Residents Warned About Algal Blooms In Illinois Waterways This Summer

SPRINGFIELD —  The Illinois EPA and health department are reminding people to use caution in Illinois waterways this summer when harmful algal blooms.  Blue-green algae are microscopic organisms that naturally occur in lakes, streams, and ponds.  Rapid and expansive growth of blue-green algae is referred to as a bloom.  Some blooms produce toxic chemicals that can cause sickness or other health effects in exposed people and pets.