Flooding

2021 Flood Season

In the NWT, damaging floods can occur during the spring breakup period as a result of ice jams.

Spring breakup starts in April in the southern region of the Mackenzie River, and works its way northward, and is completed in about ten weeks. The following communities are considered flood risk areas:

  • Hay River
  • Fort Simpson
  • Fort Liard
  • Nahanni Butte
  • Tulita 
  • Fort Good Hope
  • Fort McPherson
  • Aklavik