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Close up of testing card.

Citizen Science: Water Monitoring

Posted on January 8th, 2018

IIHR’s Chris Jones is recruiting public volunteers to participate in a study which uses a smartphone app to detect nitrate levels in local watersheds using their phone’s camera.

A screen shot of the front page of IIHR's new shop website showing a large, warehouse-sized river model.

IIHR Engineering Services: Problems Solved Here

Posted on January 1st, 2018

Visit the IIHR shop’s new website, which shines a spotlight on the institute’s engineering services division and its remarkable expertise and resources.

YouTube screen grab of James Buchholz.

Research Summaries in 90 Seconds or Less!

Posted on September 15th, 2017

Four members of IIHR—Hydroscience & Engineering’s research staff participated in the Communicating Ideas Workshop and recorded short video clips explaining their research.

Aerial shot of Morgan Creek Oxbow.

Oxbow Restorations Benefit Habitat, Ecosystem

Posted on June 9th, 2017

Oxbow restorations provide wildlife habitat for creatures that like these quiet backwaters, and they also process nutrients. And they’re surprisingly affordable.

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.

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