Toxic algae bloom discovered on Bennington Lake
September 30, 2021
WALLA WALLA—Walla Walla Department of Community Health (DCH) notified the Department of Ecology that cyanobacteria, otherwise known as blue-green algae, was discovered on Bennington Lake Walla Walla. Cyanobacteria can be harmful to people and fatal to animals. Due to toxicity levels, Walla Walla United States Army Corp of Engineers, in coordination with DCH, has closed the lake to the public.
The Corps of Engineers is working closely with the DCH to monitor the situation. DCH has collected water samples which are being tested at the King County Environmental Laboratory. Updates will be pr...