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First Nation Seeks Transparency as Questions Loom over Sarnia, Ont., Pipeline Leak

Aamjiwnaang First Nation demands answers on spill size, cause, and remediation after hydrocarbon leaked into the St. Clair River near Suncor's refinery, cleanup ongoing.

  • Aamjiwnaang First Nation Band Council is appealing for answers after learning of a spill along Suncor's Sarnia refinery fence line on March 11, as reported March 19, 2026.
  • Aamjiwnaang says no cause or total volume has been reported, while Suncor's preliminary probe suggested a possible third-party source and Sun-Canadian began investigating after March 12.
  • Response crews deployed booms and vacuum equipment after the leak was discovered around 6 p.m. on March 11, and Sarnia Police Service was asked by Aamjiwnaang to help with traffic along River Road.
  • Ontario's environment ministry stated Suncor remains responsible for cleanup and no downstream effects were expected, but Nahmabin said the community feels kept in the dark and has received one phone call.
  • Aamjiwnaang is demanding trucks be diverted away from River Road and calls for stronger oversight, citing its permit policy and many unanswered questions about the spill, including cause and volume.
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18 Articles

The Toronto StarThe Toronto Star
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First Nation seeks transparency as questions loom over Sarnia, Ont., pipeline leak

The size of a Sarnia, Ont., pipeline leak remained unclear days after it was first reported, a nearby First Nation said as it issued a call for transparency.

·Toronto, Canada
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sarnianewstoday.ca broke the news in on Wednesday, March 18, 2026.
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