Welcome

  • IIHR—Hydroscience & Engineering

    For more than a century,
    leading the world in hydroscience research and education

    About Us

IIHR—Hydroscience & Engineering is an internationally-renowned laboratory where researchers are solving some of our world’s greatest fluids-related challenges.

News and Features

Aerial photo of a flooded Iowa town

IIHR’s Gabriele Villarini and Wei Zhang (now at Utah State) have connected rising levels of greenhouse gases in the atmosphere with Iowa’s more frequent flooding.

A woman uses a laboratory glove box

Iowa Flood Center Director Witold Krajewski has been elected to the National Academy of Engineering (NAE), one of the highest honors conferred in the field of engineering.

More to Explore

A group of staff and students outside the main entrance to IIHR

The Iowa Flood Center is helping build a more flood-resilient Iowa with science-based information and research.

A cross-sectional image of a watershed

This watershed infographic illustrates the breadth and depth of IIHR’s work, which spans the entire hydrologic cycle, from precipitation to groundwater and everything in between. Check out an interactive version!

A man and a woman in hard hats work with the IGS drill rig.

The Iowa Geological Survey provides important geologic information on the state’s resources, environmental protection, and economic development.

A young man in white lab coat and goggles works in a lab

The Iowa Superfund Research Program (ISRP) is a global leader in the study of polychlorinated biphenyls, or PCBs, which have dangerous effects on human health.

Water pours out of an agricultural tile into Clear Creek

The Iowa Water Quality Information System (IWQIS) allows access to real-time water-quality data and information.

Blue water with masses of bubbles flows through a clear plexiglass model of a stormwater conveyance system

IIHR serves clients with practical experience and in-house modeling expertise (physical and computational), as well as field data collection.

  • Hunter Rouse Iowa Flood Information System Cover of IIHR Currents Iowa Geological Survey
  • IIHR's founding director Floyd Nagler Check out our webcams vintage photo of student and flume LinkedIn icon University of Iowa logo
  • IIHR Engineering Services Iowa Watershed Approach University of Iowa Fluids Lab