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SQUAMISH – A Canadian National Railway (CN) train derailed on Aug. 5, 2005, spilling sodium hydroxide into the Cheakamus River. The spill killed approximately 90 per cent of the fish in the river at that time. Hardest hit were juvenile steelhead, rainbow trout and coho, followed by adult chinook and pink salmon. The food chain (algae, insects) in the river appears to have recovered quickly.
Following the spill, a Technical Committee consisting
of representatives from the Ministry of Environment (MOE), the Department of
Fisheries and Oceans (DFO), the Squamish First Nation, the District of Squamish
and CN was created to determine strategies and options for recovering all
affected species as fast as reasonably possible.
Steelhead
Under provincial steelhead policy, the Cheakamus is
designated a “wild” river to preserve the integrity and biodiversity of the
steelhead population. From the steelhead recovery options reviewed by the
Technical Committee, MOE is recommending proceeding with proven habitat
enhancement techniques to replenish the river’s steelhead population. This
recommendation will be referred back to the Technical Committee.
To address angling concerns, the Ministry of
Environment is proposing augmentations to the nearby Mamquam River and expanded
hatchery production in the Capilano and Stave rivers in the Lower Mainland.
Based on the lessons learned from other systems
heavily impacted by spills and natural disasters, MOE believes that habitat
enhancement will allow the river to fully recover within 15 years and does not
pose additional risk by introducing hatchery fish to the native stock.
Pink salmon
Unlike steelhead, pink salmon stocks have traditionally been moved around within a broad geographical area without compromising the integrity of the wild stock. As such, hatchery-raised pinks are currently being released into the Cheakamus as part of the recovery effort. The pinks are raised at a Chilliwack hatchery but are originally from the Cheakamus.
The Department of Fisheries and Oceans is also raising pink salmon in a net-pen at the mouth of the Squamish River for release into the watershed. These pinks are originally from the Indian River (Burrard Inlet).
Recent Public Meeting
The most recent public
meeting took place on Wednesday, Feb. 8 in Squamish to provide an update on the
spill recovery. Information shared included:
·
Clean-up of the spill site.
·
Findings of the initial fish impact assessment.
·
Assessment of water and impact on public health.
·
Recovery actions taken to date.
·
Ongoing assessment of the impact on fish and other
organisms in and around the river.
·
Creation of a stakeholder committee for public
participation.
Next
Steps
CN is
required to complete a draft recovery plan with advice from the Technical
Committee and present this to the public within the next two to three months.
CN is also responsible for other ongoing work, including a monitoring plan to
track recovery, and an ongoing impact assessment to determine spill impacts to
species that could not be assessed immediately following the spill.
CN is responsible for the total cost of the restoration efforts, which is expected to run in the millions of dollars.
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contact: |
Communications Director 250 387-9973 |
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