Memorial Weekend swimmers cautioned to beware of toxic blue-green algae


As we enter Memorial Day weekend, the Illinois Environmental Protection Agency and Department of Public Health are reminding residents to be cautious if they are planning activities on Illinois lakes and rivers, now and throughout the summer.

Algae blooms have been found in several lakes in northern Illinois. Only low levels of toxins have been detected, but this can change.

Blue-green algae (also known as cyanobacteria) are microscopic organisms that naturally occur in lakes and streams. Rapid growth of algae is referred to as a “bloom.” It can produce toxic chemicals that cause sickness or other health effects in people and pets, depending on the amount and type of exposure. 
Sensitive individuals, including young children, the elderly, and people with compromised immune systems are most at risk. Individuals who have direct skin contact, swallow contaminated water, or inhale water droplets in the air have the potential to experience adverse health effects attributable to algal toxins. Symptoms of exposure to algal toxins include rashes, hives, diarrhea, vomiting, coughing, or wheezing. More-severe symptoms may result from longer or greater amounts of exposure.
People who plan to recreate in or on Illinois lakes or rivers this summer, and their pets, are advised to avoid contact with water that:

•    looks like spilled, green or blue-green paint
•    has surface scums, mats, or films
•    is discolored or has green-colored streaks 
•    has greenish globs suspended in the water below the surface
If you or your pet comes into contact with water you suspect may have a bloom of blue-green algae, rinse off with clean, fresh water as soon as possible. Likewise, if you plan to eat fish you catch from water that has a bloom of blue-green algae, rinse all fish parts well in tap water before cooking and eating. 

Activities near, but not in or on a lake or river, such as camping, picnicking, biking, and hiking are not affected. With all activities, wash your hands before eating if you have had contact with lake water or shore debris.
If you are concerned you have symptoms that are a result of exposure to algal toxins, contact your health care provider or call the Illinois Poison Center at 1-800-222-1222. If your pet experiences symptoms that may be a result of exposure, contact your veterinarian.

Copyright 2019 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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