
HCA Contact Information
Phone: 905-525-2181
Email: nature@conservationhamilton.ca
The Hamilton Conservation Authority (HCA) is advising that strong shore-bound waves are currently forecasted for Saturday (April 25). There is potential for significant localized flooding and erosion along the Lake Ontario shoreline, due to the storm surge and wave action....
The Hamilton Conservation Authority (HCA) is advising that water levels and flows in all watercourses within the HCA watershed are expected to increase significantly, as a result of the rain and potential thunderstorms forecasted for today and tomorrow (April 24...
The Hamilton Conservation Authority (HCA) is advising that the Watershed Conditions Statement (Flood Outlook) – Lake Ontario Storm Surge message issued on October 27, 2025 has now been cancelled. There are no active messages at this time. For further information...

Phone: 905-525-2181
Email: nature@conservationhamilton.ca