Blue-Green Algae Bloom Detected in Conestogo, Brussels, Lough Neagh Ponds

Blue-green algae blooms have been detected in multiple water bodies across different regions, raising health and environmental concerns. The Grand River Conservation Authority (GRCA) reported a suspected small blue-green algae bloom at Conestogo Lake, following an earlier bloom at Belwood Lake, both in Wellington County, advising the public to avoid swimming, drinking, or allowing pets near affected waters due to potential toxicity. Similar concerns are present at other GRCA-managed lakes such as Guelph Lake and Woolwich reservoirs, with permanent signage warning visitors. In Brussels, several ponds have also been found to contain toxic blue-green algae, prompting local authorities to install warning signs and urge residents to avoid contact with the water to prevent health risks such as skin irritation and neurological effects. Meanwhile, the Lough Neagh Partnership has launched a series of short films aimed at educating the public about blue-green algae, habitat loss, and nutrient management, highlighting ongoing collaborative efforts to address these environmental challenges. Overall, these incidents underscore the impact of warm weather and nutrient runoff in promoting algae growth that threatens ecosystems, public health, and local economies reliant on recreational water use.