About TRCA

It’s something we know inherently, something we never question. Nature and people are interconnected – the health of one directly impacting the health of the other. At Toronto and Region Conservation Authority (TRCA), we’ve made it our mission to ensure the health of both.

By committing ourselves to protecting, restoring and enhancing nature, we allow the natural world to bestow its many benefits on our bodies, our minds, our spirits and our communities.

adults and children take part in a TRCA Highland Creek planting event

Who We Are

With more than 60 years of experience, TRCA is one of 36 Conservation Authorities in Ontario. Working with municipalities and other partners to look after the watersheds of the Toronto region and its Lake Ontario waterfront, we help people understand, enjoy and look after the natural environment. Our vision is for The Living City®, where human settlement can flourish forever as part of nature’s beauty and diversity.


What We Do


map of the nine watersheds in TRCA jurisdiction
Map of the nine watersheds in TRCA’s jurisdiction

Our Guiding Principles

Collaboration: TRCA works with its many partners and seeks out new opportunities to carry out initiatives, knowing we are stronger together. To that end, we enthusiastically engage in partnerships with municipalities, organizations and individuals.

Evidence-Based Initiatives: The work of TRCA is directed by scientifically proven needs. Whether it’s a restoration project or environmental monitoring, we follow protocols defined and guided by research and evidence.

On-the-Ground Work: Whether it’s an aquatic habitat restoration project, water sampling in our nine watersheds or electrofishing on Lake Ontario, TRCA staff are the people knee-deep in their work. They’re on the ground or in the water carrying out the important work of conservation to protect and preserve our natural world.

TRCA staff monitor aquatic life in a local stream

Why It Matters

With the help of our partners, TRCA is creating a cleaner, greener and healthier place to live — for you today, and for your children tomorrow. Together, we aim to improve the health of the natural environment and create opportunities for a sustainable future. By doing so, we ensure we live in harmony with nature and are a healthier society as a whole.

aerial view of downtown Toronto looking south toward Lake Ontario