Welcome!
As state geologist and director of the Iowa Geological Survey, it is my pleasure to welcome you to our website. It’s a great repository for all things related to Iowa geology and water resources, and I’m confident you’ll find a lot of interesting information to browse through. You’ll see that the site is organized around four main pillars of information exchange: research, services, popular interest, and data and resources.
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Recent News
IGS Solves the Mystery of West Lake Okoboji
Monday, July 13, 2026
There’s a mystery lurking beneath the waters of West Lake Okoboji, one that has puzzled researchers and area residents for decades: Why is the lake so much deeper than any other lake in Iowa?
Recent Research Findings by Iowa Geological Survey Regarding Flood-control Ponds
Wednesday, January 28, 2026
Read about recent completed research by the Iowa Geological Survey finds gully erosion filling up flood-control ponds faster than expected.
The IGS Geode - a look at the activities of the Iowa Geological Survey from July 2024 through June 2025
Wednesday, January 14, 2026
We are pleased to share with you our magazine, The IGS Geode, showcasing some of the Iowa Geological Survey’s activities during the past year.
Popular Interest
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