"Imperial knew contamination was spreading to nearby properties but failed to notify the ministry or adjacent landowners" #saskpol https://thenarwhal.ca/imperial-oil-landowners-contamination/
Imperial Oil ‘repeatedly failed’ to tell landowners about contamination: Saskatchewan government

Contaminated sites can cause serious health risks and devalue property. Saskatchewan requires companies to notify those affected, but internal documents reveal instances where Imperial Oil flouted government rules

The Narwhal