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Photo of Ricardo Mantilla Gutierrez on a bridge.

Predicting Floods with Computer Simulations

Posted on June 8th, 2017

IIHR’s Ricardo Mantilla is the principal architect of the Iowa Flood Center’s flood prediction model, HLM-Async.

IGS soil scientist Matthew Streeter is part of a new study to understand the nutrient reduction benefits of roadside ditches.

Water-quality Project Underway in Buchanan County

Posted on November 22nd, 2016

A new project funded by the Iowa Nutrient Research Center aims to understand the nutrient reduction benefits of roadside ditches.

Harvesting soybeans. Photo by J. Laughlin.

Corn is King, but Soybeans Have an Impact Too

Posted on September 16th, 2016

Recent work published by IIHR researchers provides more evidence that soybean has been a key contributing factor in nitrate levels observed over the past 50 years.

Agricultural tile emptying into an Iowa stream.

Surprising Phosphorus Trends

Posted on July 29th, 2016

A new study shows that total phosphorus concentrations have significantly decreased at a dozen sites on Iowa’s rivers.

Marian Muste in the self-cleaning culvert.

‘Squeaky Clean’ Culvert Design Wins Award

Posted on May 23rd, 2016

Marian Muste’s innovative self-cleaning culvert design has been honored by the American Association of State Highway and Transportation Officials Research Advisory Council.

Headshot of Gregory LeFevre.

What’s in the Water?

Posted on April 11th, 2016

Gregory LeFevre has a passion for engineered and natural systems (ENS), which use natural functions of plants, soil and organisms to help clean waterways.

The Wave Basin.

U.S. DOE Wave Energy Prize Comes to IIHR

Posted on January 29th, 2016

The IIHR Wave Basin at the University of Iowa is one of just five testing facilities selected for the U.S. Department of Energy’s Wave Energy Prize competition.

A view of the Ottumwa treatment basins.

Safe Drinking Water for Iowans

Posted on September 15th, 2015

Scientists at IIHR are working with municipal water supply operators in several Iowa cities to help bring safe and reliable supplies of drinking water to those communities.

A student poses with Herky.

A Cross-Cultural Perspective on Flooding

Posted on July 21st, 2015

Undergraduate researcher Yibing Su traveled halfway around the world to study water resources, right after a major flood struck her hometown of Beijing.

People holding bottles.

Studying Arsenic in Cerro Gordo County Groundwater

Posted on May 28th, 2015

Five years later, a multi-institutional research study determines the source of arsenic in Cerro Gordo County private wells.

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