Increasing Flood Risks along the Ottawa River (Mattawa to the Montreal Region)

Press Release posted on 2023-05-01 by Ottawa River Regulating Committee

The Ottawa River Regulating Committee warns that levels and flows along the main stem of the Ottawa River are increasing in response to significant rainfall received over the last few days. Minor flood levels are occurring in multiple locations between Mattawa and the Montreal region. Major flood levels are expected to be exceeded in flood prone areas over the next few days. Areas of primary concern are identified and described in more detail in the press release. Water levels are currently expected to remain 45 cm to 1 meter below historical flood levels of 2019 on the main stem of the Ottawa River.

Additional bulletins will be published if flood risk is expected to increase.

Read the May 1, 2023 Press Release