- Blue-green algae blooms are becoming more frequent on Lake Monona, potentially producing toxins harmful to people, pets, and wildlife.
Blue-green algae is already showing up on Lake Monona, and some people living near the North Shore say the blooms are appearing more often than they used to.
Cyanobacteria, commonly known as blue-green algae, can build up in bays and shallow water. When conditions line up, some blooms can produce toxins that make people, pets, and wildlife sick, according to WMTV.
Mari Anne Lilchfield, an 84-year-old Lake Monona homeowner, told the station she has tried to protect her backyard shoreline, but the algae and invasive buildup have become too much to handle alone…