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With a higher-than-average snowpack, overland flooding affecting several Alberta communities and the five-year anniversary of the 2013 Southern Alberta flood, river flooding is top-of-mind for Calgarians. It is the priority at the City of Calgary to monitor, manage and reduce flood risk, and to ensure citizens understand their risk and have the resources available to prepare.

River flooding impacts all Calgarians who live, work, commute or recreate in the city centre or along the Bow and Elbow Rivers. River flooding is most likely to occur between May 15 and July 15. We actively monitor river, weather and snow pack conditions to prepare for potential flooding. It is important to note that:

  • Heavy rainfall upstream of Calgary has the biggest influence on river flood risk. These events are challenging to forecast because we are so close to the mountains. We can sometimes see potential rain events 5 to 7 days ahead, but by the time we know how high river flows may be, we may have less than 24 hours to respond appropriately.
  • A high snowpack alone can cause high flows, but does not cause our rivers to flood. The snowpack in the mountains has been higher than average this year, however, lower spring temperatures in the mountains means the snow is melting slower than on the prairies, where snowmelt is causing flooding in other municipalities.
  • The City and Province continuously monitor for conditions that can develop into flood events.

Since 2013, together with the Province, has committed more than $150 million towards projects that will reduce our risk of river flood damage.

While we are working to reduce our risk of river flood damage, we cannot eliminate the risk of flooding entirely. Citizens have a critical role to play in preparing for river flooding. Please visit for more information, sign up for our e-newsletter and download our Flood Readiness Guide.


We invite you to attend one of these upcoming events to learn more:

Flood Preparedness Open House for Bow River Communities

Tuesday, May 15, 2018

Start time: 7:00 p.m.

Foothills Academy

745 37th Street N.W.


Councillor Farkas’s Flood Readiness Town Hall for Elbow River Communities

Thursday, May 17, 2018

Start time: 7:00 p.m.

Elbow Park Community Centre

800 34 Avenue S.W.


Photograph by Kevin Saff

Sean Chu

Sean Chu

Sean Chu arrived in Calgary from Taiwan in 1985 speaking not a word of English, and within 7 years he was a sworn officer with the Calgary Police Service. From that point on Sean worked with the Calgary Police Service as on Officer for 21 years in a number of roles until 2013.

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