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  • 21-054 Bennington Lake closed after toxic algae bloom discovered

    WALLA WALLA, WA – The Walla Walla Department of Community Health (DCH) was notified by the Department of Ecology that cyanobacteria, otherwise known as blue-green algae, was discovered on Bennington Lake in Walla Walla. Cyanobacteria can be harmful to people and fatal to animals. Due to toxicity levels, the U.S. Army Corp of Engineers, Walla Walla District, in coordination with DCH, has closed the lake to the public.