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.
Iowa Geological Survey’s expertise supports California wildfire prevention
Friday, October 18, 2024
Matthew Streeter, a soil scientist with the Iowa Geological Survey, has recently expanded his expertise to the wildfire-prone landscapes of Palo Cedro, California.
Join us for an Iowa Geological Survey Field Trip!
Friday, June 7, 2024
The Iowa Geological Survey will be leading a field trip in Muscatine County on Saturday, September 28.
Iowa needs a plan for using its precious groundwater
Thursday, February 22, 2024
A conversion of several factors, some natural and some self-imposed, is leading to recognition that the State of Iowa needs a plan to safeguard groundwater reserves in the future.
The IGS Geode - a look at the activities of the Iowa Geological Survey from July 2022 through June 2023
Friday, January 12, 2024
Please enjoy an online copy of our magazine, The IGS Geode, showcasing some of the Iowa Geological Survey’s activities during the past year.
Our latest issue of The IGS Geode
Friday, January 27, 2023
Please enjoy an online copy of our magazine, The IGS Geode, showcasing some of the Iowa Geological Survey’s activities during the past year.
New maps published as part of USGS STATEMAP program
Wednesday, September 14, 2022
Iowa Geological Survey staff recently completed 10 map products as part of the US Geological Survey STATEMAP program.
Latest issue of The IGS Geode published
Tuesday, January 18, 2022
Please enjoy an online copy of our magazine, The IGS Geode, showcasing some of the Iowa Geological Survey’s activities during the past year.
Popular Interest
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