The Alberta Energy Regulator (AER) announced an administrative penalty of $50,000 on Imperial Oil after an investigation revealed environmental violations at the Kearl oil sands site.
The investigation revealed that a shallow subsurface pathway allowed on-lease industrial wastewater sources to bypass the existing deep groundwater seepage interception system, resulting in an off-lease release.
While immediate harm to wildlife has not been reported, the situation is still under investigation.
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Imperial Oil must now implement two key projects. The first project should enhance tailings seepage monitoring and implement a Quality Assurance Project to share best practices with other oil sands operators.
The plan must consider the design of existing and future tailings dams and ensure quality assurance and quality control processes are applied throughout the design, construction, and operation phases.
The second project should include a preliminary research roadmap outlining planned Indigenous community and stakeholder engagement for inputs, including traditional knowledge, to the formulation of the research objectives and methodology development.
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Imperial is also required to submit and implement a proposal for an Industrial Wastewater (Process-Affected Water and CST Porewater) Release Research Project to study the impacts of industrial wastewater release on the ecosystem.
It must include the impact on fish and aquatic ecosystems, soil, vegetation, wildlife, and public safety, with regular progress reports and a final report for public and industry education.
The AER has stressed the need for transparency and accountability, requiring that all project reports be conducted by qualified personnel and verified by independent third parties to ensure the credibility of the findings and promote industry-wide improvements.
The investigation into potential contraventions at the Kearl site is ongoing.