Environmental groups penned a letter to the U.S. Environmental Protection Agency urging the federal agency to maintain its previously rescinded ruling that seven segments of Iowa rivers were impaired due to nitrate concentrations.
News from our journalists and contributors about Iowa water quality, trends, conservation, watershed, stream nitrate levels and investigative journalism from The Gazette.
By Cami Koons, - Iowa Capital Dispatch Environmental News Oct. 17, 2025 7:15 am83d ago
Environmental groups penned a letter to the U.S. Environmental Protection Agency urging the federal agency to maintain its previously rescinded ruling that seven segments of Iowa rivers were impaired due to nitrate concentrations.
Grace Nieland Local Government Oct. 7, 2025 2:11 pm93d ago
Linn County will partner with University of Iowa researchers to learn more about water quality and pollution sites within the county through three studies that will act as the “backbone” of the county’s comprehensive water quality management and mitigation plan.
Environmental News Oct. 6, 2025 7:25 am94d ago
The quality of Iowa’s water is a top environmental concern in Iowa, and for many Iowans, there can be a feeling of helplessness. That’s where Heather Wilson comes in. Her work at the Izaak Walton League strives to remove the “barriers of entry” to make water quality testing and advocacy more accessible to the public.
Cami Koons - Iowa Capital Dispatch
Environmental News Sep. 21, 2025 3:20 pm109d ago
It’s the first of several that the Nishnabotna Water Defenders, a nonprofit advocating for water quality in southwest Iowa, plans to install.
Environmental News Sep. 18, 2025 7:36 am112d ago
Time has run out on a short-term plan to continue funding a network of sensors that monitors the water quality in Iowa’s rivers and streams. Unless new funding can be secured, dozens of sensors will be taken offline next year, eliminating the ability to measure nitrate and phosphorus to see if conservation practices are working.
Cami Koons - Iowa Capital Dispatch
Agriculture Sep. 22, 2025 3:31 pm108d ago
The Nature Conservancy has studied this form of virtual fencing with cattle at its preserve in Muscatine County for the past three years.
Environmental News Sep. 16, 2025 5:43 pm114d ago
To a gathering of residents in Dubuque this week, David Cwiertny, director of the Center for Health Effects of Environmental Contamination at the University of Iowa, said there is “no such thing as risk-free water.”
Iowa Water Quality Sep. 15, 2025 3:11 pm115d ago
Two-thirds of Iowa’s state park beaches faced “swimming not recommended” advisories at least once this summer, with heavy rains fueling higher bacteria levels that pushed advisories to their highest rate in a decade, according to state monitoring officials and data.
Environmental News Sep. 2, 2025 9:33 am128d ago
The Iowa Department of Ag announced this week a pilot project that will provide $3 million to encourage farmers and landowners in the watersheds upstream from the Des Moines and Cedar Rapids metro areas to add perennial buffers to fields along streams.
By Elise Plunk, - Louisiana Illuminator
Iowa Water Quality Aug. 25, 2025 5:30 am136d ago
Now, after its 40th year and 38th hypoxia cruise, The Pelican’s annually planned journey to measure the “dead zone” in the Gulf of Mexico faces challenges to stay afloat, potentially undermining decades of research and future plans to get the dead zone under control.
Local Government Aug. 25, 2025 7:30 am136d ago
Cedar Rapids will use settlement funds from a class action lawsuit to pursue the design and potential construction of an aquifer storage and recovery (ASR) well to hold drinking water in deep storage.
Environmental News Aug. 19, 2025 7:37 am142d ago
An environmental group that advocates for clean water in northeast Iowa has filed a motion to intervene in a lawsuit brought by the state against a Postville meatpacking over its repeated wastewater pollution violations.
Environmental News Aug. 18, 2025 3:02 pm143d ago
Less than a year after the U.S. Environmental Protection Agency added segments of five Iowa rivers to the impaired waters list for nitrate, the same agency — now operating under the Trump administration — has rescinded the decision.
Environmental News Aug. 14, 2025 7:50 am147d ago
The Iowa Soybean Association and the U.S. Fish and Wildlife Service have completed about 50 oxbows across the state through a partnership. That’s important because oxbows can prevent flooding, improve water quality and provide habitat for animals.
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