Water Quality

Democrats in the Iowa House of Representatives proposed a water quality plan Thursday that calls for more financial assistance and incentives for farmers to adopt practices that reduce water pollution.

Former University of Iowa professor and Democrat Chris Jones announced he's running for Iowa secretary of agriculture. He will face a June primary against Marshalltown-area farmer, Wade Dooley.

The Linn County Board of Supervisors has approved rezoning that supports NextEra Energy's effort to recommission the Duane Arnold nuclear power plant in Palo. The project still needs approval from multiple state and federal authorities, but county supervisors say the rezoning gives Linn County residents a seat at the table.

Elevated nitrate levels in the Des Moines and Raccoon rivers prompted Central Iowa Water Works to start up its nitrate removal system this month. A network of water quality sensors shows a similar uptick in other streams and rivers across state.

IPR's journalists rehash their most consequential moments of the last year — from raucous town halls to the arrest of Des Moines schools' superintendent. Assistant news director Grant Gerlock and reporters Katarina Sostaric, Natalie Krebs, James Kelley and Rachel Cramer bring us back through the biggest stories of 2025 and share what they'll be watching in the year to come.

Iowans share how they are trying to reduce pollutants in waterways on this archive episode.

Five Iowans told stories with the theme water, the current of life, in front of an audience at Trumpet Blossom Cafe in Iowa City. Host Charity Nebbe was emcee for the event hosted by Investigate Midwest, an independent nonprofit newsroom that reports about agriculture with data-driven investigative journalism. Hear from storytellers Kylah Hedding, Larry Weber, Katie Roche, Parker Field and Judith Joyce.

The central Iowa community of Perry officially opened a $30 million treatment plant that helps meet the state’s goals to reduce pollution from wastewater. City officials said it also increases their capacity to attract new companies and accommodate residential growth.

A fertilizer spill killed hundreds of thousands of fish in southwest Iowa last year. Now, a group of locals are building a network of citizen scientists and advocates for clean water.

Roughly 25% to 50% of the total commercial nitrogen applied to fields across the state occurs in the fall. Waiting for cooler soil temperatures helps prevent nitrates from flushing into streams and rivers.