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All News and Pages Related to "Iowa groundwater"

The IGS Rock Library

Posted on June 17th, 2015

About 470 million years ago, a meteor as big as a city block hurtled through the Earth’s atmosphere and struck what is now northeastern Iowa. The enormous impact shattered the bedrock and blasted everything outward. Shallow, brackish seawater rushed into the crater, scooping up the materials that had just blown out and sweeping in marine […]

LACMRERS Director Doug Schnoebelen.

Studying Arsenic in Iowa’s Groundwater

Posted on August 2nd, 2011

IIHR Research Scientist Doug Schnoebelen is part of a team studying the presence of arsenic in private wells in Cerro Gordo County, where the levels are particularly high.

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