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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, […]

Jason Vogelgesang - geophysics at Iowa Falls

Hydrogeologists at Work

Posted on June 29th, 2018

IGS Hydrogeologists, Nathan Holt and Jason Vogelgesang, have been doing some geophysics and pump test work for the city of Iowa Falls in order to evaluate the best location(s) for a new bedrock well.

Paul Liu at Nanjing Institute

Winneshiek Project presentations in China

Posted on June 11th, 2018

IGS Geologist, Paul Liu, recently visited China and made presentations on the Winneshiek Project at Nanjing Institute of Geology & Paleontology, Academy of China and Anhui University of Science & Technology.