Nitrates are a crucial nutrient for crops and are present in fertilizers. Still, too much can leach into groundwater and ...

The connection between what happens on the surface and what happens underneath was explained in a recent webinar focusing on ...

Soluble rocks, such as limestone and dolomite, can create karst formations, including caves, gullies, and troughs, due to ...

Some environmental groups say nitrate contamination has reached the point of a public health emergency, and they want the federal government to step in. Corn grows on a farm in rural Winona County. A ...

DECORAH - Though it provides little solace for northeast Iowans worried about the impact of livestock confinements in areas of karst topography, attendees at a daylong forum on the subject at Luther ...

WINONA COUNTY, Minn. (WKBT) -- The EPA is urging state agencies to address contaminated drinking water in southeast Minnesota. The EPA is responding to 11 advocacy groups who petitioned the agency ...