On a lake, it can look like pea soup, a green mat or blue or green paint. It might also look purplish or pink. No matter the color, it’s cyanobacteria, and it's toxic. While typically a late summer ...

Benthic algae mats often appear attached to the floor of a waterway or floating in water in clumps. The bacteria were also reportedly seen earlier this week. Earlier this week, Clark County Public ...