Public Notice – 2026 Pesticide Use

The County of Lanark and participating municipalities intend to utilize Wagar & Corput Weed Control Inc. to control noxious wild parsnip along rural roadsides within the County of Lanark.

The spraying will occur on pre-selected rural municipal and county roads within the County of Lanark.

The contractor will be using the following pesticides registered under the Pest Control Products Act (Canada):

• ClearView Herbicide (Reg #29752), containing the active ingredients Metsulfuron-methyl and Aminopyralid (present as potassium salt)
• Gateway Adjuvant (Reg #31470), containing the active ingredients Paraffinic Oil and Alkoxylated alcohol non-ionic surfactant

This pesticide use falls under the exception to the cosmetic pesticide ban mentioned in subsection 7.1 (2) of the Pesticides Act for uses related to the promotion of public health or safety.

Commencing: June 1 through July 31, 2026 (weather permitting).

For further information contact:

• Wagar & Corput Weed Control Inc. – 613-938-2117 (collect calls accepted)
• Lanark County Public Works – 613-267-1353 or Toll Free 1-888-952-6275
• Municipality of Mississippi Mills – 613-256-2064
• Township of Montague – 613-283-7478
• Township of Drummond/North Elmsley – 613-267-6500
• Township of Lanark Highlands – 613-259-2398
• Tay Valley Township – 613-267-5353

For information regarding boom and spot spraying of noxious wild parsnip, including details of the specific road sections and how they will be treated, visit the websites of the County of Lanark and participating municipalities. In Mississippi Mills, visit our Vegetation Management page.