Jump to Content
A field of green grass.

Photo: jeka84 via Shutterstock


Upholding municipalities’ right to restrict use of pesticides

June 28, 2001

Supreme Court of Canada says municipal governments can restrict pesticides use to protect citizens and environment.

The case involved a municipal bylaw passed in 1991 by the Town of Hudson, Quebec, which tightly restricted the use of pesticides for non-essential (or cosmetic) uses within its boundaries. Chemlawn and Spraytech, both companies that routinely apply pesticides, had lost challenges to the bylaw in two Quebec courts before appealing to the Supreme Court to strike down the bylaw. The companies argued that municipalities did not have the power to control local pesticide use.

On June 28, 2001, the Supreme Court of Canada upheld the power of municipal governments to restrict the use of pesticides within their communities. (Canada Ltee [Spraytech, Societe d’arrosage] et al. v. Town of Hudson.)

Why was Ecojustice involved?

On behalf of the Federation of Canadian Municipalities, World Wildlife Fund, and Nature-Action Quebec, Ecojustice successfully intervened in the precedent-setting case in support of local pesticide reduction initiatives.

On behalf of the groups, Ecojustice successfully argued that municipalities have an important role to play in protecting the health of residents and the environment, and that pesticide reduction measures are within the bounds of their local powers.

The decision reinforced the ability of municipal governments to protect both the health of their citizens and their local environment.

The victory in the Hudson case is having far reaching effects for municipalities across Canada. Since the decision, more than 125 communities, including Toronto and Ottawa, have begun considering passing pesticide restriction by-laws.


Justin Duncan, Staff Lawyer, Toronto

Photo by jeka84 via Shutterstock

Feb 2015
A bumblebee sits on a pink flower.

Concerned about pesticide use? We are too.

We know you are concerned about Canada’s continued harmful pesticide use and the threat they pose to our health and environment.
Jan 2010
press release

Canada’s top court rejects final pesticide industry challenge

The Supreme Court of Canada announced that it has rejected the pesticide industry's last gasp effort to challenge the City of Toronto's pesticide by-law.