THE NITRATE ISSUE. POLK COUNTY FIRST COMMISSIONED THE REPORT BACK IN 2023. IT WAS SUPPOSED TO BE RELEASED EARLIER THIS YEAR, BUT IT HASN’T UP UNTIL THIS POINT. THE IOWA CAPITAL DISPATCH OBTAINED ...

This study explored the response of NO3–-N bioreduction to Cr(VI) stress, including reduction efficiency and the pathways involved (denitrification and dissimilatory nitrate reduction to ammonium ...

In a corn field within St. Peter’s 4,500-acre Drinking Water Supply Management Area (DWSMA), three water and sediment control basins slow runoff bound for a small pond that feeds the ...