A long-awaited scientific report commissioned by Polk County says farm pollution threatens the ability to drink clean water.

While nitrate levels may briefly drop immediately following rainfall, levels will often rise even higher with new upstream ...

ISU Extension will cover the planning, design and installation of drainage water quality improvement practices at the ...

It’s a first for the Central Iowa Water Works, which is worried about maintaining compliance with EPA nitrate standards.

As near-record nitrate levels strain water supply, Central Iowa Water Works asks residents to slash watering, and ...

WASHINGTON, Iowa (AP) — Stan Simmons still shakes his head in disbelief each time he inspects a water sample dipped from Lake Darling in 1999.

The 2025 Innovation at Work series illustrates why Iowa State University is a trusted partner. Through research, teaching, service and extension, Iowa State has a long history of providing proactive ...

Iowa Learning Farms will host a wetland field day on April 10, from 12-2 p.m. at the New Haven Mennonite Community Center near Osage.

The Des Moines Water Works lawsuit against three counties over high nitrate levels in rivers is symbolic of intensifying efforts by environmental groups to treat ...

Castellano spoke at a virtual field day with Iowa Learning Farms Dec. 19. “That allows farmers to better manage their field at a precision scale, to improve both productivity and environmental ...

In Iowa, the powerful Farm Bureau and other ag industry groups oppose regulations that limit fertilizer application or require farmers to clean up the pollution coming off their land.

Iowa backs an industry-friendly fix for farm pollution, despite weak results An investigation by APM Reports shows Iowa's new conservation tool isn't as effective as promised.