Water levels and flows have been gradually increasing along the main stem of the Ottawa River due to recent rainfall combined with snowmelt in the central portions of the Ottawa River Basin. Levels and flows are expected to continue to increase over the weekend.
From Arnprior to Britannia, minor flood levels are expected to be reached in flood-prone areas today, with the potential for major flood levels to be exceeded in some locations over the weekend.
Downstream of Britannia to Hawkesbury, minor flood levels will likely be exceeded over the weekend in flood prone areas, with the potential for major flood levels to be exceeded in some locations starting Monday.
The minor flood level is defined as the level at which parts of some streets, lawns and parks are beginning to flood, with no or few houses/buildings being affected.
The major flood level is defined as the level at which one or several streets are beginning to flood, with several houses/buildings or neighbourhoods being affected.