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What's new // contaminants

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  • Map of the Semá:th X̱ó:tsa (Sumas Lake) region of BC showing the historic Sumas Lake and freshet, 2021 floodwaters, and water sampling sites.
    Map science

    Mapping the Semá:th X̱ó:tsa (Sumas Lake) region following the BC floods of 2021

    2023 November 152026 April 30

    Our new map shows water quality sampling sites and the re-emergence of Sumas Lake after the 2021 floods.

    Read More Mapping the Semá:th X̱ó:tsa (Sumas Lake) region following the BC floods of 2021Continue

  • Sam scott with a backpack by the ocean.
    Raincoast updates

    Meet Samantha Scott, Raincoast’s new Water Quality Coordinator

    2023 July 212025 December 15

    Sam has joined our Healthy Waters Program team as a Water Quality Coordinator. She assists Dr. Peter Ross in the implementation of community-based research into water quality in various watersheds around southern British Columbia.  Sam received her Bachelor of Science degree in Biology from Simon Fraser University. While studying at SFU she had the opportunity…

    Read More Meet Samantha Scott, Raincoast’s new Water Quality CoordinatorContinue

  • Person holding the report.
    In the media

    We need to understand the extent to which floods further degrade fish habitat

    2022 December 212024 July 8

    Our findings painted a bleak picture of the health of the waterways meandering through the remnants of Sumas Lake, drained nearly 100 years ago by the Barrowtown Pump Station.

    Read More We need to understand the extent to which floods further degrade fish habitatContinue

  • Aerial view of the Barrowtown pump station.
    Backgrounders

    A former lake re-emerges: A backgrounder

    2022 November 172024 July 8

    The catastrophic floods of late 2021 in southern British Columbia (Canada) and neighbouring Washington State (USA) destroyed homes, farms, and businesses, with excess water spilling debris, animal carcasses, and diesel fuel into historically productive fish habitat.

    Read More A former lake re-emerges: A backgrounderContinue

  • Peter Ross standing with his arms crossed with the ocean behind them.
    Conservation updates

    Meet Dr. Peter Ross, Director of Raincoast’s new Healthy Waters program

    2021 September 152024 July 8

    Dr. Peter Ross, an internationally recognized ocean pollution expert, joined the Raincoast team this summer, bringing a wealth of relevant experience and knowledge that we are excited to have.

    Read More Meet Dr. Peter Ross, Director of Raincoast’s new Healthy Waters programContinue

  • Killer whales surface in a small cluster on the coast of BC.
    Conservation updates | Events

    Dr. Peter S. Ross to lead a new water contaminants program

    2021 July 292024 July 8

    There is an urgent need for a more comprehensive approach to monitoring water pollution in British Columbia. For these reasons, and more, we are excited to announce that Dr. Ross is leading the new Healthy Waters Program at Raincoast. He will bring new focus, and new reach, to our efforts to safeguard salmon, whales, and people.

    Read More Dr. Peter S. Ross to lead a new water contaminants programContinue

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