Colorado Springs closed Prospect Lake in Memorial Park due to blue-green algae toxin detection.

Colorado Springs closed Prospect Lake in Memorial Park immediately due to the presumed return of blue-green algae. A visual inspection and water sample test confirmed the presence of microcystin toxin, produced by cyanobacteria. The lake will remain closed until testing indicates safe recreational water quality levels. The city plans to perform weekly testing, with at least a two-week closure required.

July 25, 2024
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