Investigation of Pesticides in Groundwater at Three Irrigated Sites near Outlook, Saskatchewan

Abstract During 1987 and 1988, the pesticides 2,4-D, diclofop-methyl, dicamba, MCPA, triallate and bromoxynil were detected in shallow groundwaters beneath three irrigated research sites in the Outlook Irrigation District of Saskatchewan. All of the pesticide detections were below the limits set by the Canadian Drinking Water Quality Guidelines. Meteorological and hydrogeological conditions are generally not conducive to …