WEST UNION, Iowa -- Livestock producers and environmentalists disagreed last week on what the passing score should be on the master matrix during a statewide public hearing. Several county supervisors ...

Loopholes in state law let hog confinement operations open in some surprising rural areas of Iowa, and there's very little people living nearby can do. It all comes down to the Master Matrix. All but ...

Concentrated animal feeding operations (CAFOs) are damaging our environment, including water quality, throughout Iowa. Over the last 15 years or so, efforts to strengthen the master matrix continue.

MARENGO - Gary Netser acknowledged the Iowa County Board of Supervisors’ decision to pass a construction evaulation resolution for larger livestock operations, allowing the county to use the state’s ...

DES MOINES | The Iowa Department of Natural Resources reports 88 of 99 Iowa counties plan to evaluate construction permit applications and proposed locations for animal confinements by using the ...

Following our well attended public hearing and denial of the application for Grey Owl II Inc. manure management matrix, to which neither the producer nor the compliance officer of the application ...