Algae blooms wash away but could return, say experts - KTIV News 4 Sioux City IA: News, Weather and Sports

Algae blooms wash away but could return, say experts

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An algae problem in eastern Iowa lakes seems to have washed away as quickly as it developed. An algae problem in eastern Iowa lakes seems to have washed away as quickly as it developed.
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JOHNSON COUNTY (KWWL) -

An algae problem in eastern Iowa lakes seems to have washed away as quickly as it developed.

Following recent heavy rains, algae blooms became a problem in eastern Iowa lakes. That's because the rains washed fertilizer off fields and into water, which causes the larger collection of algae.

The good news is that much of the algae blooms have died, thanks to some cool weather following the rains.

"You're always going to have algae in a body of water," said Joe Wilkinson with the Iowa Department of Natural Resources. "It's a sign of health in a lot of bodies of water to have some degree of vegetation. But when we get the algae blooms, that's when there's way too much algae, way too much extremes in the way of heat and the nutrients coming in."

If there is another pattern of hot weather and heavy rain, he said, the algae blooms could become a problem again.

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