Federal scientists released their annual forecast for Lake Erie’s harmful algal blooms on June 26, 2025, and they expect a mild to moderate^[1] season. However, anyone who comes in contact with toxic algae can face health risks. And 2014, when toxins from algae blooms contaminated the water supply^[2] in Toledo, Ohio, was a moderate year, too.

We asked Gregory J. Dick^[3], who leads the Cooperative Institute for Great Lakes...

Federal scientists released their annual forecast for Lake Erie’s harmful algal blooms on June 26, 2025, and they expect a mild to moderate^[1] season. However, anyone who comes in contact with toxic algae can face health risks. And 2014, when toxins from algae blooms contaminated the water supply^[2] in Toledo, Ohio, was a moderate year, too.

We asked Gregory J. Dick^[3], who leads the Cooperative Institute for Great Lakes...