The goal of this protect is to protect the water quality of the Mississippi River at Winona, MN through the installation of a downtown Winona parking lot rain garden.
The karst topography of southeast Minnesota increases the possibility of drinking water supplies becoming contaminated with high concentrations of nitrates. To address this risk in the region, there needs to be an increase in the use of nitrogen best management practices and agronomic rates of nitrogen need to be fine-tuned to balance production with environmental degradation. In addition, potential point sources of nutrient contamination in groundwater need to be addressed wherever possible. This project will have three components that will address these needs.
This project will provide cost-share funds to landowners in vulnerable groundwater areas for the incorporation of cover crops in their crop rotation and to provide education related to nitrogen BMPs through field trials and Nutrient Management Plans. An anticipated 100 producers in highly vulnerable areas, will plant 3,000 acres of cover crops resulting in preventing potentially 19,800 pounds of nitrate from leaching into groundwater.
