Upper Mattagami River Watershed Statistics

Watershed statistics reports include data retrieved from snow course readings and dam operations. The MRCA, Ontario Power Generation and the Ministry of Natural Resources and Forestry collect this information every 2 weeks from the onset of snow until the end of the spring melt. Reports are posted from March 1 onward each year. Please see below for the current year’s reports and updates. Past data can be requested from the MRCA.

Download a pdf of the Watershed Statistics by clicking on the following links. Links to the watershed updates are also found below.

May 3, 2024: Watershed Statistics    Watershed Update

April 16, 2024: Watershed Statistics     Watershed Update

April 4, 2024: Watershed Statistics          Watershed Update

March 19, 2024:  Watershed Statistics         Watershed Update

March 5, 2024:  Watershed Statistics         Watershed Update