01-40_WC_149_JUL-AUG26_PT - Flipbook - Page 38
H2OPINION
Coordinating
Clean Water
C
ANADA IS OFTEN DESCRIBED as a water-rich
nation because it holds nearly 20 per cent of the
world’s freshwater reserves and approximately seven
per cent of its renewable water supply. Yet, beneath
this illusion of water abundance lies a growing water
quality crisis. Between 2022 and 2024, 23 per cent of monitored water sites were rated “marginal” or “poor,” the highest
in 10 years.
One of the main drivers of this decline is agricultural
runoff. Excess fertilizers and pesticides washed from farmland release phosphorus and nitrogen into rivers, lakes, and
groundwater, fueling toxic algal blooms in water bodies such
as Lakes Erie and Winnipeg. These blooms threaten drinking water supplies, aquatic ecosystems, fisheries, tourism,
and the Canadian economy at large. A 2019 study estimated
that unchecked algal blooms in the Canadian Lake Erie
basin could cost the economy $272 million over 30 years.
In response to this looming crisis, Canada has invested
heavily in initiatives aimed at reducing agricultural impacts
on water quality. Federal initiatives such as the Great Lakes
Freshwater Ecosystem Initiative under the Canadian Water
Agency (CWA), federal-provincial partnerships like the
Canada-Ontario Lake Erie Action Plan (LEAP), and provincially delivered programs such as the Lake Erie Agriculture
Demonstrating Sustainability (LEADS), all aim to reduce
agricultural runoff by promoting the adoption of Best Management Practices (BMP) such as cover cropping, riparian
buffer strips, and improved nutrient management.
Yet despite substantial public investment and increasing
BMP adoption, monitoring data of phosphorus pollution in
watersheds like Lake Erie has shown little long-term decline.
The answer to this puzzle lies not in the BMPs themselves
but in how they are implemented.
Canada continues to treat BMP adoption largely as an individual farm-level decision, relying on voluntary participation
and financial incentives. But agricultural runoff is fundamentally a landscape-scale problem, not a farm-scale one.
Fridah Silas is a PhD Candidate, Social and Ecological
Sustainability (Water), with the School of Environment,
Resources and Sustainability, at the University of Waterloo.
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Many BMPs become truly effective when implemented
collectively across entire watersheds. For instance, a riparian
buffer offers limited protection if upstream runoff continues
unchecked. Similarly, nutrient management by one farm can be
offset by poor practices elsewhere in the watershed. This creates
a classic collective action problem: water quality outcomes
depend not on isolated individual efforts, but on coordinated
action across interconnected landscapes.
Policies that are primarily focused on individual BMP
adoption often produce fragmented implementation that limit
watershed-scale improvements despite substantial public investment. At the same time, climate change is making the challenge
even more urgent, as warmer temperatures create conditions
that favor harmful algal blooms. In this context, incremental
and disconnected strategies are unlikely to keep pace.
The solution is not necessarily stricter regulation or mandatory BMP adoption. Evidence from past environmental policies
suggests that coercive approaches alone rarely create lasting
environmental performance or social buy-in. Instead, Canada
needs to rethink how it administers BMPs for water quality
improvement. This requires the next generation of agricultural
water policies to focus less on asking, “How do we encourage
individual farmers to adopt BMPs?” and more on, “What would
encourage neighboring farmers to adopt BMPs together?” This
shift matters because it recognizes farmers as stewards whose
decisions are shaped by economics, trust, social relationships,
and local knowledge and creates opportunities to realize greater
water quality gains.
Canada has already taken important steps toward coordinated governance across agencies responsible for managing
our freshwater systems. But if we are serious about reducing
agricultural water pollution and protecting the future of our
freshwaters, coordination must become a central organizing
principle of how BMPs are administered, especially in agricultural intensive watersheds.
This requires governance systems that are capable of
coordinating and incentivizing collective action across the
landscape itself.
WATERCANADA.NE T
Getty Images
Why Canada must move beyond
individual farm BMPs BY FRIDAH SILAS
