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Rick Langel discusses aquifers with students

Learning about Aquifers in Iowa

Posted on May 22nd, 2019

The Children’s Water Festival was held at the DMACC campus in Ankeny, Iowa on 5/9/19.  IGS geologist, Rick Langel, discussed aquifers, and how water moves through, them with the 2,000 kids in attendance.

Ditches Can Play Powerful Nutrient Reduction Role

Posted on May 1st, 2019

Iowa State University College of Agriculture and Life Sciences 05/01/19 Study Shows Humble Road Ditches Can Play Powerful Nutrient Reduction Role Iowa City, Iowa — New research suggests that water quality challenges in Iowa and nationally would be even greater if it weren’t for a little appreciated feature of the landscape: road ditches. “Road ditches […]

header image from Iowa Land and Sky program on IPTV

Iowa Land and Sky series on IPTV

Posted on April 3rd, 2019

The Iowa Public Television series, “Iowa Land and Sky” includes a segment on Iowa Geology, “An Introduction to Iowa Geology.”  It also includes an informative video that can be viewed at

Quantifying the long-term availability of water …

Posted on March 8th, 2019

The IGS provides modeling services to quantify the long-term availability of water from the Jordan aquifer in Linn and Johnson counties. read the complete article here

Are there valuable, un-mined minerals in Iowa?

Posted on January 7th, 2019

The Northeast Iowa Formation may contain minerals valued as high as $1 trillion.  The IGS is currently analyzing a core from the Elkader area which was drilled in the 1960s and plans to drill a second core to learn more.

Restored Oxbows As A Nutrient Reduction Practice

Posted on December 17th, 2018

Keith Schilling’s recent research regarding nutrient reduction via oxbows, published in the journal of Ecological Engineering at ““Nitrate-N load reduction measured in a Central Iowa restored oxbow” was featured in Science Trends, “Restored Oxbows As A Nutrient Reduction Practice In The Agricultural Midwest” at

“Steering the ship” of the Geological Survey

Posted on October 11th, 2018

“The protection and understanding of Iowa’s most vital natural resources are more or less held in the hands of the state geologist — a position that has been filled by a University of Iowa research engineer.”

Carbon Sequestration in Iowa

Posted on September 28th, 2018

One method of decreasing emissions otherwise sent into the atmosphere is to divert them from their source to long-term, underground storage.  Carbon sequestration is the act of capturing, transporting, and injecting CO2  into deep geologic storage. Can this be done in Iowa? The IGS recently assessed the Potential for Geologic Sequestration of CO2 in Iowa. […]

Schilling appointed State Geologist

Posted on August 2nd, 2018

Keith Schilling has been appointed State Geologist for Iowa.

2018 RAGBRAI Brochures

Posted on July 16th, 2018

RAGBRAI (the Register’s Annual Great Bicycle Ride Across Iowa) is an annual seven-day bicycle ride across the state of Iowa. This is the ride’s 46th year, and it is the oldest, largest, and longest bicycle touring event in the world. Continuing the tradition, the Iowa Geological Survey, with support from the Iowa Limestone Producers Association, […]