State scientists are testing the water for a toxic blue-green algae bloom at Twin Brook after tests showed 2 dogs had algae-related toxicity after swimming there Aug. 21.

"Lake Erie receives a lot of attention for its problems with HABS, but Ohio’s inland lakes and waterways share the increasingly dangerous problem and its impacts on health as a source of drinking water and recreation, and the potential loss of millions of dollars in tourism and lakeside property values."

Cities around Canada are urging swimmers to take caution as toxic blue-green algae warnings are in effect throughout the nation. This algae, if in contact with humans and pets, can be extremely harmful.

High levels of toxic blue-green algae, which has thrived in this summer's extreme hot weather, is making it more difficult to secure clean drinking water. ...

The beach at a state park in upstate New York has been closed because of a toxic algae bloom.