Feb 4, 2019 – We are updating our website. Please be patient as we move pages around, edit them, and add new pages.
The Ontario Headwaters Institute is a registered charity working to protect Ontario’s headwaters, natural heritage, and watersheds.
Read our core document about the value of headwaters – Protecting Ontario’s Headwaters.
Coming soon – information on our expanded mandate for watershed management.
Recent Posts to OHI Blog
The Ontario Headwaters Institute and our partners in the Credit Headwaters Alliance urge all those downstream of Erin or who care about sound watershed planning to sign the petition below to support a federal impact assessment of the proposed sewage treatment plant in...
We extend our appreciation to the Friends of the Greenbelt Foundation for funding to facilitate 12 webinars to help engage Ontarians in the provincial consultation to grow the size of the Greenbelt. Information on webinar dates, partners, registration, and how to...