Located in northeastern Ontario, the MRCA has a watershed area of over 11,000 square kilometers.


Are you planning development work near a watershed, river, stream, wetland, slope, or shoreline?
You may require a permit from the Conservation Authority.


The Mattagami Region Conservation Authority provides a variety of recreational opportunities throughout the City of Timmins through its system of Conservation Areas and Community Trails.

NEWS and Announcements

April 2

The Watershed Statistic Update for April 2, 2020 is now available. These updates are distributed every 2 weeks and highlight dam operations and storages as well as snow depth and water content in comparison to historical norms. Read more...

March 24

Our office is currently closed. Staff are working remotely during this time and monitoring emails. There will be limited trail maintenance until further notice. Flood forecasting and monitoring will continue without interruption. Read more about COVID-19 service disruptions

March 11

Ontario is taking action to protect people and property by strengthening the province’s preparedness for flooding because the safety of the public and the protection of our communities is our number one priority. Read more…

February 5

The Wintergreen Fund for Conservation offers a $1,500 scholarship to a student graduating from a local high school who has decided to further their education in one of the environmental, conservation or natural resources fields of study. Read more

Flood Status

Mattagami River
Normal Water Levels
Porcupine Lake
Normal Water Levels
Kamiskotia Lake
Normal Water Levels

Low Water Status

Normal Water Levels

Contact Us

The Mattagami Region Conservation Authority office is located at:

100 Lakeshore Road
Timmins, Ontario
P4N 8R5

Tel:  705-360-2660
Fax: 705-360-2692
Email: info@mattagamiregion.ca

Our office is open Monday to Friday from 8:00 a.m. to 4:00 p.m., closed between noon and 1:00 p.m.