All News

Water spews out of several white pipes that contain and protect water quality sensors

Iowa has a fever. We’re about to throw out the thermometer.

Thursday, April 23, 2026
Three Iowa farmers share their opinion on why the Iowa Water Quality Information System (IWQIS), a network of real-time sensors that measure nitrate and other indicators in streams across Iowa, is essential for Iowans and the state.
A smiling young boy pulls back his hair to reveal a tiny frog on his forehead

Muscatine Fifth Graders Explore Nature, Have Fun at LACMRERS

Tuesday, April 21, 2026
On April 14 and 15, IIHR—Hydroscience and Engineering hosted two days of learning for Muscatine fifth graders at the Lucille A. Carver Mississippi Riverside Environmental Research Station.
A road closed sign and orange barricade block off a flooded street

The challenges and rewards of flash flood forecasting

Monday, April 20, 2026
Humberto Vergara has long dreamed of bringing reliable flash flood forecasting to countries around the world. Now he and his team are beginning to make that a reality, thanks to a major grant from the World Meteorological Organization.
A man in shirt and tie sits on a bridge rail on a rural country road.

Longtime water program leader monitors Iowa nitrate levels as funding tightens

Monday, April 20, 2026
IIHR Director Larry Weber says that as nitrate levels continue to rise and pressure on water systems increases, he feels the responsibility of collecting and sharing water quality data weighs heavily on him in his role as a scientist and a public employee.
A view of the Iowa River as it flows through campus with the power plan in the background and trees along the banks

UI faculty receive grant to expand lead testing in Iowa water

Friday, April 17, 2026
University of Iowa and IIHR researcher David Cwiertny and his team are using a $124,000 grant from the Roy J. Carver Charitable Trust to expand “Get the Lead Out,” a statewide program that tests for lead in drinking water.
A man in waders stands in a creek behind white pipes that protect water quality sensors

It took a flood: How 2008 reshaped Iowa’s approach to water quality

Thursday, April 16, 2026
The devastating Iowa Flood of 2008 did more than damage homes and infrastructure — it fundamentally changed how Iowa approaches water, sparking a wave of conservation efforts, research and long-term monitoring that continues to shape local programs today.
Water quality sensors sheathed in protective white tubes in an iowa stream

Geologists and ecologists should join environmental discussions

Thursday, April 16, 2026
Geologists, ecologists, and many other experts understand our natural systems and how they operate. We need to bring their understanding into discussions about water quality and other environmental concerns to achieve better outcomes. 
Beautiful view of an Iowa river with a bridge and trees along the banks

Can heavy rain increase nitrate levels in our water sources? What experts say

Thursday, April 16, 2026
With recent heavy rain coming down in Iowa and Des Moines' nitrate removal facility at high usage for this year, some may wonder if the two are connected.
Danielle Land

Omaha is home to a massive Superfund site. Most kids living there aren’t tested for lead.

Wednesday, April 15, 2026
Omaha public health officials say that not enough kids there are getting tested for lead, given Omaha’s lead problems, which include being home to the largest residential lead cleanup site in the country. Danielle Land, a postdoctoral scholar in public health at the University of Iowa and IIHR alumna, says that understanding the prevalence of lead is complicated.
Water quality sensors sheathed in protective white tubes in an iowa stream

Environmental risks at play in Iowa’s cancer crisis

Tuesday, April 14, 2026
Iowa’s second-highest cancer rate in the nation has made scientific water quality data more important than ever. The Iowa Legislature diverted funds for the Iowa Water Quality Information System in 2023. While county governments and other groups have helped fund the system the last few years, IIHR—Hydroscience and Engineering Director Larry Weber is asking lawmakers to reappropriate funds before the end of this year’s session.