Another oil spill reported in Pointe-aux-Trembles, days after cleanup for last spill completed - Action News
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Montreal

Another oil spill reported in Pointe-aux-Trembles, days after cleanup for last spill completed

The root cause of theoil slick nearPointe-aux-Trembles is unknown, but authorities found the pipe that led the contaminantto the river.

Contaminant source is land-based, Environment Ministry says

Several boats docked
An oil slick appeared in the St. Lawrence River on Thursday, just a few days after a contaminant cleanup operation was carried out in the Pointe-aux-Trembles marina area. (Yannick Gadbois/Radio-Canada)

Authorities have detected a contaminant in the St. Lawrence River in Montreal's east end, less than two weeks after an oilspill in the same area.

The root cause of the oil spill nearPointe-aux-Trembles on July 25 is unknown, but authorities say they found the pipe that led the contaminantto the river.

The pollution comes days after theCanadian Coast Guard (CCG) finalized a cleanup operation on July 19 for a previous spillnear Du TricentenaireBoulevard.Some 19,000 litres of water and oil were recovered, according to the CCG.

A spokesperson for Quebec's Environment Ministry said that a sample taken on July 25 shows thelatest oil retrieved matches the profile ofthe motoroil spilled on July 11.

Given the contaminantis from a land source, a storm sewer, the Environment Ministry is now leading the investigation with support from the CCG, the ministry spokesperson confirmed Friday. Itnoted thatadditional samples are being takento confirm the contaminant passed through the storm sewer pipe.

"Research continues in collaboration with the City of Montreal to find the origin of the spill in the network," the statement reads.

Marina closed for cleanup

Thursday, the CGG, Urgence-Environnement Qubec and Quebec'sEnvironment and Public Safety ministries were deployed to the Pointe-aux-Trembles marina. The CCG said it hadsent adrone and a helicopter to assess the situation as well.

New mitigation measures are in effect to limit the spread of the contaminant, and recovery work is underway, according to the Environment Ministry.

"Themarina will limit access to its facilities to boat owners only. They will only be able to leave the marina when their boats have been cleaned," the Environment Ministry spokesperson said.

Thursday, the Coast Guard said thespill was coming from the river sewer located right next to the polluted area. The investigation is now focusing on how the oil slick ended up in the pipe.

A 2019 report by the Communaut mtropolitaine de Montral on vulnerabilities of the drinking water network in the event of oil spills mentionedtwo pipelines Valero Energy'sSaint-Laurent and Portland-Montreal which cross the river in the same sector.

Investigators have not connected the latest contamination with the two pipelines.

Reporting by Radio-Canada's Anne Marie Lecomte and Mlissa Franois, translated by Holly Cabrera