AER's Failure to Regulate Toxic Leaks at Kearl Facility Sparks Lawsuit
The Alberta Energy Regulator (AER) has been criticized for its handling of environmental incidents in the province, particularly at Imperial Oil's Kearl facility. In June, Imperial Oil pleaded guilty to a toxic wastewater leak that dumped 5.3 million litres into the environment. The $120,000 penalty imposed by the AER was deemed insufficient by many, given Imperial Oil's net profits of $3.2 billion in 2025.
The Kearl facility has been plagued by environmental issues, with two toxic tailings spills occurring between May 2022 and February 2023. Downstream communities were unaware that their waterways had been contaminated, as the AER failed to inform them of the leaks. The Athabasca Chipewyan First Nation (ACFN) was particularly affected, with its members drinking and fishing in poisoned waters.
The AER's inaction has been criticized for undermining treaty rights and putting Indigenous communities at risk. The organization exists to ensure public safety and environmental stewardship, but it appears to have failed in this regard. Imperial Oil's actions were allowed to go unpunished, with the company paying a minimal fine that barely registers as a slap on the wrist.
ACFN is now pursuing a lawsuit against the AER, seeking to hold the organization accountable for its systemic failures and demanding the return of millions in royalties earned while Indigenous communities suffered.