Contact Us


The MRCA office is closed until further notice.
Staff are working remotely during this time and are monitoring emails. There is no voicemail access. For general inquiries, or if you are unsure which person to contact, please email
We are committed to providing the best possible service and will work with you through email to ensure your questions are answered. 

For additional information about current service disruptions, please see our COVID-19 updates page.

The Mattagami Region Conservation Authority office is located at:
100 Lakeshore Road
Timmins, Ontario
P4N 8R5

Fax: 705-360-2692

To contact MRCA staff, please call 705-360-2660.

David Vallier—General Manager (ext. 7482) email
Crystal Percival—DWSP Lead/Planner (ext. 7417) email
Kevin Gagnon—Field Supervisor (ext. 7464) email
James Lefebvre—Regulations Officer (ext. 7465) email
Jennifer Bonsall—Executive Assistant (ext. 7456) email

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