A comparison of nitrate levels in the Des Moines and Raccoon rivers shows nitrate levels were elevated nearly 40 more days in 2025 than in 2024.
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 News Jul. 25, 2025 2:16 pm120d ago
A comparison of nitrate levels in the Des Moines and Raccoon rivers shows nitrate levels were elevated nearly 40 more days in 2025 than in 2024.
Olivia Cohen Environmental News Jul. 16, 2025 9:38 am129d ago
The environmental nonprofit Wings2Water has awarded $26,000 to local organizations whose projects aim to address water quality in the Mississippi River watershed.
State Government Jul. 14, 2025 11:23 am131d ago
Asked about protesters who attended a Thursday groundbreaking in Des Moines, demanding action on agricultural pollution and linking it to high cancer rates in the state, Iowa Gov. Kim Reynolds told reporters that “regulation is hardly ever the answer” and “is a killer in most instances — it takes out innovation.”
Cami Koons - Iowa Capital Dispatch
Agriculture Jul. 11, 2025 7:24 am134d ago
Tom Vilsack, former governor of Iowa and head of the U.S. Department of Agriculture for 12 years, said Thursday that Iowa leaders need to look toward “and” conversations rather than “or” discussions to solve some of the state’s biggest issues.
Environmental News Jul. 7, 2025 5:30 am138d ago
More than two decades after it was started, the river cleanup effort Iowa Project AWARE, is about to hit a major milestone: 1 million pounds of trash removed from Iowa’s rivers.
Environmental News Jun. 30, 2025 8:18 am145d ago
Nitrate levels in the Cedar River, which supplies drinking water for Cedar Rapids, have increased in recent days, but remain below the limit set by the U.S. Environmental Protection Agency.
By Erin Jordan, - correspondent
Iowa Water Quality Jun. 17, 2025 9:28 am158d ago
Residents of Lake Ridge Estates, a mobile home park just south of Iowa City, last week found a 24-pack of bottled water and a notice at their front doors. “Lake Ridge Inc. has high levels of manganese. DO NOT GIVE TAP WATER TO INFANTS UNDER 6 MONTHS OLD OR USE IT TO MAKE INFANT FORMULA.”
By Elise Plunk, - Louisiana Illuminator
Environmental News Jun. 16, 2025 8:39 am159d ago
The annual forecast for the “dead zone” in the Gulf of Mexico, which President Donald Trump has renamed the Gulf of America, predicts the section of water where oxygen is unnaturally low will be about average in size this year. What’s not average is the uncertainty over whether government-backed efforts to reduce its size will falter as the Trump administration scales back federal agencies involved in the process.
Maya Marchel Hoff, Gazette-Lee Des Moines Bureau
Campaigns & Elections Jun. 3, 2025 6:55 pm172d ago
The water quality concerns in were highlighted during a roundtable held by Democratic Iowa State Auditor Rob Sand’s gubernatorial campaign Tuesday at the Exira Public Library, where he spoke to local residents and officials.
Environmental News May. 29, 2025 7:20 am177d ago
The neighborhood in a wooded area north of Iowa City is expected to take steps to reduce the amount of chloride their water softeners discharge.
Environmental News May. 23, 2025 11:44 am183d ago
Backbone State Park in northeast Iowa was among four Iowa parks with high bacteria concentrations in beach water this week. Lake Macbride State Park and Pleasant Creek State Recreation Area are "OK for swimming," the state reported.
By MICHAEL PHILLIS - Associated Press
Iowa Water Quality May. 14, 2025 8:58 am192d ago
The Environmental Protection Agency said Wednesday that it plans to weaken limits on some so-called forever chemicals in drinking water that were finalized last year, while maintaining standards for two common ones.
Environmental News May. 6, 2025 7:46 am200d ago
A well that supplies drinking water to the east side of Waverly in northeast Iowa has elevated levels of two toxic chemicals that persist indefinitely and are newly regulated by the federal government.
Environmental News May. 1, 2025 9:13 am205d ago
In Cedar Rapids, the state department of agriculture plans to invest $177,625 as part of a planned $500,000 project by the Linn County Conservation Board to build a wetland and improve water quality near Morgan Creek Park.
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