Wisconsin Department of Agriculture, Trade and Consumer Protection

serving the state of wisconsin since 1839

DATCP works to assure safe food, healthy people, animals, plants and environment, vibrant agriculture and fair business practices.

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  • National Groundwater Awareness Week
    Excavation and building demolition at the Royster-Clark fertilizer plant in Madison removed contaminated soil to prevent further groundwater contamination.  Soil removed from the Royster-Clark site will be land-spread in Dane County, reducing the need for farmer-owners to fertilize those fields this spring.
  • National Groundwater Awareness Week
    Normal moving and handling of fertilizers, including from overhead conveyors, led to contamination at the Royster-Clark site.
  • National Groundwater Awareness Week
    Fertilizer piled next to walls actually came out of the walls when they were demolished at the Royster-Clark plant. It could not be recovered for sale, but it will be land-spread on farm fields.
  • National Groundwater Awareness Week
    A fire in 2011 at the Adell Cooperative Union destroyed buildings and damaged tanks containing pesticides and fertilizer, mixing contaminants with water used to extinguish the blaze. That water both ran off into ditches and soaked into the soil to threaten groundwater.
  • National Groundwater Awareness Week
    Cleanup at the Adell Cooperative Union after a fire included containing the contaminated runoff and pumping it into tankers, and excavating contaminated soil for disposal.
  • National Groundwater Awareness Week
    An investigation at an agricultural chemical storage facility, now closed, revealed buried pesticide containers that had leaked into groundwater. We oversaw cleanup that include excavation below the water table and shipment of contaminated soil and water to a hazardous waste incinerator.
  • National Groundwater Awareness Week
    The yellow substance in this photo is groundwater contaminated with leaked pesticide at a closed agricultural chemical storage facility.
  • National Groundwater Awareness Week
    What looks like a dry streambed is actually the path that a pesticide spill took when a truck carrying pesticide containers rolled down an embankment near Rock Springs in 2011. The soil was excavated to remove the contamination.
  • National Groundwater Awareness Week
    After a vandal dumped a whole container of pesticide around a tree, the chemical ran downhill, killing grass and pooling. We oversaw a cleanup that required excavating the contaminated soil before the pesticide could soak into the groundwater below.
  • National Groundwater Awareness Week
    We install monitoring wells around farm fields to watch for groundwater contamination in vulnerable areas of the state. Here the well is visible near the center of the photo.
  • National Groundwater Awareness Week
    A monitoring well next to an irrigated field will alert us if chemical contamination of groundwater occurs.
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