Did you know Metro Vancouver’s largest wastewater treatment plant discharges micro plastics, and toxins directly into the Salish Sea?
Iona Island Wastewater Treatment Plant is our last line of defense against what goes down our drains, and what ends up in our oceans.
Unfortunately, the facility which was built in the 60's has long been outdated and now poses a serious threat to the Salish Sea.
So, Whats the Problem?
Iona is only equipped with the technology to remove large suspended solids from city and household drain outflows before being sent to the marine environment. It's called 'primary treatment', and is decades behind the times. This under-treatment leaves micro plastics and toxins to flow through the facility and into the Salish Sea.
To make matters worse, the plant is located right at the Fraser River Estuary, along the Salish Sea coastline - critical habitat for endangered Southern Resident Killer Whales, salmon, and one of North America's greatest migratory bird corridors.
A Rare Opportunity for Change
Metro Vancouver's Wastewater Committee is currently looking for feedback from the community before moving forward with renovations. You can weigh in by using our online tool below.
By 2030, the Federal government is mandating a minimum treatment level of secondary in a number of treatment plants across Canada. However, since that decision has been made, technologies and circumstances have changed drastically.
We now understand that endangered species are threatened by poor treatment, and that our coastline depends on the best possible option. In fact, Canada is one of the only countries in the world still pushing secondary as an option for new treatment plants.
We need to tell decision makers that it's time to Treat Our Salish Sea, and install an advanced treatment that does not threaten our marine environment with
micro plastics and toxins.
“The Fraser River estuary is an internationally significant natural treasure; one that includes more than 17,000 hectares of wetland supporting an immense diversity of life ranging from 1.4 million migratory birds to more than 2 billion juvenile salmon. It’s an area that deserves the highest level of protection possible...”
Mark Angelo - Founder, World Rivers Day
The Fraser Estuary, Salish Sea, and Iona Island are critical pieces of habitat for all Pacific salmon species, orcas, and migratory birds. These populations depend on a healthy Salish Sea, free of harmful chemicals, microplastics, and pharmaceuticals.
Recognized as a Ramsar 'wetland of international importance', the diversity and function of the Fraser River and Salish Sea must be considered in this opportunity for for a healthier British Columbia.
Pacific salmon are a keystone species of the northwest. The Fraser River historically being one of the greatest salmon rivers in the world.
IIWWTP sits on a manmade jetty, and relies on a series of structures that have impeded the ability for salmon to seek refuge before heading out to the open ocean - increasing predation, and decreasing survival rates.
Without the ability for the facility to remove chemicals, and microplastics, it's clear that these fish are also ingesting them.
"The Fraser estuary is one of the richest and most important ecosystems for migrant and wintering waterbirds in Canada.
This Important Bird and Biodiversity Area (IBA) supports globally or continentally significant populations of fifteen species, including American Wigeon, Northern Pintail, Mallard, Brant, Snow Goose, Trumpeter Swan, Western Sandpiper, Dunlin, and Great Blue Heron. In addition, the IBA supports nationally significant numbers of Barn Owl and Peregrine Falcon. The most numerous species found here is the Western Sandpiper - one-day, peak count estimates of at least 500,000 have historically occurred during spring migration, though more recent estimates range from 120,000-180,000, which is a substantial proportion of the global Western Sandpiper population. Iona Island itself is one British Columbia’s key birding hotspots as a total of 286 different bird species have been spotted on the island. The vast abundance and diversity of birds has led to the estuary receiving a number of international designations including a Western Hemisphere Shorebird Reserve Network site of Hemispheric Importance and a BirdLife International Important Bird and Biodiversity Area. "
James Casey, Fraser Estuary Specialist - Bird Studies Canada
When it comes to the 'best' treatment, what are out options?
STAGES OF WASTEWATER TREATMENT
*Biological Oxygen Demand, or BOD is the oxygen demand needed by microorganisms to digest the organic pollutants in the water. Higher BOD implies that there are more organic pollutants to digest (mg O2/litre of sample)
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