Landmark Services Cooperative also agreed to pay more than $4,000 in fines.
Two civil actions were filed in Rock County Circuit Court last October. One said a state employee saw Landmark employees rinsing out five large tanks at their facility, then spreading the water on a field.
It was later found that a significant quantity of pesticides had spilled without being diluted, contaminating the soil. An illegal herbicide was found with soil testing.
The other suit said a Landmark employee applied a pesticide to a field before there was any corn growth, instead of on already formed corn.
The pesticide drifted onto a neighbor's property, killing all the owner's flowering shrubs.
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