Science and Health

CDC: Drinking Water Contaminated By Algal Toxins Made People Sick

The Centers for Disease Control and Prevention said recent confirmed cases of algal toxins in municipal drinking water made people sick.

CDC: Drinking Water Contaminated By Algal Toxins Made People Sick
Getty Images / Aaron P. Bernstein
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For the first time in reported history, the Centers for Disease Control and Prevention confirmed algal toxins in municipal drinking water made people sick.

The CDC said two separate outbreaks in Ohio could be traced back to drinking water from Lake Erie. In one of those incidents, 110 people got sick, and 400,000 people were forced to avoid drinking tap water.

Harmful algal blooms often happen when fertilizer runoff enters warm, still bodies of water. Scientists think the warming climate might be making the problem worse, but the CDC says it's too early to know for sure.

Florida's Waters Are Dripping With Disgusting Algae, And It Smells
Florida's Waters Are Dripping With Disgusting Algae, And It Smells

Florida's Waters Are Dripping With Disgusting Algae, And It Smells

Four counties in southern Florida are under a state of emergency as blue-green algae has spread through the area's bodies of water.

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In the meantime, researchers at the National Oceanic and Atmospheric Administration have deployed a few new tools to help track bloom growth. A new weather satellite can detect much smaller algal blooms than before.

And underwater, NOAA launched robotic laboratories at the bottom of Lake Erie to test toxin levels. They can deliver results about six times faster than humans.