In an environmental class action concerning historic nickel emissions from a refinery, the appellant challenged findings of nuisance, strict liability, and aggregate damages for alleged property value stigma following public concern about soil nickel levels.
The Court of Appeal held that a mere chemical alteration of soil, without detrimental effect on the land or its use, does not constitute actual, substantial, physical damage for private nuisance.
The court also held that Ontario law does not recognize strict liability based solely on allegedly extra-hazardous activity, and that the refinery operation was not a non-natural use within the Rylands v. Fletcher framework.
The claimants further failed to prove any compensable diminution in property values on a proper analysis of the valuation evidence.
The appeal was allowed and the action dismissed.