Flooding can strike any Calgary community in any season, often with little or no warning. The impact can be minor, or it can be devasting. In June 2005, city-wide heavy rains caused flood damange to about 40,000 Calgary homes. More than 1,500 Calgarians were evacuated in a state of local emergency.
Preparing for floods in Calgary
Learn more about how you can plan for flooding, and prepare the inside and the outside of your home at flood preparation.
We also invite you to learn more about steps you can take during a flood and what to do after a flood.
When does flooding occur in Calgary?
Flooding normally occurs in Calgary from the middle of May to mid-July.
Why does flooding occur?
As snow melts in the Rocky Mountains and combines with heavy rainfall, people in low-lying areas (or flood plains) may be impacted by flooding. These areas include communities near the Bow and Elbow rivers.
How can I be impacted by flooding?
There are a variety of ways that flooding can impact your community.
- Basement seepage
- Sewage backup
- Stromwater backup
- Overland flooding
Learn more about potential flood risks in your home and community.
Other flood preparation resources