Working to Protect Ontario’s Watersheds, their Natural Heritage, and our Receiving Waters Home About About the OHI Contact Portfolios Research Education OHMapping Headwater Hikes Video Vignettes Civic Engagement Projects Watershed Management WaterScape What can I do? Headwater Alliances Emerging Projects Blog & Events Newsletter Submissions, PPTs, etc Subscribe Support Watershed Management Click to see the 3-page OHI Backgrounder on Watershed Management Jan 2021