The Environmental Protection Agency (EPA) is only putting cancer warnings on 1.4% of the pesticides it designated as probable or likely to cause cancer. That's a grand total of 69 out of Silver Creek is contaminated with high levels of acetochlor, an herbicide commonly used to control weeds on corn and soybeans. The creek flows through the southern part of Carver County and drains A strong herbicide is coming your way. Dismiss Herbicide Ailanthus altissima Trees and Shrubs Online