PESTICIDE DISPOSAL DAY September 16th Lake County Weed Control Office 39673 County Facility Lane Polson, MT 59860 First 200 pounds free Please register online agr.mt.gov Call (406)883-7330 if you have questions PESTICIDE DISPOSAL DAY September 16th Lake County Weed Control Office 39673 County Facility Lane Polson, MT 59860 First 200 pounds free Please register online agr.mt.gov Call (406)883-7330 if you have questions