ontario | Return to province list] ROCKY ISLET BAY Type: 
Cyanobacteria Bloom
 - 
Active
 Issued: 8/26/2025 Details:
 ROCKY ISLET BAY (Rainy River District) – 
BGA August 26 Cyanobacteria (Blue-Green Algae) present in recent samples.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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