Red Bud Isle

Larger “mats” of the goopy-green algae typically appear floating in creeks or along lakeshores between late May and early August.

For the fourth year in a row, city contractors will apply a treatment to Lady Bird Lake to try to fight the growth of toxic cyanobacteria. The modified clay targets the phosphorus that the algae feed on.

Keep an eye on pets at Red Bud Isle and Jessica Hollis Park on Lake Austin.

The city says next week it's expanding a water-treatment program in the hopes of tamping it down.

The level of bacteria is below EPA minimums, the city reported Friday. But it's still urging pet-owners to keep dogs away.

Cyanobacteria, or blue-green algae, is a potent neurotoxin. In 2019 it killed several dogs in Lady Bird Lake. It has since been detected in other lakes and, most recently, killed two dogs in Lake Travis last winter.

Remember last year, when we only had to worry about dog-killing algae?Well, on top of the pandemic, Austinites also still have to worry about dangerous…

City officials say two separate samples of algae near Red Bud Isle have tested positive for traces of a neurotoxin, but samples in other parts of Lady…