Large animal feeding operations on the rise
Several states see shifts in animal production since 2011

The number of new concentrated animal feeding operations (CAFOs) have increased across the U.S. over the past six years - bringing the total operations just under 20,000, according to data from the Environmental Protection Agency. From 2011 to 2017, the United States saw more than 1,400 new large-scale concentrated animal feeding operations (CAFOs) established. That’s up 7.6 percent. Here's a look at the issue in maps and charts.

In Wisconsin’s karst area, even good farming may pollute groundwater

Two new studies of private well water in Kewaunee County, Wis., have linked contamination to fertilizer, livestock manure and human waste — laying bare a situation that county conservationist Andy Wallander, after 25 years on the job, can sum up in a sentence.

DNR vacancies hinder CAFO enforcement

Water-quality advocates say Wisconsin's Department of Natural Resources’ regulation of large farms, known as concentrated animal feeding operations or CAFOs, is too lax. DNR acknowledges low staffing levels have strained enforcement efforts, and described the program.

Disputed expansion of Wisconsin dairy watched for statewide impact

In a Green Bay hearing beginning Tuesday, a controversial attempt to expand a dairy farm set to become the fifth largest in Wisconsin will be challenged in a case that could have a far-reaching impact on how Wisconsin regulates industrial-size livestock farms.