Some, like the blooms of cyanobacteria in Lake Erie and Green Bay, are toxic, posing a threat to drinking water supplies. Others, like the blooms of bottom-dwelling algae along Lake Michigan’s ...

Water always flows from higher terrain to lower elevations, but getting from high to low is not an easy (or always direct) ...

An analysis of water samples taken from Lake Erie, the district’s only water source, showed that levels of a toxin released by algal blooms had spiked. In five years of voluntarily testing for the ...

New York State Rep. Pat Burke recently introduced the Great Lakes and State Waters Bill of Rights, which would recognize ...

Dübendorf, 03.04.2025 - To predict toxic algal blooms, researchers from Eawag recommend a combination of species identification and chemical measurements. Now, a new study confirms that there is no ...

Great Lakes water levels are dropping sharply, falling below record highs set in 2019 and 2020. Evaporation and precipitation ...

Rising temperatures and changing environmental conditions in the Great Lakes are contributing to harmful algal blooms, and ...