Promoting Watershed Security in Ontario:

ecological integrity, social wellbeing, and economic vitality

This is a massive Website. Please note that
Current Projects and Recent Key Documents can be found below,
while other efforts are posted under Publications.

Please bear with us. Recent errors pouched Key Documents, below, and Publications. We hope to have this fixed in February.

Recent Submissions

Feb 3, 2026:  Proposed Subdivision in Markdale – OHI to Grey and GreyHighlands on Z08.2025 February 3

Feb 2, 2026: Watershed Security in the Great Lakes FWF GLEN and OHI on GLWQA February 2 2026

Recent Newsletters

January 26 2026 Recent Updates and What’s Next

Christmas Thank-you’s:   OHI Newsletter of December 24, 2025

Seeking Support for OHI Submission on the Consolidation of Conservation Authorities:  OHI Newsletter of December 9, 2025

Launching Giving December:  OHI Newsletter of December 1, 2025

Key Documents

The Municipal Lens for Watershed Security Re-posted January 2026

OHI Watershed Security Poster Oct 2025

OHI Brochure, June 2025

Water is Life

Backgrounder on Watershed Security June 2024

DRAWING       Watershed Management in South Central Ontario 

DRAWING       Major Upland Headwaters of South Central Ontario 

REPORT         Climate Change and Watershed Management